main external API structure. More...
#include <avcodec.h>
Data Fields | |
const AVClass * | av_class |
information on struct for av_log
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int | bit_rate |
the average bitrate
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int | bit_rate_tolerance |
number of bits the bitstream is allowed to diverge from the reference. | |
int | flags |
CODEC_FLAG_*. | |
int | sub_id |
Some codecs need additional format info. | |
int | me_method |
Motion estimation algorithm used for video coding. | |
uint8_t * | extradata |
some codecs need / can use extradata like Huffman tables. | |
int | extradata_size |
AVRational | time_base |
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented. | |
int | width |
picture width / height. | |
int | height |
int | gop_size |
the number of pictures in a group of pictures, or 0 for intra_only
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enum PixelFormat | pix_fmt |
Pixel format, see PIX_FMT_xxx. | |
int | rate_emu |
Frame rate emulation. | |
void(* | draw_horiz_band )(struct AVCodecContext *s, const AVFrame *src, int offset[4], int y, int type, int height) |
If non NULL, 'draw_horiz_band' is called by the libavcodec decoder to draw a horizontal band. | |
int | sample_rate |
samples per second | |
int | channels |
number of audio channels | |
enum SampleFormat | sample_fmt |
audio sample format
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int | frame_size |
Samples per packet, initialized when calling 'init'. | |
int | frame_number |
audio or video frame number | |
int | real_pict_num |
Returns the real picture number of previous encoded frame. | |
int | delay |
Number of frames the decoded output will be delayed relative to the encoded input. | |
float | qcompress |
amount of qscale change between easy & hard scenes (0.0-1.0) | |
float | qblur |
amount of qscale smoothing over time (0.0-1.0) | |
int | qmin |
minimum quantizer
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int | qmax |
maximum quantizer
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int | max_qdiff |
maximum quantizer difference between frames
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int | max_b_frames |
maximum number of B-frames between non-B-frames Note: The output will be delayed by max_b_frames+1 relative to the input. | |
float | b_quant_factor |
qscale factor between IP and B-frames If > 0 then the last P-frame quantizer will be used (q= lastp_q*factor+offset). | |
int | rc_strategy |
obsolete FIXME remove | |
int | b_frame_strategy |
int | hurry_up |
hurry up amount
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struct AVCodec * | codec |
void * | priv_data |
int | rtp_payload_size |
void(* | rtp_callback )(struct AVCodecContext *avctx, void *data, int size, int mb_nb) |
int | mv_bits |
int | header_bits |
int | i_tex_bits |
int | p_tex_bits |
int | i_count |
int | p_count |
int | skip_count |
int | misc_bits |
int | frame_bits |
number of bits used for the previously encoded frame
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void * | opaque |
Private data of the user, can be used to carry app specific stuff. | |
char | codec_name [32] |
enum CodecType | codec_type |
enum CodecID | codec_id |
unsigned int | codec_tag |
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A'). | |
int | workaround_bugs |
Work around bugs in encoders which sometimes cannot be detected automatically. | |
int | luma_elim_threshold |
luma single coefficient elimination threshold
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int | chroma_elim_threshold |
chroma single coeff elimination threshold
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int | strict_std_compliance |
strictly follow the standard (MPEG4, . | |
float | b_quant_offset |
qscale offset between IP and B-frames
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int | error_recognition |
Error recognization; higher values will detect more errors but may misdetect some more or less valid parts as errors. | |
int(* | get_buffer )(struct AVCodecContext *c, AVFrame *pic) |
Called at the beginning of each frame to get a buffer for it. | |
void(* | release_buffer )(struct AVCodecContext *c, AVFrame *pic) |
Called to release buffers which were allocated with get_buffer. | |
int | has_b_frames |
Size of the frame reordering buffer in the decoder. | |
int | block_align |
number of bytes per packet if constant and known or 0 Used by some WAV based audio codecs. | |
int | parse_only |
int | mpeg_quant |
0-> h263 quant 1-> mpeg quant
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char * | stats_out |
pass1 encoding statistics output buffer
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char * | stats_in |
pass2 encoding statistics input buffer Concatenated stuff from stats_out of pass1 should be placed here. | |
float | rc_qsquish |
ratecontrol qmin qmax limiting method 0-> clipping, 1-> use a nice continous function to limit qscale wthin qmin/qmax. | |
float | rc_qmod_amp |
int | rc_qmod_freq |
RcOverride * | rc_override |
ratecontrol override, see RcOverride
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int | rc_override_count |
const char * | rc_eq |
rate control equation
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int | rc_max_rate |
maximum bitrate
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int | rc_min_rate |
minimum bitrate
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int | rc_buffer_size |
decoder bitstream buffer size
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float | rc_buffer_aggressivity |
float | i_quant_factor |
qscale factor between P and I-frames If > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset). | |
float | i_quant_offset |
qscale offset between P and I-frames
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float | rc_initial_cplx |
initial complexity for pass1 ratecontrol
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int | dct_algo |
DCT algorithm, see FF_DCT_* below
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float | lumi_masking |
luminance masking (0-> disabled)
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float | temporal_cplx_masking |
temporary complexity masking (0-> disabled)
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float | spatial_cplx_masking |
spatial complexity masking (0-> disabled)
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float | p_masking |
p block masking (0-> disabled)
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float | dark_masking |
darkness masking (0-> disabled)
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int | idct_algo |
IDCT algorithm, see FF_IDCT_* below. | |
int | slice_count |
slice count
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int * | slice_offset |
slice offsets in the frame in bytes
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int | error_concealment |
error concealment flags
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unsigned | dsp_mask |
dsp_mask could be add used to disable unwanted CPU features CPU features (i.e. | |
int | bits_per_coded_sample |
bits per sample/pixel from the demuxer (needed for huffyuv). | |
int | prediction_method |
prediction method (needed for huffyuv)
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AVRational | sample_aspect_ratio |
sample aspect ratio (0 if unknown) That is the width of a pixel divided by the height of the pixel. | |
AVFrame * | coded_frame |
the picture in the bitstream
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int | debug |
debug
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int | debug_mv |
debug
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uint64_t | error [4] |
error
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int | mb_qmin |
minimum MB quantizer
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int | mb_qmax |
maximum MB quantizer
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int | me_cmp |
motion estimation comparison function
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int | me_sub_cmp |
subpixel motion estimation comparison function
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int | mb_cmp |
macroblock comparison function (not supported yet)
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int | ildct_cmp |
interlaced DCT comparison function
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int | dia_size |
ME diamond size & shape
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int | last_predictor_count |
amount of previous MV predictors (2a+1 x 2a+1 square)
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int | pre_me |
prepass for motion estimation
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int | me_pre_cmp |
motion estimation prepass comparison function
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int | pre_dia_size |
ME prepass diamond size & shape
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int | me_subpel_quality |
subpel ME quality
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enum PixelFormat(* | get_format )(struct AVCodecContext *s, const enum PixelFormat *fmt) |
callback to negotiate the pixelFormat | |
int | dtg_active_format |
DTG active format information (additional aspect ratio information only used in DVB MPEG-2 transport streams) 0 if not set. | |
int | me_range |
maximum motion estimation search range in subpel units If 0 then no limit. | |
int | intra_quant_bias |
intra quantizer bias
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int | inter_quant_bias |
inter quantizer bias
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int | color_table_id |
color table ID
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int | internal_buffer_count |
internal_buffer count Don't touch, used by libavcodec default_get_buffer(). | |
void * | internal_buffer |
internal_buffers Don't touch, used by libavcodec default_get_buffer(). | |
int | global_quality |
Global quality for codecs which cannot change it per frame. | |
int | coder_type |
coder type
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int | context_model |
context model
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int | slice_flags |
slice flags
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int | xvmc_acceleration |
XVideo Motion Acceleration
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int | mb_decision |
macroblock decision mode
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uint16_t * | intra_matrix |
custom intra quantization matrix
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uint16_t * | inter_matrix |
custom inter quantization matrix
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unsigned int | stream_codec_tag |
fourcc from the AVI stream header (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A'). | |
int | scenechange_threshold |
scene change detection threshold 0 is default, larger means fewer detected scene changes. | |
int | lmin |
minimum Lagrange multipler
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int | lmax |
maximum Lagrange multipler
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struct AVPaletteControl * | palctrl |
palette control structure
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int | noise_reduction |
noise reduction strength
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int(* | reget_buffer )(struct AVCodecContext *c, AVFrame *pic) |
Called at the beginning of a frame to get cr buffer for it. | |
int | rc_initial_buffer_occupancy |
Number of bits which should be loaded into the rc buffer before decoding starts. | |
int | inter_threshold |
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int | flags2 |
CODEC_FLAG2_*
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int | error_rate |
Simulates errors in the bitstream to test error concealment. | |
int | antialias_algo |
MP3 antialias algorithm, see FF_AA_* below. | |
int | quantizer_noise_shaping |
quantizer noise shaping
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int | thread_count |
thread count is used to decide how many independent tasks should be passed to execute()
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int(* | execute )(struct AVCodecContext *c, int(*func)(struct AVCodecContext *c2, void *arg), void *arg2, int *ret, int count, int size) |
The codec may call this to execute several independent things. | |
void * | thread_opaque |
thread opaque Can be used by execute() to store some per AVCodecContext stuff. | |
int | me_threshold |
Motion estimation threshold below which no motion estimation is performed, but instead the user specified motion vectors are used. | |
int | mb_threshold |
Macroblock threshold below which the user specified macroblock types will be used. | |
int | intra_dc_precision |
precision of the intra DC coefficient - 8
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int | nsse_weight |
noise vs. | |
int | skip_top |
Number of macroblock rows at the top which are skipped. | |
int | skip_bottom |
Number of macroblock rows at the bottom which are skipped. | |
int | profile |
profile
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int | level |
level
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int | lowres |
low resolution decoding, 1-> 1/2 size, 2->1/4 size
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int | coded_width |
Bitstream width / height, may be different from width/height if lowres or other things are used. | |
int | coded_height |
int | frame_skip_threshold |
frame skip threshold
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int | frame_skip_factor |
frame skip factor
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int | frame_skip_exp |
frame skip exponent
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int | frame_skip_cmp |
frame skip comparison function
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float | border_masking |
Border processing masking, raises the quantizer for mbs on the borders of the picture. | |
int | mb_lmin |
minimum MB lagrange multipler
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int | mb_lmax |
maximum MB lagrange multipler
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int | me_penalty_compensation |
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enum AVDiscard | skip_loop_filter |
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enum AVDiscard | skip_idct |
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enum AVDiscard | skip_frame |
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int | bidir_refine |
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int | brd_scale |
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float | crf |
constant rate factor - quality-based VBR - values ~correspond to qps
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int | cqp |
constant quantization parameter rate control method
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int | keyint_min |
minimum GOP size
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int | refs |
number of reference frames
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int | chromaoffset |
chroma qp offset from luma
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int | bframebias |
Influences how often B-frames are used. | |
int | trellis |
trellis RD quantization
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float | complexityblur |
Reduce fluctuations in qp (before curve compression). | |
int | deblockalpha |
in-loop deblocking filter alphac0 parameter alpha is in the range -6...6
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int | deblockbeta |
in-loop deblocking filter beta parameter beta is in the range -6...6
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int | partitions |
macroblock subpartition sizes to consider - p8x8, p4x4, b8x8, i8x8, i4x4
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int | directpred |
direct MV prediction mode - 0 (none), 1 (spatial), 2 (temporal), 3 (auto)
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int | cutoff |
Audio cutoff bandwidth (0 means "automatic")
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int | scenechange_factor |
Multiplied by qscale for each frame and added to scene_change_score. | |
int | mv0_threshold |
Note: Value depends upon the compare function used for fullpel ME. | |
int | b_sensitivity |
Adjusts sensitivity of b_frame_strategy 1. | |
int | compression_level |
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int | use_lpc |
Sets whether to use LPC mode - used by FLAC encoder. | |
int | lpc_coeff_precision |
LPC coefficient precision - used by FLAC encoder
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int | min_prediction_order |
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int | max_prediction_order |
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int | prediction_order_method |
search method for selecting prediction order
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int | min_partition_order |
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int | max_partition_order |
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int64_t | timecode_frame_start |
GOP timecode frame start number, in non drop frame format
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int | request_channels |
Decoder should decode to this many channels if it can (0 for default)
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float | drc_scale |
Percentage of dynamic range compression to be applied by the decoder. | |
int64_t | reordered_opaque |
opaque 64bit number (generally a PTS) that will be reordered and output in AVFrame.reordered_opaque
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int | bits_per_raw_sample |
Bits per sample/pixel of internal libavcodec pixel/sample format. | |
int64_t | channel_layout |
Audio channel layout. | |
int64_t | request_channel_layout |
Request decoder to use this channel layout if it can (0 for default)
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float | rc_max_available_vbv_use |
Ratecontrol attempt to use, at maximum, of what can be used without an underflow. | |
float | rc_min_vbv_overflow_use |
Ratecontrol attempt to use, at least, times the amount needed to prevent a vbv overflow. | |
struct AVHWAccel * | hwaccel |
Hardware accelerator in use
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int | ticks_per_frame |
For some codecs, the time base is closer to the field rate than the frame rate. | |
int | weighted_p_pred |
explicit P-frame weighted prediction analysis method 0: off 1: fast blind weighting (one reference duplicate with -1 offset) 2: smart weighting (full fade detection analysis)
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main external API structure.
New fields can be added to the end with minor version bumps. Removal, reordering and changes to existing fields require a major version bump. sizeof(AVCodecContext) must not be used outside libav*.
Definition at line 855 of file avcodec.h.
MP3 antialias algorithm, see FF_AA_* below.
Definition at line 1870 of file avcodec.h.
Referenced by decode_init().
const AVClass* AVCodecContext::av_class |
information on struct for av_log
Definition at line 860 of file avcodec.h.
Referenced by avcodec_get_context_defaults2(), and parse_ffconfig().
Definition at line 1056 of file avcodec.h.
Referenced by MPV_encode_init(), select_input_picture(), and X264_init().
qscale factor between IP and B-frames If > 0 then the last P-frame quantizer will be used (q= lastp_q*factor+offset).
If < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset).
Definition at line 1050 of file avcodec.h.
Referenced by add_codec(), ff_xvid_encode_init(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), get_diff_limited_q(), get_qminmax(), get_qscale(), and X264_init().
qscale offset between IP and B-frames
Definition at line 1190 of file avcodec.h.
Referenced by add_codec(), ff_xvid_encode_init(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), get_diff_limited_q(), get_qminmax(), and get_qscale().
Adjusts sensitivity of b_frame_strategy 1.
Definition at line 2198 of file avcodec.h.
Referenced by select_input_picture().
Influences how often B-frames are used.
Definition at line 2120 of file avcodec.h.
Referenced by X264_init().
Definition at line 2071 of file avcodec.h.
Referenced by bidir_refine().
the average bitrate
Definition at line 866 of file avcodec.h.
Referenced by ac3_decode_frame(), AC3_encode_init(), add_audio_stream(), add_av_stream(), add_codec(), add_video_stream(), adx_decode_header(), amf_parse_object(), apc_read_header(), asf_read_header(), asf_write_header1(), atrac3_decode_init(), audio_encode_example(), av_encode(), av_estimate_timings_from_bit_rate(), av_new_stream(), avcodec_string(), avi_write_header(), avisynth_read_header(), bfi_read_header(), cin_read_header(), compute_bandwidth(), compute_status(), cook_decode_init(), daud_header(), dc1394_read_common(), dca_decode_frame(), decode_frame(), decode_wave_header(), dv_extract_audio_info(), dv_extract_video_info(), dv_init_demux(), dv_offset_reset(), dv_produce_packet(), ea_read_header(), encode_init(), Faac_encode_init(), ff_aac_ac3_parse(), ff_dnxhd_find_cid(), ff_parse_specific_params(), ff_wma_init(), ff_xvid_encode_init(), ff_xvid_rate_control_init(), ffm_read_header(), ffm_write_header(), film_read_header(), find_stream_in_feed(), flv_write_header(), fourxm_read_header(), g726_init(), get_aiff_header(), get_audio_frame_size(), get_sindex(), grab_read_header(), gxf_write_header(), gxf_write_mpeg_auxiliary(), idcin_read_header(), iff_read_header(), ipmovie_read_header(), iss_read_header(), libdirac_encode_init(), libgsm_init(), libschroedinger_encode_init(), mlp_parse(), mmf_read_header(), modify_current_stream(), mov_write_esds_tag(), mov_write_uuidprof_tag(), MP3lame_encode_init(), MPA_encode_init(), mpeg_decode_postinit(), mpeg_mux_init(), mpegaudio_parse(), mpegps_read_packet(), mpegts_read_header(), mpegts_write_header(), mpegvideo_extract_headers(), MPV_encode_init(), mtv_read_header(), mxf_write_d10_video_packet(), mxf_write_header(), mxf_write_mpegvideo_desc(), oggvorbis_init_encoder(), ogm_dshow_header(), ogm_header(), oma_read_header(), parse_ffconfig(), qdm2_decode_init(), read_header(), real_parse_asm_rule(), rl2_read_header(), rm_read_header(), rm_write_header(), roq_read_header(), rv10_write_header(), seq_read_header(), v4l2_read_header(), vid_read_header(), vid_read_packet(), video_encode_example(), vmd_read_header(), voc_get_packet(), vorbis_header(), wc3_read_header(), wsaud_read_header(), wsvqa_read_header(), x11grab_read_header(), X264_init(), and xa_read_header().
number of bits the bitstream is allowed to diverge from the reference.
the reference can be CBR (for CBR pass1) or VBR (for pass2)
Definition at line 874 of file avcodec.h.
Referenced by add_codec(), ff_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), MPV_encode_init(), parse_ffconfig(), and X264_init().
bits per sample/pixel from the demuxer (needed for huffyuv).
Definition at line 1463 of file avcodec.h.
Referenced by alac_encode_init(), amf_parse_object(), apc_read_header(), ape_decode_init(), ape_read_header(), asf_read_header(), av_find_stream_info(), avi_read_header(), avisynth_read_header(), avs_read_packet(), bfi_read_header(), cin_read_header(), cinepak_decode_init(), create_audio_stream(), daud_header(), decode_init(), decode_wave_header(), ea_read_header(), encode_init(), faac_decode_init(), film_read_header(), flv_read_packet(), flv_set_audio_codec(), fourxm_read_header(), get_aiff_header(), get_audio_flags(), get_codec_data(), get_sindex(), idcin_read_header(), iff_read_header(), ipmovie_read_header(), iss_read_header(), mmf_read_header(), mov_read_stsd(), mov_write_video_tag(), mpc8_read_header(), mpc_read_header(), mpegps_read_packet(), msrle_decode_frame(), mtv_read_header(), mxf_get_d10_aes3_packet(), mxf_parse_structural_metadata(), nsv_parse_NSVs_header(), nuv_header(), pcm_decode_frame(), pcm_encode_init(), qtrle_decode_frame(), qtrle_decode_init(), qtrle_encode_init(), raw_decode(), raw_init_decoder(), read_header(), rl2_read_header(), roq_read_header(), rpl_read_header(), seq_read_header(), smacker_read_header(), tta_decode_init(), tta_read_header(), vfw_read_header(), vid_read_header(), vid_read_packet(), vmd_read_header(), vmdaudio_decode_init(), voc_get_packet(), voc_write_packet(), wc3_read_header(), wsaud_read_header(), wsvqa_read_header(), wv_read_header(), and xa_read_header().
Bits per sample/pixel of internal libavcodec pixel/sample format.
This field is applicable only when sample_fmt is SAMPLE_FMT_S32.
Definition at line 2291 of file avcodec.h.
Referenced by decode_frame(), ff_flac_parse_streaminfo(), mlp_parse(), and read_major_sync().
number of bytes per packet if constant and known or 0 Used by some WAV based audio codecs.
Definition at line 1235 of file avcodec.h.
Referenced by adpcm_decode_frame(), aiff_read_header(), aiff_read_packet(), apc_read_header(), asf_write_header1(), atrac3_decode_frame(), atrac3_decode_init(), av_encode(), av_write_header(), avi_read_header(), avi_write_packet(), avisynth_read_header(), cin_read_header(), cook_decode_frame(), cook_decode_init(), daud_header(), decode_wave_header(), dxa_read_header(), ea_read_header(), encode_init(), ff_parse_specific_params(), ff_rm_parse_packet(), ff_rm_retrieve_cache(), ff_wma_init(), film_read_header(), fourxm_read_header(), get_aiff_header(), get_sindex(), idcin_read_header(), iff_read_header(), ipmovie_read_header(), iss_read_header(), libgsm_decode_frame(), libgsm_encode_frame(), libgsm_init(), matroska_parse_block(), matroska_read_header(), mov_read_stsd(), mxf_write_d10_audio_packet(), mxf_write_wav_common(), oma_read_header(), oma_read_packet(), pcm_encode_init(), ra288_decode_frame(), rl2_read_header(), rm_read_audio_stream_info(), rm_read_packet(), roq_read_header(), seq_read_header(), str_read_packet(), tta_decode_init(), vmd_read_header(), vmdaudio_decode_init(), wav_read_packet(), wc3_read_header(), wsaud_read_header(), wsvqa_read_header(), and xa_read_header().
Border processing masking, raises the quantizer for mbs on the borders of the picture.
Definition at line 2022 of file avcodec.h.
Referenced by adaptive_quantization(), and MPV_encode_init().
Definition at line 2078 of file avcodec.h.
Referenced by estimate_best_b_count().
int64_t AVCodecContext::channel_layout |
Audio channel layout.
Definition at line 2298 of file avcodec.h.
Referenced by ape_decode_init(), av_encode(), avcodec_string(), cook_decode_init(), dca_decode_frame(), decode_init(), imc_decode_init(), mpc7_decode_init(), mpc8_decode_init(), new_audio_stream(), opt_input_file(), smka_decode_init(), and wavpack_decode_init().
number of audio channels
Definition at line 985 of file avcodec.h.
Referenced by aac_decode_frame(), aac_decode_init(), aac_encode_init(), ac3_decode_frame(), ac3_decode_init(), AC3_encode_init(), add_audio_stream(), add_av_stream(), add_codec(), adpcm_decode_frame(), adpcm_decode_init(), adx_decode_frame(), adx_decode_header(), adx_encode_frame(), adx_encode_header(), adx_encode_init(), alac_decode_init(), alac_encode_frame(), alac_encode_init(), amf_parse_object(), amr_decode_fix_avctx(), amr_read_header(), apc_read_header(), ape_decode_frame(), ape_decode_init(), ape_read_header(), apply_window_and_mdct(), atrac3_decode_init(), au_read_header(), audio_decode_frame(), audio_encode_example(), audio_read_header(), audio_write_header(), av_encode(), av_write_header(), avcodec_string(), avisynth_read_header(), bfi_read_header(), cdata_read_header(), channel_setup(), cin_read_header(), compute_status(), cook_decode_init(), create_audio_stream(), create_vorbis_context(), daud_header(), daud_write_header(), dca_decode_frame(), dca_decode_init(), decode_frame(), decode_stream_header(), decode_wave_header(), do_audio_out(), dpcm_decode_init(), dv_extract_audio_info(), dv_init_mux(), ea_read_header(), encode_init(), faac_decode_frame(), faac_decode_init(), Faac_encode_frame(), Faac_encode_init(), faac_init_mp4(), ff_aac_ac3_parse(), ff_audio_interleave_init(), ff_flac_parse_streaminfo(), ff_rtp_get_codec_info(), ff_rtp_get_payload_type(), ff_wma_init(), ffm_read_header(), ffm_write_header(), film_read_header(), flac_encode_init(), flv_read_packet(), flv_write_header(), fourxm_read_header(), g726_init(), get_aiff_header(), get_audio_clock(), get_audio_flags(), get_audio_frame_size(), get_codec_data(), get_sindex(), gxf_write_header(), has_codec_parameters(), idcin_read_header(), iff_read_header(), iff_read_packet(), imc_decode_init(), init_sample_buffers(), ipmovie_read_header(), iss_read_header(), iss_read_packet(), libgsm_init(), libspeex_decode_frame(), libspeex_decode_init(), mace_decode_frame(), mace_decode_init(), matroska_read_header(), mkv_write_tracks(), mlp_parse(), mm_read_header(), mmf_read_header(), mov_read_esds(), mov_read_stsd(), mov_write_audio_tag(), mov_write_header(), mov_write_uuidprof_tag(), mp3_header_compress(), mp3_header_decompress(), MP3lame_encode_init(), MPA_encode_init(), mpc7_decode_init(), mpc8_decode_init(), mpc8_read_header(), mpc_read_header(), mpeg_mux_init(), mpegaudio_parse(), mpegps_read_packet(), mxf_get_d10_aes3_packet(), mxf_parse_structural_metadata(), mxf_write_d10_audio_packet(), mxf_write_generic_sound_common(), new_audio_stream(), nsv_read_chunk(), nut_read_header(), oggvorbis_init_encoder(), ogm_dshow_header(), ogm_header(), oma_read_header(), open_audio(), opt_input_file(), output_configure(), output_packet(), parse_ffconfig(), pcm_decode_frame(), pcm_encode_init(), put_audio_specific_config(), qdm2_decode_init(), r3d_read_red1(), read_header(), read_restart_header(), rl2_read_header(), rm_read_audio_stream_info(), roq_dpcm_encode_frame(), roq_dpcm_encode_init(), roq_read_header(), rtp_write_packet(), rv10_write_header(), sdp_parse_rtpmap(), seq_read_header(), smacker_read_header(), smka_decode_init(), sol_read_header(), speex_header(), str_read_packet(), stream_component_open(), stream_cycle_channel(), swf_write_header(), synchronize_audio(), thp_read_header(), tta_decode_init(), tta_read_header(), update_sample_display(), vid_read_header(), vid_read_packet(), video_audio_display(), vmd_read_header(), vmdaudio_decode_init(), voc_get_packet(), voc_write_packet(), vorbis_decode_init(), vorbis_encode_init(), vorbis_header(), wavpack_decode_frame(), wavpack_decode_init(), wc3_read_header(), write_audio_frame(), write_compressed_frame(), write_frame_header(), write_streamheader(), wsaud_read_header(), wsvqa_read_header(), wv_read_header(), xa_read_header(), and xa_read_packet().
chroma single coeff elimination threshold
Definition at line 1164 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), MPV_encode_init(), and parse_ffconfig().
chroma qp offset from luma
Definition at line 2113 of file avcodec.h.
Referenced by X264_init().
struct AVCodec* AVCodecContext::codec |
Definition at line 1066 of file avcodec.h.
Referenced by adpcm_decode_frame(), adpcm_decode_init(), av_find_stream_info(), avcodec_close(), avcodec_decode_audio2(), avcodec_decode_subtitle(), avcodec_decode_video(), avcodec_encode_audio(), avcodec_encode_subtitle(), avcodec_encode_video(), avcodec_flush_buffers(), avcodec_open(), close_connection(), common_init(), compute_status(), context_to_name(), decode_chunks(), decode_frame(), decode_init(), decode_nal_units(), do_audio_out(), dpcm_decode_frame(), dpcm_decode_init(), eightsvx_decode_init(), encode_init(), execute_decode_slices(), ff_er_frame_end(), ff_h263_decode_init(), ff_wma_init(), g726_init(), h261_decode_init(), libgsm_init(), mjpeg_decode_scan(), mov_write_video_tag(), mpeg_decode_init(), mpeg_get_pixelformat(), MPV_encode_init(), MPV_frame_end(), open_parser(), output_packet(), pcm_decode_frame(), pcm_decode_init(), pcm_encode_frame(), pcm_encode_init(), svq1_decode_init(), try_decode_frame(), vc1_decode_frame(), vcr2_init_sequence(), vp56_add_predictors_dc(), vp56_decode_4mv(), vp6_decode_init(), wma_decode_init(), write_frame(), xan_decode_frame(), and xan_decode_init().
Definition at line 1112 of file avcodec.h.
Referenced by add_audio_stream(), add_av_stream(), add_video_stream(), amf_parse_object(), amr_decode_fix_avctx(), amr_read_header(), amr_read_packet(), apc_read_header(), ape_read_header(), asf_read_header(), asf_write_header1(), au_read_header(), audio_read_header(), audio_write_header(), av_encode(), av_find_stream_info(), av_read_frame_internal(), av_read_packet(), av_write_header(), avcodec_align_dimensions(), avcodec_default_get_buffer(), avcodec_open(), avcodec_string(), avi_read_header(), avi_write_trailer(), avisynth_read_header(), avs_read_packet(), bfi_read_header(), cdata_read_header(), cin_read_header(), compute_pkt_fields(), compute_status(), create_audio_stream(), daud_header(), dc1394_read_common(), decode_frame(), decode_init(), decode_mb(), decode_stream_header(), do_subtitle_out(), dv_extract_audio_info(), dv_init_demux(), dv_init_mux(), dxa_read_header(), ea_read_header(), encode_mb(), estimate_best_b_count(), extract_mpeg4_header(), ff_aac_ac3_parse(), ff_asf_parse_packet(), ff_audio_interleave_init(), ff_init_me(), ff_mjpeg_decode_frame(), ff_mjpeg_encode_picture_header(), ff_mpa_decode_header(), ff_pnm_decode_header(), ff_rm_parse_packet(), ff_rm_read_mdpr_codecdata(), ff_rm_retrieve_cache(), ff_rtp_get_codec_info(), ff_rtp_get_payload_type(), ff_rv34_decode_init(), ff_xvid_encode_init(), ffm_read_header(), ffm_write_header(), film_read_header(), find_expected_header(), find_stream_in_feed(), flac_header(), flac_read_header(), flic_read_header(), flv_read_packet(), flv_set_audio_codec(), flv_set_video_codec(), flv_write_header(), flv_write_packet(), fourxm_read_header(), get_aiff_header(), get_audio_flags(), get_audio_frame_size(), get_codec_data(), get_sindex(), get_watermark_picture(), grab_read_header(), gxf_packet(), gxf_write_header(), gxf_write_media_packet(), gxf_write_media_preamble(), gxf_write_track_description(), gxf_write_umf_media_description(), gxf_write_umf_media_mpeg(), gxf_write_umf_track_description(), has_codec_parameters(), idcin_read_header(), iff_read_header(), img_read_header(), img_read_packet(), imx_dump_header(), ipmovie_read_header(), is_intra_only(), iss_read_header(), libgsm_decode_frame(), libgsm_encode_frame(), libgsm_init(), lmlm4_read_header(), mace_decode_frame(), matroska_parse_block(), matroska_read_header(), mjpega_dump_header(), mkv_write_block(), mkv_write_codecprivate(), mkv_write_packet(), mkv_write_tracks(), mm_read_header(), mmf_read_header(), mov_find_codec_tag(), mov_read_enda(), mov_read_esds(), mov_read_hdlr(), mov_read_stsd(), mov_read_trak(), mov_read_wave(), mov_write_audio_tag(), mov_write_esds_tag(), mov_write_ftyp_tag(), mov_write_header(), mov_write_packet(), mov_write_uuidprof_tag(), mov_write_video_tag(), mov_write_wave_tag(), mp3_read_header(), mpc8_read_header(), mpc_read_header(), mpeg1_decode_sequence(), mpeg_decode_postinit(), mpeg_decode_sequence_extension(), mpeg_get_pixelformat(), mpeg_mux_init(), mpegps_read_packet(), mpegts_read_header(), mpegts_write_packet(), mpegts_write_pes(), mpegts_write_pmt(), mpegvideo_extract_headers(), MPV_encode_init(), msnwc_tcp_read_header(), mtv_read_header(), mxf_parse_structural_metadata(), mxf_write_d10_audio_packet(), mxf_write_generic_sound_common(), mxf_write_header(), mxf_write_packet(), nc_read_header(), new_audio_stream(), new_pes_av_stream(), new_subtitle_stream(), new_video_stream(), nsv_parse_NSVs_header(), nsv_read_chunk(), nut_read_header(), nuv_header(), ogg_write_header(), ogg_write_packet(), ogg_write_trailer(), ogm_dshow_header(), ogm_header(), old_flac_header(), oma_read_header(), open_audio(), open_parser(), open_video(), parse(), parse_ffconfig(), pcm_decode_frame(), put_xiph_codecpriv(), pva_read_header(), r3d_read_red1(), rdt_parse_packet(), rdt_parse_sdp_line(), read_header(), remove_extradata(), rl2_read_header(), rm_ac3_swap_bytes(), rm_read_audio_stream_info(), rm_read_packet(), roq_read_header(), rpl_read_header(), rtp_parse_open(), rtp_parse_packet(), rtp_write_packet(), rv10_decode_init(), rv10_write_header(), sdp_parse_fmtp_config(), sdp_parse_fmtp_config_h264(), sdp_parse_rtpmap(), seq_read_header(), set_codec_from_probe_data(), siff_parse_vbv1(), smacker_read_header(), sol_read_header(), sp5x_decode_frame(), speex_header(), str_read_packet(), stream_component_open(), swf_read_packet(), swf_write_header(), swf_write_video(), tb_unreliable(), theora_header(), thp_read_header(), try_decode_frame(), tta_read_header(), txd_read_header(), v4l2_read_header(), vc1_decode_frame(), vc1_decode_init(), vc1t_read_header(), vc1test_write_header(), vcr2_init_sequence(), vfw_read_header(), vid_read_header(), vmd_read_header(), voc_get_packet(), vorbis_header(), wav_read_seek(), wc3_read_header(), write_header(), wsaud_read_header(), wsvqa_read_header(), wv_read_header(), x11grab_read_header(), xa_read_header(), and yuv4_read_header().
char AVCodecContext::codec_name[32] |
Definition at line 1110 of file avcodec.h.
Referenced by asf_write_header1(), avcodec_string(), mov_read_stsd(), and rm_read_audio_stream_info().
unsigned int AVCodecContext::codec_tag |
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
This is used to work around some encoder bugs. A demuxer should set this to what is stored in the field used to identify the codec. If there are multiple such fields in a container then the demuxer should choose the one which maximizes the information about the used codec. If the codec tag field in a container is larger then 32 bits then the demuxer should remap the longer ID to 32 bits with a table or other structure. Alternatively a new extra_codec_tag + size could be added but for this a clear advantage must be demonstrated first.
Definition at line 1127 of file avcodec.h.
Referenced by amr_read_header(), ape_read_header(), asf_read_header(), asf_write_header1(), au_read_header(), av_encode(), av_find_stream_info(), av_write_header(), avcodec_string(), avi_read_header(), avi_write_header(), avisynth_read_header(), cdata_read_header(), cin_read_header(), daud_header(), decode_frame(), decode_init(), decode_stream_header(), dpcm_decode_frame(), dpcm_decode_init(), ea_read_header(), ff_rm_read_mdpr_codecdata(), ff_xvid_encode_init(), ffm_read_header(), ffm_write_header(), film_read_header(), flic_read_header(), flv_set_audio_codec(), flv_set_video_codec(), flv_write_header(), flv_write_packet(), fourxm_read_header(), get_aiff_header(), get_audio_flags(), get_codec_data(), idcin_read_header(), iff_read_header(), ipmovie_read_header(), matroska_read_header(), mkv_write_codecprivate(), mm_read_header(), mov_find_codec_tag(), mov_read_stsd(), mpeg_decode_frame(), MPV_common_init(), msnwc_tcp_read_header(), mtv_read_header(), new_audio_stream(), new_video_stream(), nsv_parse_NSVs_header(), nut_read_header(), ogm_header(), oma_read_header(), parse_ffconfig(), raw_decode(), raw_init_decoder(), raw_init_encoder(), rl2_read_header(), roq_read_header(), rpl_read_header(), rpl_read_packet(), seq_read_header(), siff_parse_vbv1(), smacker_read_header(), sol_read_header(), str_read_packet(), thp_read_header(), vmd_read_header(), voc_write_packet(), vp3_decode_init(), wc3_read_header(), write_streamheader(), wsaud_read_header(), and wsvqa_read_header().
Definition at line 1111 of file avcodec.h.
Referenced by add_audio_stream(), add_av_stream(), add_codec(), add_dstream(), add_video_stream(), amr_read_header(), apc_read_header(), ape_read_header(), asf_read_header(), asf_write_header1(), asf_write_packet(), au_read_header(), audio_read_header(), av_encode(), av_find_default_stream_index(), av_find_stream_info(), av_interleaved_write_frame(), av_read_packet(), av_write_header(), avcodec_get_context_defaults2(), avcodec_string(), avi_read_header(), avi_read_packet(), avi_write_counters(), avi_write_header(), avi_write_idx1(), avi_write_ix(), avi_write_packet(), avi_write_trailer(), avisynth_read_header(), avs_read_packet(), bfi_read_header(), build_feed_streams(), build_frame_code(), cdata_read_header(), check_audio_video_sub_inputs(), cin_read_header(), compute_bandwidth(), compute_frame_duration(), compute_pkt_fields2(), compute_status(), create_audio_stream(), create_stream(), daud_header(), dc1394_read_common(), decode_stream_header(), decode_thread(), do_video_stats(), dump_stream_format(), dv_assemble_frame(), dv_extract_audio_info(), dv_init_demux(), dv_init_mux(), dxa_read_header(), ea_read_header(), ff_asf_parse_packet(), ff_audio_interleave_close(), ff_audio_interleave_init(), ff_audio_rechunk_interleave(), ff_parse_specific_params(), ff_rm_parse_packet(), ff_rm_read_mdpr_codecdata(), ff_rtp_get_codec_info(), ffm_read_header(), ffm_write_header(), film_read_header(), flac_header(), flac_read_header(), flic_read_header(), flv_read_metabody(), flv_write_header(), flv_write_packet(), fourxm_read_header(), get_aiff_header(), get_sindex(), get_watermark_picture(), gif_write_header(), gif_write_packet(), grab_read_header(), gxf_write_header(), gxf_write_media_packet(), gxf_write_media_preamble(), has_codec_parameters(), http_prepare_data(), idcin_read_header(), iff_read_header(), img_read_header(), ipmovie_read_header(), is_intra_only(), iss_read_header(), lmlm4_read_header(), matroska_read_header(), mkv_write_codecprivate(), mkv_write_packet(), mkv_write_tracks(), mm_read_header(), mmf_read_header(), mov_build_index(), mov_find_codec_tag(), mov_read_hdlr(), mov_read_stsd(), mov_read_trak(), mov_read_trun(), mov_write_esds_tag(), mov_write_ftyp_tag(), mov_write_hdlr_tag(), mov_write_header(), mov_write_minf_tag(), mov_write_stbl_tag(), mov_write_stsd_tag(), mov_write_stts_tag(), mov_write_tkhd_tag(), mp3_read_header(), mpc8_read_header(), mpc_read_header(), mpeg_mux_init(), mpeg_mux_write_packet(), mpegps_read_packet(), mpegts_read_header(), mpegts_write_header(), mpegts_write_packet(), mpegts_write_pes(), mpegts_write_pmt(), msnwc_tcp_read_header(), mtv_read_header(), mxf_parse_structural_metadata(), mxf_write_common_fields(), mxf_write_header(), mxf_write_packet(), nc_read_header(), new_audio_stream(), new_pes_av_stream(), new_subtitle_stream(), new_video_stream(), nsv_parse_NSVs_header(), nut_read_header(), nuv_header(), ogg_write_header(), ogm_dshow_header(), ogm_header(), old_flac_header(), oma_read_header(), open_input_stream(), opt_input_file(), opt_target(), output_packet(), parse_ffconfig(), print_report(), pva_read_header(), r3d_read_red1(), read_ffserver_streams(), read_header(), read_packet(), rl2_read_header(), rm_read_audio_stream_info(), rm_read_dts(), rm_read_header(), rm_write_header(), rm_write_packet(), roq_read_header(), rpl_read_header(), rpl_read_packet(), rtp_parse_open(), rtp_write_header(), rv10_write_header(), sdp_parse_line(), sdp_parse_rtpmap(), seq_read_header(), set_codec_from_probe_data(), siff_parse_vbv1(), smacker_read_header(), sol_read_header(), speex_header(), str_read_packet(), stream_component_close(), stream_component_open(), stream_cycle_channel(), stream_index_from_inputs(), swf_read_packet(), swf_write_header(), swf_write_packet(), swf_write_trailer(), theora_header(), thp_read_header(), try_decode_frame(), tta_read_header(), txd_read_header(), v4l2_read_header(), vc1t_read_header(), vfw_read_header(), vid_read_header(), vmd_read_header(), voc_read_header(), voc_write_header(), vorbis_header(), wc3_read_header(), write_streamheader(), wsaud_read_header(), wsvqa_read_header(), wv_read_header(), x11grab_read_header(), xa_read_header(), and yuv4_read_header().
the picture in the bitstream
Definition at line 1489 of file avcodec.h.
Referenced by AC3_encode_close(), AC3_encode_init(), adx_encode_close(), adx_encode_init(), alac_encode_close(), alac_encode_init(), bmp_decode_init(), bmp_encode_init(), common_init(), decode_frame(), decode_init(), dnxhd_decode_init(), dnxhd_encode_init(), do_audio_out(), do_video_out(), do_video_stats(), dvvideo_init(), encode_init(), encode_init_ls(), Faac_encode_close(), Faac_encode_init(), ff_xvid_encode_init(), flac_encode_close(), flac_encode_init(), flashsv_encode_frame(), g726_close(), g726_init(), gif_decode_init(), gif_encode_init(), libdirac_encode_frame(), libdirac_encode_init(), libgsm_close(), libgsm_init(), libopenjpeg_decode_init(), libschroedinger_encode_frame(), libschroedinger_encode_init(), mdec_common_init(), MP3lame_encode_close(), MP3lame_encode_init(), MPA_encode_close(), MPA_encode_init(), MPV_common_init(), MPV_frame_end(), oggvorbis_encode_close(), oggvorbis_encode_frame(), oggvorbis_encode_init(), output_packet(), pcm_encode_close(), pcm_encode_init(), pcx_init(), png_dec_init(), png_enc_init(), print_report(), ptx_init(), qtrle_encode_init(), raw_decode(), raw_init_decoder(), raw_init_encoder(), roq_dpcm_encode_close(), roq_dpcm_encode_init(), roq_encode_video(), sgi_init(), sunrast_init(), svq1_encode_init(), targa_encode_init(), targa_init(), tiff_init(), txd_init(), ulti_decode_init(), v4l2_read_packet(), vorbis_encode_close(), vorbis_encode_frame(), vorbis_encode_init(), write_audio_frame(), write_video_frame(), X264_init(), and yuv4_read_packet().
Definition at line 1986 of file avcodec.h.
Referenced by avcodec_decode_video(), avcodec_open(), avcodec_set_dimensions(), decode_entry_point(), decode_sequence_header_adv(), ff_h263_decode_frame(), ff_h263_decode_init(), ff_mjpeg_decode_init(), h261_decode_frame(), h261_decode_init(), mdec_common_init(), mpeg_decode_postinit(), sp5x_decode_frame(), vc1_decode_init(), vc1_interp_mc(), vc1_mc_1mv(), vc1_mc_4mv_chroma(), vc1_mc_4mv_luma(), vcr2_init_sequence(), vp56_size_changed(), vp5_parse_header(), and vp6_parse_header().
Bitstream width / height, may be different from width/height if lowres or other things are used.
Definition at line 1986 of file avcodec.h.
Referenced by avcodec_decode_video(), avcodec_open(), avcodec_set_dimensions(), decode_entry_point(), decode_sequence_header_adv(), ff_h263_decode_frame(), ff_h263_decode_init(), h261_decode_frame(), h261_decode_init(), mdec_common_init(), mpeg_decode_postinit(), sp5x_decode_frame(), vc1_decode_init(), vc1_interp_mc(), vc1_mc_1mv(), vc1_mc_4mv_chroma(), vc1_mc_4mv_luma(), vcr2_init_sequence(), vp56_size_changed(), vp5_parse_header(), and vp6_parse_header().
coder type
Definition at line 1724 of file avcodec.h.
Referenced by libdirac_encode_init(), libschroedinger_encode_init(), read_header(), and X264_init().
color table ID
Tables have to be stored somewhere. FIXME
Definition at line 1686 of file avcodec.h.
Referenced by mov_read_stsd().
Reduce fluctuations in qp (before curve compression).
Definition at line 2134 of file avcodec.h.
Referenced by X264_init().
Definition at line 2204 of file avcodec.h.
Referenced by alac_encode_init(), encode_frame(), encode_init(), flac_encode_init(), and MP3lame_encode_init().
constant quantization parameter rate control method
Definition at line 2092 of file avcodec.h.
Referenced by X264_init().
float AVCodecContext::crf |
constant rate factor - quality-based VBR - values ~correspond to qps
Definition at line 2085 of file avcodec.h.
Referenced by X264_init().
Audio cutoff bandwidth (0 means "automatic")
Definition at line 2176 of file avcodec.h.
Referenced by AC3_encode_init(), Faac_encode_init(), and oggvorbis_init_encoder().
darkness masking (0-> disabled)
Definition at line 1381 of file avcodec.h.
Referenced by adaptive_quantization(), MPV_encode_init(), and parse_ffconfig().
DCT algorithm, see FF_DCT_* below
Definition at line 1339 of file avcodec.h.
Referenced by dsputil_init(), dsputil_init_ppc(), dsputilenc_init_mmx(), ffm_read_header(), ffm_write_header(), MPV_common_init_altivec(), MPV_common_init_mlib(), MPV_common_init_mmx(), and parse_ffconfig().
in-loop deblocking filter alphac0 parameter alpha is in the range -6...6
Definition at line 2142 of file avcodec.h.
Referenced by X264_init().
in-loop deblocking filter beta parameter beta is in the range -6...6
Definition at line 2150 of file avcodec.h.
Referenced by X264_init().
debug
Definition at line 1496 of file avcodec.h.
Referenced by alloc_picture(), avcodec_default_get_buffer(), avcodec_default_release_buffer(), decode_chunks(), decode_ext_header(), decode_frame(), decode_init(), decode_nal_units(), decode_slice_header(), decode_unregistered_user_data(), decode_vol_header(), decode_vop_header(), execute_ref_pic_marking(), ff_er_frame_end(), ff_h263_decode_frame(), ff_h264_decode_picture_parameter_set(), ff_h264_decode_seq_parameter_set(), ff_mjpeg_decode_frame(), ff_mjpeg_decode_sos(), ff_mpeg4_decode_picture_header(), ff_print_debug_info(), ff_rate_estimate_qscale(), ff_vbv_update(), ff_wmv2_decode_secondary_picture_header(), ffm_read_header(), ffm_write_header(), find_short(), flv_h263_decode_picture_header(), h263_decode_picture_header(), intel_h263_decode_picture_header(), libdirac_decode_init(), libdirac_encode_init(), libschroedinger_decode_init(), libschroedinger_encode_init(), mjpeg_decode_app(), mjpeg_decode_com(), mjpegb_decode_frame(), modify_qscale(), mpeg1_decode_picture(), mpeg1_decode_sequence(), mpeg_decode_gop(), mpeg_decode_picture_display_extension(), mpeg_decode_sequence_display_extension(), mpeg_decode_sequence_extension(), mpeg_decode_slice(), MPV_common_init(), MPV_decode_mb_internal(), msmpeg4_decode_picture_header(), opt_input_file(), parse_ffconfig(), predict_slice(), predict_slice_buffered(), print_long_term(), print_short_term(), remove_short(), rv10_decode_init(), rv20_decode_picture_header(), stream_component_open(), svq3_decode_frame(), truemotion1_decode_header(), and vp3_decode_frame().
debug
Definition at line 1519 of file avcodec.h.
Referenced by alloc_picture(), ff_print_debug_info(), MPV_common_init(), and stream_component_open().
Number of frames the decoded output will be delayed relative to the encoded input.
Definition at line 1008 of file avcodec.h.
Referenced by MPV_encode_init().
ME diamond size & shape
Definition at line 1591 of file avcodec.h.
Referenced by estimate_motion_thread(), ff_init_me(), iterative_me(), and svq1_encode_plane().
direct MV prediction mode - 0 (none), 1 (spatial), 2 (temporal), 3 (auto)
Definition at line 2169 of file avcodec.h.
Referenced by X264_init().
void(* AVCodecContext::draw_horiz_band)(struct AVCodecContext *s, const AVFrame *src, int offset[4], int y, int type, int height) |
If non NULL, 'draw_horiz_band' is called by the libavcodec decoder to draw a horizontal band.
It improves cache usage. Not all codecs can do that. You must check the codec capabilities beforehand. The function is also used by hardware acceleration APIs. It is called at least once during frame decoding to pass the data needed for hardware render. In that mode instead of pixel data, AVFrame points to a structure specific to the acceleration API. The application reads the structure and can change some fields to indicate progress or mark state.
height | the height of the slice | |
y | the y position of the slice | |
type | 1->top field, 2->bottom field, 3->frame | |
offset | offset into the AVFrame.data from which the slice should be read |
Referenced by ff_draw_horiz_band(), ff_init_block_index(), and MPV_decode_mb_internal().
Percentage of dynamic range compression to be applied by the decoder.
The default value is 1.0, corresponding to full compression.
Definition at line 2275 of file avcodec.h.
Referenced by decode_audio_block().
unsigned AVCodecContext::dsp_mask |
dsp_mask could be add used to disable unwanted CPU features CPU features (i.e.
MMX, SSE. ...)
With the FORCE flag you may instead enable given CPU features. (Dangerous: Usable in case of misdetection, improper usage however will result into program crash.)
Definition at line 1444 of file avcodec.h.
Referenced by dsputil_init_iwmmxt(), dsputil_init_mmx(), and main().
DTG active format information (additional aspect ratio information only used in DVB MPEG-2 transport streams) 0 if not set.
Definition at line 1647 of file avcodec.h.
Referenced by mpeg_decode_user_data(), and video_image_display().
uint64_t AVCodecContext::error[4] |
error
Definition at line 1529 of file avcodec.h.
Referenced by encode_frame(), estimate_best_b_count(), MPV_encode_picture(), and print_report().
error concealment flags
Definition at line 1432 of file avcodec.h.
Referenced by ff_er_frame_end(), guess_mv(), and stream_component_open().
Simulates errors in the bitstream to test error concealment.
Definition at line 1863 of file avcodec.h.
Referenced by encode_thread().
Error recognization; higher values will detect more errors but may misdetect some more or less valid parts as errors.
Definition at line 1198 of file avcodec.h.
Referenced by ac3_decode_frame(), ac3_decode_init(), decode_init(), execute_decode_slices(), h261_decode_gob_header(), mpeg1_decode_picture(), mpeg1_decode_sequence(), mpeg_decode_slice(), and stream_component_open().
int(* AVCodecContext::execute)(struct AVCodecContext *c, int(*func)(struct AVCodecContext *c2, void *arg), void *arg2, int *ret, int count, int size) |
The codec may call this to execute several independent things.
It will return only after finishing all tasks. The user may replace this with some multithreaded implementation, the default implementation will execute the parts serially.
count | the number of things to execute
|
Referenced by avcodec_get_context_defaults2(), avcodec_thread_init(), decode_chunks(), dnxhd_encode_fast(), dnxhd_encode_picture(), dnxhd_encode_rdo(), dnxhd_find_qscale(), encode_picture(), and execute_decode_slices().
uint8_t* AVCodecContext::extradata |
some codecs need / can use extradata like Huffman tables.
mjpeg: Huffman tables rv10: additional flags mpeg4: global headers (they can be in the bitstream or here) The allocated memory should be FF_INPUT_BUFFER_PADDING_SIZE bytes larger than extradata_size to avoid prolems if it is read with the bitstream reader. The bytewise contents of extradata must not depend on the architecture or CPU endianness.
Definition at line 913 of file avcodec.h.
Referenced by aac_decode_init(), aac_encode_init(), adpcm_decode_init(), adts_write_header(), aiff_read_header(), alac_encode_close(), alac_encode_init(), alac_set_info(), apc_read_header(), ape_decode_init(), ape_read_header(), asf_read_header(), atrac3_decode_init(), av_close_input_stream(), av_encode(), av_find_stream_info(), av_mpeg4_decode_header(), av_open_input_stream(), av_parser_change(), avi_read_header(), bfi_decode_frame(), bfi_read_header(), concatenate_packet(), cook_decode_init(), decode_ext_header(), decode_frame(), decode_header_trees(), decode_init(), decode_stream_header(), dump_extradata(), encode_end(), encode_ext_header(), encode_init(), extract_mpeg4_header(), Faac_encode_close(), Faac_encode_init(), faac_init_mp4(), ff_flac_is_extradata_valid(), ff_flac_write_header(), ff_h263_decode_frame(), ff_mjpeg_decode_init(), ff_rm_read_mdpr_codecdata(), ff_xvid_encode_close(), ff_xvid_encode_init(), ffm_read_header(), ffm_write_header(), flac_decode_init(), flac_encode_close(), flac_encode_frame(), flac_encode_init(), flac_header(), flic_decode_init(), flic_read_header(), flv_get_extradata(), flv_read_packet(), flv_set_video_codec(), flv_write_header(), flv_write_packet(), fourxm_read_header(), get_aac_sample_rates(), get_codec_data(), h264_mp4toannexb_filter(), http_receive_data(), idcin_decode_init(), idcin_read_header(), libspeex_decode_init(), matroska_read_header(), mkv_write_block(), mkv_write_codecprivate(), mov_read_esds(), mov_read_extradata(), mov_read_glbl(), mov_read_smi(), mov_read_stsd(), mov_read_wave(), mov_write_extradata_tag(), mov_write_packet(), mov_write_subtitle_tag(), mp3_header_compress(), mp3_header_decompress(), mp_decode_frame(), mpc7_decode_init(), mpc8_decode_init(), mpc8_read_header(), mpc_read_header(), mpeg_decode_frame(), MPV_encode_end(), mxf_parse_structural_metadata(), nut_read_header(), ogg_write_header(), oggvorbis_encode_close(), oggvorbis_encode_init(), oma_read_header(), put_audio_specific_config(), put_xiph_codecpriv(), qdm2_decode_init(), raw_init_decoder(), read_header(), rl2_decode_init(), rl2_read_header(), rm_read_audio_stream_info(), rv10_decode_init(), rv20_decode_picture_header(), rv30_decode_init(), rv30_parse_slice_header(), sdp_parse_fmtp_config(), sdp_parse_fmtp_config_h264(), smacker_read_header(), speex_header(), svq3_decode_init(), theora_header(), tta_decode_init(), tta_read_header(), vc1_decode_init(), vc1t_read_header(), vc1test_write_header(), vmdvideo_decode_init(), vorbis_decode_init(), vorbis_encode_close(), vorbis_encode_init(), vorbis_header(), vp6_parse_header(), vqa_decode_init(), wma_decode_init(), wmv2_encode_init(), write_header(), write_streamheader(), write_trailer(), wsvqa_read_header(), X264_close(), X264_init(), and xvid_strip_vol_header().
Definition at line 914 of file avcodec.h.
Referenced by aac_decode_init(), aac_encode_init(), adpcm_decode_init(), adts_write_header(), aiff_read_header(), alac_decode_frame(), alac_encode_close(), alac_encode_init(), apc_read_header(), ape_decode_init(), ape_read_header(), asf_read_header(), asf_write_header1(), atrac3_decode_init(), av_encode(), av_find_stream_info(), av_mpeg4_decode_header(), av_parser_change(), avi_read_header(), bfi_decode_frame(), bfi_read_header(), concatenate_packet(), cook_decode_init(), decode_ext_header(), decode_frame(), decode_header_trees(), decode_init(), decode_stream_header(), dump_extradata(), encode_ext_header(), encode_init(), extract_mpeg4_header(), Faac_encode_init(), faac_init_mp4(), ff_flac_is_extradata_valid(), ff_flac_write_header(), ff_h263_decode_frame(), ff_mjpeg_decode_init(), ff_rm_read_mdpr_codecdata(), ff_rtp_send_aac(), ff_xvid_encode_init(), ffm_read_header(), ffm_write_header(), flac_encode_close(), flac_encode_init(), flac_header(), flic_decode_init(), flic_read_header(), flv_get_extradata(), flv_read_packet(), flv_set_video_codec(), flv_write_header(), flv_write_packet(), fourxm_read_header(), get_aac_sample_rates(), get_codec_data(), h264_mp4toannexb_filter(), http_receive_data(), idcin_decode_init(), idcin_read_header(), libspeex_decode_init(), matroska_read_header(), mkv_write_block(), mkv_write_codecprivate(), mov_read_esds(), mov_read_extradata(), mov_read_glbl(), mov_read_smi(), mov_read_stsd(), mov_read_wave(), mov_write_extradata_tag(), mov_write_packet(), mov_write_subtitle_tag(), mp3_header_compress(), mp3_header_decompress(), mpc7_decode_init(), mpc8_decode_init(), mpc8_read_header(), mpc_read_header(), mpeg_decode_frame(), mxf_parse_structural_metadata(), nut_read_header(), ogg_write_header(), oggvorbis_encode_init(), oma_read_header(), put_audio_specific_config(), put_xiph_codecpriv(), qdm2_decode_init(), raw_init_decoder(), read_header(), read_packet(), rl2_decode_init(), rl2_read_header(), rm_read_audio_stream_info(), rv10_decode_init(), rv20_decode_picture_header(), rv30_decode_init(), sdp_parse_fmtp_config(), sdp_parse_fmtp_config_h264(), smacker_read_header(), speex_header(), svq3_decode_init(), theora_header(), tta_decode_init(), tta_read_header(), vc1_decode_init(), vc1t_read_header(), vmdvideo_decode_init(), vorbis_decode_init(), vorbis_encode_init(), vorbis_header(), vp6_parse_header(), vqa_decode_init(), wma_decode_init(), wmv2_encode_init(), write_header(), write_streamheader(), write_trailer(), wsvqa_read_header(), X264_init(), and xvid_strip_vol_header().
CODEC_FLAG_*.
Definition at line 881 of file avcodec.h.
Referenced by add_video_stream(), av_encode(), av_parser_change(), av_write_header(), avcodec_default_get_buffer(), avcodec_string(), common_init(), dct_get(), decode_frame(), dnxhd_decode_macroblock(), dnxhd_encode_init(), do_video_stats(), dsputil_init_mmx(), dsputilenc_init_mmx(), dv_guess_dct_mode(), encode_block(), encode_frame(), encode_init(), encode_q_branch(), estimate_best_b_count(), Faac_encode_init(), ff_dnxhd_find_cid(), ff_dsputil_init_neon(), ff_h263_decode_frame(), ff_mjpeg_decode_init(), ff_rv34_decode_init(), ff_xvid_encode_init(), ffm_read_header(), ffm_write_header(), float_init_altivec(), get_flags(), h261_decode_frame(), halfpel_interpol(), idct_put(), indeo3_decode_frame(), iv_decode_frame(), libdirac_encode_init(), libschroedinger_encode_init(), mjpeg_decode_scan(), mkv_write_header(), mkv_write_trailer(), mov_write_udta_tag(), MP3lame_encode_init(), mpeg_decode_frame(), mpeg_decode_init(), MPV_common_init(), MPV_encode_init(), mxf_write_identification(), new_audio_stream(), new_video_stream(), ogg_write_header(), oggvorbis_init_encoder(), opt_input_file(), parse_ffconfig(), print_report(), read_ffserver_streams(), remove_extradata(), render_slice(), sp5x_decode_frame(), stream_component_open(), svq1_decode_init(), svq1_encode_plane(), svq3_decode_init(), tgq_idct_put_mb(), tgq_idct_put_mb_dconly(), tqi_idct_put(), vc1_decode_init(), video_decode_example(), vorbis_encode_init(), vp3_decode_frame(), write_globalinfo(), and X264_init().
CODEC_FLAG2_*
Definition at line 1856 of file avcodec.h.
Referenced by av_parser_change(), decode_frame(), decode_slice_header(), dump_extradata(), encode_bgr_bitstream(), encode_frame(), encode_init(), ff_h263_decode_frame(), ffm_read_header(), ffm_write_header(), h261_decode_frame(), MP3lame_encode_init(), mpeg1_encode_sequence_header(), mpeg_decode_init(), MPV_common_init(), MPV_encode_init(), new_video_stream(), remove_extradata(), stream_component_open(), svq3_decode_init(), and X264_init().
number of bits used for the previously encoded frame
Definition at line 1101 of file avcodec.h.
Referenced by encode_frame(), and MPV_encode_picture().
audio or video frame number
Definition at line 999 of file avcodec.h.
Referenced by avcodec_decode_audio2(), avcodec_decode_subtitle(), avcodec_decode_video(), avcodec_encode_audio(), avcodec_encode_subtitle(), avcodec_encode_video(), avcodec_open(), bfi_decode_frame(), compute_status(), cook_decode_frame(), decode_frame(), eightsvx_decode_frame(), encode_frame(), ff_h263_decode_frame(), flashsv_encode_frame(), h261_decode_frame(), http_prepare_data(), mpeg_decode_frame(), output_packet(), qtrle_encode_frame(), rv10_decode_frame(), svq1_encode_end(), svq1_encode_frame(), svq3_decode_frame(), vc1_decode_frame(), and warn_insufficient_frame_quality().
Samples per packet, initialized when calling 'init'.
Definition at line 998 of file avcodec.h.
Referenced by aac_decode_init(), aac_encode_init(), AC3_encode_init(), adx_encode_frame(), adx_encode_init(), aiff_read_header(), alac_encode_frame(), alac_encode_init(), alac_entropy_coder(), alac_linear_predictor(), alac_stereo_decorrelation(), amr_decode_fix_avctx(), ape_read_header(), asf_read_header(), audio_encode_example(), av_encode(), avcodec_decode_audio2(), calc_predictor_params(), compute_status(), create_audio_stream(), do_audio_out(), encode_frame(), encode_init(), encode_superframe(), faac_decode_frame(), Faac_encode_frame(), Faac_encode_init(), ff_aac_ac3_parse(), ff_parse_specific_params(), ffm_read_header(), ffm_write_header(), flac_encode_frame(), flac_encode_init(), get_aiff_header(), get_audio_frame_size(), has_codec_parameters(), init_frame(), init_sample_buffers(), libgsm_init(), libspeex_decode_frame(), libspeex_decode_init(), mlp_parse(), mov_read_stsd(), mov_read_trak(), mov_write_audio_tag(), mov_write_header(), MP3lame_encode_frame(), MP3lame_encode_init(), mp_decode_frame(), MPA_encode_init(), mpegaudio_parse(), oggvorbis_encode_init(), open_audio(), output_packet(), pcm_encode_init(), rdt_parse_sdp_line(), read_major_sync(), rm_write_header(), roq_dpcm_encode_frame(), roq_dpcm_encode_init(), rtp_write_header(), rv10_write_header(), swf_write_audio(), swf_write_header(), vorbis_decode_init(), vorbis_encode_frame(), vorbis_encode_init(), write_frame_header(), and write_streaminfo().
frame skip comparison function
Definition at line 2014 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), and MPV_encode_init().
frame skip exponent
Definition at line 2007 of file avcodec.h.
Referenced by skip_check().
frame skip factor
Definition at line 2000 of file avcodec.h.
Referenced by select_input_picture(), and skip_check().
frame skip threshold
Definition at line 1993 of file avcodec.h.
Referenced by select_input_picture(), and skip_check().
int(* AVCodecContext::get_buffer)(struct AVCodecContext *c, AVFrame *pic) |
Called at the beginning of each frame to get a buffer for it.
If pic.reference is set then the frame will be read later by libavcodec. avcodec_align_dimensions() should be used to find the required width and height, as they normally need to be rounded up to the next multiple of 16.
Referenced by alloc_picture(), avcodec_default_reget_buffer(), avcodec_get_context_defaults2(), bfi_decode_frame(), bmp_decode_frame(), cmv_decode_frame(), common_init(), cyuv_decode_frame(), decode_frame(), decode_init(), decode_pic(), dnxhd_decode_frame(), encode_init(), escape124_decode_frame(), ff_mjpeg_decode_sof(), flashsv_decode_frame(), frame_start(), gif_decode_frame(), idcin_decode_frame(), indeo3_decode_frame(), ipvideo_decode_frame(), libopenjpeg_decode_frame(), mimic_decode_frame(), mm_decode_init(), pcx_decode_frame(), pnm_decode_frame(), ptx_decode_frame(), rl2_decode_frame(), roq_encode_frame(), sp5x_decode_frame(), sunrast_decode_frame(), svq1_encode_frame(), tgq_decode_frame(), tiff_decode_tag(), tqi_decode_frame(), txd_decode_frame(), ulti_decode_frame(), vmdvideo_decode_frame(), vp3_decode_frame(), vp56_decode_frame(), vqa_decode_frame(), and xan_decode_frame().
enum PixelFormat(* AVCodecContext::get_format)(struct AVCodecContext *s, const enum PixelFormat *fmt) |
callback to negotiate the pixelFormat
fmt | is the list of formats which are supported by the codec, it is terminated by -1 as 0 is a valid format, the formats are ordered by quality. The first is always the native one. |
Referenced by avcodec_get_context_defaults2(), decode_init(), ff_h263_decode_init(), and mpeg_get_pixelformat().
Global quality for codecs which cannot change it per frame.
This should be proportional to MPEG-1/2/4 qscale.
Definition at line 1712 of file avcodec.h.
Referenced by encode_init(), Faac_encode_init(), libdirac_encode_init(), libschroedinger_encode_init(), MP3lame_encode_init(), new_audio_stream(), new_video_stream(), oggvorbis_init_encoder(), parse_ffconfig(), and vorbis_encode_init().
the number of pictures in a group of pictures, or 0 for intra_only
Definition at line 943 of file avcodec.h.
Referenced by add_av_stream(), add_video_stream(), encode_frame(), encode_init(), ff_xvid_encode_init(), ffm_read_header(), ffm_write_header(), flashsv_encode_frame(), libdirac_encode_init(), libschroedinger_encode_init(), MPV_encode_init(), mxf_get_mpeg2_codec_ul(), mxf_parse_mpeg2_frame(), new_video_stream(), parse_ffconfig(), qtrle_encode_frame(), roq_encode_frame(), svq1_encode_frame(), video_encode_example(), and X264_init().
Size of the frame reordering buffer in the decoder.
For MPEG-2 it is 1 IPB or 0 low delay IP.
Definition at line 1229 of file avcodec.h.
Referenced by av_encode(), compute_pkt_fields(), compute_pkt_fields2(), decode_frame(), decode_init(), decode_nal_units(), decode_stream_header(), dirac_combine_frame(), ff_h263_decode_frame(), ff_mpeg4_decode_picture_header(), ff_rv34_decode_init(), libdirac_decode_frame(), libdirac_encode_init(), libschroedinger_decode_frame(), libschroedinger_encode_init(), mov_read_ctts(), mpeg_decode_postinit(), mpegvideo_extract_headers(), MPV_encode_init(), nut_read_header(), rv10_decode_init(), rv20_decode_picture_header(), svq1_decode_init(), svq3_decode_init(), update_initial_durations(), vc1_decode_init(), vcr2_init_sequence(), write_streamheader(), and X264_init().
Definition at line 1088 of file avcodec.h.
Referenced by MPV_encode_picture().
Definition at line 934 of file avcodec.h.
Referenced by aasc_decode_frame(), add_av_stream(), add_codec(), add_video_stream(), alloc_blocks(), alloc_picture(), asf_read_header(), asf_write_header1(), av_encode(), av_write_header(), avcodec_default_get_buffer(), avcodec_default_reget_buffer(), avcodec_encode_video(), avcodec_open(), avcodec_set_dimensions(), avcodec_string(), avi_read_header(), avi_write_header(), avisynth_read_header(), avs_read_packet(), bethsoftvid_decode_frame(), bfi_decode_frame(), bfi_decode_init(), bfi_read_header(), bmp_decode_frame(), bmp_encode_frame(), cin_read_header(), cinepak_decode_init(), cinvideo_decode_frame(), cinvideo_decode_init(), cmv_decode_inter(), cmv_decode_intra(), cmv_process_header(), codec_reinit(), common_init(), common_init_after_header(), compute_status(), cyuv_decode_init(), dc1394_read_common(), decode_13(), decode_frame(), decode_i2_frame(), decode_i_frame(), decode_init(), decode_p_block(), decode_p_frame(), decode_seq_header(), decode_sequence_header_adv(), decode_slice_header(), decode_stream_header(), dnxhd_encode_init(), dnxhd_get_blocks(), dnxhd_write_header(), do_video_out(), do_video_stats(), dump_stream_format(), dv_codec_profile(), dv_extract_video_info(), dv_write_pack(), dxa_read_header(), ea_read_header(), encode_frame(), encode_init(), encode_picture_ls(), escape124_decode_init(), estimate_best_b_count(), ff_dirac_schro_get_video_format_idx(), ff_dnxhd_find_cid(), ff_draw_horiz_band(), ff_pnm_decode_header(), ff_print_debug_info(), ff_rm_read_mdpr_codecdata(), ff_rv34_decode_init(), ff_vdpau_h264_picture_complete(), ff_vdpau_mpeg_picture_complete(), ff_vdpau_vc1_decode_picture(), ff_xvid_encode_init(), ffm_read_header(), ffm_write_header(), film_read_header(), find_stream_in_feed(), flashsv_decode_frame(), flashsv_encode_init(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), flic_read_header(), flip(), fourxm_read_header(), frame_start(), get_watermark_picture(), gif_encode_frame(), gif_write_header(), gif_write_video(), grab_read_header(), gxf_find_lines_index(), gxf_write_header(), gxf_write_mpeg_auxiliary(), halfpel_interpol(), idcin_decode_vlcs(), idcin_read_header(), img_read_header(), img_read_packet(), indeo3_decode_init(), ipmovie_read_header(), ipvideo_decode_init(), ipvideo_decode_opcodes(), ir2_decode_frame(), libdirac_decode_frame(), libdirac_encode_frame(), libdirac_encode_init(), libschroedinger_decode_frame(), libschroedinger_encode_init(), libschroedinger_frame_from_data(), libschroedinger_handle_first_access_unit(), matroska_read_header(), mimic_decode_frame(), mkv_write_tracks(), mm_decode_init(), mm_read_header(), mov_find_codec_tag(), mov_read_stsd(), mov_read_trak(), mov_write_avid_tag(), mov_write_header(), mov_write_tkhd_tag(), mov_write_uuidprof_tag(), mp_decode_frame(), mp_decode_frame_helper(), mp_decode_init(), mp_read_changes_map(), MPV_encode_init(), msrle_decode_8_16_24_32(), msrle_decode_pal4(), msvideo1_decode_16bit(), msvideo1_decode_8bit(), mtv_read_header(), mxf_parse_mpeg2_frame(), mxf_parse_structural_metadata(), mxf_write_cdci_common(), new_video_stream(), nsv_parse_NSVs_header(), nut_read_header(), nuv_header(), ogm_dshow_header(), ogm_header(), open_video(), opt_input_file(), output_packet(), pam_encode_frame(), parse_ffconfig(), parse_h264_sdp_line(), pcx_decode_frame(), pnm_decode_frame(), pnm_encode_frame(), pnm_parse(), pre_process_video_frame(), prepare_avpic(), print_report(), ptx_decode_frame(), qtrle_decode_16bpp(), qtrle_decode_1bpp(), qtrle_decode_24bpp(), qtrle_decode_2n4bpp(), qtrle_decode_32bpp(), qtrle_decode_8bpp(), qtrle_decode_frame(), qtrle_encode_frame(), qtrle_encode_init(), queue_picture(), r3d_read_red1(), raw_decode(), raw_encode(), raw_init_decoder(), read_header(), rl2_decode_init(), rl2_read_header(), rl2_rle_decode(), roq_decode_frame(), roq_decode_init(), roq_encode_init(), roq_read_header(), rpl_read_header(), rpza_decode_stream(), rv10_decode_init(), rv10_write_header(), rv20_decode_picture_header(), seq_read_header(), siff_parse_vbv1(), smacker_read_header(), smc_decode_stream(), sp5x_decode_frame(), str_read_packet(), sunrast_decode_frame(), svq1_decode_init(), svq1_encode_end(), svq1_encode_init(), svq3_decode_init(), swf_write_header(), swf_write_video(), targa_encode_frame(), tgq_decode_frame(), tgv_decode_frame(), tgv_decode_inter(), theora_header(), thp_read_header(), tiff_decode_tag(), tm2_decode_blocks(), tqi_decode_frame(), truemotion1_decode_16bit(), truemotion1_decode_24bit(), truemotion1_decode_header(), txd_decode_frame(), ulti_decode_init(), v4l2_read_header(), vb_decode_framedata(), vc1_decode_init(), vc1t_read_header(), vc1test_write_header(), vfw_read_header(), vid_read_header(), vid_read_packet(), video_decode_example(), video_encode_example(), video_image_display(), video_open(), vmd_decode(), vp3_decode_init(), vp6_parse_header(), wc3_read_header(), write_streamheader(), write_video_frame(), wsvqa_read_header(), x11grab_read_header(), X264_init(), xan_decode_frame(), xan_decode_init(), xan_wc3_decode_frame(), yuv4_read_header(), yuv4_read_packet(), and zmbv_me().
hurry up amount
1-> Skip B-frames, 2-> Skip IDCT/dequant too, 5-> Skip everything except header
Definition at line 1064 of file avcodec.h.
Referenced by decode_chunks(), ff_h263_decode_frame(), ff_rv34_decode_frame(), h261_decode_frame(), svq1_decode_frame(), svq3_decode_frame(), and vc1_decode_frame().
struct AVHWAccel* AVCodecContext::hwaccel |
Hardware accelerator in use
Definition at line 2326 of file avcodec.h.
Referenced by decode_frame(), decode_init(), decode_nal_units(), decode_slice(), execute_decode_slices(), ff_er_add_slice(), ff_er_frame_end(), ff_h263_decode_frame(), ff_h263_decode_init(), ff_print_debug_info(), get_consumed_bytes(), mpeg_decode_slice(), mpeg_field_start(), MPV_frame_end(), slice_end(), and vcr2_init_sequence().
Definition at line 1091 of file avcodec.h.
Referenced by MPV_encode_picture().
qscale factor between P and I-frames If > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset).
If < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset).
Definition at line 1318 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), get_diff_limited_q(), get_qminmax(), get_qscale(), and X264_init().
qscale offset between P and I-frames
Definition at line 1325 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), get_diff_limited_q(), get_qminmax(), and get_qscale().
Definition at line 1089 of file avcodec.h.
Referenced by MPV_encode_picture().
IDCT algorithm, see FF_IDCT_* below.
Definition at line 1388 of file avcodec.h.
Referenced by decode_pic(), dsputil_init(), dsputil_init_alpha(), dsputil_init_arm(), dsputil_init_bfin(), dsputil_init_mmi(), dsputil_init_mmx(), dsputil_init_ppc(), dsputil_init_sh4(), dsputil_init_vis(), ff_h263_decode_frame(), MPV_common_init_altivec(), MPV_common_init_mlib(), parse_ffconfig(), render_slice(), stream_component_open(), tgq_calculate_qtable(), tgq_decode_init(), tqi_calculate_qtable(), tqi_decode_init(), vc1_decode_init(), vcr2_init_sequence(), vp3_decode_init(), vp56_init(), and wmv2_decode_init().
interlaced DCT comparison function
Definition at line 1568 of file avcodec.h.
Referenced by dvvideo_init(), encode_mb_internal(), and MPV_encode_init().
uint16_t* AVCodecContext::inter_matrix |
custom inter quantization matrix
Definition at line 1780 of file avcodec.h.
Referenced by ff_xvid_encode_init(), mpeg1_encode_sequence_header(), MPV_encode_init(), and new_video_stream().
inter quantizer bias
Definition at line 1678 of file avcodec.h.
Referenced by MPV_encode_init().
internal_buffers Don't touch, used by libavcodec default_get_buffer().
Definition at line 1698 of file avcodec.h.
Referenced by avcodec_default_free_buffers(), avcodec_default_get_buffer(), and avcodec_default_release_buffer().
internal_buffer count Don't touch, used by libavcodec default_get_buffer().
Definition at line 1692 of file avcodec.h.
Referenced by avcodec_default_free_buffers(), avcodec_default_get_buffer(), and avcodec_default_release_buffer().
precision of the intra DC coefficient - 8
Definition at line 1930 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), MPV_encode_init(), and new_video_stream().
uint16_t* AVCodecContext::intra_matrix |
custom intra quantization matrix
Definition at line 1773 of file avcodec.h.
Referenced by ff_xvid_encode_init(), mpeg1_encode_sequence_header(), MPV_encode_init(), and new_video_stream().
intra quantizer bias
Definition at line 1670 of file avcodec.h.
Referenced by dnxhd_encode_init(), and MPV_encode_init().
minimum GOP size
Definition at line 2099 of file avcodec.h.
Referenced by encode_init(), and X264_init().
amount of previous MV predictors (2a+1 x 2a+1 square)
Definition at line 1598 of file avcodec.h.
Referenced by epzs_motion_search_internal().
level
Definition at line 1970 of file avcodec.h.
Referenced by encode_init(), mpeg1_encode_sequence_header(), mpeg_decode_sequence_extension(), mpeg_decode_slice(), mxf_get_mpeg2_codec_ul(), mxf_parse_mpeg2_frame(), and X264_init().
maximum Lagrange multipler
Definition at line 1810 of file avcodec.h.
Referenced by get_qminmax(), and MPV_encode_picture().
minimum Lagrange multipler
Definition at line 1803 of file avcodec.h.
Referenced by get_qminmax().
low resolution decoding, 1-> 1/2 size, 2->1/4 size
Definition at line 1978 of file avcodec.h.
Referenced by avcodec_set_dimensions(), chroma_4mv_motion_lowres(), decode_slice(), dsputil_init(), dsputil_init_alpha(), dsputil_init_arm(), dsputil_init_mmx(), dsputil_init_ppc(), dv_decode_video_segment(), dvvideo_init(), ff_er_frame_end(), ff_init_block_index(), ff_update_block_index(), hpel_motion_lowres(), mjpeg_decode_scan(), mjpeg_decode_scan_progressive_ac(), mpeg_decode_slice(), mpeg_motion_lowres(), MPV_common_init_altivec(), MPV_decode_mb(), MPV_decode_mb_internal(), MPV_motion_lowres(), opt_input_file(), and stream_component_open().
LPC coefficient precision - used by FLAC encoder
Definition at line 2219 of file avcodec.h.
Referenced by flac_encode_init().
luma single coefficient elimination threshold
Definition at line 1157 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), MPV_encode_init(), and parse_ffconfig().
luminance masking (0-> disabled)
Definition at line 1353 of file avcodec.h.
Referenced by adaptive_quantization(), ff_xvid_encode_init(), MPV_encode_init(), and parse_ffconfig().
maximum number of B-frames between non-B-frames Note: The output will be delayed by max_b_frames+1 relative to the input.
Definition at line 1041 of file avcodec.h.
Referenced by add_video_stream(), compute_pkt_fields2(), decode_sequence_header(), decode_sequence_header_adv(), estimate_best_b_count(), ff_xvid_encode_init(), ffm_read_header(), ffm_write_header(), MPV_encode_init(), vc1_decode_init(), vc1_parse_frame_header(), video_encode_example(), and X264_init().
Definition at line 2250 of file avcodec.h.
Referenced by flac_encode_init().
Definition at line 2231 of file avcodec.h.
Referenced by alac_encode_init(), and flac_encode_init().
maximum quantizer difference between frames
Definition at line 1033 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), get_diff_limited_q(), parse_ffconfig(), and X264_init().
macroblock comparison function (not supported yet)
Definition at line 1562 of file avcodec.h.
Referenced by check_bidir_mv(), direct_search(), encode_q_branch(), estimate_best_b_count(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_init_me(), h263_mv4_search(), interlaced_search(), and sse_mb().
macroblock decision mode
Definition at line 1763 of file avcodec.h.
Referenced by add_video_stream(), avcodec_string(), clip_coeffs(), dnxhd_calc_bits_thread(), dnxhd_encode_picture(), dnxhd_init_rc(), encode_mb_hq(), encode_thread(), estimate_best_b_count(), ff_estimate_b_frame_motion(), ff_estimate_p_frame_motion(), ff_xvid_encode_init(), ffm_read_header(), ffm_write_header(), MPV_decode_mb_internal(), MPV_encode_init(), and parse_ffconfig().
maximum MB lagrange multipler
Definition at line 2036 of file avcodec.h.
Referenced by adaptive_quantization().
minimum MB lagrange multipler
Definition at line 2029 of file avcodec.h.
Referenced by adaptive_quantization().
Macroblock threshold below which the user specified macroblock types will be used.
Definition at line 1923 of file avcodec.h.
Referenced by ff_estimate_b_frame_motion(), ff_estimate_p_frame_motion(), and MPV_encode_init().
motion estimation comparison function
Definition at line 1550 of file avcodec.h.
Referenced by encode_init(), encode_q_branch(), estimate_best_b_count(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_init_me(), get_4block_rd(), get_block_rd(), hpel_motion_search(), qpel_motion_search(), and X264_init().
Motion estimation algorithm used for video coding.
1 (zero), 2 (full), 3 (log), 4 (phods), 5 (epzs), 6 (x1), 7 (hex), 8 (umh), 9 (iter), 10 (tesa) [7, 8, 10 are x264 specific, 9 is snow specific]
Definition at line 900 of file avcodec.h.
Referenced by add_codec(), encode_blocks(), encode_frame(), encode_init(), ff_xvid_encode_init(), ffm_read_header(), ffm_write_header(), MPV_encode_init(), svq1_encode_plane(), and X264_init().
Definition at line 2043 of file avcodec.h.
Referenced by encode_picture().
motion estimation prepass comparison function
Definition at line 1612 of file avcodec.h.
Referenced by ff_init_me(), and ff_pre_estimate_p_frame_motion().
maximum motion estimation search range in subpel units If 0 then no limit.
Definition at line 1663 of file avcodec.h.
Referenced by encode_init(), ff_fix_long_mvs(), ff_fix_long_p_mvs(), ff_get_best_fcode(), get_limits(), mpeg1_encode_sequence_header(), and X264_init().
subpixel motion estimation comparison function
Definition at line 1556 of file avcodec.h.
Referenced by direct_search(), encode_init(), encode_q_branch(), estimate_best_b_count(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_init_me(), hpel_motion_search(), and qpel_motion_search().
subpel ME quality
Definition at line 1626 of file avcodec.h.
Referenced by qpel_motion_search(), and X264_init().
Motion estimation threshold below which no motion estimation is performed, but instead the user specified motion vectors are used.
Definition at line 1916 of file avcodec.h.
Referenced by copy_picture_attributes(), encode_picture(), ff_estimate_b_frame_motion(), ff_estimate_p_frame_motion(), MPV_encode_init(), and new_video_stream().
Definition at line 2244 of file avcodec.h.
Referenced by flac_encode_init().
Definition at line 2225 of file avcodec.h.
Referenced by alac_encode_init(), and flac_encode_init().
Definition at line 1094 of file avcodec.h.
Referenced by encode_frame(), and MPV_encode_picture().
0-> h263 quant 1-> mpeg quant
Definition at line 1246 of file avcodec.h.
Referenced by ff_xvid_encode_init(), ffm_read_header(), ffm_write_header(), and MPV_encode_init().
Note: Value depends upon the compare function used for fullpel ME.
Definition at line 2191 of file avcodec.h.
Referenced by epzs_motion_search_internal().
Definition at line 1087 of file avcodec.h.
Referenced by encode_frame(), and MPV_encode_picture().
noise reduction strength
Definition at line 1824 of file avcodec.h.
Referenced by init_duplicate_context(), merge_context_after_encode(), MPV_common_init(), update_noise_reduction(), and X264_init().
noise vs.
sse weight for the nsse comparsion function
Definition at line 1937 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), nsse16_c(), nsse16_mmx(), nsse8_c(), and nsse8_mmx().
void* AVCodecContext::opaque |
Definition at line 1092 of file avcodec.h.
Referenced by MPV_encode_picture().
p block masking (0-> disabled)
Definition at line 1374 of file avcodec.h.
Referenced by adaptive_quantization(), and MPV_encode_init().
Definition at line 1090 of file avcodec.h.
Referenced by encode_frame(), and MPV_encode_picture().
palette control structure
Definition at line 1817 of file avcodec.h.
Referenced by asf_read_close(), asf_read_header(), avcodec_get_context_defaults2(), avi_read_close(), avi_read_header(), cinepak_decode_frame(), cinepak_decode_init(), decode_frame(), decode_init(), idcin_decode_frame(), idcin_read_header(), ipmovie_read_header(), ipvideo_decode_frame(), ipvideo_decode_init(), ipvideo_decode_opcodes(), mov_read_stsd(), msrle_decode_frame(), msvideo1_decode_8bit(), msvideo1_decode_init(), nsv_read_close(), qtrle_decode_frame(), raw_decode(), smc_decode_stream(), wc3_read_header(), xan_decode_frame(), and xan_decode_init().
Definition at line 1237 of file avcodec.h.
Referenced by decode_init(), and open_parser().
macroblock subpartition sizes to consider - p8x8, p4x4, b8x8, i8x8, i4x4
Definition at line 2157 of file avcodec.h.
Referenced by X264_init().
Pixel format, see PIX_FMT_xxx.
Definition at line 950 of file avcodec.h.
Referenced by aasc_decode_init(), add_video_stream(), alloc_picture(), av_encode(), av_find_stream_info(), avcodec_align_dimensions(), avcodec_default_get_buffer(), avcodec_default_reget_buffer(), avcodec_get_context_defaults2(), avcodec_string(), avs_decode_init(), bethsoftvid_decode_init(), bfi_decode_init(), bfi_read_header(), bmp_decode_frame(), cinepak_decode_init(), cinvideo_decode_init(), cmv_decode_init(), cyuv_decode_init(), dc1394_read_common(), decode_frame(), decode_init(), dnxhd_decode_frame(), dnxhd_encode_init(), do_video_out(), dv_codec_profile(), dv_extract_video_info(), encode_frame(), encode_init(), encode_init_ls(), encode_picture_lossless(), encode_picture_ls(), escape124_decode_init(), estimate_best_b_count(), ff_cavs_init(), ff_h263_decode_init(), ff_mjpeg_decode_sof(), ff_mjpeg_encode_picture_header(), ff_pnm_decode_header(), ff_print_debug_info(), ff_rv34_decode_init(), ff_xvid_encode_frame(), ffm_read_header(), ffm_write_header(), flashsv_decode_init(), flic_decode_frame(), flic_decode_init(), get_watermark_picture(), gif_decode_frame(), gif_write_header(), grab_read_header(), gxf_write_header(), gxf_write_mpeg_auxiliary(), gxf_write_umf_media_mpeg(), h261_decode_init(), has_codec_parameters(), idcin_decode_init(), img_read_header(), indeo3_decode_init(), ipvideo_decode_init(), ir2_decode_init(), jpeg_put_comments(), libdirac_decode_frame(), libdirac_encode_frame(), libdirac_encode_init(), libopenjpeg_decode_frame(), libschroedinger_decode_frame(), libschroedinger_encode_init(), libschroedinger_frame_from_data(), libschroedinger_handle_first_access_unit(), load_input_picture(), mimic_decode_frame(), mm_decode_init(), mov_find_codec_tag(), MPV_common_init(), MPV_encode_init(), msrle_decode_init(), msvideo1_decode_8bit(), msvideo1_decode_init(), new_video_stream(), open_video(), opt_input_file(), pam_encode_frame(), parse_h264_sdp_line(), pcx_decode_frame(), png_enc_init(), pnm_decode_frame(), pnm_encode_frame(), pnm_parse(), pre_process_video_frame(), ptx_decode_frame(), qtrle_decode_init(), qtrle_encode_frame(), qtrle_encode_init(), queue_picture(), raw_decode(), raw_encode(), raw_init_decoder(), raw_init_encoder(), read_header(), rl2_decode_init(), roq_decode_frame(), roq_decode_init(), rpza_decode_init(), rv10_decode_init(), seqvideo_decode_init(), SetSchroChromaFormat(), siff_parse_vbv1(), smacker_read_header(), smc_decode_init(), sp5x_decode_frame(), sunrast_decode_frame(), svq1_decode_init(), svq1_encode_frame(), targa_encode_frame(), tgq_decode_init(), tgv_decode_init(), tiff_decode_tag(), tqi_decode_init(), truemotion1_decode_header(), txd_decode_frame(), ulti_decode_init(), v4l2_read_header(), vc1_decode_frame(), vc1_decode_init(), vcr2_init_sequence(), vfw_read_header(), vid_read_header(), video_encode_example(), vmdvideo_decode_init(), vp3_decode_init(), vp56_init(), vqa_decode_init(), write_video_frame(), x11grab_read_header(), xan_decode_init(), yuv4_read_header(), and yuv4_read_packet().
ME prepass diamond size & shape
Definition at line 1619 of file avcodec.h.
Referenced by ff_init_me(), and pre_estimate_motion_thread().
prepass for motion estimation
Definition at line 1605 of file avcodec.h.
Referenced by encode_picture().
prediction method (needed for huffyuv)
Definition at line 1470 of file avcodec.h.
Referenced by encode_init(), encode_picture_lossless(), encode_picture_ls(), ff_mjpeg_encode_picture_header(), and png_enc_init().
search method for selecting prediction order
Definition at line 2238 of file avcodec.h.
Referenced by flac_encode_init().
Definition at line 1068 of file avcodec.h.
Referenced by aac_decode_close(), aac_decode_frame(), aac_decode_init(), aac_encode_end(), aac_encode_init(), aasc_decode_end(), aasc_decode_frame(), aasc_decode_init(), ac3_decode_end(), ac3_decode_frame(), ac3_decode_init(), AC3_encode_frame(), AC3_encode_init(), adpcm_decode_frame(), adpcm_decode_init(), adx_decode_frame(), adx_encode_frame(), alac_decode_close(), alac_decode_frame(), alac_decode_init(), alac_encode_frame(), alac_encode_init(), ape_decode_close(), ape_decode_frame(), ape_decode_init(), apply_window_and_mdct(), atrac3_decode_close(), atrac3_decode_frame(), atrac3_decode_init(), avcodec_close(), avcodec_open(), avs_decode_frame(), bethsoftvid_decode_end(), bethsoftvid_decode_frame(), bethsoftvid_decode_init(), bfi_decode_close(), bfi_decode_frame(), bfi_decode_init(), bmp_decode_end(), bmp_decode_frame(), bmp_decode_init(), bmp_encode_frame(), bmp_encode_init(), cavs_decode_frame(), cavs_flush(), channel_setup(), cinaudio_decode_frame(), cinaudio_decode_init(), cinepak_decode_end(), cinepak_decode_frame(), cinepak_decode_init(), cinvideo_decode_end(), cinvideo_decode_frame(), cinvideo_decode_init(), cmv_decode_end(), cmv_decode_frame(), cmv_decode_init(), codec_reinit(), common_end(), common_init(), common_init_after_header(), cook_decode_close(), cook_decode_frame(), cook_decode_init(), cyuv_decode_frame(), cyuv_decode_init(), dca_decode_end(), dca_decode_frame(), dca_decode_init(), decode_chunks(), decode_end(), decode_entry_point(), decode_frame(), decode_init(), decode_sequence_header(), decode_tag(), determine_bitrate(), dnxhd_decode_close(), dnxhd_decode_frame(), dnxhd_decode_init(), dnxhd_encode_end(), dnxhd_encode_init(), dnxhd_encode_picture(), dnxhd_write_header(), dpcm_decode_frame(), dpcm_decode_init(), dv_decode_video_segment(), dv_encode_video_segment(), dvbsub_close_decoder(), dvbsub_decode(), dvbsub_display_end_segment(), dvbsub_encode(), dvbsub_init_decoder(), dvbsub_parse_clut_segment(), dvbsub_parse_object_segment(), dvbsub_parse_page_segment(), dvbsub_parse_pixel_data_block(), dvbsub_parse_region_segment(), dvvideo_close(), dvvideo_init(), eightsvx_decode_frame(), eightsvx_decode_init(), encode_close(), encode_end(), encode_frame(), encode_init(), encode_init_ls(), encode_nals(), encode_picture_lossless(), encode_picture_ls(), encode_superframe(), escape124_decode_close(), escape124_decode_frame(), escape124_decode_init(), faac_decode_end(), faac_decode_frame(), faac_decode_init(), Faac_encode_close(), Faac_encode_frame(), Faac_encode_init(), faac_init_mp4(), ff_cavs_end(), ff_cavs_init(), ff_h263_decode_end(), ff_h263_decode_frame(), ff_h263_decode_init(), ff_mjpeg_decode_end(), ff_mjpeg_decode_frame(), ff_mjpeg_decode_init(), ff_mpeg_flush(), ff_rv34_decode_end(), ff_rv34_decode_frame(), ff_rv34_decode_init(), ff_vdpau_h264_picture_complete(), ff_vdpau_h264_set_reference_frames(), ff_vdpau_vc1_decode_picture(), ff_wma_end(), ff_wma_init(), ff_xvid_encode_close(), ff_xvid_encode_frame(), ff_xvid_encode_init(), flac_decode_close(), flac_decode_frame(), flac_decode_init(), flac_encode_close(), flac_encode_frame(), flac_encode_init(), flac_flush(), flashsv_decode_end(), flashsv_decode_frame(), flashsv_decode_init(), flashsv_encode_end(), flashsv_encode_frame(), flashsv_encode_init(), flic_decode_end(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), flic_decode_init(), flush(), flush_dpb(), g726_decode_frame(), g726_init(), gif_decode_close(), gif_decode_frame(), gif_decode_init(), gif_encode_frame(), gif_encode_init(), h261_decode_end(), h261_decode_frame(), h261_decode_init(), idcin_decode_end(), idcin_decode_frame(), idcin_decode_init(), imc_decode_close(), imc_decode_frame(), imc_decode_init(), indeo3_decode_end(), indeo3_decode_frame(), indeo3_decode_init(), ipvideo_decode_end(), ipvideo_decode_frame(), ipvideo_decode_init(), ir2_decode_frame(), ir2_decode_init(), libdirac_decode_close(), libdirac_decode_frame(), libdirac_decode_init(), libdirac_encode_close(), libdirac_encode_frame(), libdirac_encode_init(), libgsm_close(), libgsm_decode_frame(), libgsm_encode_frame(), libgsm_init(), libopenjpeg_decode_close(), libopenjpeg_decode_frame(), libopenjpeg_decode_init(), libschroedinger_decode_close(), libschroedinger_decode_frame(), libschroedinger_decode_init(), libschroedinger_encode_close(), libschroedinger_encode_frame(), libschroedinger_encode_init(), libschroedinger_flush(), libschroedinger_frame_from_data(), libschroedinger_handle_first_access_unit(), libspeex_decode_close(), libspeex_decode_frame(), libspeex_decode_init(), mace_decode_frame(), mdec_common_init(), mimic_decode_end(), mimic_decode_frame(), mimic_decode_init(), mjpegb_decode_frame(), mlp_decode_init(), mm_decode_end(), mm_decode_frame(), mm_decode_init(), MP3lame_encode_close(), MP3lame_encode_frame(), MP3lame_encode_init(), mp_decode_end(), mp_decode_frame(), mp_decode_init(), MPA_encode_frame(), MPA_encode_init(), mpc7_decode_flush(), mpc7_decode_frame(), mpc7_decode_init(), mpc8_decode_frame(), mpc8_decode_init(), mpeg1_decode_picture(), mpeg1_decode_sequence(), mpeg_decode_end(), mpeg_decode_extension(), mpeg_decode_frame(), mpeg_decode_gop(), mpeg_decode_init(), mpeg_decode_postinit(), mpeg_get_pixelformat(), MPV_encode_end(), MPV_encode_init(), MPV_encode_picture(), msrle_decode_end(), msrle_decode_frame(), msrle_decode_init(), msvideo1_decode_end(), msvideo1_decode_frame(), msvideo1_decode_init(), oggvorbis_encode_close(), oggvorbis_encode_frame(), oggvorbis_encode_init(), pam_encode_frame(), pcm_decode_frame(), pcm_decode_init(), pcx_decode_frame(), pcx_end(), pcx_init(), png_dec_init(), png_enc_init(), pnm_decode_frame(), pnm_encode_frame(), ptx_decode_frame(), ptx_end(), ptx_init(), put_audio_specific_config(), qcelp_decode_frame(), qcelp_decode_init(), qdm2_decode_close(), qdm2_decode_frame(), qdm2_decode_init(), qtrle_decode_end(), qtrle_decode_frame(), qtrle_decode_init(), qtrle_encode_end(), qtrle_encode_frame(), qtrle_encode_init(), ra144_decode_frame(), ra144_decode_init(), ra288_decode_frame(), raw_close_decoder(), raw_decode(), raw_init_decoder(), raw_init_encoder(), read_access_unit(), read_huffman_tree(), rl2_decode_end(), rl2_decode_frame(), rl2_decode_init(), roq_decode_end(), roq_decode_frame(), roq_decode_init(), roq_dpcm_encode_frame(), roq_dpcm_encode_init(), roq_encode_end(), roq_encode_frame(), roq_encode_init(), rpza_decode_end(), rpza_decode_frame(), rpza_decode_init(), rv10_decode_end(), rv10_decode_frame(), rv10_decode_init(), rv10_decode_packet(), rv30_decode_init(), rv40_decode_init(), seqvideo_decode_end(), seqvideo_decode_frame(), seqvideo_decode_init(), SetSchroChromaFormat(), sgi_end(), sgi_init(), shorten_decode_close(), shorten_decode_frame(), shorten_decode_init(), shorten_flush(), slice_end(), smc_decode_end(), smc_decode_frame(), smc_decode_init(), sp5x_decode_frame(), sunrast_decode_frame(), sunrast_end(), sunrast_init(), svq1_decode_end(), svq1_decode_frame(), svq1_decode_init(), svq1_encode_end(), svq1_encode_frame(), svq1_encode_init(), svq3_decode_frame(), svq3_decode_init(), targa_encode_init(), targa_end(), targa_init(), tgq_decode_end(), tgq_decode_frame(), tgq_decode_init(), tgv_decode_end(), tgv_decode_frame(), tgv_decode_init(), tiff_end(), tiff_init(), tqi_decode_end(), tqi_decode_frame(), tqi_decode_init(), truemotion1_decode_end(), truemotion1_decode_frame(), truemotion1_decode_init(), truespeech_decode_frame(), tta_decode_close(), tta_decode_frame(), tta_decode_init(), txd_decode_frame(), txd_end(), txd_init(), ulti_decode_frame(), ulti_decode_init(), vc1_decode_end(), vc1_decode_frame(), vc1_decode_init(), vcr2_init_sequence(), vmdaudio_decode_frame(), vmdaudio_decode_init(), vmdvideo_decode_end(), vmdvideo_decode_frame(), vmdvideo_decode_init(), vorbis_decode_close(), vorbis_decode_frame(), vorbis_decode_init(), vorbis_encode_close(), vorbis_encode_frame(), vorbis_encode_init(), vp3_decode_end(), vp3_decode_frame(), vp3_decode_init(), vp56_decode_frame(), vp56_free(), vp56_init(), vp56_size_changed(), vp5_decode_init(), vp6_decode_init(), vqa_decode_end(), vqa_decode_frame(), vqa_decode_init(), wavpack_decode_frame(), wavpack_decode_init(), wma_decode_init(), wma_decode_superframe(), wmv2_decode_end(), wmv2_decode_init(), wmv2_encode_init(), X264_close(), X264_frame(), X264_init(), xan_decode_end(), xan_decode_frame(), and xan_decode_init().
profile
Definition at line 1958 of file avcodec.h.
Referenced by encode_init(), Faac_encode_init(), mpeg1_encode_sequence_header(), mpeg_decode_sequence_extension(), mpeg_decode_slice(), mxf_get_mpeg2_codec_ul(), and mxf_parse_mpeg2_frame().
float AVCodecContext::qblur |
amount of qscale smoothing over time (0.0-1.0)
Definition at line 1012 of file avcodec.h.
Referenced by add_codec(), ff_rate_control_init(), ff_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), init_pass2(), and X264_init().
amount of qscale change between easy & hard scenes (0.0-1.0)
Definition at line 1011 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), get_qscale(), and X264_init().
maximum quantizer
Definition at line 1026 of file avcodec.h.
Referenced by add_codec(), avcodec_string(), compute_status(), dnxhd_encode_rdo(), dnxhd_find_qscale(), dnxhd_init_qmat(), dnxhd_init_rc(), encode_thread(), ff_xvid_encode_init(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), init_pass2(), MPV_encode_init(), parse_ffconfig(), update_qscale(), and X264_init().
minimum quantizer
Definition at line 1019 of file avcodec.h.
Referenced by add_codec(), avcodec_string(), compute_status(), encode_thread(), ff_xvid_encode_init(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), init_pass2(), MPV_encode_init(), parse_ffconfig(), update_qscale(), and X264_init().
quantizer noise shaping
Definition at line 1880 of file avcodec.h.
Referenced by dct_quantize_refine(), and encode_mb_internal().
Definition at line 1309 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), and modify_qscale().
decoder bitstream buffer size
Definition at line 1308 of file avcodec.h.
Referenced by add_codec(), ff_vbv_update(), ff_xvid_rate_control_init(), ffm_read_header(), ffm_write_header(), init_pass2(), load_input_picture(), modify_qscale(), mov_write_esds_tag(), mpeg1_decode_sequence(), mpeg1_encode_sequence_header(), mpeg_decode_sequence_extension(), mpeg_mux_init(), MPV_encode_init(), MPV_encode_picture(), new_video_stream(), parse_ffconfig(), select_input_picture(), and X264_init().
const char* AVCodecContext::rc_eq |
rate control equation
Definition at line 1287 of file avcodec.h.
Referenced by add_codec(), ff_rate_control_init(), ffm_read_header(), ffm_write_header(), and get_qscale().
Number of bits which should be loaded into the rc buffer before decoding starts.
Definition at line 1842 of file avcodec.h.
Referenced by ff_rate_control_init(), ff_xvid_rate_control_init(), new_video_stream(), and X264_init().
initial complexity for pass1 ratecontrol
Definition at line 1332 of file avcodec.h.
Referenced by ff_rate_control_init().
Ratecontrol attempt to use, at maximum, of what can be used without an underflow.
Definition at line 2312 of file avcodec.h.
Referenced by modify_qscale(), and MPV_encode_picture().
maximum bitrate
Definition at line 1294 of file avcodec.h.
Referenced by add_codec(), ff_vbv_update(), ff_xvid_rate_control_init(), ffm_read_header(), ffm_write_header(), modify_qscale(), mov_write_esds_tag(), mpeg1_encode_sequence_header(), mpeg_mux_init(), MPV_encode_init(), MPV_encode_picture(), parse_ffconfig(), and X264_init().
minimum bitrate
Definition at line 1301 of file avcodec.h.
Referenced by ff_vbv_update(), ffm_read_header(), ffm_write_header(), modify_qscale(), mov_write_esds_tag(), MPV_encode_init(), MPV_encode_picture(), and parse_ffconfig().
Ratecontrol attempt to use, at least, times the amount needed to prevent a vbv overflow.
Definition at line 2319 of file avcodec.h.
Referenced by modify_qscale().
ratecontrol override, see RcOverride
Definition at line 1279 of file avcodec.h.
Referenced by get_qscale(), and new_video_stream().
Definition at line 1280 of file avcodec.h.
Referenced by get_qscale(), and new_video_stream().
Definition at line 1271 of file avcodec.h.
Referenced by modify_qscale().
Definition at line 1272 of file avcodec.h.
Referenced by modify_qscale().
ratecontrol qmin qmax limiting method 0-> clipping, 1-> use a nice continous function to limit qscale wthin qmin/qmax.
Definition at line 1269 of file avcodec.h.
Referenced by modify_qscale().
obsolete FIXME remove
Definition at line 1053 of file avcodec.h.
Referenced by ff_rate_control_init(), ff_rate_control_uninit(), and ff_rate_estimate_qscale().
Returns the real picture number of previous encoded frame.
Definition at line 1000 of file avcodec.h.
Referenced by MPV_encode_picture().
number of reference frames
Definition at line 2106 of file avcodec.h.
Referenced by decode_slice_header(), encode_init(), and X264_init().
int(* AVCodecContext::reget_buffer)(struct AVCodecContext *c, AVFrame *pic) |
Called at the beginning of a frame to get cr buffer for it.
Buffer type (size, hints) must be the same. libavcodec won't check it. libavcodec will pass previous buffer in pic, function should return same buffer or new buffer with old frame "painted" into it. If pic.data[0] == NULL must behave like get_buffer().
Referenced by aasc_decode_frame(), avcodec_get_context_defaults2(), avs_decode_frame(), bethsoftvid_decode_frame(), cinepak_decode_frame(), cinvideo_decode_frame(), decode_frame(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), ir2_decode_frame(), mp_decode_frame(), msrle_decode_frame(), msvideo1_decode_frame(), qtrle_decode_frame(), roq_decode_frame(), rpza_decode_frame(), seqvideo_decode_frame(), smc_decode_frame(), and truemotion1_decode_frame().
void(* AVCodecContext::release_buffer)(struct AVCodecContext *c, AVFrame *pic) |
Called to release buffers which were allocated with get_buffer.
A released buffer can be reused in get_buffer(). pic.data[*] must be set to NULL.
Referenced by aasc_decode_end(), alloc_picture(), avcodec_default_reget_buffer(), avcodec_get_context_defaults2(), bethsoftvid_decode_end(), bfi_decode_close(), bfi_decode_frame(), bmp_decode_end(), bmp_decode_frame(), cavs_decode_frame(), cinepak_decode_end(), cinvideo_decode_end(), cmv_decode_end(), cmv_decode_frame(), common_end(), cyuv_decode_frame(), decode_end(), decode_frame(), decode_pic(), dnxhd_decode_close(), dnxhd_decode_frame(), dvvideo_close(), encode_frame(), escape124_decode_close(), escape124_decode_frame(), ff_mjpeg_decode_sof(), ff_mpeg_flush(), flashsv_decode_end(), flashsv_decode_frame(), flic_decode_end(), free_picture(), gif_decode_close(), gif_decode_frame(), idcin_decode_end(), idcin_decode_frame(), indeo3_decode_frame(), ipvideo_decode_end(), ipvideo_decode_frame(), ir2_decode_frame(), libopenjpeg_decode_close(), libopenjpeg_decode_frame(), mimic_decode_end(), mimic_decode_frame(), mm_decode_end(), mp_decode_end(), MPV_frame_end(), MPV_frame_start(), msrle_decode_end(), msvideo1_decode_end(), pcx_decode_frame(), pcx_end(), pnm_decode_frame(), ptx_decode_frame(), ptx_end(), qtrle_decode_end(), rl2_decode_end(), rl2_decode_frame(), roq_decode_end(), roq_encode_end(), rpza_decode_end(), select_input_picture(), seqvideo_decode_end(), sgi_end(), smc_decode_end(), sunrast_decode_frame(), sunrast_end(), targa_end(), tgq_decode_end(), tgq_decode_frame(), tiff_decode_tag(), tiff_end(), tqi_decode_end(), tqi_decode_frame(), truemotion1_decode_end(), txd_decode_frame(), txd_end(), ulti_decode_frame(), vmdvideo_decode_end(), vmdvideo_decode_frame(), vp3_decode_end(), vp3_decode_frame(), vp56_decode_frame(), vp56_free(), vqa_decode_end(), vqa_decode_frame(), xan_decode_end(), and xan_decode_frame().
int64_t AVCodecContext::reordered_opaque |
opaque 64bit number (generally a PTS) that will be reordered and output in AVFrame.reordered_opaque
Definition at line 2283 of file avcodec.h.
Referenced by avcodec_default_get_buffer(), and video_thread().
Decoder should decode to this many channels if it can (0 for default)
Definition at line 2266 of file avcodec.h.
Referenced by ac3_decode_frame(), ac3_decode_init(), av_encode(), channel_setup(), dca_decode_frame(), dca_decode_init(), ff_aac_ac3_parse(), read_restart_header(), and stream_component_open().
void(* AVCodecContext::rtp_callback)(struct AVCodecContext *avctx, void *data, int size, int mb_nb) |
Referenced by encode_thread().
Definition at line 1070 of file avcodec.h.
Referenced by encode_thread(), and MPV_encode_init().
sample aspect ratio (0 if unknown) That is the width of a pixel divided by the height of the pixel.
Numerator and denominator must be relatively prime and smaller than 256 for some video standards.
Definition at line 1482 of file avcodec.h.
Referenced by av_write_header(), avcodec_get_context_defaults2(), avcodec_string(), decode_sequence_header_adv(), decode_slice_header(), decode_vol_header(), dump_stream_format(), dv_write_pack(), encode_init(), ff_xvid_encode_frame(), h263_decode_picture_header(), jpeg_put_comments(), mjpeg_decode_app(), mpeg1_encode_sequence_header(), mpeg_decode_postinit(), new_video_stream(), opt_input_file(), video_image_display(), and X264_init().
audio sample format
Definition at line 992 of file avcodec.h.
Referenced by aac_decode_init(), ac3_decode_init(), adpcm_decode_init(), adx_decode_init(), alac_decode_init(), alac_encode_init(), amr_decode_fix_avctx(), ape_decode_init(), atrac3_decode_init(), audio_decode_frame(), avcodec_get_context_defaults2(), avcodec_string(), cinaudio_decode_init(), cook_decode_init(), dca_decode_init(), decode_frame(), decode_init(), do_audio_out(), dpcm_decode_init(), eightsvx_decode_init(), faac_decode_init(), ff_flac_parse_streaminfo(), flac_decode_init(), flac_encode_init(), g726_init(), has_codec_parameters(), imc_decode_init(), libgsm_init(), libspeex_decode_init(), mace_decode_init(), mkv_write_tracks(), mlp_parse(), mpc7_decode_init(), mpc8_decode_init(), new_audio_stream(), opt_input_file(), output_data(), pcm_decode_frame(), pcm_decode_init(), pcm_encode_frame(), qcelp_decode_init(), qdm2_decode_init(), ra144_decode_init(), ra288_decode_init(), read_major_sync(), roq_dpcm_encode_init(), shorten_decode_init(), smka_decode_init(), truespeech_decode_init(), tta_decode_init(), vmdaudio_decode_init(), vorbis_decode_init(), wavpack_decode_init(), wma_decode_init(), and ws_snd_decode_init().
samples per second
Definition at line 984 of file avcodec.h.
Referenced by aac_decode_init(), aac_encode_init(), ac3_decode_frame(), AC3_encode_init(), add_audio_stream(), add_av_stream(), add_codec(), adx_decode_header(), adx_encode_header(), aiff_read_header(), alac_encode_init(), amf_parse_object(), amr_decode_fix_avctx(), amr_read_header(), apc_read_header(), ape_read_header(), atrac3_decode_init(), au_read_header(), audio_decode_frame(), audio_encode_example(), audio_read_header(), audio_read_packet(), audio_write_header(), av_encode(), av_write_header(), avcodec_string(), avisynth_read_header(), bfi_read_header(), cdata_read_header(), cin_read_header(), compute_frame_duration(), compute_status(), cook_decode_init(), create_audio_stream(), create_vorbis_context(), daud_header(), daud_write_header(), dca_decode_frame(), decode_frame(), decode_stream_header(), decode_wave_header(), do_audio_out(), dv_extract_audio_info(), dv_init_mux(), ea_read_header(), encode_init(), faac_decode_frame(), faac_decode_init(), Faac_encode_init(), faac_init_mp4(), ff_aac_ac3_parse(), ff_flac_parse_streaminfo(), ff_parse_specific_params(), ff_rtp_get_codec_info(), ff_wma_init(), ffm_read_header(), ffm_write_header(), film_read_header(), find_expected_header(), find_stream_in_feed(), flac_encode_init(), flac_header(), flv_read_packet(), flv_set_audio_codec(), flv_write_header(), fourxm_read_header(), g726_init(), get_aiff_header(), get_audio_clock(), get_audio_flags(), get_audio_frame_size(), get_codec_data(), get_sindex(), gxf_write_header(), has_codec_parameters(), idcin_read_header(), iff_read_header(), ipmovie_read_header(), iss_read_header(), libgsm_init(), libspeex_decode_init(), matroska_read_header(), mkv_write_tracks(), mlp_parse(), mm_read_header(), mmf_read_header(), mov_read_esds(), mov_read_stsd(), mov_read_trak(), mov_write_esds_tag(), mov_write_header(), mov_write_uuidprof_tag(), mp3_header_decompress(), MP3lame_encode_init(), MPA_encode_init(), mpc8_read_header(), mpc_read_header(), mpeg_mux_init(), mpegaudio_parse(), mpegps_read_packet(), mtv_read_header(), mxf_parse_structural_metadata(), mxf_write_generic_sound_common(), mxf_write_header(), mxf_write_wav_common(), new_audio_stream(), nsv_read_chunk(), nut_read_header(), ogg_write_header(), oggvorbis_encode_frame(), oggvorbis_init_encoder(), ogm_dshow_header(), ogm_header(), oma_read_header(), open_audio(), opt_input_file(), output_packet(), parse_ffconfig(), qdm2_decode_init(), r3d_read_reda(), read_header(), read_major_sync(), rl2_read_header(), rm_read_audio_stream_info(), rm_write_header(), roq_dpcm_encode_init(), roq_read_header(), rtp_parse_open(), rtp_write_header(), rv10_write_header(), sdp_parse_rtpmap(), seq_read_header(), smacker_read_header(), sol_read_header(), speex_header(), str_read_packet(), stream_component_open(), stream_cycle_channel(), swf_write_header(), synchronize_audio(), thp_read_header(), tta_decode_init(), tta_read_header(), vid_read_header(), vid_read_packet(), video_audio_display(), vmd_read_header(), vmdaudio_decode_init(), voc_get_packet(), voc_write_packet(), vorbis_decode_init(), vorbis_header(), wav_read_header(), wc3_read_header(), write_streamheader(), wsaud_read_header(), wsvqa_read_header(), wv_read_header(), and xa_read_header().
scene change detection threshold 0 is default, larger means fewer detected scene changes.
Definition at line 1796 of file avcodec.h.
Referenced by encode_frame(), encode_picture(), MPV_encode_init(), and X264_init().
Number of macroblock rows at the bottom which are skipped.
Definition at line 1951 of file avcodec.h.
Referenced by decode_chunks(), and ff_er_frame_end().
Definition at line 1093 of file avcodec.h.
Referenced by MPV_encode_picture().
Definition at line 2064 of file avcodec.h.
Referenced by decode_chunks(), decode_frame(), decode_nal_units(), ff_h263_decode_frame(), ff_rv34_decode_frame(), h261_decode_frame(), stream_component_open(), svq1_decode_frame(), svq3_decode_frame(), vc1_decode_frame(), and vp3_decode_frame().
Definition at line 2057 of file avcodec.h.
Referenced by MPV_decode_mb_internal(), and stream_component_open().
Definition at line 2050 of file avcodec.h.
Referenced by decode_sequence_header(), decode_slice_header(), stream_component_open(), vc1_decode_p_mb(), and vp56_mc().
Number of macroblock rows at the top which are skipped.
Definition at line 1944 of file avcodec.h.
Referenced by ff_er_add_slice(), and ff_er_frame_end().
slice count
Definition at line 1419 of file avcodec.h.
Referenced by ff_rv34_decode_frame(), get_slice_offset(), and rv10_decode_frame().
slice flags
Definition at line 1746 of file avcodec.h.
Referenced by ff_draw_horiz_band().
slice offsets in the frame in bytes
Definition at line 1425 of file avcodec.h.
Referenced by get_slice_offset().
spatial complexity masking (0-> disabled)
Definition at line 1367 of file avcodec.h.
Referenced by adaptive_quantization(), and MPV_encode_init().
char* AVCodecContext::stats_in |
pass2 encoding statistics input buffer Concatenated stuff from stats_out of pass1 should be placed here.
Definition at line 1261 of file avcodec.h.
Referenced by av_encode(), ff_rate_control_init(), and ff_xvid_encode_init().
pass1 encoding statistics output buffer
Definition at line 1253 of file avcodec.h.
Referenced by do_video_out(), encode_end(), encode_init(), ff_write_pass1_stats(), ff_xvid_encode_frame(), MPV_common_end(), MPV_common_init(), and output_packet().
unsigned int AVCodecContext::stream_codec_tag |
fourcc from the AVI stream header (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
This is used to work around some encoder bugs.
Definition at line 1788 of file avcodec.h.
Referenced by avi_read_header(), avisynth_read_header(), and MPV_common_init().
strictly follow the standard (MPEG4, .
..).
Definition at line 1178 of file avcodec.h.
Referenced by decode_frame(), encode_init(), ff_fix_long_p_mvs(), ff_get_best_fcode(), ffm_read_header(), ffm_write_header(), find_frame_rate_index(), libgsm_init(), mov_find_codec_tag(), mp3_header_compress(), MPV_encode_init(), and parse_ffconfig().
Some codecs need additional format info.
It is stored here. If any muxer uses this then ALL demuxers/parsers AND encoders for the specific codec MUST set it correctly otherwise stream copy breaks. In general use of this field by muxers is not recommanded.
Definition at line 891 of file avcodec.h.
Referenced by decode_frame(), dvbsub_init_decoder(), ff_mpa_decode_header(), mpeg1_decode_sequence(), mpeg_decode_postinit(), mpeg_decode_sequence_extension(), mpegvideo_extract_headers(), pmt_cb(), rv10_decode_init(), rv20_decode_picture_header(), and vcr2_init_sequence().
temporary complexity masking (0-> disabled)
Definition at line 1360 of file avcodec.h.
Referenced by adaptive_quantization(), and MPV_encode_init().
thread count is used to decide how many independent tasks should be passed to execute()
Definition at line 1888 of file avcodec.h.
Referenced by avcodec_thread_execute(), avcodec_thread_free(), avcodec_thread_init(), decode_chunks(), decode_nal_units(), decode_slice_header(), dnxhd_encode_end(), dnxhd_encode_fast(), dnxhd_encode_init(), dnxhd_encode_picture(), dnxhd_encode_rdo(), dnxhd_find_qscale(), dnxhd_load_picture(), dnxhd_setup_threads_slices(), encode_picture(), ff_er_add_slice(), ff_xvid_encode_init(), ffm_read_header(), ffm_write_header(), frame_start(), free_tables(), MPV_common_end(), MPV_common_init(), MPV_encode_init(), MPV_encode_picture(), new_audio_stream(), new_video_stream(), opt_input_file(), read_ffserver_streams(), stream_component_open(), worker(), and X264_init().
thread opaque Can be used by execute() to store some per AVCodecContext stuff.
Definition at line 1907 of file avcodec.h.
Referenced by avcodec_close(), avcodec_thread_execute(), avcodec_thread_free(), avcodec_thread_init(), and worker().
For some codecs, the time base is closer to the field rate than the frame rate.
Most notably, H.264 and MPEG-2 specify time_base as half of frame duration if no telecine is used ...
Set to time_base ticks per frame. Default 1, e.g., H.264/MPEG-2 set it to 2.
Definition at line 2335 of file avcodec.h.
Referenced by av_encode(), av_find_stream_info(), compute_pkt_fields2(), decode_init(), mpeg_decode_postinit(), and output_packet().
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented.
For fixed-fps content, timebase should be 1/framerate and timestamp increments should be identically 1.
Definition at line 924 of file avcodec.h.
Referenced by add_av_stream(), add_codec(), add_video_stream(), av_encode(), av_find_stream_info(), av_write_header(), avcodec_get_context_defaults2(), avcodec_string(), avi_write_header(), avs_read_packet(), cmv_process_header(), compute_frame_duration(), compute_pkt_fields(), compute_pkt_fields2(), compute_status(), dc1394_read_common(), decode_init(), decode_seq_header(), decode_sequence_header_adv(), decode_slice_header(), decode_vol_header(), decode_vop_header(), do_audio_out(), do_video_out(), do_video_stats(), dump_stream_format(), dv_extract_video_info(), ea_read_header(), encode_ext_header(), encode_init(), estimate_best_b_count(), ff_dirac_schro_get_video_format_idx(), ff_h261_encode_picture_header(), ff_parse_specific_params(), ff_rate_control_init(), ff_rate_estimate_qscale(), ff_rm_read_mdpr_codecdata(), ff_vbv_update(), ff_xvid_encode_init(), ff_xvid_rate_control_init(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), find_frame_rate_index(), flv_write_header(), get_watermark_picture(), gif_write_video(), grab_read_header(), gxf_write_header(), gxf_write_media_preamble(), h261_decode_picture_header(), h263_decode_picture_header(), init_pass2(), libdirac_decode_frame(), libdirac_encode_init(), libschroedinger_encode_init(), libschroedinger_handle_first_access_unit(), matroska_read_header(), modify_qscale(), mov_write_header(), mov_write_uuidprof_tag(), mpeg_decode_postinit(), mpegvideo_extract_headers(), mpegvideo_parse(), MPV_encode_init(), mxf_write_header(), new_audio_stream(), new_video_stream(), ogg_write_header(), oggvorbis_encode_frame(), ogm_dshow_header(), ogm_header(), opt_input_file(), opt_target(), output_packet(), output_picture2(), parse_ffconfig(), r3d_read_rdvo(), r3d_read_red1(), r3d_read_redv(), r3d_seek(), rm_write_header(), rtp_write_header(), set_frame_distances(), show_pict_info(), swf_read_packet(), swf_write_header(), tb_unreliable(), tgq_decode_init(), tgv_decode_init(), theora_header(), tqi_decode_init(), txd_read_header(), v4l2_read_header(), vfw_read_header(), video_encode_example(), write_audio_frame(), write_video_frame(), x11grab_read_header(), X264_init(), and xvid_correct_framerate().
GOP timecode frame start number, in non drop frame format
Definition at line 2257 of file avcodec.h.
Referenced by mpeg1_encode_sequence_header().
trellis RD quantization
Definition at line 2127 of file avcodec.h.
Referenced by encode_block(), encode_end(), encode_init(), ff_xvid_encode_init(), MPV_encode_init(), and X264_init().
Sets whether to use LPC mode - used by FLAC encoder.
Definition at line 2212 of file avcodec.h.
Referenced by flac_encode_init().
explicit P-frame weighted prediction analysis method 0: off 1: fast blind weighting (one reference duplicate with -1 offset) 2: smart weighting (full fade detection analysis)
Definition at line 2345 of file avcodec.h.
Referenced by X264_init().
picture width / height.
Definition at line 934 of file avcodec.h.
Referenced by aasc_decode_frame(), add_av_stream(), add_codec(), add_video_stream(), alloc_blocks(), alloc_picture(), asf_read_header(), asf_write_header1(), av_encode(), av_write_header(), avcodec_default_get_buffer(), avcodec_default_reget_buffer(), avcodec_encode_video(), avcodec_open(), avcodec_set_dimensions(), avcodec_string(), avi_read_header(), avi_write_header(), avisynth_read_header(), avs_read_packet(), bethsoftvid_decode_frame(), bfi_decode_frame(), bfi_decode_init(), bfi_read_header(), bmp_decode_frame(), bmp_encode_frame(), cin_read_header(), cinepak_decode(), cinepak_decode_init(), cinvideo_decode_frame(), cinvideo_decode_init(), cmv_decode_inter(), cmv_decode_intra(), cmv_process_header(), codec_reinit(), common_init(), common_init_after_header(), compute_status(), cyuv_decode_init(), dc1394_read_common(), decode_13(), decode_frame(), decode_i2_frame(), decode_i_frame(), decode_init(), decode_p_frame(), decode_seq_header(), decode_sequence_header_adv(), decode_slice_header(), decode_stream_header(), dnxhd_encode_init(), dnxhd_write_header(), do_video_out(), do_video_stats(), dump_stream_format(), dv_codec_profile(), dv_extract_video_info(), dv_write_pack(), dxa_read_header(), ea_read_header(), encode_frame(), encode_init(), encode_picture_ls(), escape124_decode_frame(), escape124_decode_init(), estimate_best_b_count(), ff_ccitt_unpack(), ff_dirac_schro_get_video_format_idx(), ff_dnxhd_find_cid(), ff_pnm_decode_header(), ff_print_debug_info(), ff_rm_read_mdpr_codecdata(), ff_rv34_decode_init(), ff_xvid_encode_init(), ffm_read_header(), ffm_write_header(), film_read_header(), find_stream_in_feed(), flashsv_decode_frame(), flashsv_encode_init(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), flic_read_header(), fourxm_read_header(), frame_start(), get_watermark_picture(), gif_encode_frame(), gif_write_header(), gif_write_video(), grab_read_header(), halfpel_interpol(), has_codec_parameters(), idcin_decode_vlcs(), idcin_read_header(), img_read_header(), img_read_packet(), indeo3_decode_init(), ipmovie_read_header(), ipvideo_decode_init(), ipvideo_decode_opcodes(), ir2_decode_frame(), libdirac_decode_frame(), libdirac_encode_frame(), libdirac_encode_init(), libschroedinger_decode_frame(), libschroedinger_encode_init(), libschroedinger_frame_from_data(), libschroedinger_handle_first_access_unit(), matroska_read_header(), mimic_decode_frame(), mkv_write_tracks(), mm_decode_init(), mm_decode_intra(), mm_read_header(), mov_read_stsd(), mov_read_trak(), mov_write_avid_tag(), mov_write_header(), mov_write_tkhd_tag(), mov_write_uuidprof_tag(), mov_write_video_tag(), mp_decode_frame(), mp_decode_frame_helper(), mp_decode_init(), mp_decode_line(), mp_read_changes_map(), MPV_encode_init(), msrle_decode_pal4(), msvideo1_decode_16bit(), msvideo1_decode_8bit(), mtv_read_header(), mxf_parse_mpeg2_frame(), mxf_parse_structural_metadata(), mxf_write_cdci_common(), new_video_stream(), nsv_parse_NSVs_header(), nut_read_header(), nuv_header(), ogm_dshow_header(), ogm_header(), open_video(), opt_input_file(), output_packet(), pam_encode_frame(), parse_ffconfig(), parse_h264_sdp_line(), pcx_decode_frame(), pnm_decode_frame(), pnm_encode_frame(), pnm_parse(), pre_process_video_frame(), print_report(), ptx_decode_frame(), qtrle_encode_frame(), qtrle_encode_init(), qtrle_encode_line(), queue_picture(), r3d_read_red1(), raw_decode(), raw_encode(), raw_init_decoder(), read_header(), rl2_decode_init(), rl2_read_header(), rl2_rle_decode(), roq_decode_frame(), roq_decode_init(), roq_encode_init(), roq_read_header(), rpl_read_header(), rpza_decode_stream(), rv10_decode_init(), rv10_write_header(), rv20_decode_picture_header(), seq_read_header(), siff_parse_vbv1(), smacker_read_header(), smc_decode_stream(), sp5x_decode_frame(), str_read_packet(), sunrast_decode_frame(), svq1_decode_init(), svq1_encode_end(), svq1_encode_init(), svq3_decode_init(), swf_write_header(), swf_write_video(), targa_encode_frame(), tgq_decode_frame(), tgv_decode_frame(), tgv_decode_inter(), theora_header(), thp_read_header(), tiff_decode_tag(), tm2_decode_blocks(), tqi_decode_frame(), truemotion1_decode_16bit(), truemotion1_decode_24bit(), truemotion1_decode_header(), truemotion1_decode_init(), txd_decode_frame(), ulti_decode_init(), v4l2_read_header(), vb_decode_framedata(), vc1_decode_init(), vc1t_read_header(), vc1test_write_header(), vfw_read_header(), vid_read_header(), vid_read_packet(), video_decode_example(), video_encode_example(), video_image_display(), video_open(), vmd_decode(), vp3_decode_init(), vp6_parse_header(), wc3_read_header(), write_streamheader(), write_video_frame(), wsvqa_read_header(), x11grab_read_header(), X264_init(), xan_decode_init(), xan_wc3_copy_pixel_run(), xan_wc3_decode_frame(), xan_wc3_output_pixel_run(), yuv4_read_header(), yuv4_read_packet(), and zmbv_me().
Work around bugs in encoders which sometimes cannot be detected automatically.
Definition at line 1134 of file avcodec.h.
Referenced by decode_init(), ff_h263_decode_init(), ff_mpeg4_set_direct_mv(), and stream_component_open().
XVideo Motion Acceleration
Definition at line 1756 of file avcodec.h.
Referenced by ff_er_frame_end(), ff_xvmc_decode_mb(), is_intra_more_likely(), mpeg_decode_mb(), mpeg_decode_slice(), mpeg_field_start(), mpeg_get_pixelformat(), MPV_decode_mb_internal(), MPV_frame_end(), and slice_end().