41 int src_x, src_y, motion_x, motion_y;
51 src_x = av_clip(src_x, -16, s->
width);
52 if (src_x == s->
width)
54 src_y = av_clip(src_y, -16, s->
height);
61 ptr = ref_picture[0] + src_y * linesize + src_x;
73 if ((motion_x | motion_y) & 7) {
74 s->
mdsp.
gmc1(dest_y, ptr, linesize, 16,
75 motion_x & 15, motion_y & 15, 128 - s->
no_rounding);
76 s->
mdsp.
gmc1(dest_y + 8, ptr + 8, linesize, 16,
77 motion_x & 15, motion_y & 15, 128 - s->
no_rounding);
81 dxy = ((motion_x >> 3) & 1) | ((motion_y >> 2) & 2);
98 src_x = av_clip(src_x, -8, s->
width >> 1);
99 if (src_x == s->
width >> 1)
101 src_y = av_clip(src_y, -8, s->
height >> 1);
102 if (src_y == s->
height >> 1)
106 ptr = ref_picture[1] + offset;
110 uvlinesize, uvlinesize,
117 s->
mdsp.
gmc1(dest_cb, ptr, uvlinesize, 8,
118 motion_x & 15, motion_y & 15, 128 - s->
no_rounding);
120 ptr = ref_picture[2] + offset;
123 uvlinesize, uvlinesize,
129 s->
mdsp.
gmc1(dest_cr, ptr, uvlinesize, 8,
130 motion_x & 15, motion_y & 15, 128 - s->
no_rounding);
145 ptr = ref_picture[0];
152 s->
mdsp.
gmc(dest_y, ptr, linesize, 16,
158 s->
mdsp.
gmc(dest_y + 8, ptr, linesize, 16,
174 ptr = ref_picture[1];
175 s->
mdsp.
gmc(dest_cb, ptr, uvlinesize, 8,
182 ptr = ref_picture[2];
183 s->
mdsp.
gmc(dest_cr, ptr, uvlinesize, 8,
193 int src_x,
int src_y,
195 int motion_x,
int motion_y)
200 src_x += motion_x >> 1;
201 src_y += motion_y >> 1;
204 src_x = av_clip(src_x, -16, s->
width);
205 if (src_x != s->
width)
207 src_y = av_clip(src_y, -16, s->
height);
209 dxy |= (motion_y & 1) << 1;
244 uint8_t *ptr_y, *ptr_cb, *ptr_cr;
245 int dxy, uvdxy, mx, my, src_x, src_y,
260 dxy = ((motion_y & 1) << 1) | (motion_x & 1);
261 src_x = s->
mb_x * 16 + (motion_x >> 1);
262 src_y = (mb_y << (4 - field_based)) + (motion_y >> 1);
266 mx = (motion_x >> 1) | (motion_x & 1);
268 uvdxy = ((my & 1) << 1) | (mx & 1);
269 uvsrc_x = s->
mb_x * 8 + (mx >> 1);
270 uvsrc_y = (mb_y << (3 - field_based)) + (my >> 1);
272 uvdxy = dxy | (motion_y & 2) | ((motion_x & 2) >> 1);
273 uvsrc_x = src_x >> 1;
274 uvsrc_y = src_y >> 1;
281 uvsrc_x = s->
mb_x * 8 + mx;
282 uvsrc_y = mb_y * 8 + my;
287 uvdxy = ((my & 1) << 1) | (mx & 1);
288 uvsrc_x = s->
mb_x * 8 + (mx >> 1);
289 uvsrc_y = (mb_y << (3 - field_based)) + (my >> 1);
294 uvdxy = ((motion_y & 1) << 1) | (mx & 1);
295 uvsrc_x = s->
mb_x * 8 + (mx >> 1);
306 ptr_y = ref_picture[0] + src_y * linesize + src_x;
307 ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x;
308 ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x;
311 (unsigned)src_y >
FFMAX(v_edge_pos - (motion_y & 1) - h, 0)) {
316 "MPEG motion vector out of boundary (%d %d)\n", src_x,
322 17, 17 + field_based,
323 src_x, src_y << field_based,
331 uvsrc_x, uvsrc_y << field_based,
336 uvsrc_x, uvsrc_y << field_based,
357 pix_op[0][dxy](dest_y, ptr_y,
linesize, h);
373 int field_select,
uint8_t **ref_picture,
375 int motion_x,
int motion_y,
int h,
int mb_y)
380 field_select, ref_picture, pix_op,
381 motion_x, motion_y, h, 1, mb_y);
385 field_select, ref_picture, pix_op,
386 motion_x, motion_y, h, 0, mb_y);
391 int bottom_field,
int field_select,
394 int motion_x,
int motion_y,
int h,
int mb_y)
399 bottom_field, field_select, ref_picture, pix_op,
400 motion_x, motion_y, h, 1, mb_y);
404 bottom_field, field_select, ref_picture, pix_op,
405 motion_x, motion_y, h, 0, mb_y);
416 uint8_t *
const bottom = src[4];
417 #define OBMC_FILTER(x, t, l, m, r, b)\
418 dst[x]= (t*top[x] + l*left[x] + m*mid[x] + r*right[x] + b*bottom[x] + 4)>>3
419 #define OBMC_FILTER4(x, t, l, m, r, b)\
420 OBMC_FILTER(x , t, l, m, r, b);\
421 OBMC_FILTER(x+1 , t, l, m, r, b);\
422 OBMC_FILTER(x +stride, t, l, m, r, b);\
423 OBMC_FILTER(x+1+stride, t, l, m, r, b);
464 int src_x,
int src_y,
474 for (i = 0; i < 5; i++) {
475 if (i && mv[i][0] == mv[
MID][0] && mv[i][1] == mv[
MID][1]) {
492 int field_based,
int bottom_field,
493 int field_select,
uint8_t **ref_picture,
496 int motion_x,
int motion_y,
int h)
498 uint8_t *ptr_y, *ptr_cb, *ptr_cr;
499 int dxy, uvdxy, mx, my, src_x, src_y, uvsrc_x, uvsrc_y,
v_edge_pos;
502 dxy = ((motion_y & 3) << 2) | (motion_x & 3);
504 src_x = s->
mb_x * 16 + (motion_x >> 2);
505 src_y = s->
mb_y * (16 >> field_based) + (motion_y >> 2);
508 linesize = s->
linesize << field_based;
515 static const int rtab[8] = { 0, 0, 1, 1, 0, 0, 0, 1 };
516 mx = (motion_x >> 1) + rtab[motion_x & 7];
517 my = (motion_y >> 1) + rtab[motion_y & 7];
519 mx = (motion_x >> 1) | (motion_x & 1);
520 my = (motion_y >> 1) | (motion_y & 1);
525 mx = (mx >> 1) | (mx & 1);
526 my = (my >> 1) | (my & 1);
528 uvdxy = (mx & 1) | ((my & 1) << 1);
532 uvsrc_x = s->
mb_x * 8 + mx;
533 uvsrc_y = s->
mb_y * (8 >> field_based) + my;
535 ptr_y = ref_picture[0] + src_y * linesize + src_x;
536 ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x;
537 ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x;
540 (unsigned)src_y >
FFMAX(v_edge_pos - (motion_y & 3) - h, 0)) {
543 17, 17 + field_based,
544 src_x, src_y << field_based,
552 uvsrc_x, uvsrc_y << field_based,
557 uvsrc_x, uvsrc_y << field_based,
565 qpix_op[0][dxy](dest_y, ptr_y,
linesize);
580 qpix_op[1][dxy](dest_y, ptr_y,
linesize);
581 qpix_op[1][dxy](dest_y + 8, ptr_y + 8,
linesize);
584 pix_op[1][uvdxy](dest_cr, ptr_cr,
uvlinesize, h >> 1);
585 pix_op[1][uvdxy](dest_cb, ptr_cb,
uvlinesize, h >> 1);
599 int src_x, src_y, dxy, emu = 0;
607 dxy = ((my & 1) << 1) | (mx & 1);
611 src_x = s->
mb_x * 8 + mx;
612 src_y = s->
mb_y * 8 + my;
613 src_x = av_clip(src_x, -8, (s->
width >> 1));
614 if (src_x == (s->
width >> 1))
616 src_y = av_clip(src_y, -8, (s->
height >> 1));
617 if (src_y == (s->
height >> 1))
621 ptr = ref_picture[1] + offset;
622 if ((
unsigned)src_x >
FFMAX((s->
h_edge_pos >> 1) - (dxy & 1) - 8, 0) ||
633 ptr = ref_picture[2] + offset;
649 const int mx = (s->
mv[dir][0][0] >> shift) + 16 * s->
mb_x + 8;
650 const int my = (s->
mv[dir][0][1] >> shift) + 16 * s->
mb_y;
651 int off = mx + (my + (s->
mb_x & 3) * 4) * s->
linesize + 64;
654 off = (mx >> 1) + ((my >> 1) + (s->
mb_x & 7)) * s->
uvlinesize + 64;
669 const int xy = mb_x + mb_y * s->
mb_stride;
671 const int mot_xy = mb_x * 2 + mb_y * 2 * mot_stride;
680 cur_frame->
motion_val[0][mot_xy + mot_stride]);
682 cur_frame->
motion_val[0][mot_xy + mot_stride + 1]);
685 cur_frame->
motion_val[0][mot_xy + mot_stride]);
687 cur_frame->
motion_val[0][mot_xy + mot_stride + 1]);
690 AV_COPY32(mv_cache[0][1], mv_cache[1][1]);
691 AV_COPY32(mv_cache[0][2], mv_cache[1][2]);
694 cur_frame->
motion_val[0][mot_xy - mot_stride]);
696 cur_frame->
motion_val[0][mot_xy - mot_stride + 1]);
700 AV_COPY32(mv_cache[1][0], mv_cache[1][1]);
701 AV_COPY32(mv_cache[2][0], mv_cache[2][1]);
705 cur_frame->
motion_val[0][mot_xy - 1 + mot_stride]);
709 AV_COPY32(mv_cache[1][3], mv_cache[1][2]);
710 AV_COPY32(mv_cache[2][3], mv_cache[2][2]);
714 cur_frame->
motion_val[0][mot_xy + 2 + mot_stride]);
719 for (i = 0; i < 4; i++) {
720 const int x = (i & 1) + 1;
721 const int y = (i >> 1) + 1;
723 { mv_cache[y][x][0], mv_cache[y][x][1] },
724 { mv_cache[y - 1][x][0], mv_cache[y - 1][x][1] },
725 { mv_cache[y][x - 1][0], mv_cache[y][x - 1][1] },
726 { mv_cache[y][x + 1][0], mv_cache[y][x + 1][1] },
727 { mv_cache[y + 1][x][0], mv_cache[y + 1][x][1] }
732 mb_x * 16 + (i & 1) * 8, mb_y * 16 + (i >> 1) * 8,
741 ref_picture, pix_op[1],
754 int dxy, mx, my, src_x, src_y;
763 for (i = 0; i < 4; i++) {
764 int motion_x = s->
mv[dir][i][0];
765 int motion_y = s->
mv[dir][i][1];
767 dxy = ((motion_y & 3) << 2) | (motion_x & 3);
768 src_x = mb_x * 16 + (motion_x >> 2) + (i & 1) * 8;
769 src_y = mb_y * 16 + (motion_y >> 2) + (i >> 1) * 8;
772 src_x = av_clip(src_x, -16, s->
width);
773 if (src_x == s->
width)
775 src_y = av_clip(src_y, -16, s->
height);
779 ptr = ref_picture[0] + (src_y * s->
linesize) + (src_x);
790 dest = dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->
linesize;
791 qpix_op[1][dxy](dest, ptr, s->
linesize);
793 mx += s->
mv[dir][i][0] / 2;
794 my += s->
mv[dir][i][1] / 2;
797 for (i = 0; i < 4; i++) {
799 dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->
linesize,
801 mb_x * 16 + (i & 1) * 8,
802 mb_y * 16 + (i >> 1) * 8,
807 mx += s->
mv[dir][i][0];
808 my += s->
mv[dir][i][1];
814 ref_picture, pix_op[1], mx, my);
845 apply_obmc(s, dest_y, dest_cb, dest_cr, ref_picture, pix_op);
862 ref_picture, pix_op, qpix_op,
863 s->
mv[dir][0][0], s->
mv[dir][0][1], 16);
868 s->
mv[dir][0][0], s->
mv[dir][0][1], 16);
872 s->
mv[dir][0][0], s->
mv[dir][0][1], 16, mb_y);
878 dir, ref_picture, qpix_op, pix_op);
883 for (i = 0; i < 2; i++)
886 ref_picture, pix_op, qpix_op,
887 s->
mv[dir][i][0], s->
mv[dir][i][1], 8);
893 s->
mv[dir][0][0], s->
mv[dir][0][1], 8, mb_y);
898 s->
mv[dir][1][0], s->
mv[dir][1][1], 8, mb_y);
909 s->
mv[dir][0][0], s->
mv[dir][0][1], 16, mb_y >> 1);
913 for (i = 0; i < 2; i++) {
918 ref2picture = ref_picture;
926 s->
mv[dir][i][0], s->
mv[dir][i][1] + 16 * i,
936 for (i = 0; i < 2; i++) {
938 for (j = 0; j < 2; j++)
940 j, j ^ i, ref_picture, pix_op,
941 s->
mv[dir][2 * i + j][0],
942 s->
mv[dir][2 * i + j][1], 8, mb_y);
946 for (i = 0; i < 2; i++) {
950 s->
mv[dir][2 * i][0], s->
mv[dir][2 * i][1],
978 ref_picture, pix_op, qpix_op, 1);
982 ref_picture, pix_op, qpix_op, 0);
void ff_mpv_motion(MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int dir, uint8_t **ref_picture, op_pixels_func(*pix_op)[4], qpel_mc_func(*qpix_op)[16])
void(* prefetch)(uint8_t *buf, ptrdiff_t stride, int h)
Prefetch memory into cache (if supported by hardware).
static void gmc_motion(MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, uint8_t **ref_picture)
#define MV_TYPE_FIELD
2 vectors, one per field
int sprite_warping_accuracy
op_pixels_func avg_pixels_tab[4][4]
Halfpel motion compensation with rounding (a+b+1)>>1.
int v_edge_pos
horizontal / vertical position of the right/bottom edge (pixel replication)
#define FF_BUG_HPEL_CHROMA
int obmc
overlapped block motion compensation
int real_sprite_warping_points
void(* qpel_mc_func)(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
#define CONFIG_WMV2_DECODER
#define CONFIG_WMV2_ENCODER
static void chroma_4mv_motion(MpegEncContext *s, uint8_t *dest_cb, uint8_t *dest_cr, uint8_t **ref_picture, op_pixels_func *pix_op, int mx, int my)
h263 chroma 4mv motion compensation.
enum OutputFormat out_format
output format
int no_rounding
apply no rounding to motion compensation (MPEG4, msmpeg4, ...) for b-frames rounding mode is always 0...
Picture current_picture
copy of the current picture structure.
#define FF_BUG_QPEL_CHROMA2
#define CONFIG_H261_ENCODER
int sprite_offset[2][2]
sprite offset[isChroma][isMVY]
#define LOCAL_ALIGNED_8(t, v,...)
void(* gmc)(uint8_t *dst, uint8_t *src, int stride, int h, int ox, int oy, int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height)
global motion compensation.
static void prefetch_motion(MpegEncContext *s, uint8_t **pix, int dir)
static int ff_h263_round_chroma(int x)
int mb_skipped
MUST BE SET only during DECODING.
void(* gmc1)(uint8_t *dst, uint8_t *src, int srcStride, int h, int x16, int y16, int rounder)
translational global motion compensation.
int unrestricted_mv
mv can point outside of the coded picture
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
uint8_t * edge_emu_buffer
temporary buffer for if MVs point to out-of-frame data
void av_log(void *avcl, int level, const char *fmt,...)
int quarter_sample
1->qpel, 0->half pel ME/MC
common internal API header
int sprite_delta[2][2]
sprite_delta [isY][isMVY]
void(* op_pixels_func)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
int16_t(*[2] motion_val)[2]
Picture * current_picture_ptr
pointer to the current picture
void ff_mspel_motion(MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, uint8_t **ref_picture, op_pixels_func(*pix_op)[4], int motion_x, int motion_y, int h)
static void gmc1_motion(MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, uint8_t **ref_picture)
#define FF_BUG_QPEL_CHROMA
preferred ID for MPEG-1/2 video decoding
static av_always_inline void mpeg_motion_internal(MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int field_based, int bottom_field, int field_select, uint8_t **ref_picture, op_pixels_func(*pix_op)[4], int motion_x, int motion_y, int h, int is_mpeg12, int mb_y)
#define OBMC_FILTER4(x, t, l, m, r, b)
int first_field
is 1 for the first field of a field picture 0 otherwise
static const int8_t mv[256][2]
static av_always_inline void mpv_motion_internal(MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int dir, uint8_t **ref_picture, op_pixels_func(*pix_op)[4], qpel_mc_func(*qpix_op)[16], int is_mpeg12)
motion compensation of a single macroblock
#define MV_TYPE_16X16
1 vector for the whole mb
Libavcodec external API header.
ptrdiff_t linesize
line size, in bytes, may be different from width
static void mpeg_motion_field(MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int bottom_field, int field_select, uint8_t **ref_picture, op_pixels_func(*pix_op)[4], int motion_x, int motion_y, int h, int mb_y)
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
int height
picture size. must be a multiple of 16
op_pixels_func put_pixels_tab[4][4]
Halfpel motion compensation with rounding (a+b+1)>>1.
#define MV_TYPE_16X8
2 vectors, one per 16x8 block
op_pixels_func put_no_rnd_pixels_tab[2][4]
Halfpel motion compensation with no rounding (a+b)>>1.
ptrdiff_t uvlinesize
line size, for chroma in bytes, may be different from width
static void mpeg_motion(MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int field_select, uint8_t **ref_picture, op_pixels_func(*pix_op)[4], int motion_x, int motion_y, int h, int mb_y)
int pict_type
AV_PICTURE_TYPE_I, AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, ...
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
int mv[2][4][2]
motion vectors for a macroblock first coordinate : 0 = forward 1 = backward second " : depend...
int b8_stride
2*mb_width+1 used for some 8x8 block arrays to allow simple addressing
struct AVCodecContext * avctx
static void qpel_motion(MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int field_based, int bottom_field, int field_select, uint8_t **ref_picture, op_pixels_func(*pix_op)[4], qpel_mc_func(*qpix_op)[16], int motion_x, int motion_y, int h)
int mb_stride
mb_width+1 used for some arrays to allow simple addressing of left & top MBs without sig11 ...
#define CODEC_FLAG_GRAY
Only decode/encode grayscale.
uint8_t * obmc_scratchpad
#define MV_TYPE_DMV
2 vectors, special mpeg2 Dual Prime Vectors
static void apply_obmc(MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, uint8_t **ref_picture, op_pixels_func(*pix_op)[4])
int flags
AVCodecContext.flags (HQ, MV4, ...)
uint32_t * mb_type
types and macros are defined in mpegutils.h
int workaround_bugs
workaround bugs in encoders which cannot be detected automatically
void ff_h261_loop_filter(MpegEncContext *s)
static int hpel_motion(MpegEncContext *s, uint8_t *dest, uint8_t *src, int src_x, int src_y, op_pixels_func *pix_op, int motion_x, int motion_y)
static void obmc_motion(MpegEncContext *s, uint8_t *dest, uint8_t *src, int src_x, int src_y, op_pixels_func *pix_op, int16_t mv[5][2])
#define MV_TYPE_8X8
4 vectors (h263, mpeg4 4MV)
static void apply_8x8(MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int dir, uint8_t **ref_picture, qpel_mc_func(*qpix_op)[16], op_pixels_func(*pix_op)[4])
#define CONFIG_H261_DECODER
void(* emulated_edge_mc)(uint8_t *buf, const uint8_t *src, ptrdiff_t buf_linesize, ptrdiff_t src_linesize, int block_w, int block_h, int src_x, int src_y, int w, int h)
Copy a rectangular area of samples to a temporary buffer and replicate the border samples...
static void put_obmc(uint8_t *dst, uint8_t *src[5], int stride)
#define OBMC_FILTER(x, t, l, m, r, b)