42 int src_x, src_y, motion_x, motion_y;
52 src_x = av_clip(src_x, -16, s->
width);
53 if (src_x == s->
width)
55 src_y = av_clip(src_y, -16, s->
height);
62 ptr = ref_picture[0] + src_y * linesize + src_x;
74 if ((motion_x | motion_y) & 7) {
75 s->
mdsp.
gmc1(dest_y, ptr, linesize, 16,
76 motion_x & 15, motion_y & 15, 128 - s->
no_rounding);
77 s->
mdsp.
gmc1(dest_y + 8, ptr + 8, linesize, 16,
78 motion_x & 15, motion_y & 15, 128 - s->
no_rounding);
82 dxy = ((motion_x >> 3) & 1) | ((motion_y >> 2) & 2);
99 src_x = av_clip(src_x, -8, s->
width >> 1);
100 if (src_x == s->
width >> 1)
102 src_y = av_clip(src_y, -8, s->
height >> 1);
103 if (src_y == s->
height >> 1)
107 ptr = ref_picture[1] + offset;
111 uvlinesize, uvlinesize,
118 s->
mdsp.
gmc1(dest_cb, ptr, uvlinesize, 8,
119 motion_x & 15, motion_y & 15, 128 - s->
no_rounding);
121 ptr = ref_picture[2] + offset;
124 uvlinesize, uvlinesize,
130 s->
mdsp.
gmc1(dest_cr, ptr, uvlinesize, 8,
131 motion_x & 15, motion_y & 15, 128 - s->
no_rounding);
146 ptr = ref_picture[0];
153 s->
mdsp.
gmc(dest_y, ptr, linesize, 16,
159 s->
mdsp.
gmc(dest_y + 8, ptr, linesize, 16,
175 ptr = ref_picture[1];
176 s->
mdsp.
gmc(dest_cb, ptr, uvlinesize, 8,
183 ptr = ref_picture[2];
184 s->
mdsp.
gmc(dest_cr, ptr, uvlinesize, 8,
194 int src_x,
int src_y,
196 int motion_x,
int motion_y)
201 src_x += motion_x >> 1;
202 src_y += motion_y >> 1;
205 src_x = av_clip(src_x, -16, s->
width);
206 if (src_x != s->
width)
208 src_y = av_clip(src_y, -16, s->
height);
210 dxy |= (motion_y & 1) << 1;
228 int src_x,
int src_y,
229 int uvsrc_x,
int uvsrc_y,
237 17, 17 + field_based,
238 src_x, src_y * (1 << field_based),
246 uvsrc_x, uvsrc_y * (1 << field_based),
251 uvsrc_x, uvsrc_y * (1 << field_based),
254 *ptr_cr = uvbuf + 16;
274 uint8_t *ptr_y, *ptr_cb, *ptr_cr;
275 int dxy, uvdxy, mx, my, src_x, src_y,
283 dxy = ((motion_y & 1) << 1) | (motion_x & 1);
284 src_x = s->
mb_x * 16 + (motion_x >> 1);
285 src_y = (mb_y << (4 - field_based)) + (motion_y >> 1);
289 mx = (motion_x >> 1) | (motion_x & 1);
291 uvdxy = ((my & 1) << 1) | (mx & 1);
292 uvsrc_x = s->
mb_x * 8 + (mx >> 1);
293 uvsrc_y = (mb_y << (3 - field_based)) + (my >> 1);
295 uvdxy = dxy | (motion_y & 2) | ((motion_x & 2) >> 1);
296 uvsrc_x = src_x >> 1;
297 uvsrc_y = src_y >> 1;
304 uvsrc_x = s->
mb_x * 8 + mx;
305 uvsrc_y = mb_y * 8 + my;
310 uvdxy = ((my & 1) << 1) | (mx & 1);
311 uvsrc_x = s->
mb_x * 8 + (mx >> 1);
312 uvsrc_y = (mb_y << (3 - field_based)) + (my >> 1);
317 uvdxy = ((motion_y & 1) << 1) | (mx & 1);
318 uvsrc_x = s->
mb_x * 8 + (mx >> 1);
329 ptr_y = ref_picture[0] + src_y * linesize + src_x;
330 ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x;
331 ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x;
334 (unsigned)src_y >
FFMAX(v_edge_pos - (motion_y & 1) - h, 0)) {
339 "MPEG motion vector out of boundary (%d %d)\n", src_x,
344 &ptr_y, &ptr_cb, &ptr_cr);
361 pix_op[0][dxy](dest_y, ptr_y,
linesize, h);
377 int field_select,
uint8_t **ref_picture,
379 int motion_x,
int motion_y,
int h,
int mb_y)
384 field_select, ref_picture, pix_op,
385 motion_x, motion_y, h, 1, mb_y);
389 field_select, ref_picture, pix_op,
390 motion_x, motion_y, h, 0, mb_y);
395 int bottom_field,
int field_select,
398 int motion_x,
int motion_y,
int h,
int mb_y)
403 bottom_field, field_select, ref_picture, pix_op,
404 motion_x, motion_y, h, 1, mb_y);
408 bottom_field, field_select, ref_picture, pix_op,
409 motion_x, motion_y, h, 0, mb_y);
420 uint8_t *
const bottom = src[4];
421 #define OBMC_FILTER(x, t, l, m, r, b)\ 422 dst[x]= (t*top[x] + l*left[x] + m*mid[x] + r*right[x] + b*bottom[x] + 4)>>3 423 #define OBMC_FILTER4(x, t, l, m, r, b)\ 424 OBMC_FILTER(x , t, l, m, r, b);\ 425 OBMC_FILTER(x+1 , t, l, m, r, b);\ 426 OBMC_FILTER(x +stride, t, l, m, r, b);\ 427 OBMC_FILTER(x+1+stride, t, l, m, r, b); 468 int src_x,
int src_y,
478 for (i = 0; i < 5; i++) {
479 if (i && mv[i][0] == mv[
MID][0] && mv[i][1] == mv[
MID][1]) {
496 int field_based,
int bottom_field,
497 int field_select,
uint8_t **ref_picture,
500 int motion_x,
int motion_y,
int h)
502 uint8_t *ptr_y, *ptr_cb, *ptr_cr;
503 int dxy, uvdxy, mx, my, src_x, src_y, uvsrc_x, uvsrc_y,
v_edge_pos;
506 dxy = ((motion_y & 3) << 2) | (motion_x & 3);
508 src_x = s->
mb_x * 16 + (motion_x >> 2);
509 src_y = s->
mb_y * (16 >> field_based) + (motion_y >> 2);
512 linesize = s->
linesize << field_based;
519 static const int rtab[8] = { 0, 0, 1, 1, 0, 0, 0, 1 };
520 mx = (motion_x >> 1) + rtab[motion_x & 7];
521 my = (motion_y >> 1) + rtab[motion_y & 7];
523 mx = (motion_x >> 1) | (motion_x & 1);
524 my = (motion_y >> 1) | (motion_y & 1);
529 mx = (mx >> 1) | (mx & 1);
530 my = (my >> 1) | (my & 1);
532 uvdxy = (mx & 1) | ((my & 1) << 1);
536 uvsrc_x = s->
mb_x * 8 + mx;
537 uvsrc_y = s->
mb_y * (8 >> field_based) + my;
539 ptr_y = ref_picture[0] + src_y * linesize + src_x;
540 ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x;
541 ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x;
544 (unsigned)src_y >
FFMAX(v_edge_pos - (motion_y & 3) - h, 0)) {
546 &ptr_y, &ptr_cb, &ptr_cr);
550 qpix_op[0][dxy](dest_y, ptr_y,
linesize);
565 qpix_op[1][dxy](dest_y, ptr_y,
linesize);
566 qpix_op[1][dxy](dest_y + 8, ptr_y + 8,
linesize);
569 pix_op[1][uvdxy](dest_cr, ptr_cr,
uvlinesize, h >> 1);
570 pix_op[1][uvdxy](dest_cb, ptr_cb,
uvlinesize, h >> 1);
584 int src_x, src_y, dxy, emu = 0;
592 dxy = ((my & 1) << 1) | (mx & 1);
596 src_x = s->
mb_x * 8 + mx;
597 src_y = s->
mb_y * 8 + my;
598 src_x = av_clip(src_x, -8, (s->
width >> 1));
599 if (src_x == (s->
width >> 1))
601 src_y = av_clip(src_y, -8, (s->
height >> 1));
602 if (src_y == (s->
height >> 1))
606 ptr = ref_picture[1] + offset;
607 if ((
unsigned)src_x >
FFMAX((s->
h_edge_pos >> 1) - (dxy & 1) - 8, 0) ||
618 ptr = ref_picture[2] + offset;
634 const int mx = (s->
mv[dir][0][0] >> shift) + 16 * s->
mb_x + 8;
635 const int my = (s->
mv[dir][0][1] >> shift) + 16 * s->
mb_y;
636 int off = mx + (my + (s->
mb_x & 3) * 4) * s->
linesize + 64;
639 off = (mx >> 1) + ((my >> 1) + (s->
mb_x & 7)) * s->
uvlinesize + 64;
654 const int xy = mb_x + mb_y * s->
mb_stride;
656 const int mot_xy = mb_x * 2 + mb_y * 2 * mot_stride;
665 cur_frame->
motion_val[0][mot_xy + mot_stride]);
667 cur_frame->
motion_val[0][mot_xy + mot_stride + 1]);
670 cur_frame->
motion_val[0][mot_xy + mot_stride]);
672 cur_frame->
motion_val[0][mot_xy + mot_stride + 1]);
675 AV_COPY32(mv_cache[0][1], mv_cache[1][1]);
676 AV_COPY32(mv_cache[0][2], mv_cache[1][2]);
679 cur_frame->
motion_val[0][mot_xy - mot_stride]);
681 cur_frame->
motion_val[0][mot_xy - mot_stride + 1]);
685 AV_COPY32(mv_cache[1][0], mv_cache[1][1]);
686 AV_COPY32(mv_cache[2][0], mv_cache[2][1]);
690 cur_frame->
motion_val[0][mot_xy - 1 + mot_stride]);
694 AV_COPY32(mv_cache[1][3], mv_cache[1][2]);
695 AV_COPY32(mv_cache[2][3], mv_cache[2][2]);
699 cur_frame->
motion_val[0][mot_xy + 2 + mot_stride]);
704 for (i = 0; i < 4; i++) {
705 const int x = (i & 1) + 1;
706 const int y = (i >> 1) + 1;
708 { mv_cache[y][x][0], mv_cache[y][x][1] },
709 { mv_cache[y - 1][x][0], mv_cache[y - 1][x][1] },
710 { mv_cache[y][x - 1][0], mv_cache[y][x - 1][1] },
711 { mv_cache[y][x + 1][0], mv_cache[y][x + 1][1] },
712 { mv_cache[y + 1][x][0], mv_cache[y + 1][x][1] }
717 mb_x * 16 + (i & 1) * 8, mb_y * 16 + (i >> 1) * 8,
726 ref_picture, pix_op[1],
739 int dxy, mx, my, src_x, src_y;
748 for (i = 0; i < 4; i++) {
749 int motion_x = s->
mv[dir][i][0];
750 int motion_y = s->
mv[dir][i][1];
752 dxy = ((motion_y & 3) << 2) | (motion_x & 3);
753 src_x = mb_x * 16 + (motion_x >> 2) + (i & 1) * 8;
754 src_y = mb_y * 16 + (motion_y >> 2) + (i >> 1) * 8;
757 src_x = av_clip(src_x, -16, s->
width);
758 if (src_x == s->
width)
760 src_y = av_clip(src_y, -16, s->
height);
764 ptr = ref_picture[0] + (src_y * s->
linesize) + (src_x);
775 dest = dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->
linesize;
776 qpix_op[1][dxy](dest, ptr, s->
linesize);
778 mx += s->
mv[dir][i][0] / 2;
779 my += s->
mv[dir][i][1] / 2;
782 for (i = 0; i < 4; i++) {
784 dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->
linesize,
786 mb_x * 16 + (i & 1) * 8,
787 mb_y * 16 + (i >> 1) * 8,
792 mx += s->
mv[dir][i][0];
793 my += s->
mv[dir][i][1];
799 ref_picture, pix_op[1], mx, my);
830 apply_obmc(s, dest_y, dest_cb, dest_cr, ref_picture, pix_op);
847 ref_picture, pix_op, qpix_op,
848 s->
mv[dir][0][0], s->
mv[dir][0][1], 16);
853 s->
mv[dir][0][0], s->
mv[dir][0][1], 16);
857 s->
mv[dir][0][0], s->
mv[dir][0][1], 16, mb_y);
863 dir, ref_picture, qpix_op, pix_op);
868 for (i = 0; i < 2; i++)
871 ref_picture, pix_op, qpix_op,
872 s->
mv[dir][i][0], s->
mv[dir][i][1], 8);
878 s->
mv[dir][0][0], s->
mv[dir][0][1], 8, mb_y);
883 s->
mv[dir][1][0], s->
mv[dir][1][1], 8, mb_y);
894 s->
mv[dir][0][0], s->
mv[dir][0][1], 16, mb_y >> 1);
898 for (i = 0; i < 2; i++) {
903 ref2picture = ref_picture;
911 s->
mv[dir][i][0], s->
mv[dir][i][1] + 16 * i,
921 for (i = 0; i < 2; i++) {
923 for (j = 0; j < 2; j++)
925 j, j ^ i, ref_picture, pix_op,
926 s->
mv[dir][2 * i + j][0],
927 s->
mv[dir][2 * i + j][1], 8, mb_y);
931 for (i = 0; i < 2; i++) {
935 s->
mv[dir][2 * i][0], s->
mv[dir][2 * i][1],
963 ref_picture, pix_op, qpix_op, 1);
967 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])
#define CONFIG_WMV2_ENCODER
void(* gmc1)(uint8_t *dst, uint8_t *src, int srcStride, int h, int x16, int y16, int rounder)
translational global motion compensation.
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
uint8_t * edge_emu_buffer
temporary buffer for if MVs point to out-of-frame data
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)
av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (%s)\, len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt), use_generic ? ac->func_descr_generic :ac->func_descr)
#define FF_BUG_HPEL_CHROMA
int obmc
overlapped block motion compensation
int real_sprite_warping_points
void(* prefetch)(uint8_t *buf, ptrdiff_t stride, int h)
Prefetch memory into cache (if supported by hardware).
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)
H.263 chroma 4mv motion compensation.
enum OutputFormat out_format
output format
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.
int no_rounding
apply no rounding to motion compensation (MPEG-4, msmpeg4, ...) for B-frames rounding mode is always ...
Picture current_picture
copy of the current picture structure.
#define FF_BUG_QPEL_CHROMA2
#define AV_CODEC_FLAG_GRAY
Only decode/encode grayscale.
int sprite_offset[2][2]
sprite offset[isChroma][isMVY]
#define LOCAL_ALIGNED_8(t, v,...)
static void prefetch_motion(MpegEncContext *s, uint8_t **pix, int dir)
#define CONFIG_H261_DECODER
int mb_skipped
MUST BE SET only during DECODING.
void(* qpel_mc_func)(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
int flags
AV_CODEC_FLAG_*.
int quarter_sample
1->qpel, 0->half pel ME/MC
common internal API header
int sprite_delta[2][2]
sprite_delta [isY][isMVY]
int16_t(*[2] motion_val)[2]
Picture * current_picture_ptr
pointer to the current picture
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 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.
static av_always_inline void emulated_edge_mc(MpegEncContext *s, int src_x, int src_y, int uvsrc_x, int uvsrc_y, int field_based, uint8_t **ptr_y, uint8_t **ptr_cb, uint8_t **ptr_cr)
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
void(* op_pixels_func)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
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[4][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 int ff_h263_round_chroma(int x)
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 ...
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)
#define CONFIG_H261_ENCODER
#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])
uint8_t * obmc_scratchpad
#define CONFIG_WMV2_DECODER
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 (H.263, MPEG-4 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])
static void put_obmc(uint8_t *dst, uint8_t *src[5], int stride)
#define OBMC_FILTER(x, t, l, m, r, b)