virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

Merge remote-tracking branch 'qatar/master'

Browse Source 
* qatar/master:
  mpegvideo: Move 8x8 in a separate function

Conflicts:
	libavcodec/mpegvideo_motion.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-10-16 15:08:10 +02:00
commit 4d41a25d39
1 changed files with 80 additions and 66 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

146
libavcodec/mpegvideo_motion.c
View File

@ -747,6 +747,81 @@ static inline void apply_obmc(MpegEncContext *s,
mx, my);
}
static inline 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])
{
int dxy, mx, my, src_x, src_y;
int i;
int mb_x = s->mb_x;
int mb_y = s->mb_y;
uint8_t *ptr, *dest;
mx = 0;
my = 0;
if (s->quarter_sample) {
for (i = 0; i < 4; i++) {
int motion_x = s->mv[dir][i][0];
int motion_y = s->mv[dir][i][1];
dxy = ((motion_y & 3) << 2) | (motion_x & 3);
src_x = mb_x * 16 + (motion_x >> 2) + (i & 1) * 8;
src_y = mb_y * 16 + (motion_y >> 2) + (i >> 1) * 8;
/* WARNING: do no forget half pels */
src_x = av_clip(src_x, -16, s->width);
if (src_x == s->width)
dxy &= ~3;
src_y = av_clip(src_y, -16, s->height);
if (src_y == s->height)
dxy &= ~12;
ptr = ref_picture[0] + (src_y * s->linesize) + (src_x);
if (s->flags & CODEC_FLAG_EMU_EDGE) {
if ((unsigned)src_x > FFMAX(s->h_edge_pos - (motion_x & 3) - 8, 0) ||
(unsigned)src_y > FFMAX(s->v_edge_pos - (motion_y & 3) - 8, 0)) {
s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
s->linesize, ptr,
s->linesize,
9, 9,
src_x, src_y,
s->h_edge_pos,
s->v_edge_pos);
ptr = s->edge_emu_buffer;
}
}
dest = dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize;
qpix_op[1][dxy](dest, ptr, s->linesize);
mx += s->mv[dir][i][0] / 2;
my += s->mv[dir][i][1] / 2;
}
} else {
for (i = 0; i < 4; i++) {
hpel_motion(s,
dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize,
ref_picture[0],
mb_x * 16 + (i & 1) * 8,
mb_y * 16 + (i >> 1) * 8,
pix_op[1],
s->mv[dir][i][0],
s->mv[dir][i][1]);
mx += s->mv[dir][i][0];
my += s->mv[dir][i][1];
}
}
if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY))
chroma_4mv_motion(s, dest_cb, dest_cr,
ref_picture, pix_op[1], mx, my);
}
/**
* motion compensation of a single macroblock
* @param s context
@ -769,12 +844,8 @@ static av_always_inline void MPV_motion_internal(MpegEncContext *s,
qpel_mc_func (*qpix_op)[16],
int is_mpeg12)
{
int dxy, mx, my, src_x, src_y, motion_x, motion_y;
int mb_x, mb_y, i;
uint8_t *ptr, *dest;
mb_x = s->mb_x;
mb_y = s->mb_y;
int i;
int mb_y = s->mb_y;
prefetch_motion(s, ref_picture, dir);
@ -810,66 +881,9 @@ static av_always_inline void MPV_motion_internal(MpegEncContext *s,
}
break;
case MV_TYPE_8X8:
if (!is_mpeg12) {
mx = 0;
my = 0;
if (s->quarter_sample) {
for (i = 0; i < 4; i++) {
motion_x = s->mv[dir][i][0];
motion_y = s->mv[dir][i][1];
dxy = ((motion_y & 3) << 2) | (motion_x & 3);
src_x = mb_x * 16 + (motion_x >> 2) + (i & 1) * 8;
src_y = mb_y * 16 + (motion_y >> 2) + (i >> 1) * 8;
/* WARNING: do no forget half pels */
src_x = av_clip(src_x, -16, s->width);
if (src_x == s->width)
dxy &= ~3;
src_y = av_clip(src_y, -16, s->height);
if (src_y == s->height)
dxy &= ~12;
ptr = ref_picture[0] + (src_y * s->linesize) + (src_x);
if (s->flags & CODEC_FLAG_EMU_EDGE) {
if ((unsigned)src_x > FFMAX(s->h_edge_pos - (motion_x & 3) - 8, 0) ||
(unsigned)src_y > FFMAX(s->v_edge_pos - (motion_y & 3) - 8, 0)) {
s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
s->linesize, ptr,
s->linesize,
9, 9,
src_x, src_y,
s->h_edge_pos,
s->v_edge_pos);
ptr = s->edge_emu_buffer;
}
}
dest = dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize;
qpix_op[1][dxy](dest, ptr, s->linesize);
mx += s->mv[dir][i][0] / 2;
my += s->mv[dir][i][1] / 2;
}
} else {
for (i = 0; i < 4; i++) {
hpel_motion(s,
dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize,
ref_picture[0],
mb_x * 16 + (i & 1) * 8,
mb_y * 16 + (i >> 1) * 8,
pix_op[1],
s->mv[dir][i][0],
s->mv[dir][i][1]);
mx += s->mv[dir][i][0];
my += s->mv[dir][i][1];
}
}
if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY))
chroma_4mv_motion(s, dest_cb, dest_cr,
ref_picture, pix_op[1], mx, my);
}
if (!is_mpeg12)
apply_8x8(s, dest_y, dest_cb, dest_cr,
dir, ref_picture, qpix_op, pix_op);
break;
case MV_TYPE_FIELD:
if (s->picture_structure == PICT_FRAME) {