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ffmpeg.wasm-core
Commit 5ba326b5 authored by Michael Niedermayer's avatar Michael Niedermayer
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interlaced mpeg4 + edge emu fix (fixes decoding of mermaid.avi) 

related cleanup

Originally committed as revision 2827 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 4c9544d0
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Showing with 119 additions and 129 deletions
libavcodec/mpegvideo.c
View file @ 5ba326b5
......@@ -2123,8 +2123,7 @@ int MPV_encode_picture(AVCodecContext *avctx,
static inline void gmc1_motion(MpegEncContext *s,
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
int dest_offset,
uint8_t **ref_picture, int src_offset)
uint8_t **ref_picture)
{
uint8_t *ptr;
int offset, src_x, src_y, linesize, uvlinesize;
......@@ -2147,9 +2146,8 @@ static inline void gmc1_motion(MpegEncContext *s,
linesize = s->linesize;
uvlinesize = s->uvlinesize;
ptr = ref_picture[0] + (src_y * linesize) + src_x + src_offset;
ptr = ref_picture[0] + (src_y * linesize) + src_x;
dest_y+=dest_offset;
if(s->flags&CODEC_FLAG_EMU_EDGE){
if( (unsigned)src_x >= s->h_edge_pos - 17
|| (unsigned)src_y >= s->v_edge_pos - 17){
......@@ -2187,7 +2185,7 @@ static inline void gmc1_motion(MpegEncContext *s,
if (src_y == s->height>>1)
motion_y =0;
offset = (src_y * uvlinesize) + src_x + (src_offset>>1);
offset = (src_y * uvlinesize) + src_x;
ptr = ref_picture[1] + offset;
if(s->flags&CODEC_FLAG_EMU_EDGE){
if( (unsigned)src_x >= (s->h_edge_pos>>1) - 9
......@@ -2197,22 +2195,21 @@ static inline void gmc1_motion(MpegEncContext *s,
emu=1;
}
}
s->dsp.gmc1(dest_cb + (dest_offset>>1), ptr, uvlinesize, 8, motion_x&15, motion_y&15, 128 - s->no_rounding);
s->dsp.gmc1(dest_cb, ptr, uvlinesize, 8, motion_x&15, motion_y&15, 128 - s->no_rounding);
ptr = ref_picture[2] + offset;
if(emu){
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
ptr= s->edge_emu_buffer;
}
s->dsp.gmc1(dest_cr + (dest_offset>>1), ptr, uvlinesize, 8, motion_x&15, motion_y&15, 128 - s->no_rounding);
s->dsp.gmc1(dest_cr, ptr, uvlinesize, 8, motion_x&15, motion_y&15, 128 - s->no_rounding);
return;
}
static inline void gmc_motion(MpegEncContext *s,
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
int dest_offset,
uint8_t **ref_picture, int src_offset)
uint8_t **ref_picture)
{
uint8_t *ptr;
int linesize, uvlinesize;
......@@ -2222,9 +2219,7 @@ static inline void gmc_motion(MpegEncContext *s,
linesize = s->linesize;
uvlinesize = s->uvlinesize;
ptr = ref_picture[0] + src_offset;
dest_y+=dest_offset;
ptr = ref_picture[0];
ox= s->sprite_offset[0][0] + s->sprite_delta[0][0]*s->mb_x*16 + s->sprite_delta[0][1]*s->mb_y*16;
oy= s->sprite_offset[0][1] + s->sprite_delta[1][0]*s->mb_x*16 + s->sprite_delta[1][1]*s->mb_y*16;
......@@ -2246,14 +2241,10 @@ static inline void gmc_motion(MpegEncContext *s,
if(s->flags&CODEC_FLAG_GRAY) return;
dest_cb+=dest_offset>>1;
dest_cr+=dest_offset>>1;
ox= s->sprite_offset[1][0] + s->sprite_delta[0][0]*s->mb_x*8 + s->sprite_delta[0][1]*s->mb_y*8;
oy= s->sprite_offset[1][1] + s->sprite_delta[1][0]*s->mb_x*8 + s->sprite_delta[1][1]*s->mb_y*8;
ptr = ref_picture[1] + (src_offset>>1);
ptr = ref_picture[1];
s->dsp.gmc(dest_cb, ptr, uvlinesize, 8,
ox,
oy,
......@@ -2262,7 +2253,7 @@ static inline void gmc_motion(MpegEncContext *s,
a+1, (1<<(2*a+1)) - s->no_rounding,
s->h_edge_pos>>1, s->v_edge_pos>>1);
ptr = ref_picture[2] + (src_offset>>1);
ptr = ref_picture[2];
s->dsp.gmc(dest_cr, ptr, uvlinesize, 8,
ox,
oy,
......@@ -2345,6 +2336,7 @@ void ff_emulated_edge_mc(uint8_t *buf, uint8_t *src, int linesize, int block_w,
static inline int hpel_motion(MpegEncContext *s,
uint8_t *dest, uint8_t *src,
int field_based, int field_select,
int src_x, int src_y,
int width, int height, int stride,
int h_edge_pos, int v_edge_pos,
......@@ -2370,12 +2362,14 @@ static inline int hpel_motion(MpegEncContext *s,
if(s->unrestricted_mv && (s->flags&CODEC_FLAG_EMU_EDGE)){
if( (unsigned)src_x > h_edge_pos - (motion_x&1) - w
|| (unsigned)src_y > v_edge_pos - (motion_y&1) - h){
ff_emulated_edge_mc(s->edge_emu_buffer, src, stride, w+1, h+1,
src_x, src_y, h_edge_pos, v_edge_pos);
ff_emulated_edge_mc(s->edge_emu_buffer, src, s->linesize, w+1, (h+1)<<field_based,
src_x, src_y<<field_based, h_edge_pos, s->v_edge_pos);
src= s->edge_emu_buffer;
emu=1;
}
}
if(field_select)
src += s->linesize;
pix_op[dxy](dest, src, stride, h);
return emu;
}
......@@ -2383,14 +2377,20 @@ static inline int hpel_motion(MpegEncContext *s,
/* apply one mpeg motion vector to the three components */
static inline void mpeg_motion(MpegEncContext *s,
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
int dest_offset,
uint8_t **ref_picture, int src_offset,
int field_based, op_pixels_func (*pix_op)[4],
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)
{
uint8_t *ptr;
int dxy, offset, mx, my, src_x, src_y, height, v_edge_pos, uvlinesize;
int emu=0;
if(bottom_field){ //FIXME use this for field pix too instead of the obnoxious hack which changes picture.data
dest_y += s->linesize;
dest_cb+= s->uvlinesize;
dest_cr+= s->uvlinesize;
}
#if 0
if(s->quarter_sample)
{
......@@ -2404,7 +2404,7 @@ if(s->quarter_sample)
uvlinesize = s->current_picture.linesize[1] << field_based;
emu= hpel_motion(s,
dest_y + dest_offset, ref_picture[0] + src_offset,
dest_y, ref_picture[0], field_based, field_select,
s->mb_x * 16, s->mb_y * (16 >> field_based),
s->width, height, s->current_picture.linesize[0] << field_based,
s->h_edge_pos, v_edge_pos,
......@@ -2438,22 +2438,26 @@ if(s->quarter_sample)
src_y = clip(src_y, -8, height >> 1);
if (src_y == (height >> 1))
dxy &= ~2;
offset = (src_y * uvlinesize) + src_x + (src_offset >> 1);
offset = (src_y * uvlinesize) + src_x;
ptr = ref_picture[1] + offset;
if(emu){
ff_emulated_edge_mc(s->edge_emu_buffer, ptr - (src_offset >> 1), s->uvlinesize, 9, 9+field_based,
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9+field_based,
src_x, src_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
ptr= s->edge_emu_buffer + (src_offset >> 1);
ptr= s->edge_emu_buffer;
}
pix_op[1][dxy](dest_cb + (dest_offset >> 1), ptr, uvlinesize, h >> 1);
if(field_select)
ptr+= s->uvlinesize;
pix_op[1][dxy](dest_cb, ptr, uvlinesize, h >> 1);
ptr = ref_picture[2] + offset;
if(emu){
ff_emulated_edge_mc(s->edge_emu_buffer, ptr - (src_offset >> 1), s->uvlinesize, 9, 9+field_based,
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9+field_based,
src_x, src_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
ptr= s->edge_emu_buffer + (src_offset >> 1);
ptr= s->edge_emu_buffer;
}
pix_op[1][dxy](dest_cr + (dest_offset >> 1), ptr, uvlinesize, h >> 1);
if(field_select)
ptr+= s->uvlinesize;
pix_op[1][dxy](dest_cr, ptr, uvlinesize, h >> 1);
}
//FIXME move to dsputil, avg variant, 16x16 version
static inline void put_obmc(uint8_t *dst, uint8_t *src[5], int stride){
......@@ -2525,7 +2529,7 @@ static inline void obmc_motion(MpegEncContext *s,
ptr[i]= ptr[MID];
}else{
ptr[i]= s->obmc_scratchpad + 8*(i&1) + s->linesize*8*(i>>1);
hpel_motion(s, ptr[i], src,
hpel_motion(s, ptr[i], src, 0, 0,
src_x, src_y,
s->width, s->height, s->linesize,
s->h_edge_pos, s->v_edge_pos,
......@@ -2539,9 +2543,8 @@ static inline void obmc_motion(MpegEncContext *s,
static inline void qpel_motion(MpegEncContext *s,
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
int dest_offset,
uint8_t **ref_picture, int src_offset,
int field_based, op_pixels_func (*pix_op)[4],
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)
{
......@@ -2549,6 +2552,12 @@ static inline void qpel_motion(MpegEncContext *s,
int dxy, offset, mx, my, src_x, src_y, height, v_edge_pos, linesize, uvlinesize;
int emu=0;
if(bottom_field){
dest_y += s->linesize;
dest_cb+= s->uvlinesize;
dest_cr+= s->uvlinesize;
}
dxy = ((motion_y & 3) << 2) | (motion_x & 3);
src_x = s->mb_x * 16 + (motion_x >> 2);
src_y = s->mb_y * (16 >> field_based) + (motion_y >> 2);
......@@ -2563,22 +2572,22 @@ static inline void qpel_motion(MpegEncContext *s,
dxy &= ~12;
linesize = s->linesize << field_based;
uvlinesize = s->uvlinesize << field_based;
ptr = ref_picture[0] + (src_y * linesize) + src_x + src_offset;
dest_y += dest_offset;
//printf("%d %d %d\n", src_x, src_y, dxy);
ptr = ref_picture[0] + (src_y * linesize) + src_x;
if(s->flags&CODEC_FLAG_EMU_EDGE){
if( (unsigned)src_x > s->h_edge_pos - (motion_x&3) - 16
|| (unsigned)src_y > v_edge_pos - (motion_y&3) - h ){
ff_emulated_edge_mc(s->edge_emu_buffer, ptr - src_offset, s->linesize, 17, 17+field_based,
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->linesize, 17, 17+field_based,
src_x, src_y<<field_based, s->h_edge_pos, s->v_edge_pos);
ptr= s->edge_emu_buffer + src_offset;
ptr= s->edge_emu_buffer;
emu=1;
}
}
if(!field_based)
qpix_op[0][dxy](dest_y, ptr, linesize);
else{
if(field_select)
ptr += s->linesize;
//damn interlaced mode
//FIXME boundary mirroring is not exactly correct here
qpix_op[1][dxy](dest_y , ptr , linesize);
......@@ -2617,22 +2626,26 @@ static inline void qpel_motion(MpegEncContext *s,
if (src_y == (height >> 1))
dxy &= ~2;
offset = (src_y * uvlinesize) + src_x + (src_offset >> 1);
offset = (src_y * uvlinesize) + src_x;
ptr = ref_picture[1] + offset;
if(emu){
ff_emulated_edge_mc(s->edge_emu_buffer, ptr - (src_offset >> 1), s->uvlinesize, 9, 9 + field_based,
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9 + field_based,
src_x, src_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
ptr= s->edge_emu_buffer + (src_offset >> 1);
ptr= s->edge_emu_buffer;
}
pix_op[1][dxy](dest_cb + (dest_offset >> 1), ptr, uvlinesize, h >> 1);
if(field_select)
ptr += s->uvlinesize;
pix_op[1][dxy](dest_cb, ptr, uvlinesize, h >> 1);
ptr = ref_picture[2] + offset;
if(emu){
ff_emulated_edge_mc(s->edge_emu_buffer, ptr - (src_offset >> 1), s->uvlinesize, 9, 9 + field_based,
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9 + field_based,
src_x, src_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
ptr= s->edge_emu_buffer + (src_offset >> 1);
ptr= s->edge_emu_buffer;
}
pix_op[1][dxy](dest_cr + (dest_offset >> 1), ptr, uvlinesize, h >> 1);
if(field_select)
ptr += s->uvlinesize;
pix_op[1][dxy](dest_cr, ptr, uvlinesize, h >> 1);
}
inline int ff_h263_round_chroma(int x){
......@@ -2783,16 +2796,16 @@ static inline void MPV_motion(MpegEncContext *s,
#ifdef CONFIG_RISKY
if(s->mcsel){
if(s->real_sprite_warping_points==1){
gmc1_motion(s, dest_y, dest_cb, dest_cr, 0,
ref_picture, 0);
gmc1_motion(s, dest_y, dest_cb, dest_cr,
ref_picture);
}else{
gmc_motion(s, dest_y, dest_cb, dest_cr, 0,
ref_picture, 0);
gmc_motion(s, dest_y, dest_cb, dest_cr,
ref_picture);
}
}else if(s->quarter_sample){
qpel_motion(s, dest_y, dest_cb, dest_cr, 0,
ref_picture, 0,
0, pix_op, qpix_op,
qpel_motion(s, dest_y, dest_cb, dest_cr,
0, 0, 0,
ref_picture, pix_op, qpix_op,
s->mv[dir][0][0], s->mv[dir][0][1], 16);
}else if(s->mspel){
ff_mspel_motion(s, dest_y, dest_cb, dest_cr,
......@@ -2801,9 +2814,9 @@ static inline void MPV_motion(MpegEncContext *s,
}else
#endif
{
mpeg_motion(s, dest_y, dest_cb, dest_cr, 0,
ref_picture, 0,
0, pix_op,
mpeg_motion(s, dest_y, dest_cb, dest_cr,
0, 0, 0,
ref_picture, pix_op,
s->mv[dir][0][0], s->mv[dir][0][1], 16);
}
break;
......@@ -2844,7 +2857,7 @@ static inline void MPV_motion(MpegEncContext *s,
}else{
for(i=0;i<4;i++) {
hpel_motion(s, dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize,
ref_picture[0],
ref_picture[0], 0, 0,
mb_x * 16 + (i & 1) * 8, mb_y * 16 + (i >>1) * 8,
s->width, s->height, s->linesize,
s->h_edge_pos, s->v_edge_pos,
......@@ -2863,139 +2876,116 @@ static inline void MPV_motion(MpegEncContext *s,
if (s->picture_structure == PICT_FRAME) {
if(s->quarter_sample){
/* top field */
qpel_motion(s, dest_y, dest_cb, dest_cr, 0,
ref_picture, s->field_select[dir][0] ? s->linesize : 0,
1, pix_op, qpix_op,
qpel_motion(s, dest_y, dest_cb, dest_cr,
1, 0, s->field_select[dir][0],
ref_picture, pix_op, qpix_op,
s->mv[dir][0][0], s->mv[dir][0][1], 8);
/* bottom field */
qpel_motion(s, dest_y, dest_cb, dest_cr, s->linesize,
ref_picture, s->field_select[dir][1] ? s->linesize : 0,
1, pix_op, qpix_op,
qpel_motion(s, dest_y, dest_cb, dest_cr,
1, 1, s->field_select[dir][1],
ref_picture, pix_op, qpix_op,
s->mv[dir][1][0], s->mv[dir][1][1], 8);
}else{
/* top field */
mpeg_motion(s, dest_y, dest_cb, dest_cr, 0,
ref_picture, s->field_select[dir][0] ? s->linesize : 0,
1, pix_op,
mpeg_motion(s, dest_y, dest_cb, dest_cr,
1, 0, s->field_select[dir][0],
ref_picture, pix_op,
s->mv[dir][0][0], s->mv[dir][0][1], 8);
/* bottom field */
mpeg_motion(s, dest_y, dest_cb, dest_cr, s->linesize,
ref_picture, s->field_select[dir][1] ? s->linesize : 0,
1, pix_op,
mpeg_motion(s, dest_y, dest_cb, dest_cr,
1, 1, s->field_select[dir][1],
ref_picture, pix_op,
s->mv[dir][1][0], s->mv[dir][1][1], 8);
}
} else {
int offset;
if(s->picture_structure == s->field_select[dir][0] + 1 || s->pict_type == B_TYPE || s->first_field){
offset= s->field_select[dir][0] ? s->linesize : 0;
}else{
ref_picture= s->current_picture.data;
offset= s->field_select[dir][0] ? s->linesize : -s->linesize;
if(s->picture_structure != s->field_select[dir][0] + 1 && s->pict_type != B_TYPE && !s->first_field){
ref_picture= s->current_picture_ptr->data;
}
mpeg_motion(s, dest_y, dest_cb, dest_cr, 0,
ref_picture, offset,
0, pix_op,
mpeg_motion(s, dest_y, dest_cb, dest_cr,
0, 0, s->field_select[dir][0],
ref_picture, pix_op,
s->mv[dir][0][0], s->mv[dir][0][1], 16);
}
break;
case MV_TYPE_16X8:{
int offset;
uint8_t ** ref2picture;
if(s->picture_structure == s->field_select[dir][0] + 1 || s->pict_type == B_TYPE || s->first_field){
ref2picture= ref_picture;
offset= s->field_select[dir][0] ? s->linesize : 0;
}else{
ref2picture= s->current_picture.data;
offset= s->field_select[dir][0] ? s->linesize : -s->linesize;
ref2picture= s->current_picture_ptr->data;
}
mpeg_motion(s, dest_y, dest_cb, dest_cr, 0,
ref2picture, offset,
0, pix_op,
mpeg_motion(s, dest_y, dest_cb, dest_cr,
0, 0, s->field_select[dir][0],
ref2picture, pix_op,
s->mv[dir][0][0], s->mv[dir][0][1], 8);
if(s->picture_structure == s->field_select[dir][1] + 1 || s->pict_type == B_TYPE || s->first_field){
ref2picture= ref_picture;
offset= s->field_select[dir][1] ? s->linesize : 0;
}else{
ref2picture= s->current_picture.data;
offset= s->field_select[dir][1] ? s->linesize : -s->linesize;
ref2picture= s->current_picture_ptr->data;
}
// I know it is ugly but this is the only way to fool emu_edge without rewrite mpeg_motion
mpeg_motion(s, dest_y+16*s->linesize, dest_cb+8*s->uvlinesize, dest_cr+8*s->uvlinesize,
0,
ref2picture, offset,
0, pix_op,
0, 0, s->field_select[dir][1],
ref2picture, pix_op,
s->mv[dir][1][0], s->mv[dir][1][1]+16, 8);
}
break;
case MV_TYPE_DMV:
{
op_pixels_func (*dmv_pix_op)[4];
int offset;
dmv_pix_op = s->dsp.put_pixels_tab;
pix_op = s->dsp.put_pixels_tab;
if(s->picture_structure == PICT_FRAME){
//put top field from top field
mpeg_motion(s, dest_y, dest_cb, dest_cr, 0,
ref_picture, 0,
1, dmv_pix_op,
mpeg_motion(s, dest_y, dest_cb, dest_cr,
1, 0, 0,
ref_picture, pix_op,
s->mv[dir][0][0], s->mv[dir][0][1], 8);
//put bottom field from bottom field
mpeg_motion(s, dest_y, dest_cb, dest_cr, s->linesize,
ref_picture, s->linesize,
1, dmv_pix_op,
mpeg_motion(s, dest_y, dest_cb, dest_cr,
1, 1, 1,
ref_picture, pix_op,
s->mv[dir][0][0], s->mv[dir][0][1], 8);
dmv_pix_op = s->dsp.avg_pixels_tab;
pix_op = s->dsp.avg_pixels_tab;
//avg top field from bottom field
mpeg_motion(s, dest_y, dest_cb, dest_cr, 0,
ref_picture, s->linesize,
1, dmv_pix_op,
mpeg_motion(s, dest_y, dest_cb, dest_cr,
1, 0, 1,
ref_picture, pix_op,
s->mv[dir][2][0], s->mv[dir][2][1], 8);
//avg bottom field from top field
mpeg_motion(s, dest_y, dest_cb, dest_cr, s->linesize,
ref_picture, 0,
1, dmv_pix_op,
mpeg_motion(s, dest_y, dest_cb, dest_cr,
1, 1, 0,
ref_picture, pix_op,
s->mv[dir][3][0], s->mv[dir][3][1], 8);
}else{
offset=(s->picture_structure == PICT_BOTTOM_FIELD)?
s->linesize : 0;
//put field from the same parity
//same parity is never in the same frame
mpeg_motion(s, dest_y, dest_cb, dest_cr, 0,
ref_picture,offset,
0,dmv_pix_op,
mpeg_motion(s, dest_y, dest_cb, dest_cr,
0, 0, s->picture_structure == PICT_BOTTOM_FIELD,
ref_picture, pix_op,
s->mv[dir][0][0],s->mv[dir][0][1],16);
// after put we make avg of the same block
dmv_pix_op=s->dsp.avg_pixels_tab;
pix_op=s->dsp.avg_pixels_tab;
//opposite parity is always in the same frame if this is second field
if(!s->first_field){
ref_picture = s->current_picture.data;
//top field is one linesize from frame beginig
offset=(s->picture_structure == PICT_BOTTOM_FIELD)?
-s->linesize : s->linesize;
}else
offset=(s->picture_structure == PICT_BOTTOM_FIELD)?
0 : s->linesize;
ref_picture = s->current_picture_ptr->data;
}
//avg field from the opposite parity
mpeg_motion(s, dest_y, dest_cb, dest_cr,0,
ref_picture, offset,
0,dmv_pix_op,
mpeg_motion(s, dest_y, dest_cb, dest_cr,
0, 0, s->picture_structure != PICT_BOTTOM_FIELD,
ref_picture, pix_op,
s->mv[dir][2][0],s->mv[dir][2][1],16);
}
}
break;
default: assert(0);
}
......
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