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ffmpeg.wasm-core
Commit cde9e780 authored by Michael Niedermayer's avatar Michael Niedermayer
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make grayscale only decoding checks in inner loops compiletime killable 

Originally committed as revision 9846 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 01e795ab
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Showing with 18 additions and 15 deletions
configure
View file @ cde9e780
......@@ -133,6 +133,7 @@ show_help(){
echo " --disable-debug disable debugging symbols"
echo " --disable-mpegaudio-hp faster (but less accurate)"
echo " MPEG audio decoding [default=no]"
echo " --enable-gray enable full grayscale support (slower color)"
echo " --disable-ffmpeg disable ffmpeg build"
echo " --disable-ffserver disable ffserver build"
echo " --disable-ffplay disable ffplay build"
......@@ -615,6 +616,7 @@ CONFIG_LIST='
v4l2
x11grab
zlib
gray
'
THREADS_LIST='
......@@ -860,6 +862,7 @@ network="yes"
optimize="yes"
protocols="yes"
vhook="default"
gray="no"
# build settings
SHFLAGS='-shared -Wl,-soname,$@'
......
libavcodec/mpegvideo.c
View file @ cde9e780
......@@ -1554,7 +1554,7 @@ static av_always_inline void mpeg_motion_lowres(MpegEncContext *s,
ff_emulated_edge_mc(s->edge_emu_buffer, ptr_y, s->linesize, 17, 17+field_based,
src_x, src_y<<field_based, h_edge_pos, v_edge_pos);
ptr_y = s->edge_emu_buffer;
if(!(s->flags&CODEC_FLAG_GRAY)){
if(!ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
uint8_t *uvbuf= s->edge_emu_buffer+18*s->linesize;
ff_emulated_edge_mc(uvbuf , ptr_cb, s->uvlinesize, 9, 9+field_based,
uvsrc_x, uvsrc_y<<field_based, h_edge_pos>>1, v_edge_pos>>1);
......@@ -1581,7 +1581,7 @@ static av_always_inline void mpeg_motion_lowres(MpegEncContext *s,
sy <<= 2 - lowres;
pix_op[lowres-1](dest_y, ptr_y, linesize, h, sx, sy);
if(!(s->flags&CODEC_FLAG_GRAY)){
if(!ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
uvsx <<= 2 - lowres;
uvsy <<= 2 - lowres;
pix_op[lowres](dest_cb, ptr_cb, uvlinesize, h >> s->chroma_y_shift, uvsx, uvsy);
......@@ -1687,7 +1687,7 @@ static inline void MPV_motion_lowres(MpegEncContext *s,
my += s->mv[dir][i][1];
}
if(!(s->flags&CODEC_FLAG_GRAY))
if(!ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY))
chroma_4mv_motion_lowres(s, dest_cb, dest_cr, ref_picture, pix_op, mx, my);
break;
case MV_TYPE_FIELD:
......@@ -1974,7 +1974,7 @@ static av_always_inline void MPV_decode_mb_internal(MpegEncContext *s, DCTELEM b
add_dequant_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize, s->qscale);
add_dequant_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize, s->qscale);
if(!(s->flags&CODEC_FLAG_GRAY)){
if(!ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
if (s->chroma_y_shift){
add_dequant_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale);
add_dequant_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale);
......@@ -1993,7 +1993,7 @@ static av_always_inline void MPV_decode_mb_internal(MpegEncContext *s, DCTELEM b
add_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize);
add_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize);
if(!(s->flags&CODEC_FLAG_GRAY)){
if(!ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
if(s->chroma_y_shift){//Chroma420
add_dct(s, block[4], 4, dest_cb, uvlinesize);
add_dct(s, block[5], 5, dest_cr, uvlinesize);
......@@ -2026,7 +2026,7 @@ static av_always_inline void MPV_decode_mb_internal(MpegEncContext *s, DCTELEM b
put_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize, s->qscale);
put_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize, s->qscale);
if(!(s->flags&CODEC_FLAG_GRAY)){
if(!ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
if(s->chroma_y_shift){
put_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale);
put_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale);
......@@ -2045,7 +2045,7 @@ static av_always_inline void MPV_decode_mb_internal(MpegEncContext *s, DCTELEM b
s->dsp.idct_put(dest_y + dct_offset , dct_linesize, block[2]);
s->dsp.idct_put(dest_y + dct_offset + block_size, dct_linesize, block[3]);
if(!(s->flags&CODEC_FLAG_GRAY)){
if(!ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
if(s->chroma_y_shift){
s->dsp.idct_put(dest_cb, uvlinesize, block[4]);
s->dsp.idct_put(dest_cr, uvlinesize, block[5]);
......
libavcodec/mpegvideo_common.h
View file @ cde9e780
......@@ -104,7 +104,7 @@ static inline void gmc1_motion(MpegEncContext *s,
}
}
if(s->flags&CODEC_FLAG_GRAY) return;
if(ENABLE_GRAY && s->flags&CODEC_FLAG_GRAY) return;
motion_x= s->sprite_offset[1][0];
motion_y= s->sprite_offset[1][1];
......@@ -173,7 +173,7 @@ static inline void gmc_motion(MpegEncContext *s,
a+1, (1<<(2*a+1)) - s->no_rounding,
s->h_edge_pos, s->v_edge_pos);
if(s->flags&CODEC_FLAG_GRAY) return;
if(ENABLE_GRAY && s->flags&CODEC_FLAG_GRAY) return;
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;
......@@ -318,7 +318,7 @@ if(s->quarter_sample)
ff_emulated_edge_mc(s->edge_emu_buffer, ptr_y, s->linesize, 17, 17+field_based,
src_x, src_y<<field_based, s->h_edge_pos, s->v_edge_pos);
ptr_y = s->edge_emu_buffer;
if(!(s->flags&CODEC_FLAG_GRAY)){
if(!ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
uint8_t *uvbuf= s->edge_emu_buffer+18*s->linesize;
ff_emulated_edge_mc(uvbuf , ptr_cb, s->uvlinesize, 9, 9+field_based,
uvsrc_x, uvsrc_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
......@@ -343,7 +343,7 @@ if(s->quarter_sample)
pix_op[0][dxy](dest_y, ptr_y, linesize, h);
if(!(s->flags&CODEC_FLAG_GRAY)){
if(!ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
pix_op[s->chroma_x_shift][uvdxy](dest_cb, ptr_cb, uvlinesize, h >> s->chroma_y_shift);
pix_op[s->chroma_x_shift][uvdxy](dest_cr, ptr_cr, uvlinesize, h >> s->chroma_y_shift);
}
......@@ -485,7 +485,7 @@ static inline void qpel_motion(MpegEncContext *s,
ff_emulated_edge_mc(s->edge_emu_buffer, ptr_y, s->linesize, 17, 17+field_based,
src_x, src_y<<field_based, s->h_edge_pos, s->v_edge_pos);
ptr_y= s->edge_emu_buffer;
if(!(s->flags&CODEC_FLAG_GRAY)){
if(!ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
uint8_t *uvbuf= s->edge_emu_buffer + 18*s->linesize;
ff_emulated_edge_mc(uvbuf, ptr_cb, s->uvlinesize, 9, 9 + field_based,
uvsrc_x, uvsrc_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
......@@ -515,7 +515,7 @@ static inline void qpel_motion(MpegEncContext *s,
qpix_op[1][dxy](dest_y , ptr_y , linesize);
qpix_op[1][dxy](dest_y+8, ptr_y+8, linesize);
}
if(!(s->flags&CODEC_FLAG_GRAY)){
if(!ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
pix_op[1][uvdxy](dest_cr, ptr_cr, uvlinesize, h >> 1);
pix_op[1][uvdxy](dest_cb, ptr_cb, uvlinesize, h >> 1);
}
......@@ -663,7 +663,7 @@ static inline void MPV_motion(MpegEncContext *s,
mx += mv[0][0];
my += mv[0][1];
}
if(!(s->flags&CODEC_FLAG_GRAY))
if(!ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY))
chroma_4mv_motion(s, dest_cb, dest_cr, ref_picture, pix_op[1], mx, my);
return;
......@@ -745,7 +745,7 @@ static inline void MPV_motion(MpegEncContext *s,
}
}
if(!(s->flags&CODEC_FLAG_GRAY))
if(!ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY))
chroma_4mv_motion(s, dest_cb, dest_cr, ref_picture, pix_op[1], mx, my);
break;
case MV_TYPE_FIELD:
......
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