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Code Issues Releases Activity

fixing unused f_code values

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10l (forgot to update the regression test scores after the closed gop bit fix)

Originally committed as revision 2185 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2003-08-30 19:40:30 +00:00
parent dc98fc8d17
commit cb231c4866
3 changed files with 26 additions and 12 deletions
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26
libavcodec/mpeg12.c
View File

@ -392,13 +392,19 @@ void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number)
// RAL: Forward f_code also needed for B frames
if (s->pict_type == P_TYPE || s->pict_type == B_TYPE) {
put_bits(&s->pb, 1, 0); /* half pel coordinates */
put_bits(&s->pb, 3, s->f_code); /* forward_f_code */
if(s->codec_id == CODEC_ID_MPEG1VIDEO)
put_bits(&s->pb, 3, s->f_code); /* forward_f_code */
else
put_bits(&s->pb, 3, 7); /* forward_f_code */
}
// RAL: Backward f_code necessary for B frames
if (s->pict_type == B_TYPE) {
put_bits(&s->pb, 1, 0); /* half pel coordinates */
put_bits(&s->pb, 3, s->b_code); /* backward_f_code */
if(s->codec_id == CODEC_ID_MPEG1VIDEO)
put_bits(&s->pb, 3, s->b_code); /* backward_f_code */
else
put_bits(&s->pb, 3, 7); /* backward_f_code */
}
put_bits(&s->pb, 1, 0); /* extra bit picture */
@ -406,10 +412,18 @@ void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number)
if(s->codec_id == CODEC_ID_MPEG2VIDEO){
put_header(s, EXT_START_CODE);
put_bits(&s->pb, 4, 8); //pic ext
put_bits(&s->pb, 4, s->f_code);
put_bits(&s->pb, 4, s->f_code);
put_bits(&s->pb, 4, s->b_code);
put_bits(&s->pb, 4, s->b_code);
if (s->pict_type == P_TYPE || s->pict_type == B_TYPE) {
put_bits(&s->pb, 4, s->f_code);
put_bits(&s->pb, 4, s->f_code);
}else{
put_bits(&s->pb, 8, 255);
}
if (s->pict_type == B_TYPE) {
put_bits(&s->pb, 4, s->b_code);
put_bits(&s->pb, 4, s->b_code);
}else{
put_bits(&s->pb, 8, 255);
}
put_bits(&s->pb, 2, s->intra_dc_precision);
put_bits(&s->pb, 2, s->picture_structure= PICT_FRAME);
put_bits(&s->pb, 1, s->top_field_first);

6
tests/ffmpeg.regression.ref
View File

@ -1,8 +1,8 @@
ffmpeg regression test
6787ecce1da78d5e0cdeb35931f3212c *./data/a-mpeg1.mpg
b85daef6da4204e2f85376a34d9ada8d *./data/a-mpeg1.mpg
6713259d72260740bbddaea30631ea18 *./data/out.yuv
stddev: 7.58 bytes:7299072
40b1ce56144067f5c8d4df422705ae6a *./data/a-mpeg2.vob
6640be3963445c470f148382aab77af0 *./data/a-mpeg2.vob
9f5d85c6473b802a9d86cfc01a3ed046 *./data/out.yuv
stddev: 7.66 bytes:7450624
d0dc46dd831398237a690ebbeff18b64 *./data/a-msmpeg4v2.avi
@ -35,7 +35,7 @@ stddev: 10.53 bytes:7145472
2cbab98ebef5fbd229c66fb6435bf9a2 *./data/a-mpeg4-adv.avi
b54262af56f6681186fa2c44e4ef6ec7 *./data/out.yuv
stddev: 7.32 bytes:7602176
5515306aa3c69112ee627023856bd696 *./data/a-mpeg1b.mpg
3fd47ba846e8d7631304d945af410da2 *./data/a-mpeg1b.mpg
bd047a4567c366566da96874d176199d *./data/out.yuv
stddev: 6.35 bytes:6993920
07042f42b3119c39eb26537a84a451df *./data/a-mjpeg.avi

6
tests/rotozoom.regression.ref
View File

@ -1,8 +1,8 @@
ffmpeg regression test
6dce999b1f02a94dfd6d6222caf06ff1 *./data/a-mpeg1.mpg
31334d408162b55725075347e382d313 *./data/a-mpeg1.mpg
0cf790edd0f4c5cf993c2d59211b9de2 *./data/out.yuv
stddev: 4.91 bytes:7299072
bbb41fb21c836cff975442e583702216 *./data/a-mpeg2.vob
8d7dcc133e04f24f3fb40cdada990b24 *./data/a-mpeg2.vob
f5436b327c38b66eb95f3428aff790f1 *./data/out.yuv
stddev: 4.94 bytes:7450624
14db391f167b52b21a983157b410affc *./data/a-msmpeg4v2.avi
@ -35,7 +35,7 @@ stddev: 4.32 bytes:7145472
aeb300900461bdf9e0321934aa6dcc93 *./data/a-mpeg4-adv.avi
e465df12f2c8a6492a6ec0b1bddc1d0d *./data/out.yuv
stddev: 4.97 bytes:7602176
fc873784878d9588e748c1494df606be *./data/a-mpeg1b.mpg
33c05290014210e4fb890a11954e1a00 *./data/a-mpeg1b.mpg
c9b8f923d91d6a574b0673e05fd2d6bd *./data/out.yuv
stddev: 4.61 bytes:6993920
e9218a1db885fe0262e88f9df630307d *./data/a-mjpeg.avi