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try to select w/h from tables

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Originally committed as revision 3443 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Alex Beregszaszi 2004-09-08 17:57:25 +00:00
parent cf7f2b16dd
commit b2a1c77162
2 changed files with 20 additions and 8 deletions
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24
libavcodec/svq1.c
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@ -880,6 +880,8 @@ static int svq1_decode_end(AVCodecContext *avctx)
static void svq1_write_header(SVQ1Context *s, int frame_type)
{
int i;
/* frame code */
put_bits(&s->pb, 22, 0x20);
@ -898,12 +900,22 @@ static void svq1_write_header(SVQ1Context *s, int frame_type)
/* output 5 unknown bits (2 + 2 + 1) */
put_bits(&s->pb, 5, 0);
/* forget about matching up resolutions, just use the free-form
* resolution code (7) for now */
put_bits(&s->pb, 3, 7);
put_bits(&s->pb, 12, s->frame_width);
put_bits(&s->pb, 12, s->frame_height);
for (i = 0; i < 7; i++)
{
if ((svq1_frame_size_table[i].width == s->frame_width) &&
(svq1_frame_size_table[i].height == s->frame_height))
{
put_bits(&s->pb, 3, i);
break;
}
}
if (i == 7)
{
put_bits(&s->pb, 3, 7);
put_bits(&s->pb, 12, s->frame_width);
put_bits(&s->pb, 12, s->frame_height);
}
}
/* no checksum or extra data (next 2 bits get 0) */

4
tests/ffmpeg.regression.ref
View File

@ -107,8 +107,8 @@ stddev: 8.08 PSNR:29.97 bytes:7602176
2653690 ./data/a-ffv1.avi
799d3db687f6cdd7a837ec156efc171f *./data/out.yuv
stddev: 0.00 PSNR:99.99 bytes:7602176
c672f70e2176a897b1ba816749574751 *./data/a-svq1.mov
1384019 ./data/a-svq1.mov
b92d6d901574ea17e43e96ea97637078 *./data/a-svq1.mov
1383999 ./data/a-svq1.mov
ccc201054669e94717022bb4f2aea4ce *./data/out.yuv
stddev: 10.99 PSNR:27.30 bytes:7602176
21f8ff9f1daacd9133683bb4ea0f50a4 *./data/a-mp2.mp2