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write actual min and max frame size to FLAC header. update regression test checksum.

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Originally committed as revision 15331 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Justin Ruggles 2008-09-14 22:25:50 +00:00
parent dd857bfdf7
commit 6682ae42a4
3 changed files with 13 additions and 3 deletions
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12
libavcodec/flacenc.c
View File

@ -95,7 +95,10 @@ typedef struct FlacEncodeContext {
int ch_code;
int samplerate;
int sr_code[2];
int min_framesize;
int min_encoded_framesize;
int max_framesize;
int max_encoded_framesize;
uint32_t frame_count;
uint64_t sample_count;
uint8_t md5sum[16];
@ -133,7 +136,7 @@ static void write_streaminfo(FlacEncodeContext *s, uint8_t *header)
/* streaminfo metadata block */
put_bits(&pb, 16, s->avctx->frame_size);
put_bits(&pb, 16, s->avctx->frame_size);
put_bits(&pb, 24, 0);
put_bits(&pb, 24, s->min_framesize);
put_bits(&pb, 24, s->max_framesize);
put_bits(&pb, 20, s->samplerate);
put_bits(&pb, 3, s->channels-1);
@ -374,6 +377,7 @@ static av_cold int flac_encode_init(AVCodecContext *avctx)
} else {
s->max_framesize = 14 + (s->avctx->frame_size * s->channels * 2);
}
s->min_encoded_framesize = 0xFFFFFF;
/* initialize MD5 context */
s->md5ctx = av_malloc(av_md5_size);
@ -1278,6 +1282,8 @@ static int flac_encode_frame(AVCodecContext *avctx, uint8_t *frame,
/* when the last block is reached, update the header in extradata */
if (!data) {
s->min_framesize = s->min_encoded_framesize;
s->max_framesize = s->max_encoded_framesize;
av_md5_final(s->md5ctx, s->md5sum);
write_streaminfo(s, avctx->extradata);
return 0;
@ -1318,6 +1324,10 @@ write_frame:
s->frame_count++;
s->sample_count += avctx->frame_size;
update_md5_sum(s, samples);
if (out_bytes > s->max_encoded_framesize)
s->max_encoded_framesize = out_bytes;
if (out_bytes < s->min_encoded_framesize)
s->min_encoded_framesize = out_bytes;
return out_bytes;
}

2
tests/ffmpeg.regression.ref
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@ -201,7 +201,7 @@ de1122d20d56c44cf49f028e25a67788 *./tests/data/a-adpcm_swf.flv
267073 ./tests/data/a-adpcm_swf.flv
e48b800e2d9be6afcd430d4f08a34eb6 *./tests/data/adpcm_swf.vsynth.out.wav
stddev: 934.28 PSNR: 36.91 bytes: 1056812/ 1058444
10a8bf5796004b150c7aed115cbafef5 *./tests/data/a-flac.flac
7781a016edfc242a39e4d65af02d861a *./tests/data/a-flac.flac
353368 ./tests/data/a-flac.flac
95e54b261530a1bcf6de6fe3b21dc5f6 *./tests/data/flac.vsynth.out.wav
stddev: 0.00 PSNR:999.99 bytes: 1058444/ 1058444

2
tests/rotozoom.regression.ref
View File

@ -201,7 +201,7 @@ de1122d20d56c44cf49f028e25a67788 *./tests/data/a-adpcm_swf.flv
267073 ./tests/data/a-adpcm_swf.flv
e48b800e2d9be6afcd430d4f08a34eb6 *./tests/data/adpcm_swf.rotozoom.out.wav
stddev: 934.28 PSNR: 36.91 bytes: 1056812/ 1058444
10a8bf5796004b150c7aed115cbafef5 *./tests/data/a-flac.flac
7781a016edfc242a39e4d65af02d861a *./tests/data/a-flac.flac
353368 ./tests/data/a-flac.flac
95e54b261530a1bcf6de6fe3b21dc5f6 *./tests/data/flac.rotozoom.out.wav
stddev: 0.00 PSNR:999.99 bytes: 1058444/ 1058444