virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-10 06:10:52 +02:00
Code Issues Releases Activity

shorten: skip some fields in the WAV header embedded in the shorten header.

Browse Source 
fixes incorrect bitrate reporting and potential misreporting of the number of
channels.
This commit is contained in:
Justin Ruggles
2011-09-14 15:20:22 -04:00
parent a1f7885a8b
commit 07745485ef
1 changed files with 4 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
libavcodec/shorten.c
View File

@@ -231,10 +231,10 @@ static int decode_wave_header(AVCodecContext *avctx, uint8_t *header, int header
return -1; return -1;
} }
avctx->channels = get_le16(&hb); skip_bits(&hb, 16); // skip channels (already got from shorten header)
avctx->sample_rate = get_le32(&hb); avctx->sample_rate = get_le32(&hb);
avctx->bit_rate = get_le32(&hb) * 8; skip_bits(&hb, 32); // skip bit rate (represents original uncompressed bit rate)
avctx->block_align = get_le16(&hb); skip_bits(&hb, 16); // skip block align (not needed)
avctx->bits_per_coded_sample = get_le16(&hb); avctx->bits_per_coded_sample = get_le16(&hb);
if (avctx->bits_per_coded_sample != 16) { if (avctx->bits_per_coded_sample != 16) {
@@ -295,6 +295,7 @@ static int read_header(ShortenContext *s)
av_log(s->avctx, AV_LOG_ERROR, "too many channels: %d\n", s->channels); av_log(s->avctx, AV_LOG_ERROR, "too many channels: %d\n", s->channels);
return -1; return -1;
} }
s->avctx->channels = s->channels;
/* get blocksize if version > 0 */ /* get blocksize if version > 0 */
if (s->version > 0) { if (s->version > 0) {