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Fix decoding of: 

http://samples.mplayerhq.hu/A-codecs/msgsm/levis.avi
http://samples.mplayerhq.hu/A-codecs/msgsm/wernfried_1.avi

partially fix decoding of:
http://samples.mplayerhq.hu/A-codecs/GSM/sample-gsm-8000.gsm

Allow the user to encode non standard samplerates by using -strict

Originally committed as revision 13020 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-04-29 18:31:29 +00:00
parent e6dba5dfab
commit ef79ef3c11
1 changed files with 11 additions and 0 deletions
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11
libavcodec/libgsm.c
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@ -41,9 +41,18 @@ static av_cold int libgsm_init(AVCodecContext *avctx) {
avctx->channels); avctx->channels);
return -1; return -1;
} }
if(avctx->codec->decode){
if(!avctx->channels)
avctx->channels= 1;
if(!avctx->sample_rate)
avctx->sample_rate= 8000;
}else{
if (avctx->sample_rate != 8000) { if (avctx->sample_rate != 8000) {
av_log(avctx, AV_LOG_ERROR, "Sample rate 8000Hz required for GSM, got %dHz\n", av_log(avctx, AV_LOG_ERROR, "Sample rate 8000Hz required for GSM, got %dHz\n",
avctx->sample_rate); avctx->sample_rate);
if(avctx->strict_std_compliance > FF_COMPLIANCE_INOFFICIAL)
return -1; return -1;
} }
if (avctx->bit_rate != 13000 /* Official */ && if (avctx->bit_rate != 13000 /* Official */ &&
@ -51,8 +60,10 @@ static av_cold int libgsm_init(AVCodecContext *avctx) {
avctx->bit_rate != 0 /* Unknown; a.o. mov does not set bitrate when decoding */ ) { avctx->bit_rate != 0 /* Unknown; a.o. mov does not set bitrate when decoding */ ) {
av_log(avctx, AV_LOG_ERROR, "Bitrate 13000bps required for GSM, got %dbps\n", av_log(avctx, AV_LOG_ERROR, "Bitrate 13000bps required for GSM, got %dbps\n",
avctx->bit_rate); avctx->bit_rate);
if(avctx->strict_std_compliance > FF_COMPLIANCE_INOFFICIAL)
return -1; return -1;
} }
}
avctx->priv_data = gsm_create(); avctx->priv_data = gsm_create();