matroskadec: factorize some code

Originally committed as revision 19693 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2009-08-24 13:40:30 +00:00
parent deb1b2b699
commit e26444079c

View File

@ -1254,7 +1254,6 @@ static int matroska_read_header(AVFormatContext *s, AVFormatParameters *ap)
ff_get_wav_header(&b, st->codec, track->codec_priv.size);
codec_id = st->codec->codec_id;
extradata_offset = 18;
track->codec_priv.size -= extradata_offset;
} else if (!strcmp(track->codec_id, "V_QUICKTIME")
&& (track->codec_priv.size >= 86)
&& (track->codec_priv.data != NULL)) {
@ -1306,7 +1305,6 @@ static int matroska_read_header(AVFormatContext *s, AVFormatParameters *ap)
} else if (codec_id == CODEC_ID_RV10 || codec_id == CODEC_ID_RV20 ||
codec_id == CODEC_ID_RV30 || codec_id == CODEC_ID_RV40) {
extradata_offset = 26;
track->codec_priv.size -= extradata_offset;
} else if (codec_id == CODEC_ID_RA_144) {
track->audio.out_samplerate = 8000;
track->audio.channels = 1;
@ -1327,9 +1325,9 @@ static int matroska_read_header(AVFormatContext *s, AVFormatParameters *ap)
} else {
st->codec->block_align = track->audio.sub_packet_size;
extradata_offset = 78;
track->codec_priv.size -= extradata_offset;
}
}
track->codec_priv.size -= extradata_offset;
if (codec_id == CODEC_ID_NONE)
av_log(matroska->ctx, AV_LOG_INFO,