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vocenc: abort if unsupported codec is used

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2012-11-04 03:59:08 +00:00
parent 4a2599b0e6
commit 1c5b56eec7
1 changed files with 6 additions and 0 deletions
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6
libavformat/vocenc.c
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@ -30,6 +30,7 @@ typedef struct voc_enc_context {
static int voc_write_header(AVFormatContext *s)
{
AVIOContext *pb = s->pb;
AVCodecContext *enc = s->streams[0]->codec;
const int header_size = 26;
const int version = 0x0114;
@ -37,6 +38,11 @@ static int voc_write_header(AVFormatContext *s)
|| s->streams[0]->codec->codec_type != AVMEDIA_TYPE_AUDIO)
return AVERROR_PATCHWELCOME;
if (!enc->codec_tag || enc->codec_tag > 0xffff) {
av_log(s, AV_LOG_ERROR, "unsupported codec\n");
return AVERROR(EINVAL);
}
avio_write(pb, ff_voc_magic, sizeof(ff_voc_magic) - 1);
avio_wl16(pb, header_size);
avio_wl16(pb, version);