avformat/apc: use ff_get_extradata()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-12-25 16:37:42 +01:00
parent b59740eae5
commit 9e5fa1e55d

View File

@ -52,11 +52,9 @@ static int apc_read_header(AVFormatContext *s)
avio_rl32(pb); /* number of samples */
st->codec->sample_rate = avio_rl32(pb);
if (ff_alloc_extradata(st->codec, 2 * 4))
return AVERROR(ENOMEM);
/* initial predictor values for adpcm decoder */
avio_read(pb, st->codec->extradata, 2 * 4);
if (ff_get_extradata(st->codec, pb, 2 * 4) < 0)
return AVERROR(ENOMEM);
if (avio_rl32(pb)) {
st->codec->channels = 2;