mirror of https://git.ffmpeg.org/ffmpeg.git
au: reuse the result of the previous call to av_get_bits_per_sample()
Avoid an unnecessary call to the function, slighlty more robust/readable.
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633aa01f72
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daa6237229
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@ -120,7 +120,7 @@ static int au_probe(AVProbeData *p)
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static int au_read_header(AVFormatContext *s,
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AVFormatParameters *ap)
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{
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int size, data_size = 0;
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int size, bps, data_size = 0;
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unsigned int tag;
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AVIOContext *pb = s->pb;
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unsigned int id, channels, rate;
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@ -145,7 +145,7 @@ static int au_read_header(AVFormatContext *s,
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codec = ff_codec_get_id(codec_au_tags, id);
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if (!av_get_bits_per_sample(codec)) {
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if (!(bps = av_get_bits_per_sample(codec))) {
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av_log_ask_for_sample(s, "could not determine bits per sample\n");
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return AVERROR_INVALIDDATA;
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}
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@ -164,7 +164,7 @@ static int au_read_header(AVFormatContext *s,
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st->codec->codec_id = codec;
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st->codec->channels = channels;
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st->codec->sample_rate = rate;
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st->duration = (((int64_t)data_size)<<3) / (st->codec->channels * av_get_bits_per_sample(codec));
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st->duration = (((int64_t)data_size)<<3) / (st->codec->channels * bps);
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av_set_pts_info(st, 64, 1, rate);
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return 0;
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}
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