mirror of https://git.ffmpeg.org/ffmpeg.git
ffmdec: validate sample_rate
A negative sample rate doesn't make sense and triggers assertions in av_rescale_rnd. Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
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@ -432,6 +432,11 @@ static int ffm2_read_header(AVFormatContext *s)
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goto fail;
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}
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codec->sample_rate = avio_rb32(pb);
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if (codec->sample_rate <= 0) {
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av_log(s, AV_LOG_ERROR, "Invalid sample rate %d\n", codec->sample_rate);
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ret = AVERROR_INVALIDDATA;
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goto fail;
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}
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codec->channels = avio_rl16(pb);
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codec->frame_size = avio_rl16(pb);
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break;
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@ -628,6 +633,10 @@ static int ffm_read_header(AVFormatContext *s)
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break;
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case AVMEDIA_TYPE_AUDIO:
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codec->sample_rate = avio_rb32(pb);
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if (codec->sample_rate <= 0) {
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av_log(s, AV_LOG_ERROR, "Invalid sample rate %d\n", codec->sample_rate);
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goto fail;
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}
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codec->channels = avio_rl16(pb);
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codec->frame_size = avio_rl16(pb);
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break;
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