avcodec/mpegaudiodec_template/mp3on4: check that all channels have been decoded before returnig a frame
Fixes use of uninitialized memory Fixes: msan_uninit-mem_7f80bf9a259e_5774_id5_1.mp4 Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -1962,6 +1962,10 @@ static int decode_frame_mp3on4(AVCodecContext *avctx, void *data,
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avctx->bit_rate += m->bit_rate;
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}
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if (ch != avctx->channels) {
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av_log(avctx, AV_LOG_ERROR, "failed to decode all channels\n");
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return AVERROR_INVALIDDATA;
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}
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/* update codec info */
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avctx->sample_rate = s->mp3decctx[0]->sample_rate;
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