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ffmpeg.wasm-core
Commit 8dd0a2c5 authored by Vittorio Giovara's avatar Vittorio Giovara
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libopusenc: prevent an out-of-bounds read by returning early 

CC: libav-stable@libav.org
Bug-Id: CID 1244188
parent b09cf8af
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Showing with 4 additions and 3 deletions
libavcodec/libopusenc.c
View file @ 8dd0a2c5
...@@ -163,10 +163,11 @@ static int av_cold libopus_encode_init(AVCodecContext *avctx) ...@@ -163,10 +163,11 @@ static int av_cold libopus_encode_init(AVCodecContext *avctx)
/* FIXME: Opus can handle up to 255 channels. However, the mapping for /* FIXME: Opus can handle up to 255 channels. However, the mapping for
* anything greater than 8 is undefined. */ * anything greater than 8 is undefined. */
if (avctx->channels > 8) if (avctx->channels > 8) {
av_log(avctx, AV_LOG_WARNING, av_log(avctx, AV_LOG_ERROR,
"Channel layout undefined for %d channels.\n", avctx->channels); "Channel layout undefined for %d channels.\n", avctx->channels);
return AVERROR_PATCHWELCOME;
}
if (!avctx->bit_rate) { if (!avctx->bit_rate) {
/* Sane default copied from opusenc */ /* Sane default copied from opusenc */
avctx->bit_rate = 64000 * opus->stream_count + avctx->bit_rate = 64000 * opus->stream_count +
......
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