diff options
| -rw-r--r-- | libavcodec/utils.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/libavcodec/utils.c b/libavcodec/utils.c index 0226e36ee7..b2313860d0 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -513,7 +513,14 @@ static int64_t get_bit_rate(AVCodecContext *ctx) break; case AVMEDIA_TYPE_AUDIO: bits_per_sample = av_get_bits_per_sample(ctx->codec_id); - bit_rate = bits_per_sample ? ctx->sample_rate * (int64_t)ctx->channels * bits_per_sample : ctx->bit_rate; + if (bits_per_sample) { + bit_rate = ctx->sample_rate * (int64_t)ctx->channels; + if (bit_rate > INT64_MAX / bits_per_sample) { + bit_rate = 0; + } else + bit_rate *= bits_per_sample; + } else + bit_rate = ctx->bit_rate; break; default: bit_rate = 0; |