diff options
| -rw-r--r-- | libavcodec/utils.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/libavcodec/utils.c b/libavcodec/utils.c index 90f2537..62fc1b5 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -569,8 +569,28 @@ int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags) frame->sample_rate = avctx->sample_rate; if (frame->format < 0) frame->format = avctx->sample_fmt; - if (!frame->channel_layout) - frame->channel_layout = avctx->channel_layout; + if (!frame->channel_layout) { + if (avctx->channel_layout) { + if (av_get_channel_layout_nb_channels(avctx->channel_layout) != + avctx->channels) { + av_log(avctx, AV_LOG_ERROR, "Inconsistent channel " + "configuration.\n"); + return AVERROR(EINVAL); + } + + frame->channel_layout = avctx->channel_layout; + } else { + if (avctx->channels > FF_SANE_NB_CHANNELS) { + av_log(avctx, AV_LOG_ERROR, "Too many channels: %d.\n", + avctx->channels); + return AVERROR(ENOSYS); + } + + frame->channel_layout = av_get_default_channel_layout(avctx->channels); + if (!frame->channel_layout) + frame->channel_layout = (1ULL << avctx->channels) - 1; + } + } break; default: return AVERROR(EINVAL); } |
