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Warn if the source has unsupported (or no) channel layout.

This commit is contained in:
Carl Eugen Hoyos 2011-04-25 11:23:06 +02:00
parent f27ac6d83c
commit 6c93641683
1 changed files with 22 additions and 0 deletions
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22
libavcodec/flacenc.c
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@ -425,6 +425,28 @@ static av_cold int flac_encode_init(AVCodecContext *avctx)
if (!avctx->coded_frame)
return AVERROR(ENOMEM);
if (channels == 3 &&
avctx->channel_layout != (AV_CH_LAYOUT_STEREO|AV_CH_FRONT_CENTER) ||
channels == 4 &&
avctx->channel_layout != AV_CH_LAYOUT_2_2 &&
avctx->channel_layout != AV_CH_LAYOUT_QUAD ||
channels == 5 &&
avctx->channel_layout != AV_CH_LAYOUT_5POINT0 &&
avctx->channel_layout != AV_CH_LAYOUT_5POINT0_BACK ||
channels == 6 &&
avctx->channel_layout != AV_CH_LAYOUT_5POINT1 &&
avctx->channel_layout != AV_CH_LAYOUT_5POINT1_BACK) {
if (avctx->channel_layout) {
av_log(avctx, AV_LOG_ERROR, "Channel layout not supported by Flac, "
"output stream will have incorrect "
"channel layout.\n");
} else {
av_log(avctx, AV_LOG_WARNING, "No channel layout specified. The encoder "
"will use Flac channel layout for "
"%d channels.\n", channels);
}
}
ret = ff_lpc_init(&s->lpc_ctx, avctx->frame_size,
s->options.max_prediction_order, AV_LPC_TYPE_LEVINSON);