har0ke/FFmpeg
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fix multi-channel encoding with libfaac.

Browse Source
This commit is contained in:
Carl Eugen Hoyos 2012-01-25 03:51:49 +01:00
parent 749e5dc1fd
commit 7988dd1b9a
1 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
libavcodec/libfaac.c
View File

@ -31,6 +31,13 @@ typedef struct FaacAudioContext {
faacEncHandle faac_handle;
} FaacAudioContext;
static const int channel_maps[][6] = {
{ 2, 0, 1 }, //< C L R
{ 2, 0, 1, 3 }, //< C L R Cs
{ 2, 0, 1, 3, 4 }, //< C L R Ls Rs
{ 2, 0, 1, 4, 5, 3 }, //< C L R Ls Rs LFE
};
static av_cold int Faac_encode_init(AVCodecContext *avctx)
{
FaacAudioContext *s = avctx->priv_data;
@ -86,6 +93,9 @@ static av_cold int Faac_encode_init(AVCodecContext *avctx)
}
faac_cfg->outputFormat = 1;
faac_cfg->inputFormat = FAAC_INPUT_16BIT;
if (avctx->channels > 2)
memcpy(faac_cfg->channel_map, channel_maps[avctx->channels-3],
avctx->channels * sizeof(int));
avctx->frame_size = samples_input / avctx->channels;