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| author | Michael Niedermayer <michaelni@gmx.at> | 2014-07-26 22:00:07 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-07-26 22:01:08 +0200 |
| commit | ead22f42f4fc078bb60549238233d5862da5a488 (patch) | |
| tree | f7f84a52fb2db00330f3c5b1dbed01d5eda0a311 | |
| parent | 9ccb9c8df256dc7a3e525bcc011938866caccce0 (diff) | |
| download | ffmpeg-ead22f42f4fc078bb60549238233d5862da5a488.tar.gz | |
doc/examples/muxing: pick a supported channel layout if stereo isnt supported by the encoder
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | doc/examples/muxing.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/doc/examples/muxing.c b/doc/examples/muxing.c index b979b6d1f7..76169a4911 100644 --- a/doc/examples/muxing.c +++ b/doc/examples/muxing.c @@ -93,6 +93,7 @@ static void add_stream(OutputStream *ost, AVFormatContext *oc, enum AVCodecID codec_id) { AVCodecContext *c; + int i; /* find the encoder */ *codec = avcodec_find_encoder(codec_id); @@ -116,8 +117,15 @@ static void add_stream(OutputStream *ost, AVFormatContext *oc, (*codec)->sample_fmts[0] : AV_SAMPLE_FMT_FLTP; c->bit_rate = 64000; c->sample_rate = 44100; - c->channels = 2; c->channel_layout = AV_CH_LAYOUT_STEREO; + if ((*codec)->channel_layouts) { + c->channel_layout = (*codec)->channel_layouts[0]; + for (i = 0; (*codec)->channel_layouts[i]; i++) { + if ((*codec)->channel_layouts[i] == AV_CH_LAYOUT_STEREO) + c->channel_layout = AV_CH_LAYOUT_STEREO; + } + } + c->channels = av_get_channel_layout_nb_channels(c->channel_layout); ost->st->time_base = (AVRational){ 1, c->sample_rate }; break; |