29 lines
1.1 KiB
Diff
29 lines
1.1 KiB
Diff
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diff --git a/include/libmkv.h b/include/libmkv.h
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index 146a91f..f03d608 100644
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--- a/include/libmkv.h
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+++ b/include/libmkv.h
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@@ -203,6 +204,7 @@ struct mk_TrackConfig_s {
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} video;
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struct {
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float samplingFreq; /* Sampling Frequency in Hz */
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+ float outputSamplingFreq; /* Playback Sampling Frequency in Hz (e.g. for AAC w/SBR) */
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unsigned channels; /* Number of channels for this track */
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unsigned bitDepth; /* Bits per sample (PCM) */
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} audio;
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diff --git a/src/tracks.c b/src/tracks.c
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index f9c7e48..a2a60ca 100644
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--- a/src/tracks.c
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+++ b/src/tracks.c
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@@ -174,6 +174,11 @@ mk_Track *mk_createTrack(mk_Writer *w, mk_TrackConfig *tc)
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/* SamplingFrequency */
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if (mk_writeFloat(v, MATROSKA_ID_AUDIOSAMPLINGFREQ, tc->extra.audio.samplingFreq) < 0)
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return NULL;
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+ if (tc->extra.audio.outputSamplingFreq) {
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+ /* Output SamplingFrequency */
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+ if (mk_writeFloat(v, MATROSKA_ID_AUDIOOUTSAMPLINGFREQ, tc->extra.audio.outputSamplingFreq) < 0)
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+ return NULL;
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+ }
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/* Channels */
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if (mk_writeUInt(v, MATROSKA_ID_AUDIOCHANNELS, tc->extra.audio.channels) < 0)
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return NULL;
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