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opusenc: do not cause the decoder to apply the channel mapping again

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Since we already reorder channels, we do not want to write that
reordering in the header, or the decoder will do it again.
This commit is contained in:
Vincent Penquerc'h 2011-11-25 12:40:31 +00:00
parent 5f85454020
commit f78c83a0b6
1 changed files with 6 additions and 2 deletions
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8
ext/opus/gstopusenc.c
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@ -532,13 +532,17 @@ gst_opus_enc_set_format (GstAudioEncoder * benc, GstAudioInfo * info)
static gboolean static gboolean
gst_opus_enc_setup (GstOpusEnc * enc) gst_opus_enc_setup (GstOpusEnc * enc)
{ {
int error = OPUS_OK; int error = OPUS_OK, n;
guint8 trivial_mapping[256];
GST_DEBUG_OBJECT (enc, "setup"); GST_DEBUG_OBJECT (enc, "setup");
for (n = 0; n < 256; ++n)
trivial_mapping[n] = n;
enc->state = enc->state =
opus_multistream_encoder_create (enc->sample_rate, enc->n_channels, opus_multistream_encoder_create (enc->sample_rate, enc->n_channels,
(enc->n_channels + 1) / 2, enc->n_channels / 2, enc->channel_mapping, (enc->n_channels + 1) / 2, enc->n_channels / 2, trivial_mapping,
enc->audio_or_voip ? OPUS_APPLICATION_AUDIO : OPUS_APPLICATION_VOIP, enc->audio_or_voip ? OPUS_APPLICATION_AUDIO : OPUS_APPLICATION_VOIP,
&error); &error);
if (!enc->state || error != OPUS_OK) if (!enc->state || error != OPUS_OK)