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avaudec: don't put bogus 0 channel-mask on output caps for mono audio

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This commit is contained in:
Tim-Philipp Müller 2013-11-04 23:20:17 +00:00
parent e9e31ebada
commit 4072c40b8e
1 changed files with 7 additions and 9 deletions
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16
ext/libav/gstavcodecmap.c
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@ -522,20 +522,18 @@ gst_ff_aud_caps_new (AVCodecContext * context, AVCodec * codec,
/* fixed, non-probing context */
if (context != NULL && context->channels != -1) {
GstAudioChannelPosition pos[64];
guint64 mask;
caps = gst_caps_new_simple (mimetype,
"rate", G_TYPE_INT, context->sample_rate,
"channels", G_TYPE_INT, context->channels, NULL);
if (gst_ffmpeg_channel_layout_to_gst (context->channel_layout,
context->channels, pos)) {
guint64 mask;
if (gst_audio_channel_positions_to_mask (pos, context->channels, FALSE,
&mask)) {
gst_caps_set_simple (caps, "channel-mask", GST_TYPE_BITMASK, mask,
NULL);
}
if (context->channels > 1 &&
gst_ffmpeg_channel_layout_to_gst (context->channel_layout,
context->channels, pos) &&
gst_audio_channel_positions_to_mask (pos, context->channels, FALSE,
&mask)) {
gst_caps_set_simple (caps, "channel-mask", GST_TYPE_BITMASK, mask, NULL);
}
} else if (encode) {
gint maxchannels = 2;