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jackaudiosrc: Port to the new multichannel audio caps

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This commit is contained in:
Sebastian Dröge 2012-01-04 14:52:46 +01:00
parent e1bf53562e
commit 531d611f83
3 changed files with 25 additions and 28 deletions
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2
ext/jack/gstjackaudiosrc.c
View file

@ -428,7 +428,7 @@ gst_jack_ring_buffer_acquire (GstAudioRingBuffer * buf,
if (!gst_jack_audio_src_allocate_channels (src, channels))
goto out_of_ports;
gst_jack_set_layout_on_caps (&spec->caps, channels);
gst_jack_set_layout (buf, spec);
buffer_size = jack_get_buffer_size (client);

48
ext/jack/gstjackutil.c
View file

@ -18,12 +18,12 @@
*/
#include "gstjackutil.h"
#include <gst/audio/multichannel.h>
#include <gst/audio/audio.h>
static const GstAudioChannelPosition default_positions[8][8] = {
/* 1 channel */
{
GST_AUDIO_CHANNEL_POSITION_FRONT_MONO,
GST_AUDIO_CHANNEL_POSITION_MONO,
},
/* 2 channels */
{
@ -34,7 +34,7 @@ static const GstAudioChannelPosition default_positions[8][8] = {
{
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
GST_AUDIO_CHANNEL_POSITION_LFE, /* or FRONT_CENTER for 3.0? */
GST_AUDIO_CHANNEL_POSITION_LFE1, /* or FRONT_CENTER for 3.0? */
},
/* 4 channels (4.0 or 3.1?) */
{
@ -58,7 +58,7 @@ static const GstAudioChannelPosition default_positions[8][8] = {
GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
GST_AUDIO_CHANNEL_POSITION_LFE,
GST_AUDIO_CHANNEL_POSITION_LFE1,
},
/* 7 channels */
{
@ -67,7 +67,7 @@ static const GstAudioChannelPosition default_positions[8][8] = {
GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
GST_AUDIO_CHANNEL_POSITION_LFE,
GST_AUDIO_CHANNEL_POSITION_LFE1,
GST_AUDIO_CHANNEL_POSITION_REAR_CENTER,
},
/* 8 channels */
@ -77,7 +77,7 @@ static const GstAudioChannelPosition default_positions[8][8] = {
GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
GST_AUDIO_CHANNEL_POSITION_LFE,
GST_AUDIO_CHANNEL_POSITION_LFE1,
GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT,
GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT,
}
@ -87,28 +87,24 @@ static const GstAudioChannelPosition default_positions[8][8] = {
/* if channels are less than or equal to 8, we set a default layout,
* otherwise set layout to an array of GST_AUDIO_CHANNEL_POSITION_NONE */
void
gst_jack_set_layout_on_caps (GstCaps ** caps, gint channels)
gst_jack_set_layout (GstAudioRingBuffer * buffer, GstAudioRingBufferSpec * spec)
{
int c;
GValue pos = { 0 };
GValue chanpos = { 0 };
gst_caps_unref (*caps);
gint i;
if (channels <= 8) {
g_assert (channels >= 1);
gst_audio_set_channel_positions (gst_caps_get_structure (*caps, 0),
default_positions[channels - 1]);
if (spec->info.channels <= 8) {
for (i = 0; i < spec->info.channels; i++)
spec->info.position[i] = default_positions[spec->info.channels - 1][i];
gst_audio_channel_positions_to_valid_order (spec->info.position,
spec->info.channels);
gst_audio_ring_buffer_set_channel_positions (buffer,
default_positions[spec->info.channels - 1]);
} else {
g_value_init (&chanpos, GST_TYPE_ARRAY);
g_value_init (&pos, GST_TYPE_AUDIO_CHANNEL_POSITION);
for (c = 0; c < channels; c++) {
g_value_set_enum (&pos, GST_AUDIO_CHANNEL_POSITION_NONE);
gst_value_array_append_value (&chanpos, &pos);
}
g_value_unset (&pos);
gst_structure_set_value (gst_caps_get_structure (*caps, 0),
"channel-positions", &chanpos);
g_value_unset (&chanpos);
spec->info.flags |= GST_AUDIO_FLAG_UNPOSITIONED;
for (i = 0; i < G_N_ELEMENTS (spec->info.position); i++)
spec->info.position[i] = GST_AUDIO_CHANNEL_POSITION_NONE;
gst_audio_ring_buffer_set_channel_positions (buffer, spec->info.position);
}
gst_caps_ref (*caps);
gst_caps_unref (spec->caps);
spec->caps = gst_audio_info_to_caps (&spec->info);
}

3
ext/jack/gstjackutil.h
View file

@ -23,8 +23,9 @@
#define _GST_JACK_UTIL_H_
#include <gst/gst.h>
#include <gst/audio/gstaudioringbuffer.h>
void
gst_jack_set_layout_on_caps (GstCaps **caps, gint channels);
gst_jack_set_layout (GstAudioRingBuffer * buffer, GstAudioRingBufferSpec *spec);
#endif // _GST_JACK_UTIL_H_