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osxaudio: call set_channel_positions() in osxaudioringbuffer acquire()

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This commit is contained in:
Takashi Nakajima 2013-04-10 21:06:16 +09:00 committed by Sebastian Dröge
parent c2c85a094a
commit efda79b084
3 changed files with 85 additions and 56 deletions
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4
sys/osxaudio/gstosxaudioringbuffer.c
View file

@ -173,6 +173,7 @@ gst_osx_audio_ring_buffer_acquire (GstAudioRingBuffer * buf,
gboolean ret = FALSE, is_passthrough = FALSE;
GstOsxAudioRingBuffer *osxbuf;
AudioStreamBasicDescription format;
GstOsxAudioSink *osxsink;
osxbuf = GST_OSX_AUDIO_RING_BUFFER (buf);
@ -227,6 +228,9 @@ gst_osx_audio_ring_buffer_acquire (GstAudioRingBuffer * buf,
GST_DEBUG_OBJECT (osxbuf, "Format: " CORE_AUDIO_FORMAT,
CORE_AUDIO_FORMAT_ARGS (format));
osxsink = GST_OSX_AUDIO_SINK (GST_OBJECT_PARENT (buf));
gst_audio_ring_buffer_set_channel_positions (buf, osxsink->channel_positions);
buf->size = spec->segtotal * spec->segsize;
buf->memory = g_malloc0 (buf->size);

70
sys/osxaudio/gstosxaudiosink.c
View file

@ -211,12 +211,19 @@ gst_osx_audio_sink_class_init (GstOsxAudioSinkClass * klass)
static void
gst_osx_audio_sink_init (GstOsxAudioSink * sink)
{
gint i;
GST_DEBUG ("Initialising object");
sink->device_id = kAudioDeviceUnknown;
sink->cached_caps = NULL;
sink->volume = DEFAULT_VOLUME;
sink->channels = 0;
for (i = 0; i < GST_OSX_AUDIO_MAX_CHANNEL; i++) {
sink->channel_positions[i] = GST_AUDIO_CHANNEL_POSITION_INVALID;
}
}
static void
@ -430,11 +437,6 @@ gst_osx_audio_sink_create_ringbuffer (GstAudioBaseSink * sink)
{
GstOsxAudioSink *osxsink;
GstOsxAudioRingBuffer *ringbuffer;
GstStructure *s;
GstCaps *caps;
gint channels;
guint64 channel_mask;
GstAudioChannelPosition positions[9];
osxsink = GST_OSX_AUDIO_SINK (sink);
@ -456,14 +458,6 @@ gst_osx_audio_sink_create_ringbuffer (GstAudioBaseSink * sink)
ringbuffer->core_audio->device_id = osxsink->device_id;
ringbuffer->core_audio->is_src = FALSE;
caps = osxsink->cached_caps;
s = gst_caps_get_structure (caps, 0);
gst_structure_get_int (s, "channels", &channels);
gst_structure_get (s, "channel-mask", GST_TYPE_BITMASK, &channel_mask, NULL);
gst_audio_channel_positions_from_mask (channels, channel_mask, positions);
gst_audio_ring_buffer_set_channel_positions (GST_AUDIO_RING_BUFFER
(ringbuffer), positions);
return GST_AUDIO_RING_BUFFER (ringbuffer);
}
@ -537,13 +531,14 @@ gst_osx_audio_sink_set_volume (GstOsxAudioSink * sink)
static gboolean
gst_osx_audio_sink_allowed_caps (GstOsxAudioSink * osxsink)
{
gint i, max_channels = 0;
gint i, channels;
gboolean spdif_allowed;
AudioChannelLayout *layout;
GstElementClass *element_class;
GstPadTemplate *pad_template;
GstCaps *caps, *in_caps;
guint64 channel_mask = 0;
guint64 channel_mask;
GstAudioChannelPosition *pos = osxsink->channel_positions;
/* First collect info about the HW capabilites and preferences */
spdif_allowed =
@ -554,49 +549,73 @@ gst_osx_audio_sink_allowed_caps (GstOsxAudioSink * osxsink)
(unsigned) osxsink->device_id, spdif_allowed);
if (layout) {
max_channels = MIN (layout->mNumberChannelDescriptions, 9);
for (i = 0; i < max_channels; i++) {
channels = MIN (layout->mNumberChannelDescriptions,
GST_OSX_AUDIO_MAX_CHANNEL);
} else {
GST_WARNING_OBJECT (osxsink, "This driver does not support "
"kAudioDevicePropertyPreferredChannelLayout.");
channels = 2;
}
switch (channels) {
case 0:
pos[0] = GST_AUDIO_CHANNEL_POSITION_NONE;
break;
case 1:
pos[0] = GST_AUDIO_CHANNEL_POSITION_MONO;
break;
case 2:
pos[0] = GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT;
pos[1] = GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT;
break;
default:
channels = MIN (layout->mNumberChannelDescriptions,
GST_OSX_AUDIO_MAX_CHANNEL);
for (i = 0; i < channels; i++) {
switch (layout->mChannelDescriptions[i].mChannelLabel) {
case kAudioChannelLabel_Left:
pos[i] = GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT;
channel_mask |= GST_AUDIO_CHANNEL_POSITION_MASK (FRONT_LEFT);
break;
case kAudioChannelLabel_Right:
pos[i] = GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT;
channel_mask |= GST_AUDIO_CHANNEL_POSITION_MASK (FRONT_RIGHT);
break;
case kAudioChannelLabel_Center:
pos[i] = GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER;
channel_mask |= GST_AUDIO_CHANNEL_POSITION_MASK (FRONT_CENTER);
break;
case kAudioChannelLabel_LFEScreen:
pos[i] = GST_AUDIO_CHANNEL_POSITION_LFE1;
channel_mask |= GST_AUDIO_CHANNEL_POSITION_MASK (LFE1);
break;
case kAudioChannelLabel_LeftSurround:
pos[i] = GST_AUDIO_CHANNEL_POSITION_REAR_LEFT;
channel_mask |= GST_AUDIO_CHANNEL_POSITION_MASK (REAR_LEFT);
break;
case kAudioChannelLabel_RightSurround:
pos[i] = GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT;
channel_mask |= GST_AUDIO_CHANNEL_POSITION_MASK (REAR_RIGHT);
break;
case kAudioChannelLabel_RearSurroundLeft:
pos[i] = GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT;
channel_mask |= GST_AUDIO_CHANNEL_POSITION_MASK (SIDE_LEFT);
break;
case kAudioChannelLabel_RearSurroundRight:
pos[i] = GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT;
channel_mask |= GST_AUDIO_CHANNEL_POSITION_MASK (SIDE_RIGHT);
break;
case kAudioChannelLabel_CenterSurround:
pos[i] = GST_AUDIO_CHANNEL_POSITION_REAR_CENTER;
channel_mask |= GST_AUDIO_CHANNEL_POSITION_MASK (REAR_CENTER);
break;
default:
GST_WARNING_OBJECT (osxsink, "unrecognized channel: %d",
(int) layout->mChannelDescriptions[i].mChannelLabel);
max_channels = 2;
channels = 2;
break;
}
}
} else {
GST_WARNING_OBJECT (osxsink, "This driver does not support "
"kAudioDevicePropertyPreferredChannelLayout.");
max_channels = 2;
channel_mask |= GST_AUDIO_CHANNEL_POSITION_MASK (FRONT_LEFT) |
GST_AUDIO_CHANNEL_POSITION_MASK (FRONT_RIGHT);
}
g_free (layout);
@ -620,7 +639,7 @@ gst_osx_audio_sink_allowed_caps (GstOsxAudioSink * osxsink)
}
out_s = gst_structure_copy (in_s);
gst_structure_remove_fields (out_s, "channels", "channel-mask", NULL);
gst_structure_set (out_s, "channels", G_TYPE_INT, max_channels,
gst_structure_set (out_s, "channels", G_TYPE_INT, channels,
"channel-mask", GST_TYPE_BITMASK, channel_mask, NULL);
gst_caps_append_structure (caps, out_s);
}
@ -630,6 +649,7 @@ gst_osx_audio_sink_allowed_caps (GstOsxAudioSink * osxsink)
}
osxsink->cached_caps = caps;
osxsink->channels = channels;
return TRUE;
}

5
sys/osxaudio/gstosxaudiosink.h
View file

@ -64,6 +64,8 @@ G_BEGIN_DECLS
#define GST_OSX_AUDIO_SINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OSX_AUDIO_SINK,GstOsxAudioSinkClass))
#define GST_OSX_AUDIO_MAX_CHANNEL (9)
typedef struct _GstOsxAudioSink GstOsxAudioSink;
typedef struct _GstOsxAudioSinkClass GstOsxAudioSinkClass;
@ -76,6 +78,9 @@ struct _GstOsxAudioSink
AudioUnit audiounit;
double volume;
GstCaps *cached_caps;
guint channels;
GstAudioChannelPosition channel_positions[GST_OSX_AUDIO_MAX_CHANNEL];
};
struct _GstOsxAudioSinkClass