static GstCaps *gst_voaacenc_create_source_pad_caps (GstVoAacEnc * voaacenc);
static gint voaacenc_get_rate_index (gint rate);
+static gpointer
+gst_voaacenc_generate_sink_caps (gpointer data)
+{
#define VOAAC_ENC_MAX_CHANNELS 6
-
/* describe the channels position */
-const GstAudioChannelPosition
- gst_voaacenc_channel_position[][VOAAC_ENC_MAX_CHANNELS] = {
- { /* 1 ch: Mono */
- GST_AUDIO_CHANNEL_POSITION_FRONT_MONO},
- { /* 2 ch: front left + front right (front stereo) */
- GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
- GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT},
- { /* 3 ch: front center + front stereo */
- GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
- GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
- GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT},
- { /* 4 ch: front center + front stereo + back center */
- GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
- GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
- GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
- GST_AUDIO_CHANNEL_POSITION_REAR_CENTER},
- { /* 5 ch: front center + front stereo + back stereo */
- GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
- GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
- GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
- GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
- GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT},
- { /* 6ch: front center + front stereo + back stereo + LFE */
- GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
- GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
- GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
- GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
- GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
- GST_AUDIO_CHANNEL_POSITION_LFE}
-};
+ static const GstAudioChannelPosition
+ gst_voaacenc_channel_position[][VOAAC_ENC_MAX_CHANNELS] = {
+ { /* 1 ch: Mono */
+ GST_AUDIO_CHANNEL_POSITION_FRONT_MONO},
+ { /* 2 ch: front left + front right (front stereo) */
+ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
+ GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT},
+ { /* 3 ch: front center + front stereo */
+ GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
+ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
+ GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT},
+ { /* 4 ch: front center + front stereo + back center */
+ GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
+ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
+ GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
+ GST_AUDIO_CHANNEL_POSITION_REAR_CENTER},
+ { /* 5 ch: front center + front stereo + back stereo */
+ GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
+ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
+ GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
+ GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
+ GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT},
+ { /* 6ch: front center + front stereo + back stereo + LFE */
+ GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
+ GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
+ GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
+ GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
+ GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
+ GST_AUDIO_CHANNEL_POSITION_LFE}
+ };
+ GstCaps *caps = gst_caps_new_empty ();
+ gint i, c;
+
+ for (i = 0; i < VOAAC_ENC_MAX_CHANNELS; i++) {
+ GValue chanpos = { 0 };
+ GValue pos = { 0 };
+ GstStructure *structure;
+
+ g_value_init (&chanpos, GST_TYPE_ARRAY);
+ g_value_init (&pos, GST_TYPE_AUDIO_CHANNEL_POSITION);
+
+ for (c = 0; c <= i; c++) {
+ g_value_set_enum (&pos, gst_voaacenc_channel_position[i][c]);
+ gst_value_array_append_value (&chanpos, &pos);
+ }
+
+ g_value_unset (&pos);
+
+ structure = gst_structure_new ("audio/x-raw-int",
+ "width", G_TYPE_INT, 16,
+ "depth", G_TYPE_INT, 16,
+ "signed", G_TYPE_BOOLEAN, TRUE,
+ "endianness", G_TYPE_INT, G_BYTE_ORDER,
+ "rate", GST_TYPE_INT_RANGE, 8000, 96000, "channels", G_TYPE_INT, i + 1,
+ NULL);
+
+ gst_structure_set_value (structure, "channel-positions", &chanpos);
+ g_value_unset (&chanpos);
+
+ gst_caps_append_structure (caps, structure);
+ }
+
+ GST_DEBUG ("generated sink caps: %" GST_PTR_FORMAT, caps);
+ return caps;
+}
+
+static GstCaps *
+gst_voaacenc_get_sink_caps (void)
+{
+ static GOnce g_once = G_ONCE_INIT;
+ GstCaps *caps;
+
+ g_once (&g_once, gst_voaacenc_generate_sink_caps, NULL);
+ caps = g_once.retval;
+
+ return gst_caps_ref (caps);
+}
static void
_do_init (GType object_type)
/* init rest */
voaacenc->handle = NULL;
- voaacenc->sinkcaps = NULL;
}
static void
voaacenc = GST_VOAACENC (object);
- if (voaacenc->sinkcaps) {
- gst_caps_unref (voaacenc->sinkcaps);
- voaacenc->sinkcaps = NULL;
- }
-
g_object_unref (G_OBJECT (voaacenc->adapter));
voaacenc->adapter = NULL;
}
static GstCaps *
-gst_voaacenc_generate_sink_caps (void)
-{
- GstCaps *caps = gst_caps_new_empty ();
- gint i, c;
-
- for (i = 0; i < VOAAC_ENC_MAX_CHANNELS; i++) {
- GValue chanpos = { 0 };
- GValue pos = { 0 };
- GstStructure *structure;
-
- g_value_init (&chanpos, GST_TYPE_ARRAY);
- g_value_init (&pos, GST_TYPE_AUDIO_CHANNEL_POSITION);
-
- for (c = 0; c <= i; c++) {
- g_value_set_enum (&pos, gst_voaacenc_channel_position[i][c]);
- gst_value_array_append_value (&chanpos, &pos);
- }
-
- g_value_unset (&pos);
-
- structure = gst_structure_new ("audio/x-raw-int",
- "width", G_TYPE_INT, 16,
- "depth", G_TYPE_INT, 16,
- "signed", G_TYPE_BOOLEAN, TRUE,
- "endianness", G_TYPE_INT, G_BYTE_ORDER,
- "rate", GST_TYPE_INT_RANGE, 8000, 96000, "channels", G_TYPE_INT, i + 1,
- NULL);
-
- gst_structure_set_value (structure, "channel-positions", &chanpos);
- g_value_unset (&chanpos);
-
- gst_caps_append_structure (caps, structure);
- }
-
- return caps;
-}
-
-
-static GstCaps *
gst_voaacenc_getcaps (GstPad * pad)
{
- GstVoAacEnc *voaacenc = GST_VOAACENC (GST_PAD_PARENT (pad));
-
- if (voaacenc->sinkcaps == NULL) {
- voaacenc->sinkcaps = gst_voaacenc_generate_sink_caps ();
- }
-
- GST_DEBUG_OBJECT (voaacenc, "generated sink caps: %" GST_PTR_FORMAT,
- voaacenc->sinkcaps);
-
- return gst_caps_ref (voaacenc->sinkcaps);
+ return gst_voaacenc_get_sink_caps ();
}
return caps;
}
-
-
static VO_U32
voaacenc_core_mem_alloc (VO_S32 uID, VO_MEM_INFO * pMemInfo)
{