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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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voaacenc: Only generate sinkcaps once and in a threadsafe way
This commit is contained in:
Sebastian Dröge
parent
adb3ac9237
commit
dc7f93c05b
2 changed files with 81 additions and 89 deletions
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@ -89,39 +89,88 @@ static GstCaps *gst_voaacenc_getcaps (GstPad * pad);
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static GstCaps *gst_voaacenc_create_source_pad_caps (GstVoAacEnc * voaacenc);
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static gint voaacenc_get_rate_index (gint rate);
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static gpointer
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gst_voaacenc_generate_sink_caps (gpointer data)
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{
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#define VOAAC_ENC_MAX_CHANNELS 6
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/* describe the channels position */
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const GstAudioChannelPosition
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gst_voaacenc_channel_position[][VOAAC_ENC_MAX_CHANNELS] = {
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{ /* 1 ch: Mono */
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GST_AUDIO_CHANNEL_POSITION_FRONT_MONO},
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{ /* 2 ch: front left + front right (front stereo) */
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GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT},
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{ /* 3 ch: front center + front stereo */
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GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
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GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT},
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{ /* 4 ch: front center + front stereo + back center */
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GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
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GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
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GST_AUDIO_CHANNEL_POSITION_REAR_CENTER},
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{ /* 5 ch: front center + front stereo + back stereo */
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GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
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GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
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GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
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GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT},
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{ /* 6ch: front center + front stereo + back stereo + LFE */
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GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
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GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
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GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
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GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
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GST_AUDIO_CHANNEL_POSITION_LFE}
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};
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static const GstAudioChannelPosition
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gst_voaacenc_channel_position[][VOAAC_ENC_MAX_CHANNELS] = {
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{ /* 1 ch: Mono */
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GST_AUDIO_CHANNEL_POSITION_FRONT_MONO},
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{ /* 2 ch: front left + front right (front stereo) */
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GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT},
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{ /* 3 ch: front center + front stereo */
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GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
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GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT},
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{ /* 4 ch: front center + front stereo + back center */
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GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
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GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
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GST_AUDIO_CHANNEL_POSITION_REAR_CENTER},
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{ /* 5 ch: front center + front stereo + back stereo */
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GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
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GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
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GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
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GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT},
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{ /* 6ch: front center + front stereo + back stereo + LFE */
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GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
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GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
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GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
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GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
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GST_AUDIO_CHANNEL_POSITION_LFE}
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};
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GstCaps *caps = gst_caps_new_empty ();
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gint i, c;
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for (i = 0; i < VOAAC_ENC_MAX_CHANNELS; i++) {
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GValue chanpos = { 0 };
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GValue pos = { 0 };
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GstStructure *structure;
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g_value_init (&chanpos, GST_TYPE_ARRAY);
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g_value_init (&pos, GST_TYPE_AUDIO_CHANNEL_POSITION);
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for (c = 0; c <= i; c++) {
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g_value_set_enum (&pos, gst_voaacenc_channel_position[i][c]);
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gst_value_array_append_value (&chanpos, &pos);
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}
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g_value_unset (&pos);
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structure = gst_structure_new ("audio/x-raw-int",
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"width", G_TYPE_INT, 16,
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"depth", G_TYPE_INT, 16,
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"signed", G_TYPE_BOOLEAN, TRUE,
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"endianness", G_TYPE_INT, G_BYTE_ORDER,
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"rate", GST_TYPE_INT_RANGE, 8000, 96000, "channels", G_TYPE_INT, i + 1,
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NULL);
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gst_structure_set_value (structure, "channel-positions", &chanpos);
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g_value_unset (&chanpos);
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gst_caps_append_structure (caps, structure);
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}
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GST_DEBUG ("generated sink caps: %" GST_PTR_FORMAT, caps);
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return caps;
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}
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static GstCaps *
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gst_voaacenc_get_sink_caps (void)
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{
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static GOnce g_once = G_ONCE_INIT;
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GstCaps *caps;
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g_once (&g_once, gst_voaacenc_generate_sink_caps, NULL);
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caps = g_once.retval;
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return gst_caps_ref (caps);
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}
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static void
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_do_init (GType object_type)
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@ -235,7 +284,6 @@ gst_voaacenc_init (GstVoAacEnc * voaacenc, GstVoAacEncClass * klass)
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/* init rest */
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voaacenc->handle = NULL;
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voaacenc->sinkcaps = NULL;
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}
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static void
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@ -245,11 +293,6 @@ gst_voaacenc_finalize (GObject * object)
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voaacenc = GST_VOAACENC (object);
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if (voaacenc->sinkcaps) {
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gst_caps_unref (voaacenc->sinkcaps);
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voaacenc->sinkcaps = NULL;
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}
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g_object_unref (G_OBJECT (voaacenc->adapter));
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voaacenc->adapter = NULL;
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@ -288,58 +331,10 @@ gst_voaacenc_negotiate (GstVoAacEnc * voaacenc)
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gst_caps_unref (caps);
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}
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static GstCaps *
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gst_voaacenc_generate_sink_caps (void)
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{
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GstCaps *caps = gst_caps_new_empty ();
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gint i, c;
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for (i = 0; i < VOAAC_ENC_MAX_CHANNELS; i++) {
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GValue chanpos = { 0 };
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GValue pos = { 0 };
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GstStructure *structure;
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g_value_init (&chanpos, GST_TYPE_ARRAY);
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g_value_init (&pos, GST_TYPE_AUDIO_CHANNEL_POSITION);
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for (c = 0; c <= i; c++) {
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g_value_set_enum (&pos, gst_voaacenc_channel_position[i][c]);
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gst_value_array_append_value (&chanpos, &pos);
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}
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g_value_unset (&pos);
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structure = gst_structure_new ("audio/x-raw-int",
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"width", G_TYPE_INT, 16,
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"depth", G_TYPE_INT, 16,
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"signed", G_TYPE_BOOLEAN, TRUE,
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"endianness", G_TYPE_INT, G_BYTE_ORDER,
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"rate", GST_TYPE_INT_RANGE, 8000, 96000, "channels", G_TYPE_INT, i + 1,
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NULL);
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gst_structure_set_value (structure, "channel-positions", &chanpos);
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g_value_unset (&chanpos);
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gst_caps_append_structure (caps, structure);
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}
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return caps;
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}
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static GstCaps *
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gst_voaacenc_getcaps (GstPad * pad)
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{
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GstVoAacEnc *voaacenc = GST_VOAACENC (GST_PAD_PARENT (pad));
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if (voaacenc->sinkcaps == NULL) {
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voaacenc->sinkcaps = gst_voaacenc_generate_sink_caps ();
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}
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GST_DEBUG_OBJECT (voaacenc, "generated sink caps: %" GST_PTR_FORMAT,
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voaacenc->sinkcaps);
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return gst_caps_ref (voaacenc->sinkcaps);
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return gst_voaacenc_get_sink_caps ();
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}
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@ -549,8 +544,6 @@ gst_voaacenc_create_source_pad_caps (GstVoAacEnc * voaacenc)
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return caps;
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}
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static VO_U32
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voaacenc_core_mem_alloc (VO_S32 uID, VO_MEM_INFO * pMemInfo)
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{
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@ -47,7 +47,6 @@ struct _GstVoAacEnc {
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/* pads */
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GstPad *sinkpad, *srcpad;
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GstCaps *sinkcaps;
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gboolean discont;
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GstAdapter *adapter;
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