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ext/alsa/: Clean up and simplify alsa device probing. Make it actually work for multiple classes. Don't cache results...
Original commit message from CVS: * ext/alsa/gstalsadeviceprobe.c: (gst_alsa_get_device_list), (gst_alsa_device_property_probe_probe_property), (gst_alsa_device_property_probe_needs_probe), (gst_alsa_device_property_probe_get_values), (gst_alsa_type_add_device_property_probe_interface): * ext/alsa/gstalsadeviceprobe.h: * ext/alsa/gstalsamixerelement.c: (gst_alsa_mixer_element_init_interfaces): * ext/alsa/gstalsamixerelement.h: Clean up and simplify alsa device probing. Make it actually work for multiple classes. Don't cache results any longer. * ext/alsa/gstalsasink.c: (gst_alsasink_init_interfaces), (gst_alsasink_init): * ext/alsa/gstalsasrc.c: (gst_alsasrc_dispose), (gst_alsasrc_interface_supported), (gst_implements_interface_init), (gst_alsasrc_init_interfaces), (gst_alsasrc_set_property): Make alsasink and alsasrc implement the GstPropertyProbe interface for device probing (#342181). Patch by: Martin Szulecki <gnomebugzilla at sukimashita com>
This commit is contained in:
Martin Szulecki
Tim-Philipp Müller
parent
320a2f974a
commit
f0f9f5ac7f
8 changed files with 139 additions and 193 deletions
23
ChangeLog
23
ChangeLog
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@ -1,3 +1,26 @@
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2006-05-18 Tim-Philipp Müller <tim at centricular dot net>
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* ext/alsa/gstalsadeviceprobe.c: (gst_alsa_get_device_list),
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(gst_alsa_device_property_probe_probe_property),
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(gst_alsa_device_property_probe_needs_probe),
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(gst_alsa_device_property_probe_get_values),
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(gst_alsa_type_add_device_property_probe_interface):
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* ext/alsa/gstalsadeviceprobe.h:
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* ext/alsa/gstalsamixerelement.c:
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(gst_alsa_mixer_element_init_interfaces):
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* ext/alsa/gstalsamixerelement.h:
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Clean up and simplify alsa device probing. Make it actually work
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for multiple classes. Don't cache results any longer.
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* ext/alsa/gstalsasink.c: (gst_alsasink_init_interfaces),
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(gst_alsasink_init):
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* ext/alsa/gstalsasrc.c: (gst_alsasrc_dispose),
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(gst_alsasrc_interface_supported), (gst_implements_interface_init),
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(gst_alsasrc_init_interfaces), (gst_alsasrc_set_property):
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Make alsasink and alsasrc implement the GstPropertyProbe interface
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for device probing (#342181).
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Patch by: Martin Szulecki <gnomebugzilla at sukimashita com>
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2006-05-18 Tim-Philipp Müller <tim at centricular dot net>
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* gst/subparse/samiparse.c: (handle_start_font):
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2
common
2
common
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@ -1 +1 @@
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Subproject commit 8eb9ea46137c34191bdbeca946ca4419ba573b51
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Subproject commit a5b66304e7abe1440a0f8b0ed232ffbc56e8f3de
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@ -26,12 +26,6 @@
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#include "gstalsadeviceprobe.h"
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#include "gst/interfaces/propertyprobe.h"
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#define DATA_OFFSET_QUARK \
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g_quark_from_static_string ("alsa-device-probe-data-offset-quark")
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#define DEVICE_PROPID_QUARK \
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g_quark_from_static_string ("alsa-device-probe-device-propid-quark")
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static const GList *
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gst_alsa_device_property_probe_get_properties (GstPropertyProbe * probe)
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{
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@ -54,48 +48,15 @@ gst_alsa_device_property_probe_get_properties (GstPropertyProbe * probe)
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return list;
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}
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/* yes, this is evil, but hey, it works */
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static gboolean
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gst_alsa_device_probe_get_data (GObject * obj, GstAlsaDeviceProbeData ** p_data,
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guint * p_device_propid)
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{
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gpointer klass;
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guint devpropid;
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guint offset;
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GType type;
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type = G_TYPE_FROM_INSTANCE (obj);
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/* in case this is a derived class ... */
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while (g_type_get_qdata (type, DATA_OFFSET_QUARK) == NULL) {
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type = g_type_parent (type);
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g_return_val_if_fail (G_TYPE_IS_FUNDAMENTAL (type) == FALSE, FALSE);
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}
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offset = GPOINTER_TO_UINT (g_type_get_qdata (type, DATA_OFFSET_QUARK));
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devpropid = GPOINTER_TO_UINT (g_type_get_qdata (type, DEVICE_PROPID_QUARK));
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g_return_val_if_fail (offset != 0, FALSE);
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g_return_val_if_fail (devpropid != 0, FALSE);
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klass = G_OBJECT_GET_CLASS (obj);
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*p_data = (GstAlsaDeviceProbeData *) G_STRUCT_MEMBER_P (klass, offset);
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*p_device_propid = devpropid;
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return TRUE;
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}
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static void
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gst_alsa_add_device_list (GstAlsaDeviceProbeData * probe_data,
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snd_pcm_stream_t stream)
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static GList *
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gst_alsa_get_device_list (snd_pcm_stream_t stream)
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{
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snd_ctl_t *handle;
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int card, err, dev;
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snd_ctl_card_info_t *info;
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snd_pcm_info_t *pcminfo;
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gboolean mixer = (stream == -1);
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GList *list = NULL;
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if (stream == -1)
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stream = 0;
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@ -106,8 +67,9 @@ gst_alsa_add_device_list (GstAlsaDeviceProbeData * probe_data,
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if (snd_card_next (&card) < 0 || card < 0) {
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/* no soundcard found */
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return;
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return NULL;
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}
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while (card >= 0) {
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gchar name[32];
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@ -121,8 +83,7 @@ gst_alsa_add_device_list (GstAlsaDeviceProbeData * probe_data,
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}
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if (mixer) {
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probe_data->devices = g_list_append (probe_data->devices,
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g_strdup (name));
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list = g_list_append (list, g_strdup (name));
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} else {
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dev = -1;
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while (1) {
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@ -140,7 +101,7 @@ gst_alsa_add_device_list (GstAlsaDeviceProbeData * probe_data,
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}
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gst_device = g_strdup_printf ("hw:%d,%d", card, dev);
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probe_data->devices = g_list_append (probe_data->devices, gst_device);
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list = g_list_append (list, gst_device);
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}
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}
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snd_ctl_close (handle);
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@ -149,52 +110,15 @@ gst_alsa_add_device_list (GstAlsaDeviceProbeData * probe_data,
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break;
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}
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}
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}
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static gboolean
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gst_alsa_probe_devices (GstElementClass * klass,
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GstAlsaDeviceProbeData * probe_data, gboolean check)
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{
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static gboolean init = FALSE;
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/* I'm pretty sure ALSA has a good way to do this. However, their cool
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* auto-generated documentation is pretty much useless if you try to
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* do function-wise look-ups. */
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if (!init && !check) {
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snd_pcm_stream_t mode = -1;
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const GList *templates;
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/* we assume one pad template at max [zero=mixer] */
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templates = gst_element_class_get_pad_template_list (klass);
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if (templates) {
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if (GST_PAD_TEMPLATE_DIRECTION (templates->data) == GST_PAD_SRC)
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mode = SND_PCM_STREAM_CAPTURE;
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else
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mode = SND_PCM_STREAM_PLAYBACK;
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}
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gst_alsa_add_device_list (probe_data, mode);
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init = TRUE;
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}
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return init;
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return list;
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}
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static void
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gst_alsa_device_property_probe_probe_property (GstPropertyProbe * probe,
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guint prop_id, const GParamSpec * pspec)
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{
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GstAlsaDeviceProbeData *probe_data;
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guint devid;
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if (!gst_alsa_device_probe_get_data (G_OBJECT (probe), &probe_data, &devid))
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g_return_if_reached ();
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if (prop_id == devid) {
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gst_alsa_probe_devices (GST_ELEMENT_GET_CLASS (probe), probe_data, FALSE);
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} else {
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if (!g_str_equal (pspec->name, "device")) {
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G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
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}
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}
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@ -203,59 +127,59 @@ static gboolean
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gst_alsa_device_property_probe_needs_probe (GstPropertyProbe * probe,
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guint prop_id, const GParamSpec * pspec)
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{
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GstAlsaDeviceProbeData *probe_data;
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GstElementClass *klass;
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guint devid;
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if (!gst_alsa_device_probe_get_data (G_OBJECT (probe), &probe_data, &devid))
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g_return_val_if_reached (FALSE);
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if (prop_id != devid) {
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G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
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return FALSE;
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}
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klass = GST_ELEMENT_GET_CLASS (probe);
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return !gst_alsa_probe_devices (klass, probe_data, TRUE);
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}
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static GValueArray *
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gst_alsa_device_probe_list_devices (GstAlsaDeviceProbeData * probe_data)
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{
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GValueArray *array;
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GValue value = { 0 };
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GList *item;
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if (!probe_data->devices)
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return NULL;
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array = g_value_array_new (g_list_length (probe_data->devices));
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g_value_init (&value, G_TYPE_STRING);
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for (item = probe_data->devices; item != NULL; item = item->next) {
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g_value_set_string (&value, (const gchar *) item->data);
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g_value_array_append (array, &value);
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}
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g_value_unset (&value);
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return array;
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/* don't cache probed data */
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return TRUE;
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}
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static GValueArray *
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gst_alsa_device_property_probe_get_values (GstPropertyProbe * probe,
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guint prop_id, const GParamSpec * pspec)
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{
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GstAlsaDeviceProbeData *probe_data;
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guint devid;
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GstElementClass *klass;
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const GList *templates;
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snd_pcm_stream_t mode = -1;
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GValueArray *array;
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GValue value = { 0, };
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GList *l, *list;
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if (!gst_alsa_device_probe_get_data (G_OBJECT (probe), &probe_data, &devid))
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g_return_val_if_reached (NULL);
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if (prop_id != devid) {
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if (!g_str_equal (pspec->name, "device")) {
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G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
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return NULL;
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}
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return gst_alsa_device_probe_list_devices (probe_data);
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klass = GST_ELEMENT_GET_CLASS (GST_ELEMENT (probe));
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/* I'm pretty sure ALSA has a good way to do this. However, their cool
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* auto-generated documentation is pretty much useless if you try to
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* do function-wise look-ups. */
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/* we assume one pad template at max [zero=mixer] */
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templates = gst_element_class_get_pad_template_list (klass);
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if (templates) {
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if (GST_PAD_TEMPLATE_DIRECTION (templates->data) == GST_PAD_SRC)
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mode = SND_PCM_STREAM_CAPTURE;
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else
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mode = SND_PCM_STREAM_PLAYBACK;
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}
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list = gst_alsa_get_device_list (mode);
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if (list == NULL) {
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GST_LOG_OBJECT (probe, "No devices found");
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return NULL;
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}
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array = g_value_array_new (g_list_length (list));
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g_value_init (&value, G_TYPE_STRING);
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for (l = list; l != NULL; l = l->next) {
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GST_LOG_OBJECT (probe, "Found device: %s", l->data);
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g_value_take_string (&value, (gchar *) l->data);
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l->data = NULL;
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g_value_array_append (array, &value);
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}
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g_value_unset (&value);
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g_list_free (list);
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return array;
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}
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static void
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@ -268,8 +192,7 @@ gst_alsa_property_probe_interface_init (GstPropertyProbeInterface * iface)
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}
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void
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gst_alsa_type_add_device_property_probe_interface (GType type,
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guint probe_data_klass_offset, guint device_prop_id)
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gst_alsa_type_add_device_property_probe_interface (GType type)
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{
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static const GInterfaceInfo probe_iface_info = {
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(GInterfaceInitFunc) gst_alsa_property_probe_interface_init,
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@ -277,15 +200,6 @@ gst_alsa_type_add_device_property_probe_interface (GType type,
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NULL,
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};
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g_assert (probe_data_klass_offset != 0);
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g_assert (device_prop_id != 0);
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g_type_set_qdata (type, DATA_OFFSET_QUARK,
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GUINT_TO_POINTER (probe_data_klass_offset));
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g_type_set_qdata (type, DEVICE_PROPID_QUARK,
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GUINT_TO_POINTER (device_prop_id));
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g_type_add_interface_static (type, GST_TYPE_PROPERTY_PROBE,
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&probe_iface_info);
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}
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@ -25,17 +25,7 @@
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G_BEGIN_DECLS
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typedef struct _GstAlsaDeviceProbeData GstAlsaDeviceProbeData;
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struct _GstAlsaDeviceProbeData {
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/* autodetected devices available */
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GList *devices;
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};
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/* offset is the offset of the device probe data struct in the klass struct */
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void gst_alsa_type_add_device_property_probe_interface (GType type,
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guint probe_data_offset,
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guint device_prop_id);
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void gst_alsa_type_add_device_property_probe_interface (GType type);
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G_END_DECLS
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@ -94,9 +94,7 @@ gst_alsa_mixer_element_init_interfaces (GType type)
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&implements_iface_info);
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g_type_add_interface_static (type, GST_TYPE_MIXER, &mixer_iface_info);
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gst_alsa_type_add_device_property_probe_interface (type,
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G_STRUCT_OFFSET (GstAlsaMixerElementClass, device_probe_data),
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PROP_DEVICE);
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gst_alsa_type_add_device_property_probe_interface (type);
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}
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static void
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@ -23,7 +23,6 @@
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#include "gstalsa.h"
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#include "gstalsamixer.h"
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#include "gstalsadeviceprobe.h"
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G_BEGIN_DECLS
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@ -50,8 +49,6 @@ struct _GstAlsaMixerElement {
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struct _GstAlsaMixerElementClass {
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GstElementClass parent;
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GstAlsaDeviceProbeData device_probe_data;
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};
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@ -54,6 +54,7 @@
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#include "gstalsa.h"
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#include "gstalsasink.h"
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#include "gstalsadeviceprobe.h"
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#include <gst/gst-i18n-plugin.h>
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@ -74,9 +75,11 @@ enum
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PROP_DEVICE_NAME
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};
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static void gst_alsasink_base_init (gpointer g_class);
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static void gst_alsasink_class_init (GstAlsaSinkClass * klass);
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static void gst_alsasink_init (GstAlsaSink * alsasink);
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static void gst_alsasink_init_interfaces (GType type);
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GST_BOILERPLATE_FULL (GstAlsaSink, gst_alsasink, GstAudioSink,
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GST_TYPE_AUDIO_SINK, gst_alsasink_init_interfaces);
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static void gst_alsasink_dispose (GObject * object);
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static void gst_alsasink_finalise (GObject * object);
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static void gst_alsasink_set_property (GObject * object,
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@ -130,34 +133,6 @@ static GstStaticPadTemplate alsasink_sink_factory =
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"rate = (int) [ 1, MAX ], " "channels = (int) [ 1, 8 ]")
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);
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static GstElementClass *parent_class = NULL;
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GType
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gst_alsasink_get_type (void)
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{
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static GType alsasink_type = 0;
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if (!alsasink_type) {
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static const GTypeInfo alsasink_info = {
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sizeof (GstAlsaSinkClass),
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gst_alsasink_base_init,
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NULL,
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(GClassInitFunc) gst_alsasink_class_init,
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NULL,
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NULL,
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sizeof (GstAlsaSink),
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0,
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(GInstanceInitFunc) gst_alsasink_init,
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};
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alsasink_type =
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g_type_register_static (GST_TYPE_AUDIO_SINK, "GstAlsaSink",
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&alsasink_info, 0);
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}
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return alsasink_type;
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}
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static void
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gst_alsasink_dispose (GObject * object)
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{
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@ -183,6 +158,12 @@ gst_alsasink_finalise (GObject * object)
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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||||
|
||||
static void
|
||||
gst_alsasink_init_interfaces (GType type)
|
||||
{
|
||||
gst_alsa_type_add_device_property_probe_interface (type);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_alsasink_base_init (gpointer g_class)
|
||||
{
|
||||
|
|
@ -287,7 +268,7 @@ gst_alsasink_get_property (GObject * object, guint prop_id,
|
|||
}
|
||||
|
||||
static void
|
||||
gst_alsasink_init (GstAlsaSink * alsasink)
|
||||
gst_alsasink_init (GstAlsaSink * alsasink, GstAlsaSinkClass * g_class)
|
||||
{
|
||||
GST_DEBUG_OBJECT (alsasink, "initializing alsasink");
|
||||
|
||||
|
|
|
|||
|
|
@ -52,6 +52,7 @@
|
|||
#include <alsa/asoundlib.h>
|
||||
|
||||
#include "gstalsasrc.h"
|
||||
#include "gstalsadeviceprobe.h"
|
||||
|
||||
#include <gst/gst-i18n-plugin.h>
|
||||
|
||||
|
|
@ -72,8 +73,10 @@ enum
|
|||
PROP_DEVICE_NAME,
|
||||
};
|
||||
|
||||
GST_BOILERPLATE_WITH_INTERFACE (GstAlsaSrc, gst_alsasrc, GstAudioSrc,
|
||||
GST_TYPE_AUDIO_SRC, GstMixer, GST_TYPE_MIXER, gst_alsasrc_mixer);
|
||||
static void gst_alsasrc_init_interfaces (GType type);
|
||||
|
||||
GST_BOILERPLATE_FULL (GstAlsaSrc, gst_alsasrc, GstAudioSrc,
|
||||
GST_TYPE_AUDIO_SRC, gst_alsasrc_init_interfaces);
|
||||
|
||||
GST_IMPLEMENT_ALSA_MIXER_METHODS (GstAlsaSrc, gst_alsasrc_mixer);
|
||||
|
||||
|
|
@ -126,9 +129,50 @@ static GstStaticPadTemplate alsasrc_src_factory =
|
|||
static void
|
||||
gst_alsasrc_dispose (GObject * object)
|
||||
{
|
||||
GstAlsaSrc *src = GST_ALSA_SRC (object);
|
||||
|
||||
g_free (src->device);
|
||||
src->device = NULL;
|
||||
|
||||
G_OBJECT_CLASS (parent_class)->dispose (object);
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_alsasrc_interface_supported (GstAlsaSrc * this, GType interface_type)
|
||||
{
|
||||
/* only support this one interface (wrapped by GstImplementsInterface) */
|
||||
g_assert (interface_type == GST_TYPE_MIXER);
|
||||
|
||||
return gst_alsasrc_mixer_supported (this, interface_type);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_implements_interface_init (GstImplementsInterfaceClass * klass)
|
||||
{
|
||||
klass->supported = (gpointer) gst_alsasrc_interface_supported;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_alsasrc_init_interfaces (GType type)
|
||||
{
|
||||
static const GInterfaceInfo implements_iface_info = {
|
||||
(GInterfaceInitFunc) gst_implements_interface_init,
|
||||
NULL,
|
||||
NULL,
|
||||
};
|
||||
static const GInterfaceInfo mixer_iface_info = {
|
||||
(GInterfaceInitFunc) gst_alsasrc_mixer_interface_init,
|
||||
NULL,
|
||||
NULL,
|
||||
};
|
||||
|
||||
g_type_add_interface_static (type, GST_TYPE_IMPLEMENTS_INTERFACE,
|
||||
&implements_iface_info);
|
||||
g_type_add_interface_static (type, GST_TYPE_MIXER, &mixer_iface_info);
|
||||
|
||||
gst_alsa_type_add_device_property_probe_interface (type);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_alsasrc_base_init (gpointer g_class)
|
||||
{
|
||||
|
|
@ -190,9 +234,8 @@ gst_alsasrc_set_property (GObject * object, guint prop_id,
|
|||
|
||||
switch (prop_id) {
|
||||
case PROP_DEVICE:
|
||||
if (src->device)
|
||||
g_free (src->device);
|
||||
src->device = g_strdup (g_value_get_string (value));
|
||||
g_free (src->device);
|
||||
src->device = g_value_dup_string (value);
|
||||
break;
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
|
|
|
|||
Loading…
Reference in a new issue