static void
gst_aravis_init (GstAravis *gst_aravis, GstAravisClass *g_class)
{
GstPad *pad = GST_BASE_SRC_PAD (gst_aravis);
gst_pad_set_fixatecaps_function (pad, gst_aravis_fixate_caps);
gst_base_src_set_live (GST_BASE_SRC (gst_aravis), TRUE);
gst_base_src_set_format (GST_BASE_SRC (gst_aravis), GST_FORMAT_TIME);
gst_aravis->camera_name = NULL;
gst_aravis->gain = -1;
gst_aravis->gain_auto = FALSE;
gst_aravis->exposure_time_us = -1;
gst_aravis->exposure_auto = FALSE;
gst_aravis->offset_x = 0;
gst_aravis->offset_y = 0;
gst_aravis->h_binning = -1;
gst_aravis->v_binning = -1;
gst_aravis->packet_resend = TRUE;
gst_aravis->payload = 0;
gst_aravis->buffer_timeout_us = GST_ARAVIS_BUFFER_TIMEOUT_DEFAULT;
gst_aravis->camera = NULL;
gst_aravis->stream = NULL;
gst_aravis->all_caps = NULL;
gst_aravis->fixed_caps = NULL;
}
static void
gst_audio_test_src_init (GstAudioTestSrc * src, GstAudioTestSrcClass * g_class)
{
GstPad *pad = GST_BASE_SRC_PAD (src);
gst_pad_set_fixatecaps_function (pad, gst_audio_test_src_src_fixate);
src->samplerate = 44100;
src->format = GST_AUDIO_TEST_SRC_FORMAT_NONE;
src->volume = DEFAULT_VOLUME;
src->freq = DEFAULT_FREQ;
/* we operate in time */
gst_base_src_set_format (GST_BASE_SRC (src), GST_FORMAT_TIME);
gst_base_src_set_live (GST_BASE_SRC (src), DEFAULT_IS_LIVE);
src->samples_per_buffer = DEFAULT_SAMPLES_PER_BUFFER;
src->generate_samples_per_buffer = src->samples_per_buffer;
src->timestamp_offset = DEFAULT_TIMESTAMP_OFFSET;
src->can_activate_pull = DEFAULT_CAN_ACTIVATE_PULL;
src->gen = NULL;
src->wave = DEFAULT_WAVE;
gst_base_src_set_blocksize (GST_BASE_SRC (src), -1);
}
static void
gst_auto_convert_dispose (GObject * object)
{
GstAutoConvert *autoconvert = GST_AUTO_CONVERT (object);
gst_pad_set_fixatecaps_function (autoconvert->sinkpad, NULL);
GST_AUTOCONVERT_LOCK (autoconvert);
if (autoconvert->current_subelement) {
gst_object_unref (autoconvert->current_subelement);
autoconvert->current_subelement = NULL;
autoconvert->current_internal_sinkpad = NULL;
autoconvert->current_internal_srcpad = NULL;
}
g_list_foreach (autoconvert->cached_events, (GFunc) gst_mini_object_unref,
NULL);
g_list_free (autoconvert->cached_events);
autoconvert->cached_events = NULL;
if (autoconvert->factories) {
gst_plugin_feature_list_free (autoconvert->factories);
autoconvert->factories = NULL;
}
GST_AUTOCONVERT_UNLOCK (autoconvert);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gst_proxy_pad_init (GstProxyPad * ppad)
{
GstPad *pad = (GstPad *) ppad;
GST_PROXY_PAD_PRIVATE (ppad) = G_TYPE_INSTANCE_GET_PRIVATE (ppad,
GST_TYPE_PROXY_PAD, GstProxyPadPrivate);
GST_PROXY_GET_LOCK (pad) = g_mutex_new ();
gst_pad_set_query_type_function (pad,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_query_type));
gst_pad_set_event_function (pad, GST_DEBUG_FUNCPTR (gst_proxy_pad_do_event));
gst_pad_set_query_function (pad, GST_DEBUG_FUNCPTR (gst_proxy_pad_do_query));
gst_pad_set_internal_link_function (pad,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_internal_link));
gst_pad_set_iterate_internal_links_function (pad,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_iterate_internal_links));
gst_pad_set_getcaps_function (pad,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_getcaps));
gst_pad_set_acceptcaps_function (pad,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_acceptcaps));
gst_pad_set_fixatecaps_function (pad,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_fixatecaps));
gst_pad_set_setcaps_function (pad,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_setcaps));
}
static void
gst_video_test_src_init (GstVideoTestSrc * src, GstVideoTestSrcClass * g_class)
{
GstPad *pad = GST_BASE_SRC_PAD (src);
gst_pad_set_fixatecaps_function (pad, gst_video_test_src_src_fixate);
gst_video_test_src_set_pattern (src, GST_VIDEO_TEST_SRC_SMPTE);
src->timestamp_offset = 0;
/* we operate in time */
gst_base_src_set_format (GST_BASE_SRC (src), GST_FORMAT_TIME);
gst_base_src_set_live (GST_BASE_SRC (src), FALSE);
}
static void
gst_video_test_src_init (GstVideoTestSrc * src, GstVideoTestSrcClass * g_class)
{
GstPad *pad = GST_BASE_SRC_PAD (src);
gst_pad_set_fixatecaps_function (pad, gst_video_test_src_src_fixate);
gst_video_test_src_set_pattern (src, DEFAULT_PATTERN);
src->timestamp_offset = DEFAULT_TIMESTAMP_OFFSET;
/* we operate in time */
gst_base_src_set_format (GST_BASE_SRC (src), GST_FORMAT_TIME);
gst_base_src_set_live (GST_BASE_SRC (src), DEFAULT_IS_LIVE);
src->peer_alloc = DEFAULT_PEER_ALLOC;
}
static void
gst_dc1394_init (GstDc1394 * src, GstDc1394Class * g_class)
{
src->segment_start_frame = -1;
src->segment_end_frame = -1;
src->timestamp_offset = 0;
src->caps = gst_dc1394_get_all_dc1394_caps ();
src->bufsize = 10;
src->iso_speed = 400;
src->camnum = 0;
src->n_frames = 0;
gst_pad_set_fixatecaps_function (GST_BASE_SRC_PAD (src),
gst_dc1394_src_fixate);
gst_base_src_set_live (GST_BASE_SRC (src), TRUE);
}
GstPad *
gst_vf_src_pad_new (GstStaticPadTemplate * pad_template, const char *name)
{
GST_DEBUG_CATEGORY_INIT (droidvfsrc_debug, "droidvfsrc", 0,
"Android camera viewfinder source pad");
GstPad *pad = gst_pad_new_from_static_template (pad_template, name);
gst_pad_set_activatepush_function (pad, gst_droid_cam_src_vfsrc_activatepush);
gst_pad_set_setcaps_function (pad, gst_droid_cam_src_vfsrc_setcaps);
gst_pad_set_getcaps_function (pad, gst_droid_cam_src_vfsrc_getcaps);
gst_pad_set_query_type_function (pad, gst_droid_cam_src_vfsrc_query_type);
gst_pad_set_query_function (pad, gst_droid_cam_src_vfsrc_query);
gst_pad_set_fixatecaps_function (pad, gst_droid_cam_src_vfsrc_fixatecaps);
/* TODO: Do we need an event handler via gst_pad_set_event_function() ? */
return pad;
}
static void
gst_aasink_init (GstAASink * aasink)
{
GstPad *pad;
pad = GST_BASE_SINK_PAD (aasink);
gst_pad_set_fixatecaps_function (pad, gst_aasink_fixate);
memcpy (&aasink->ascii_surf, &aa_defparams,
sizeof (struct aa_hardware_params));
aasink->ascii_parms.bright = 0;
aasink->ascii_parms.contrast = 16;
aasink->ascii_parms.gamma = 1.0;
aasink->ascii_parms.dither = 0;
aasink->ascii_parms.inversion = 0;
aasink->ascii_parms.randomval = 0;
aasink->aa_driver = 0;
aasink->width = -1;
aasink->height = -1;
}
static void
gst_gdiscreencapsrc_init (GstGDIScreenCapSrc * src,
GstGDIScreenCapSrcClass * klass)
{
/* Set src element inital values... */
GstPad *src_pad = GST_BASE_SRC_PAD (src);
gst_pad_set_fixatecaps_function (src_pad, gst_gdiscreencapsrc_fixate);
src->frames = 0;
src->dibMem = NULL;
src->hBitmap = (HBITMAP) INVALID_HANDLE_VALUE;
src->memDC = (HDC) INVALID_HANDLE_VALUE;
src->capture_x = 0;
src->capture_y = 0;
src->capture_w = 0;
src->capture_h = 0;
src->monitor = 0;
src->show_cursor = FALSE;
gst_base_src_set_format (GST_BASE_SRC (src), GST_FORMAT_TIME);
gst_base_src_set_live (GST_BASE_SRC (src), TRUE);
}
static void
gst_proxy_pad_init (GstProxyPad * ppad)
{
GstPad *pad = (GstPad *) ppad;
ppad->proxy_lock = g_mutex_new ();
gst_pad_set_query_type_function (pad,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_query_type));
gst_pad_set_event_function (pad, GST_DEBUG_FUNCPTR (gst_proxy_pad_do_event));
gst_pad_set_query_function (pad, GST_DEBUG_FUNCPTR (gst_proxy_pad_do_query));
gst_pad_set_internal_link_function (pad,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_internal_link));
gst_pad_set_getcaps_function (pad,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_getcaps));
gst_pad_set_acceptcaps_function (pad,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_acceptcaps));
gst_pad_set_fixatecaps_function (pad,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_fixatecaps));
gst_pad_set_setcaps_function (pad,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_setcaps));
}
static void
gst_decklink_src_init (GstDecklinkSrc * decklinksrc,
GstDecklinkSrcClass * decklinksrc_class)
{
g_static_rec_mutex_init (&decklinksrc->task_mutex);
decklinksrc->task = gst_task_create (gst_decklink_src_task, decklinksrc);
gst_task_set_lock (decklinksrc->task, &decklinksrc->task_mutex);
decklinksrc->audiosrcpad =
gst_pad_new_from_static_template (&gst_decklink_src_audio_src_template,
"audiosrc");
gst_pad_set_getcaps_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_getcaps));
gst_pad_set_setcaps_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_setcaps));
gst_pad_set_acceptcaps_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_acceptcaps));
gst_pad_set_fixatecaps_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_fixatecaps));
gst_pad_set_activate_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_activate));
gst_pad_set_activatepush_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_activatepush));
gst_pad_set_activatepull_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_activatepull));
gst_pad_set_link_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_link));
gst_pad_set_getrange_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_getrange));
gst_pad_set_event_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_event));
gst_pad_set_query_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_query));
gst_pad_set_iterate_internal_links_function (decklinksrc->audiosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_iterintlink));
gst_element_add_pad (GST_ELEMENT (decklinksrc), decklinksrc->audiosrcpad);
decklinksrc->videosrcpad =
gst_pad_new_from_template (gst_element_class_get_pad_template
(GST_ELEMENT_CLASS (decklinksrc_class), "videosrc"), "videosrc");
gst_pad_set_getcaps_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_getcaps));
gst_pad_set_setcaps_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_setcaps));
gst_pad_set_acceptcaps_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_acceptcaps));
gst_pad_set_fixatecaps_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_fixatecaps));
gst_pad_set_activate_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_activate));
gst_pad_set_activatepush_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_activatepush));
gst_pad_set_activatepull_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_activatepull));
gst_pad_set_link_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_link));
gst_pad_set_getrange_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_getrange));
gst_pad_set_event_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_event));
gst_pad_set_query_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_query));
gst_pad_set_iterate_internal_links_function (decklinksrc->videosrcpad,
GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_iterintlink));
gst_element_add_pad (GST_ELEMENT (decklinksrc), decklinksrc->videosrcpad);
decklinksrc->cond = g_cond_new ();
decklinksrc->mutex = g_mutex_new ();
decklinksrc->copy_data = TRUE;
decklinksrc->mode = GST_DECKLINK_MODE_NTSC;
decklinksrc->connection = GST_DECKLINK_CONNECTION_SDI;
decklinksrc->audio_connection = GST_DECKLINK_AUDIO_CONNECTION_AUTO;
decklinksrc->subdevice = 0;
decklinksrc->stop = FALSE;
decklinksrc->dropped_frames = 0;
decklinksrc->dropped_frames_old = 0;
decklinksrc->frame_num = -1; /* -1 so will be 0 after incrementing */
#ifdef _MSC_VER
decklinksrc->com_init_lock = g_mutex_new();
decklinksrc->com_deinit_lock = g_mutex_new();
decklinksrc->com_initialized = g_cond_new();
decklinksrc->com_uninitialize = g_cond_new();
decklinksrc->com_uninitialized = g_cond_new();
g_mutex_lock (decklinksrc->com_init_lock);
/* create the COM initialization thread */
g_thread_create ((GThreadFunc)gst_decklink_src_com_thread,
decklinksrc, FALSE, NULL);
/* wait until the COM thread signals that COM has been initialized */
g_cond_wait (decklinksrc->com_initialized, decklinksrc->com_init_lock);
g_mutex_unlock (decklinksrc->com_init_lock);
#endif /* _MSC_VER */
}
static GstElement *
gst_auto_convert_add_element (GstAutoConvert * autoconvert,
GstElementFactory * factory)
{
GstElement *element = NULL;
GstPad *internal_sinkpad = NULL;
GstPad *internal_srcpad = NULL;
GstPad *sinkpad;
GstPad *srcpad;
GstPadLinkReturn padlinkret;
GST_DEBUG_OBJECT (autoconvert, "Adding element %s to the autoconvert bin",
gst_plugin_feature_get_name (GST_PLUGIN_FEATURE (factory)));
element = gst_element_factory_create (factory, NULL);
if (!element)
return NULL;
if (!gst_bin_add (GST_BIN (autoconvert), element)) {
GST_ERROR_OBJECT (autoconvert, "Could not add element %s to the bin",
GST_OBJECT_NAME (element));
gst_object_unref (element);
return NULL;
}
srcpad = get_pad_by_direction (element, GST_PAD_SRC);
if (!srcpad) {
GST_ERROR_OBJECT (autoconvert, "Could not find source in %s",
GST_OBJECT_NAME (element));
goto error;
}
sinkpad = get_pad_by_direction (element, GST_PAD_SINK);
if (!sinkpad) {
GST_ERROR_OBJECT (autoconvert, "Could not find sink in %s",
GST_OBJECT_NAME (element));
goto error;
}
internal_sinkpad =
gst_pad_new_from_static_template (&sink_internal_template,
"sink_internal");
internal_srcpad =
gst_pad_new_from_static_template (&src_internal_template, "src_internal");
if (!internal_sinkpad || !internal_srcpad) {
GST_ERROR_OBJECT (autoconvert, "Could not create internal pads");
goto error;
}
g_object_weak_ref (G_OBJECT (element), (GWeakNotify) gst_object_unref,
internal_sinkpad);
g_object_weak_ref (G_OBJECT (element), (GWeakNotify) gst_object_unref,
internal_srcpad);
gst_pad_set_active (internal_sinkpad, TRUE);
gst_pad_set_active (internal_srcpad, TRUE);
g_object_set_qdata (G_OBJECT (internal_srcpad), parent_quark, autoconvert);
g_object_set_qdata (G_OBJECT (internal_sinkpad), parent_quark, autoconvert);
gst_pad_set_chain_function (internal_sinkpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_internal_sink_chain));
gst_pad_set_event_function (internal_sinkpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_internal_sink_event));
gst_pad_set_query_function (internal_sinkpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_internal_sink_query));
gst_pad_set_query_type_function (internal_sinkpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_internal_sink_query_type));
gst_pad_set_getcaps_function (internal_sinkpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_internal_sink_getcaps));
gst_pad_set_bufferalloc_function (internal_sinkpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_internal_sink_buffer_alloc));
gst_pad_set_fixatecaps_function (internal_sinkpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_internal_sink_fixatecaps));
gst_pad_set_event_function (internal_srcpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_internal_src_event));
gst_pad_set_query_function (internal_srcpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_internal_src_query));
gst_pad_set_query_type_function (internal_srcpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_internal_src_query_type));
padlinkret = gst_pad_link (internal_srcpad, sinkpad);
if (GST_PAD_LINK_FAILED (padlinkret)) {
GST_WARNING_OBJECT (autoconvert, "Could not links pad %s:%s to %s:%s"
" for reason %d",
GST_DEBUG_PAD_NAME (internal_srcpad),
GST_DEBUG_PAD_NAME (sinkpad), padlinkret);
goto error;
}
padlinkret = gst_pad_link (srcpad, internal_sinkpad);
if (GST_PAD_LINK_FAILED (padlinkret)) {
GST_WARNING_OBJECT (autoconvert, "Could not links pad %s:%s to %s:%s"
" for reason %d",
GST_DEBUG_PAD_NAME (internal_srcpad),
GST_DEBUG_PAD_NAME (sinkpad), padlinkret);
goto error;
}
g_object_set_qdata (G_OBJECT (element),
internal_srcpad_quark, internal_srcpad);
g_object_set_qdata (G_OBJECT (element),
internal_sinkpad_quark, internal_sinkpad);
/* Iffy */
gst_element_sync_state_with_parent (element);
/* Increment the reference count we will return to the caller */
gst_object_ref (element);
return element;
error:
gst_bin_remove (GST_BIN (autoconvert), element);
return NULL;
}