static void
gst_vdp_vpp_init (GstVdpVideoPostProcess * vpp,
GstVdpVideoPostProcessClass * gclass)
{
vpp->device = NULL;
vpp->force_aspect_ratio = FALSE;
vpp->mode = GST_VDP_DEINTERLACE_MODE_AUTO;
vpp->method = GST_VDP_DEINTERLACE_METHOD_BOB;
vpp->noise_reduction = 0.0;
vpp->sharpening = 0.0;
/* SRC PAD */
vpp->srcpad = gst_pad_new_from_static_template (&src_template, "src");
gst_element_add_pad (GST_ELEMENT (vpp), vpp->srcpad);
/* SINK PAD */
vpp->sinkpad = gst_pad_new_from_static_template (&sink_template, "sink");
gst_element_add_pad (GST_ELEMENT (vpp), vpp->sinkpad);
gst_pad_set_getcaps_function (vpp->sinkpad, gst_vdp_vpp_sink_getcaps);
gst_pad_set_setcaps_function (vpp->sinkpad, gst_vdp_vpp_sink_setcaps);
gst_pad_set_chain_function (vpp->sinkpad,
GST_DEBUG_FUNCPTR (gst_vdp_vpp_chain));
gst_pad_set_event_function (vpp->sinkpad,
GST_DEBUG_FUNCPTR (gst_vdp_vpp_sink_event));
gst_pad_set_bufferalloc_function (vpp->sinkpad, gst_vdp_vpp_sink_bufferalloc);
}
static GstPad *
fs_funnel_request_new_pad (GstElement * element, GstPadTemplate * templ,
const gchar * name)
{
GstPad *sinkpad;
FsFunnelPadPrivate *priv = g_slice_alloc0 (sizeof(FsFunnelPadPrivate));
GST_DEBUG_OBJECT (element, "requesting pad");
sinkpad = gst_pad_new_from_template (templ, name);
gst_pad_set_chain_function (sinkpad, GST_DEBUG_FUNCPTR (fs_funnel_chain));
gst_pad_set_event_function (sinkpad, GST_DEBUG_FUNCPTR (fs_funnel_event));
gst_pad_set_getcaps_function (sinkpad, GST_DEBUG_FUNCPTR (fs_funnel_getcaps));
gst_pad_set_bufferalloc_function (sinkpad,
GST_DEBUG_FUNCPTR (fs_funnel_buffer_alloc));
gst_segment_init (&priv->segment, GST_FORMAT_UNDEFINED);
gst_pad_set_element_private (sinkpad, priv);
gst_pad_set_active (sinkpad, TRUE);
gst_element_add_pad (element, sinkpad);
return sinkpad;
}
static void
gst_caps_debug_init (GstCapsDebug * capsdebug)
{
capsdebug->srcpad =
gst_pad_new_from_static_template (&gst_caps_debug_src_template, "src");
gst_pad_set_getcaps_function (capsdebug->srcpad,
GST_DEBUG_FUNCPTR (gst_caps_debug_getcaps));
gst_pad_set_acceptcaps_function (capsdebug->srcpad,
GST_DEBUG_FUNCPTR (gst_caps_debug_acceptcaps));
gst_element_add_pad (GST_ELEMENT (capsdebug), capsdebug->srcpad);
capsdebug->sinkpad =
gst_pad_new_from_static_template (&gst_caps_debug_sink_template, "sink");
gst_pad_set_chain_function (capsdebug->sinkpad,
GST_DEBUG_FUNCPTR (gst_caps_debug_sink_chain));
gst_pad_set_bufferalloc_function (capsdebug->sinkpad,
GST_DEBUG_FUNCPTR (gst_caps_debug_bufferalloc));
gst_pad_set_getcaps_function (capsdebug->sinkpad,
GST_DEBUG_FUNCPTR (gst_caps_debug_getcaps));
gst_pad_set_acceptcaps_function (capsdebug->sinkpad,
GST_DEBUG_FUNCPTR (gst_caps_debug_acceptcaps));
gst_element_add_pad (GST_ELEMENT (capsdebug), capsdebug->sinkpad);
}
static GstPad *
rsn_stream_selector_request_new_pad (GstElement * element,
GstPadTemplate * templ, const gchar * unused)
{
RsnStreamSelector *sel;
gchar *name = NULL;
GstPad *sinkpad = NULL;
sel = RSN_STREAM_SELECTOR (element);
g_return_val_if_fail (templ->direction == GST_PAD_SINK, NULL);
GST_LOG_OBJECT (sel, "Creating new pad %d", sel->padcount);
GST_OBJECT_LOCK (sel);
name = g_strdup_printf ("sink%d", sel->padcount++);
sinkpad = g_object_new (RSN_TYPE_SELECTOR_PAD,
"name", name, "direction", templ->direction, "template", templ, NULL);
g_free (name);
sel->n_pads++;
GST_OBJECT_UNLOCK (sel);
gst_pad_set_event_function (sinkpad,
GST_DEBUG_FUNCPTR (gst_selector_pad_event));
gst_pad_set_getcaps_function (sinkpad,
GST_DEBUG_FUNCPTR (gst_selector_pad_getcaps));
gst_pad_set_chain_function (sinkpad,
GST_DEBUG_FUNCPTR (gst_selector_pad_chain));
gst_pad_set_iterate_internal_links_function (sinkpad,
GST_DEBUG_FUNCPTR (rsn_stream_selector_iterate_linked_pads));
gst_pad_set_bufferalloc_function (sinkpad,
GST_DEBUG_FUNCPTR (gst_selector_pad_bufferalloc));
gst_pad_set_active (sinkpad, TRUE);
gst_element_add_pad (GST_ELEMENT (sel), sinkpad);
return sinkpad;
}
static void
gst_vdp_video_yuv_init (GstVdpVideoYUV * video_yuv, GstVdpVideoYUVClass * klass)
{
video_yuv->display = NULL;
gst_pad_set_bufferalloc_function (GST_BASE_TRANSFORM_SINK_PAD (video_yuv),
gst_vdp_video_yuv_buffer_alloc);
}
static void
gst_ffmpegaudioresample_init (GstFFMpegAudioResample * resample,
GstFFMpegAudioResampleClass * klass)
{
GstBaseTransform *trans = GST_BASE_TRANSFORM (resample);
gst_pad_set_bufferalloc_function (trans->sinkpad, NULL);
resample->res = NULL;
}
static void
gst_audio_ringbuffer_init (GstAudioRingbuffer * ringbuffer,
GstAudioRingbufferClass * g_class)
{
ringbuffer->sinkpad =
gst_pad_new_from_static_template (&sinktemplate, "sink");
gst_pad_set_chain_function (ringbuffer->sinkpad,
GST_DEBUG_FUNCPTR (gst_audio_ringbuffer_chain));
gst_pad_set_activatepush_function (ringbuffer->sinkpad,
GST_DEBUG_FUNCPTR (gst_audio_ringbuffer_sink_activate_push));
gst_pad_set_event_function (ringbuffer->sinkpad,
GST_DEBUG_FUNCPTR (gst_audio_ringbuffer_handle_sink_event));
gst_pad_set_getcaps_function (ringbuffer->sinkpad,
GST_DEBUG_FUNCPTR (gst_audio_ringbuffer_getcaps));
gst_pad_set_setcaps_function (ringbuffer->sinkpad,
GST_DEBUG_FUNCPTR (gst_audio_ringbuffer_setcaps));
gst_pad_set_bufferalloc_function (ringbuffer->sinkpad,
GST_DEBUG_FUNCPTR (gst_audio_ringbuffer_bufferalloc));
gst_element_add_pad (GST_ELEMENT (ringbuffer), ringbuffer->sinkpad);
ringbuffer->srcpad = gst_pad_new_from_static_template (&srctemplate, "src");
gst_pad_set_activatepull_function (ringbuffer->srcpad,
GST_DEBUG_FUNCPTR (gst_audio_ringbuffer_src_activate_pull));
gst_pad_set_activatepush_function (ringbuffer->srcpad,
GST_DEBUG_FUNCPTR (gst_audio_ringbuffer_src_activate_push));
gst_pad_set_getrange_function (ringbuffer->srcpad,
GST_DEBUG_FUNCPTR (gst_audio_ringbuffer_get_range));
gst_pad_set_checkgetrange_function (ringbuffer->srcpad,
GST_DEBUG_FUNCPTR (gst_audio_ringbuffer_src_checkgetrange_function));
gst_pad_set_getcaps_function (ringbuffer->srcpad,
GST_DEBUG_FUNCPTR (gst_audio_ringbuffer_getcaps));
gst_pad_set_event_function (ringbuffer->srcpad,
GST_DEBUG_FUNCPTR (gst_audio_ringbuffer_handle_src_event));
gst_pad_set_query_function (ringbuffer->srcpad,
GST_DEBUG_FUNCPTR (gst_audio_ringbuffer_handle_src_query));
gst_element_add_pad (GST_ELEMENT (ringbuffer), ringbuffer->srcpad);
gst_segment_init (&ringbuffer->sink_segment, GST_FORMAT_TIME);
ringbuffer->cond = g_cond_new ();
ringbuffer->is_eos = FALSE;
ringbuffer->buffer_time = DEFAULT_BUFFER_TIME;
ringbuffer->segment_time = DEFAULT_SEGMENT_TIME;
GST_DEBUG_OBJECT (ringbuffer,
"initialized ringbuffer's not_empty & not_full conditions");
}
static void
gst_shape_wipe_init (GstShapeWipe * self, GstShapeWipeClass * g_class)
{
self->video_sinkpad =
gst_pad_new_from_static_template (&video_sink_pad_template, "video_sink");
gst_pad_set_chain_function (self->video_sinkpad,
GST_DEBUG_FUNCPTR (gst_shape_wipe_video_sink_chain));
gst_pad_set_event_function (self->video_sinkpad,
GST_DEBUG_FUNCPTR (gst_shape_wipe_video_sink_event));
gst_pad_set_setcaps_function (self->video_sinkpad,
GST_DEBUG_FUNCPTR (gst_shape_wipe_video_sink_setcaps));
gst_pad_set_getcaps_function (self->video_sinkpad,
GST_DEBUG_FUNCPTR (gst_shape_wipe_video_sink_getcaps));
gst_pad_set_bufferalloc_function (self->video_sinkpad,
GST_DEBUG_FUNCPTR (gst_shape_wipe_video_sink_bufferalloc));
gst_pad_set_query_function (self->video_sinkpad,
GST_DEBUG_FUNCPTR (gst_shape_wipe_video_sink_query));
gst_element_add_pad (GST_ELEMENT (self), self->video_sinkpad);
self->mask_sinkpad =
gst_pad_new_from_static_template (&mask_sink_pad_template, "mask_sink");
gst_pad_set_chain_function (self->mask_sinkpad,
GST_DEBUG_FUNCPTR (gst_shape_wipe_mask_sink_chain));
gst_pad_set_event_function (self->mask_sinkpad,
GST_DEBUG_FUNCPTR (gst_shape_wipe_mask_sink_event));
gst_pad_set_setcaps_function (self->mask_sinkpad,
GST_DEBUG_FUNCPTR (gst_shape_wipe_mask_sink_setcaps));
gst_pad_set_getcaps_function (self->mask_sinkpad,
GST_DEBUG_FUNCPTR (gst_shape_wipe_mask_sink_getcaps));
gst_element_add_pad (GST_ELEMENT (self), self->mask_sinkpad);
self->srcpad = gst_pad_new_from_static_template (&src_pad_template, "src");
gst_pad_set_event_function (self->srcpad,
GST_DEBUG_FUNCPTR (gst_shape_wipe_src_event));
gst_pad_set_getcaps_function (self->srcpad,
GST_DEBUG_FUNCPTR (gst_shape_wipe_src_getcaps));
gst_pad_set_query_function (self->srcpad,
GST_DEBUG_FUNCPTR (gst_shape_wipe_src_query));
gst_element_add_pad (GST_ELEMENT (self), self->srcpad);
self->mask_mutex = g_mutex_new ();
self->mask_cond = g_cond_new ();
gst_shape_wipe_reset (self);
}
static void
setup_test_objects (struct TestData *td, GstPadChainFunction chain_func, GstPadBufferAllocFunction alloc_func)
{
td->mycaps = gst_caps_new_simple ("test/test", NULL);
td->funnel = gst_element_factory_make ("fsfunnel", NULL);
td->funnelsrc = gst_element_get_static_pad (td->funnel, "src");
fail_unless (td->funnelsrc != NULL);
td->funnelsink11 = gst_element_get_request_pad (td->funnel, "sink11");
fail_unless (td->funnelsink11 != NULL);
fail_unless (!strcmp (GST_OBJECT_NAME (td->funnelsink11), "sink11"));
td->funnelsink22 = gst_element_get_request_pad (td->funnel, "sink22");
fail_unless (td->funnelsink22 != NULL);
fail_unless (!strcmp (GST_OBJECT_NAME (td->funnelsink22), "sink22"));
fail_unless (gst_element_set_state (td->funnel, GST_STATE_PLAYING) ==
GST_STATE_CHANGE_SUCCESS);
td->mysink = gst_pad_new ("sink", GST_PAD_SINK);
gst_pad_set_chain_function (td->mysink, chain_func);
gst_pad_set_bufferalloc_function (td->mysink, alloc_func);
gst_pad_set_active (td->mysink, TRUE);
gst_pad_set_caps (td->mysink, td->mycaps);
td->mysrc1 = gst_pad_new ("src1", GST_PAD_SRC);
gst_pad_set_active (td->mysrc1, TRUE);
gst_pad_set_caps (td->mysrc1, td->mycaps);
td->mysrc2 = gst_pad_new ("src2", GST_PAD_SRC);
gst_pad_set_active (td->mysrc2, TRUE);
gst_pad_set_caps (td->mysrc2, td->mycaps);
fail_unless (GST_PAD_LINK_SUCCESSFUL(
gst_pad_link (td->funnelsrc, td->mysink)));
fail_unless (GST_PAD_LINK_SUCCESSFUL(
gst_pad_link (td->mysrc1, td->funnelsink11)));
fail_unless (GST_PAD_LINK_SUCCESSFUL(
gst_pad_link (td->mysrc2, td->funnelsink22)));
}
static void
gst_segment_clip_init (GstSegmentClip * self, GstSegmentClipClass * g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
GstPadTemplate *templ;
templ = gst_element_class_get_pad_template (element_class, "sink");
g_assert (templ);
self->sinkpad = gst_pad_new_from_template (templ, "sink");
gst_pad_set_chain_function (self->sinkpad,
GST_DEBUG_FUNCPTR (gst_segment_clip_sink_chain));
gst_pad_set_event_function (self->sinkpad,
GST_DEBUG_FUNCPTR (gst_segment_clip_event));
gst_pad_set_setcaps_function (self->sinkpad,
GST_DEBUG_FUNCPTR (gst_segment_clip_sink_setcaps));
gst_pad_set_getcaps_function (self->sinkpad,
GST_DEBUG_FUNCPTR (gst_segment_clip_getcaps));
gst_pad_set_bufferalloc_function (self->sinkpad,
GST_DEBUG_FUNCPTR (gst_segment_clip_sink_bufferalloc));
gst_pad_set_query_function (self->sinkpad,
GST_DEBUG_FUNCPTR (gst_segment_clip_query));
gst_pad_set_query_type_function (self->sinkpad,
GST_DEBUG_FUNCPTR (gst_segment_clip_query_type));
gst_element_add_pad (GST_ELEMENT (self), self->sinkpad);
gst_object_unref (templ);
templ = gst_element_class_get_pad_template (element_class, "src");
g_assert (templ);
self->srcpad = gst_pad_new_from_template (templ, "src");
gst_pad_set_event_function (self->srcpad,
GST_DEBUG_FUNCPTR (gst_segment_clip_event));
gst_pad_set_getcaps_function (self->srcpad,
GST_DEBUG_FUNCPTR (gst_segment_clip_getcaps));
gst_pad_set_query_function (self->srcpad,
GST_DEBUG_FUNCPTR (gst_segment_clip_query));
gst_pad_set_query_type_function (self->srcpad,
GST_DEBUG_FUNCPTR (gst_segment_clip_query_type));
gst_element_add_pad (GST_ELEMENT (self), self->srcpad);
gst_segment_clip_reset (self);
}
void test_live_switch()
{
GstElement *audioresample;
GstEvent *newseg;
GstCaps *caps;
xmlfile = "test_live_switch";
std_log(LOG_FILENAME_LINE, "Test Started test_live_switch");
audioresample = setup_audioresample (4, 48000, 48000, 16, FALSE);
/* Let the sinkpad act like something that can only handle things of
* rate 48000- and can only allocate buffers for that rate, but if someone
* tries to get a buffer with a rate higher then 48000 tries to renegotiate
* */
gst_pad_set_bufferalloc_function (mysinkpad, live_switch_alloc_only_48000);
gst_pad_set_getcaps_function (mysinkpad, live_switch_get_sink_caps);
gst_pad_use_fixed_caps (mysrcpad);
caps = gst_pad_get_negotiated_caps (mysrcpad);
fail_unless (gst_caps_is_fixed (caps));
fail_unless (gst_element_set_state (audioresample,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
newseg = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME, 0, -1, 0);
fail_unless (gst_pad_push_event (mysrcpad, newseg) != FALSE);
/* downstream can provide the requested rate, a buffer alloc will be passed
* on */
live_switch_push (48000, caps);
/* Downstream can never accept this rate, buffer alloc isn't passed on */
live_switch_push (40000, caps);
/* Downstream can provide the requested rate but will re-negotiate */
live_switch_push (50000, caps);
cleanup_audioresample (audioresample);
gst_caps_unref (caps);
std_log(LOG_FILENAME_LINE, "Test Successful");
create_xml(0);
}
static void
gst_audioresample_init (GstAudioresample * audioresample,
GstAudioresampleClass * klass)
{
GstBaseTransform *trans;
trans = GST_BASE_TRANSFORM (audioresample);
/* buffer alloc passthrough is too impossible. FIXME, it
* is trivial in the passthrough case. */
gst_pad_set_bufferalloc_function (trans->sinkpad, NULL);
audioresample->filter_length = DEFAULT_FILTERLEN;
audioresample->need_discont = FALSE;
gst_pad_set_query_function (trans->srcpad, audioresample_query);
gst_pad_set_query_type_function (trans->srcpad, audioresample_query_type);
}
static void
gst_valve_init (GstValve * valve, GstValveClass * klass)
{
valve->drop = FALSE;
valve->discont = FALSE;
valve->srcpad = gst_pad_new_from_static_template (&srctemplate, "src");
gst_pad_set_getcaps_function (valve->srcpad,
GST_DEBUG_FUNCPTR (gst_valve_getcaps));
gst_element_add_pad (GST_ELEMENT (valve), valve->srcpad);
valve->sinkpad = gst_pad_new_from_static_template (&sinktemplate, "sink");
gst_pad_set_chain_function (valve->sinkpad,
GST_DEBUG_FUNCPTR (gst_valve_chain));
gst_pad_set_event_function (valve->sinkpad,
GST_DEBUG_FUNCPTR (gst_valve_event));
gst_pad_set_bufferalloc_function (valve->sinkpad,
GST_DEBUG_FUNCPTR (gst_valve_buffer_alloc));
gst_pad_set_getcaps_function (valve->sinkpad,
GST_DEBUG_FUNCPTR (gst_valve_getcaps));
gst_element_add_pad (GST_ELEMENT (valve), valve->sinkpad);
}
void
buffer_alloc_harness_setup (BufferAllocHarness * h, gint countdown)
{
h->tee = gst_check_setup_element ("tee");
fail_if (h->tee == NULL);
h->countdown = countdown;
fail_unless_equals_int (gst_element_set_state (h->tee, GST_STATE_PLAYING),
TRUE);
h->caps = gst_caps_new_simple ("video/x-raw-yuv", NULL);
h->start_srcpad = gst_pad_new ("src", GST_PAD_SRC);
fail_if (h->start_srcpad == NULL);
fail_unless (gst_pad_set_caps (h->start_srcpad, h->caps) == TRUE);
fail_unless (gst_pad_set_active (h->start_srcpad, TRUE) == TRUE);
h->tee_sinkpad = gst_element_get_static_pad (h->tee, "sink");
fail_if (h->tee_sinkpad == NULL);
h->tee_srcpad = gst_element_get_request_pad (h->tee, "src%d");
fail_if (h->tee_srcpad == NULL);
h->final_sinkpad = gst_pad_new ("sink", GST_PAD_SINK);
fail_if (h->final_sinkpad == NULL);
gst_pad_set_bufferalloc_function (h->final_sinkpad,
final_sinkpad_bufferalloc);
fail_unless (gst_pad_set_caps (h->final_sinkpad, h->caps) == TRUE);
fail_unless (gst_pad_set_active (h->final_sinkpad, TRUE) == TRUE);
g_object_set_qdata (G_OBJECT (h->final_sinkpad),
g_quark_from_static_string ("buffer-alloc-harness"), h);
fail_unless_equals_int (gst_pad_link (h->start_srcpad, h->tee_sinkpad),
GST_PAD_LINK_OK);
fail_unless_equals_int (gst_pad_link (h->tee_srcpad, h->final_sinkpad),
GST_PAD_LINK_OK);
}
static void
rsn_parsetter_init (RsnParSetter * parset, RsnParSetterClass * gclass)
{
parset->sinkpad = gst_pad_new_from_static_template (&sink_factory, "sink");
gst_pad_set_getcaps_function (parset->sinkpad,
GST_DEBUG_FUNCPTR (gst_pad_proxy_getcaps));
gst_pad_set_chain_function (parset->sinkpad,
GST_DEBUG_FUNCPTR (rsn_parsetter_chain));
gst_pad_set_event_function (parset->sinkpad,
GST_DEBUG_FUNCPTR (rsn_parsetter_sink_event));
gst_pad_set_setcaps_function (parset->sinkpad,
GST_DEBUG_FUNCPTR (rsn_parsetter_sink_setcaps));
gst_pad_set_bufferalloc_function (parset->sinkpad,
GST_DEBUG_FUNCPTR (rsn_parsetter_sink_bufferalloc));
gst_element_add_pad (GST_ELEMENT (parset), parset->sinkpad);
parset->srcpad = gst_pad_new_from_static_template (&src_factory, "src");
gst_pad_set_getcaps_function (parset->srcpad,
GST_DEBUG_FUNCPTR (rsn_parsetter_src_getcaps));
gst_element_add_pad (GST_ELEMENT (parset), parset->srcpad);
parset->caps_lock = g_mutex_new ();
}
static void
gst_auto_convert_init (GstAutoConvert * autoconvert,
GstAutoConvertClass * klass)
{
autoconvert->sinkpad =
gst_pad_new_from_static_template (&sinktemplate, "sink");
autoconvert->srcpad = gst_pad_new_from_static_template (&srctemplate, "src");
gst_pad_set_setcaps_function (autoconvert->sinkpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_sink_setcaps));
gst_pad_set_getcaps_function (autoconvert->sinkpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_sink_getcaps));
gst_pad_set_chain_function (autoconvert->sinkpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_sink_chain));
gst_pad_set_event_function (autoconvert->sinkpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_sink_event));
gst_pad_set_query_function (autoconvert->sinkpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_sink_query));
gst_pad_set_query_type_function (autoconvert->sinkpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_sink_query_type));
gst_pad_set_bufferalloc_function (autoconvert->sinkpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_sink_buffer_alloc));
gst_pad_set_event_function (autoconvert->srcpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_src_event));
gst_pad_set_query_function (autoconvert->srcpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_src_query));
gst_pad_set_query_type_function (autoconvert->srcpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_src_query_type));
gst_element_add_pad (GST_ELEMENT (autoconvert), autoconvert->sinkpad);
gst_element_add_pad (GST_ELEMENT (autoconvert), autoconvert->srcpad);
gst_segment_init (&autoconvert->sink_segment, GST_FORMAT_UNDEFINED);
autoconvert->initial_identity = DEFAULT_INITIAL_IDENTITY;
}
static void
gst_decklink_sink_init (GstDecklinkSink * decklinksink,
GstDecklinkSinkClass * decklinksink_class)
{
decklinksink->videosinkpad =
gst_pad_new_from_static_template (&gst_decklink_sink_videosink_template,
"sink");
gst_pad_set_getcaps_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_getcaps));
gst_pad_set_setcaps_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_setcaps));
gst_pad_set_acceptcaps_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_acceptcaps));
gst_pad_set_activate_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_activate));
gst_pad_set_activatepush_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_activatepush));
gst_pad_set_activatepull_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_activatepull));
gst_pad_set_link_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_link));
gst_pad_set_chain_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_chain));
gst_pad_set_chain_list_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_chainlist));
gst_pad_set_event_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_event));
gst_pad_set_query_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_query));
gst_pad_set_bufferalloc_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_bufferalloc));
gst_pad_set_iterate_internal_links_function (decklinksink->videosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_videosink_iterintlink));
gst_element_add_pad (GST_ELEMENT (decklinksink), decklinksink->videosinkpad);
decklinksink->audiosinkpad =
gst_pad_new_from_static_template (&gst_decklink_sink_audiosink_template,
"audiosink");
gst_pad_set_getcaps_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_getcaps));
gst_pad_set_setcaps_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_setcaps));
gst_pad_set_acceptcaps_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_acceptcaps));
gst_pad_set_activate_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_activate));
gst_pad_set_activatepush_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_activatepush));
gst_pad_set_activatepull_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_activatepull));
gst_pad_set_link_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_link));
gst_pad_set_chain_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_chain));
gst_pad_set_chain_list_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_chainlist));
gst_pad_set_event_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_event));
gst_pad_set_query_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_query));
gst_pad_set_bufferalloc_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_bufferalloc));
gst_pad_set_iterate_internal_links_function (decklinksink->audiosinkpad,
GST_DEBUG_FUNCPTR (gst_decklink_sink_audiosink_iterintlink));
gst_element_add_pad (GST_ELEMENT (decklinksink), decklinksink->audiosinkpad);
decklinksink->cond = g_cond_new ();
decklinksink->mutex = g_mutex_new ();
decklinksink->audio_mutex = g_mutex_new ();
decklinksink->mode = GST_DECKLINK_MODE_NTSC;
decklinksink->callback = new Output;
decklinksink->callback->decklinksink = decklinksink;
#ifdef _MSC_VER
decklinksink->com_init_lock = g_mutex_new();
decklinksink->com_deinit_lock = g_mutex_new();
decklinksink->com_initialized = g_cond_new();
decklinksink->com_uninitialize = g_cond_new();
decklinksink->com_uninitialized = g_cond_new();
g_mutex_lock (decklinksink->com_init_lock);
/* create the COM initialization thread */
g_thread_create ((GThreadFunc)gst_decklink_sink_com_thread,
decklinksink, FALSE, NULL);
/* wait until the COM thread signals that COM has been initialized */
g_cond_wait (decklinksink->com_initialized, decklinksink->com_init_lock);
g_mutex_unlock (decklinksink->com_init_lock);
#endif /* _MSC_VER */
}
static HRESULT Gstreamer_transform_ConnectInput(GstTfImpl *This, const AM_MEDIA_TYPE *amt, GstCaps *capsin, GstCaps *capsout) {
GstIterator *it;
int done = 0, found = 0, ret;
This->filter = gst_element_factory_make(This->gstreamer_name, NULL);
if (!This->filter) {
FIXME("Could not make %s filter\n", This->gstreamer_name);
return E_FAIL;
}
This->my_src = gst_pad_new(NULL, GST_PAD_SRC);
gst_pad_set_element_private (This->my_src, This);
This->my_sink = gst_pad_new(NULL, GST_PAD_SINK);
gst_pad_set_chain_function(This->my_sink, got_data);
gst_pad_set_bufferalloc_function(This->my_sink, request_buffer);
gst_pad_set_element_private (This->my_sink, This);
ret = gst_pad_set_caps(This->my_src, capsin);
if (ret < 0) {
WARN("Failed to set caps on own source with %i\n", ret);
return E_FAIL;
}
ret = gst_pad_set_caps(This->my_sink, capsout);
if (ret < 0) {
WARN("Failed to set caps on own sink with %i\n", ret);
return E_FAIL;
}
it = gst_element_iterate_sink_pads(This->filter);
while (!done) {
gpointer item;
switch (gst_iterator_next(it, &item)) {
case GST_ITERATOR_RESYNC:
gst_iterator_resync (it);
break;
case GST_ITERATOR_OK:
This->their_sink = item;
case GST_ITERATOR_ERROR:
case GST_ITERATOR_DONE:
done = 1;
break;
}
}
gst_iterator_free(it);
if (!This->their_sink) {
ERR("Could not find sink on filter %s\n", This->gstreamer_name);
return E_FAIL;
}
it = gst_element_iterate_src_pads(This->filter);
gst_iterator_resync(it);
done = 0;
while (!done) {
gpointer item;
switch (gst_iterator_next(it, &item)) {
case GST_ITERATOR_RESYNC:
gst_iterator_resync (it);
break;
case GST_ITERATOR_OK:
This->their_src = item;
case GST_ITERATOR_ERROR:
case GST_ITERATOR_DONE:
done = 1;
break;
}
}
gst_iterator_free(it);
found = !!This->their_src;
if (!found)
g_signal_connect(This->filter, "pad-added", G_CALLBACK(Gstreamer_transform_pad_added), This);
ret = gst_pad_link(This->my_src, This->their_sink);
if (ret < 0) {
WARN("Failed to link with %i\n", ret);
return E_FAIL;
}
if (found)
Gstreamer_transform_pad_added(This->filter, This->their_src, This);
if (!gst_pad_is_linked(This->my_sink))
return E_FAIL;
TRACE("Connected\n");
return S_OK;
}
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;
}
static GstPad *
gst_ghost_pad_new_full (const gchar * name, GstPadDirection dir,
GstPadTemplate * templ)
{
GstPad *ret;
GstPad *internal;
GstPadDirection otherdir;
g_return_val_if_fail (dir != GST_PAD_UNKNOWN, NULL);
/* OBJECT CREATION */
if (templ) {
ret = g_object_new (GST_TYPE_GHOST_PAD, "name", name,
"direction", dir, "template", templ, NULL);
} else {
ret = g_object_new (GST_TYPE_GHOST_PAD, "name", name,
"direction", dir, NULL);
}
/* Set directional padfunctions for ghostpad */
if (dir == GST_PAD_SINK) {
gst_pad_set_bufferalloc_function (ret,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_bufferalloc));
gst_pad_set_chain_function (ret,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_chain));
} else {
gst_pad_set_getrange_function (ret,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_getrange));
gst_pad_set_checkgetrange_function (ret,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_checkgetrange));
}
/* link/unlink functions */
gst_pad_set_link_function (ret, GST_DEBUG_FUNCPTR (gst_ghost_pad_do_link));
gst_pad_set_unlink_function (ret,
GST_DEBUG_FUNCPTR (gst_ghost_pad_do_unlink));
/* INTERNAL PAD, it always exists and is child of the ghostpad */
otherdir = (dir == GST_PAD_SRC) ? GST_PAD_SINK : GST_PAD_SRC;
if (templ) {
internal =
g_object_new (GST_TYPE_PROXY_PAD, "name", NULL,
"direction", otherdir, "template", templ, NULL);
} else {
internal =
g_object_new (GST_TYPE_PROXY_PAD, "name", NULL,
"direction", otherdir, NULL);
}
GST_PAD_UNSET_FLUSHING (internal);
/* Set directional padfunctions for internal pad */
if (dir == GST_PAD_SRC) {
gst_pad_set_bufferalloc_function (internal,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_bufferalloc));
gst_pad_set_chain_function (internal,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_chain));
} else {
gst_pad_set_getrange_function (internal,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_getrange));
gst_pad_set_checkgetrange_function (internal,
GST_DEBUG_FUNCPTR (gst_proxy_pad_do_checkgetrange));
}
GST_PROXY_LOCK (ret);
/* now make the ghostpad a parent of the internal pad */
if (!gst_object_set_parent (GST_OBJECT_CAST (internal),
GST_OBJECT_CAST (ret)))
goto parent_failed;
/* The ghostpad is the parent of the internal pad and is the only object that
* can have a refcount on the internal pad.
* At this point, the GstGhostPad has a refcount of 1, and the internal pad has
* a refcount of 1.
* When the refcount of the GstGhostPad drops to 0, the ghostpad will dispose
* it's refcount on the internal pad in the dispose method by un-parenting it.
* This is why we don't take extra refcounts in the assignments below
*/
GST_PROXY_PAD_INTERNAL (ret) = internal;
GST_PROXY_PAD_INTERNAL (internal) = ret;
/* could be more general here, iterating over all writable properties...
* taking the short road for now tho */
GST_GHOST_PAD_CAST (ret)->notify_id =
g_signal_connect (internal, "notify::caps", G_CALLBACK (on_int_notify),
ret);
/* call function to init values of the pad caps */
on_int_notify (internal, NULL, GST_GHOST_PAD_CAST (ret));
/* special activation functions for the internal pad */
gst_pad_set_activatepull_function (internal,
GST_DEBUG_FUNCPTR (gst_ghost_pad_internal_do_activate_pull));
gst_pad_set_activatepush_function (internal,
GST_DEBUG_FUNCPTR (gst_ghost_pad_internal_do_activate_push));
GST_PROXY_UNLOCK (ret);
return ret;
/* ERRORS */
parent_failed:
{
GST_WARNING_OBJECT (ret, "Could not set internal pad %s:%s",
GST_DEBUG_PAD_NAME (internal));
g_critical ("Could not set internal pad %s:%s",
GST_DEBUG_PAD_NAME (internal));
GST_PROXY_UNLOCK (ret);
gst_object_unref (ret);
gst_object_unref (internal);
return NULL;
}
}