Ejemplo n.º 1
0
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);
}
Ejemplo n.º 2
0
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);

}
Ejemplo n.º 4
0
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;
}
Ejemplo n.º 5
0
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");
}
Ejemplo n.º 8
0
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);
}
Ejemplo n.º 9
0
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)));

}
Ejemplo n.º 10
0
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);
}
Ejemplo n.º 11
0
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);
}
Ejemplo n.º 12
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);
}
Ejemplo n.º 13
0
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);
}
Ejemplo n.º 14
0
Archivo: tee.c Proyecto: zsx/ossbuild
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);
}
Ejemplo n.º 15
0
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 ();
}
Ejemplo n.º 16
0
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;
}
Ejemplo n.º 17
0
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 */
}
Ejemplo n.º 18
0
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;
}
Ejemplo n.º 19
0
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;
}
Ejemplo n.º 20
0
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;
  }
}