C++ (Cpp) gst_element_class_add_static_pad_template_with_gtype 예제들

예제 #1

파일: gstglstereomix.c 프로젝트: thiblahute/gst-plugins-bad

static void
gst_gl_stereo_mix_class_init (GstGLStereoMixClass * klass)
{
  GObjectClass *gobject_class = (GObjectClass *) klass;
  GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
  GstVideoAggregatorClass *videoaggregator_class =
      (GstVideoAggregatorClass *) klass;
  GstAggregatorClass *agg_class = (GstAggregatorClass *) klass;
  GstGLBaseMixerClass *base_mix_class = (GstGLBaseMixerClass *) klass;

  GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "glstereomixer", 0,
      "opengl stereoscopic mixer");

  gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_gl_stereo_mix_finalize);

  gobject_class->get_property = gst_gl_stereo_mix_get_property;
  gobject_class->set_property = gst_gl_stereo_mix_set_property;

  gst_element_class_set_metadata (element_class, "OpenGL stereo video combiner",
      "Filter/Effect/Video", "OpenGL stereo video combiner",
      "Jan Schmidt <*****@*****.**>");

  g_object_class_install_property (gobject_class, PROP_DOWNMIX_MODE,
      g_param_spec_enum ("downmix-mode", "Mode for mono downmixed output",
          "Output anaglyph type to generate when downmixing to mono",
          GST_TYPE_GL_STEREO_DOWNMIX, DEFAULT_DOWNMIX,
          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));

  gst_element_class_add_static_pad_template_with_gtype (element_class,
      &src_factory, GST_TYPE_AGGREGATOR_PAD);
  gst_element_class_add_static_pad_template_with_gtype (element_class,
      &sink_factory, GST_TYPE_GL_STEREO_MIX_PAD);

  element_class->request_new_pad =
      GST_DEBUG_FUNCPTR (gst_gl_stereo_mix_request_new_pad);
  element_class->release_pad =
      GST_DEBUG_FUNCPTR (gst_gl_stereo_mix_release_pad);

  agg_class->stop = gst_gl_stereo_mix_stop;
  agg_class->start = gst_gl_stereo_mix_start;
  agg_class->src_query = gst_gl_stereo_mix_src_query;
  agg_class->negotiated_src_caps = _negotiated_caps;

  videoaggregator_class->aggregate_frames = gst_gl_stereo_mix_aggregate_frames;
  videoaggregator_class->update_caps = _update_caps;
  videoaggregator_class->create_output_buffer =
      gst_gl_stereo_mix_create_output_buffer;

  base_mix_class->supported_gl_api =
      GST_GL_API_GLES2 | GST_GL_API_OPENGL | GST_GL_API_OPENGL3;
}

예제 #2

파일: gstaudiomixer.c 프로젝트: thaytan/gst-plugins-base

static void
gst_audiomixer_class_init (GstAudioMixerClass * klass)
{
  GstElementClass *gstelement_class = (GstElementClass *) klass;
  GstAudioAggregatorClass *aagg_class = (GstAudioAggregatorClass *) klass;

  gst_element_class_add_static_pad_template_with_gtype (gstelement_class,
      &gst_audiomixer_src_template, GST_TYPE_AUDIO_AGGREGATOR_CONVERT_PAD);
  gst_element_class_add_static_pad_template_with_gtype (gstelement_class,
      &gst_audiomixer_sink_template, GST_TYPE_AUDIO_MIXER_PAD);
  gst_element_class_set_static_metadata (gstelement_class, "AudioMixer",
      "Generic/Audio", "Mixes multiple audio streams",
      "Sebastian Dröge <*****@*****.**>");

  gstelement_class->request_new_pad =
      GST_DEBUG_FUNCPTR (gst_audiomixer_request_new_pad);
  gstelement_class->release_pad =
      GST_DEBUG_FUNCPTR (gst_audiomixer_release_pad);

  aagg_class->aggregate_one_buffer = gst_audiomixer_aggregate_one_buffer;
}