C++ GST_ELEMENT_GET_CLASS函数代码示例

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本文整理汇总了C++中GST_ELEMENT_GET_CLASS函数的典型用法代码示例。如果您正苦于以下问题：C++ GST_ELEMENT_GET_CLASS函数的具体用法？C++ GST_ELEMENT_GET_CLASS怎么用？C++ GST_ELEMENT_GET_CLASS使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了GST_ELEMENT_GET_CLASS函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: gst_unaligned_audio_parse_init

static void
gst_unaligned_audio_parse_init (GstUnalignedAudioParse * unaligned_audio_parse)
{
  GstPad *inner_pad;
  GstPad *ghostpad;

  unaligned_audio_parse->inner_parser =
      gst_element_factory_make ("rawaudioparse", "inner_parser");
  g_assert (unaligned_audio_parse->inner_parser != NULL);

  g_object_set (G_OBJECT (unaligned_audio_parse->inner_parser),
      "use-sink-caps", TRUE, NULL);

  gst_bin_add (GST_BIN (unaligned_audio_parse),
      unaligned_audio_parse->inner_parser);

  inner_pad =
      gst_element_get_static_pad (unaligned_audio_parse->inner_parser, "sink");
  ghostpad =
      gst_ghost_pad_new_from_template ("sink", inner_pad,
      gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS
          (unaligned_audio_parse), "sink"));
  gst_element_add_pad (GST_ELEMENT (unaligned_audio_parse), ghostpad);
  gst_object_unref (GST_OBJECT (inner_pad));

  inner_pad = gst_element_get_static_pad (unaligned_audio_parse->inner_parser,
      "src");
  ghostpad =
      gst_ghost_pad_new_from_template ("src", inner_pad,
      gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS
          (unaligned_audio_parse), "src"));
  gst_element_add_pad (GST_ELEMENT (unaligned_audio_parse), ghostpad);
  gst_object_unref (GST_OBJECT (inner_pad));
}

开发者ID:luisbg，项目名称:gst-plugins-bad，代码行数:34，代码来源:gstunalignedaudioparse.c

示例2: gst_video_parse_init

static void
gst_video_parse_init (GstVideoParse * vp)
{
  GstPad *inner_pad;
  GstPad *ghostpad;

  vp->rawvideoparse =
      gst_element_factory_make ("rawvideoparse", "inner_rawvideoparse");
  g_assert (vp->rawvideoparse != NULL);

  gst_bin_add (GST_BIN (vp), vp->rawvideoparse);

  inner_pad = gst_element_get_static_pad (vp->rawvideoparse, "sink");
  ghostpad =
      gst_ghost_pad_new_from_template ("sink", inner_pad,
      gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS (vp), "sink"));
  gst_element_add_pad (GST_ELEMENT (vp), ghostpad);
  gst_object_unref (GST_OBJECT (inner_pad));

  inner_pad = gst_element_get_static_pad (vp->rawvideoparse, "src");
  ghostpad =
      gst_ghost_pad_new_from_template ("src", inner_pad,
      gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS (vp), "src"));
  gst_element_add_pad (GST_ELEMENT (vp), ghostpad);
  gst_object_unref (GST_OBJECT (inner_pad));
}

开发者ID:GrokImageCompression，项目名称:gst-plugins-bad，代码行数:26，代码来源:gstvideoparse.c

示例3: kms_recording_profile_create_ksr_profile

static GstEncodingContainerProfile *
kms_recording_profile_create_ksr_profile (gboolean has_audio,
    gboolean has_video)
{
  GstEncodingContainerProfile *cprof;
  GstPadTemplate *templ;
  GstElement *mux;
  GstCaps *pc;

  pc = gst_caps_from_string ("application/x-ksr");
  cprof = gst_encoding_container_profile_new ("Ksr", NULL, pc, NULL);
  gst_caps_unref (pc);

  /* Use matroska caps to define this profile */
  mux = gst_element_factory_make ("matroskamux", NULL);

  if (has_audio) {
    GstCaps *ac;

    templ =
        gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS (mux),
        "audio_%u");
    ac = gst_pad_template_get_caps (templ);

    gst_encoding_container_profile_add_profile (cprof, (GstEncodingProfile *)
        gst_encoding_audio_profile_new (ac, NULL, NULL, 0));

    gst_caps_unref (ac);
  }

  if (has_video) {
    GstCaps *vc;

    templ =
        gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS (mux),
        "video_%u");
    vc = gst_pad_template_get_caps (templ);

    gst_encoding_container_profile_add_profile (cprof, (GstEncodingProfile *)
        gst_encoding_video_profile_new (vc, NULL, NULL, 0));

    gst_caps_unref (vc);
  }

  g_object_unref (mux);

  return cprof;
}

开发者ID:kirushyk，项目名称:kms-core，代码行数:48，代码来源:kmsrecordingprofile.c

示例4: gst_osx_video_src_get_caps

static GstCaps *
gst_osx_video_src_get_caps (GstBaseSrc * src)
{
  GstElementClass *gstelement_class;
  GstOSXVideoSrc *self;
  GstPadTemplate *pad_template;
  GstCaps *caps;
  GstStructure *structure;
  gint width, height;

  gstelement_class = GST_ELEMENT_GET_CLASS (src);
  self = GST_OSX_VIDEO_SRC (src);

  /* if we don't have the resolution set up, return template caps */
  if (!self->world)
    return NULL;

  pad_template = gst_element_class_get_pad_template (gstelement_class, "src");
  /* i don't think this can actually fail... */
  if (!pad_template)
    return NULL;

  width = self->rect.right;
  height = self->rect.bottom;

  caps = gst_caps_copy (gst_pad_template_get_caps (pad_template));

  structure = gst_caps_get_structure (caps, 0);
  gst_structure_set (structure, "width", G_TYPE_INT, width, NULL);
  gst_structure_set (structure, "height", G_TYPE_INT, height, NULL);

  return caps;
}

开发者ID:ChinnaSuhas，项目名称:ossbuild，代码行数:33，代码来源:osxvideosrc.c

示例5: gst_rtp_rtx_receive_init

static void
gst_rtp_rtx_receive_init (GstRtpRtxReceive * rtx)
{
  GstElementClass *klass = GST_ELEMENT_GET_CLASS (rtx);

  rtx->srcpad =
      gst_pad_new_from_template (gst_element_class_get_pad_template (klass,
          "src"), "src");
  GST_PAD_SET_PROXY_CAPS (rtx->srcpad);
  GST_PAD_SET_PROXY_ALLOCATION (rtx->srcpad);
  gst_pad_set_event_function (rtx->srcpad,
      GST_DEBUG_FUNCPTR (gst_rtp_rtx_receive_src_event));
  gst_element_add_pad (GST_ELEMENT (rtx), rtx->srcpad);

  rtx->sinkpad =
      gst_pad_new_from_template (gst_element_class_get_pad_template (klass,
          "sink"), "sink");
  GST_PAD_SET_PROXY_CAPS (rtx->sinkpad);
  GST_PAD_SET_PROXY_ALLOCATION (rtx->sinkpad);
  gst_pad_set_chain_function (rtx->sinkpad,
      GST_DEBUG_FUNCPTR (gst_rtp_rtx_receive_chain));
  gst_element_add_pad (GST_ELEMENT (rtx), rtx->sinkpad);

  rtx->ssrc2_ssrc1_map = g_hash_table_new (g_direct_hash, g_direct_equal);
  rtx->seqnum_ssrc1_map = g_hash_table_new_full (g_direct_hash, g_direct_equal,
      NULL, (GDestroyNotify) ssrc_assoc_free);

  rtx->rtx_pt_map = g_hash_table_new (g_direct_hash, g_direct_equal);
}

开发者ID:hizukiayaka，项目名称:gst-plugins-good，代码行数:29，代码来源:gstrtprtxreceive.c

示例6: gst_rtp_ssrc_demux_init

static void
gst_rtp_ssrc_demux_init (GstRtpSsrcDemux * demux)
{
    GstElementClass *klass = GST_ELEMENT_GET_CLASS (demux);

    demux->rtp_sink =
        gst_pad_new_from_template (gst_element_class_get_pad_template (klass,
                                   "sink"), "sink");
    gst_pad_set_chain_function (demux->rtp_sink, gst_rtp_ssrc_demux_chain);
    gst_pad_set_event_function (demux->rtp_sink, gst_rtp_ssrc_demux_sink_event);
    gst_pad_set_iterate_internal_links_function (demux->rtp_sink,
            gst_rtp_ssrc_demux_iterate_internal_links_sink);
    gst_element_add_pad (GST_ELEMENT_CAST (demux), demux->rtp_sink);

    demux->rtcp_sink =
        gst_pad_new_from_template (gst_element_class_get_pad_template (klass,
                                   "rtcp_sink"), "rtcp_sink");
    gst_pad_set_chain_function (demux->rtcp_sink, gst_rtp_ssrc_demux_rtcp_chain);
    gst_pad_set_event_function (demux->rtcp_sink, gst_rtp_ssrc_demux_sink_event);
    gst_pad_set_iterate_internal_links_function (demux->rtcp_sink,
            gst_rtp_ssrc_demux_iterate_internal_links_sink);
    gst_element_add_pad (GST_ELEMENT_CAST (demux), demux->rtcp_sink);

    g_rec_mutex_init (&demux->padlock);
}

开发者ID:DylanZA，项目名称:gst-plugins-good，代码行数:25，代码来源:gstrtpssrcdemux.c

示例7: gst_wildmidi_init

/* initialize the new element
 * instantiate pads and add them to element
 * set functions
 * initialize structure
 */
static void
gst_wildmidi_init (GstWildmidi * filter, GstWildmidiClass * g_class)
{
  GstElementClass *klass = GST_ELEMENT_GET_CLASS (filter);

  filter->sinkpad =
      gst_pad_new_from_template (gst_element_class_get_pad_template (klass,
          "sink"), "sink");

  gst_pad_set_activatepull_function (filter->sinkpad,
      gst_wildmidi_activatepull);
  gst_pad_set_activate_function (filter->sinkpad, gst_wildmidi_activate);
  gst_pad_set_event_function (filter->sinkpad, gst_wildmidi_sink_event);
  gst_pad_set_chain_function (filter->sinkpad, gst_wildmidi_chain);
  gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);

  filter->srcpad =
      gst_pad_new_from_template (gst_element_class_get_pad_template (klass,
          "src"), "src");

  gst_pad_set_query_function (filter->srcpad, gst_wildmidi_src_query);
  gst_pad_set_event_function (filter->srcpad, gst_wildmidi_src_event);
  gst_pad_use_fixed_caps (filter->srcpad);

  gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);

  gst_segment_init (filter->o_segment, GST_FORMAT_DEFAULT);

  filter->adapter = gst_adapter_new ();

  filter->bytes_per_frame = WILDMIDI_BPS;
}

开发者ID:zsx，项目名称:ossbuild，代码行数:37，代码来源:gstwildmidi.c

示例8: gst_rtp_ssrc_demux_init

static void
gst_rtp_ssrc_demux_init (GstRtpSsrcDemux * demux,
    GstRtpSsrcDemuxClass * g_class)
{
  GstElementClass *klass = GST_ELEMENT_GET_CLASS (demux);

  demux->rtp_sink =
      gst_pad_new_from_template (gst_element_class_get_pad_template (klass,
          "sink"), "sink");
  gst_pad_set_chain_function (demux->rtp_sink, gst_rtp_ssrc_demux_chain);
  gst_pad_set_event_function (demux->rtp_sink, gst_rtp_ssrc_demux_sink_event);
  gst_element_add_pad (GST_ELEMENT_CAST (demux), demux->rtp_sink);

  demux->rtcp_sink =
      gst_pad_new_from_template (gst_element_class_get_pad_template (klass,
          "rtcp_sink"), "rtcp_sink");
  gst_pad_set_chain_function (demux->rtcp_sink, gst_rtp_ssrc_demux_rtcp_chain);
  gst_pad_set_event_function (demux->rtcp_sink,
      gst_rtp_ssrc_demux_rtcp_sink_event);
  gst_element_add_pad (GST_ELEMENT_CAST (demux), demux->rtcp_sink);

  demux->padlock = g_mutex_new ();

  gst_segment_init (&demux->segment, GST_FORMAT_UNDEFINED);
}

开发者ID:mrchapp，项目名称:gst-plugins-good，代码行数:25，代码来源:gstrtpssrcdemux.c

示例9: mfw_gst_vpuenc_init

static void
mfw_gst_vpuenc_init(GstVPU_Enc * vpu_enc, GstVPU_EncClass * gclass)
{
	GST_DEBUG("mfw_gst_vpuenc_init");

	GstElementClass *klass = GST_ELEMENT_GET_CLASS(vpu_enc);

	/* create the sink and src pads */
	vpu_enc->sinkpad =
	    gst_pad_new_from_template(gst_element_class_get_pad_template
				      (klass, "sink"), "sink");
	vpu_enc->srcpad =
	    gst_pad_new_from_template(gst_element_class_get_pad_template
				      (klass, "src"), "src");
	gst_element_add_pad(GST_ELEMENT(vpu_enc), vpu_enc->sinkpad);
	gst_element_add_pad(GST_ELEMENT(vpu_enc), vpu_enc->srcpad);
	vpu_enc->parent_class = g_type_class_peek_parent(gclass);
	gst_pad_set_chain_function(vpu_enc->sinkpad, mfw_gst_vpuenc_chain);
	gst_pad_set_event_function(vpu_enc->sinkpad,
				   GST_DEBUG_FUNCPTR
				   (mfw_gst_vpuenc_sink_event));

	gst_pad_set_setcaps_function(vpu_enc->sinkpad, mfw_gst_vpuenc_setcaps);

	vpu_enc->codec = STD_AVC;
	vpu_enc->device = g_strdup(VPU_DEVICE);
	vpu_enc->framerate = DEFAULT_FRAME_RATE;
	vpu_enc->bitrate = 0;
	vpu_enc->gopsize = 0;
	vpu_enc->codecTypeProvided = FALSE;
	vpu_enc->memory = V4L2_MEMORY_USERPTR;
	vpu_enc->mjpeg_quality = 50;
}

开发者ID:jmartinc，项目名称:gst-plugins-fsl-vpu，代码行数:33，代码来源:mfw_gst_vpu_encoder.c

示例10: gst_alsasink_getcaps

static GstCaps *
gst_alsasink_getcaps (GstBaseSink * bsink)
{
    GstElementClass *element_class;
    GstPadTemplate *pad_template;
    GstAlsaSink *sink = GST_ALSA_SINK (bsink);
    GstCaps *caps;

    if (sink->handle == NULL) {
        GST_DEBUG_OBJECT (sink, "device not open, using template caps");
        return NULL;                /* base class will get template caps for us */
    }

    if (sink->cached_caps) {
        GST_LOG_OBJECT (sink, "Returning cached caps");
        return gst_caps_ref (sink->cached_caps);
    }

    element_class = GST_ELEMENT_GET_CLASS (sink);
    pad_template = gst_element_class_get_pad_template (element_class, "sink");
    g_return_val_if_fail (pad_template != NULL, NULL);

    caps = gst_alsa_probe_supported_formats (GST_OBJECT (sink), sink->device,
            sink->handle, gst_pad_template_get_caps (pad_template));

    if (caps) {
        sink->cached_caps = gst_caps_ref (caps);
    }

    GST_INFO_OBJECT (sink, "returning caps %" GST_PTR_FORMAT, caps);

    return caps;
}

开发者ID:pli3，项目名称:gst-plugins-base，代码行数:33，代码来源:gstalsasink.c

示例11: gst_rdt_manager_request_new_pad

static GstPad *
gst_rdt_manager_request_new_pad (GstElement * element,
    GstPadTemplate * templ, const gchar * name, const GstCaps * caps)
{
  GstRDTManager *rdtmanager;
  GstElementClass *klass;
  GstPad *result;

  g_return_val_if_fail (templ != NULL, NULL);
  g_return_val_if_fail (GST_IS_RDT_MANAGER (element), NULL);

  rdtmanager = GST_RDT_MANAGER (element);
  klass = GST_ELEMENT_GET_CLASS (element);

  /* figure out the template */
  if (templ == gst_element_class_get_pad_template (klass, "recv_rtp_sink_%u")) {
    result = create_recv_rtp (rdtmanager, templ, name);
  } else if (templ == gst_element_class_get_pad_template (klass,
          "recv_rtcp_sink_%u")) {
    result = create_recv_rtcp (rdtmanager, templ, name);
  } else if (templ == gst_element_class_get_pad_template (klass, "rtcp_src_%u")) {
    result = create_rtcp (rdtmanager, templ, name);
  } else
    goto wrong_template;

  return result;

  /* ERRORS */
wrong_template:
  {
    g_warning ("rdtmanager: this is not our template");
    return NULL;
  }
}

开发者ID:lubing521，项目名称:gst-embedded-builder，代码行数:34，代码来源:rdtmanager.c

示例12: gst_v4lmjpegsink_init

static void
gst_v4lmjpegsink_init (GstV4lMjpegSink * v4lmjpegsink)
{
  GstElementClass *klass = GST_ELEMENT_GET_CLASS (v4lmjpegsink);

  v4lmjpegsink->sinkpad =
      gst_pad_new_from_template (gst_element_class_get_pad_template (klass,
          "sink"), "sink");
  gst_element_add_pad (GST_ELEMENT (v4lmjpegsink), v4lmjpegsink->sinkpad);

  gst_pad_set_chain_function (v4lmjpegsink->sinkpad, gst_v4lmjpegsink_chain);
  gst_pad_set_link_function (v4lmjpegsink->sinkpad,
      gst_v4lmjpegsink_sinkconnect);

  v4lmjpegsink->clock = NULL;

  v4lmjpegsink->width = -1;
  v4lmjpegsink->height = -1;

  v4lmjpegsink->x_offset = -1;
  v4lmjpegsink->y_offset = -1;

  v4lmjpegsink->numbufs = 64;
  v4lmjpegsink->bufsize = 256;

  GST_OBJECT_FLAG_SET (v4lmjpegsink, GST_ELEMENT_THREAD_SUGGESTED);
}

开发者ID:genesi，项目名称:gst-base-plugins，代码行数:27，代码来源:gstv4lmjpegsink.c

示例13: gst_tta_parse_init

static void
gst_tta_parse_init (GstTtaParse * ttaparse)
{
  GstElementClass *klass = GST_ELEMENT_GET_CLASS (ttaparse);

  ttaparse->sinkpad =
      gst_pad_new_from_template (gst_element_class_get_pad_template (klass,
          "sink"), "sink");

  ttaparse->srcpad =
      gst_pad_new_from_template (gst_element_class_get_pad_template (klass,
          "src"), "src");
  gst_pad_use_fixed_caps (ttaparse->srcpad);
  gst_pad_set_query_type_function (ttaparse->srcpad,
      gst_tta_parse_get_query_types);
  gst_pad_set_query_function (ttaparse->srcpad, gst_tta_parse_query);
  gst_pad_set_event_function (ttaparse->srcpad, gst_tta_parse_src_event);

  gst_element_add_pad (GST_ELEMENT (ttaparse), ttaparse->sinkpad);
  gst_element_add_pad (GST_ELEMENT (ttaparse), ttaparse->srcpad);
  gst_pad_set_activate_function (ttaparse->sinkpad, gst_tta_parse_activate);
  gst_pad_set_activatepull_function (ttaparse->sinkpad,
      gst_tta_parse_activate_pull);

  gst_tta_parse_reset (ttaparse);
}

开发者ID:GrokImageCompression，项目名称:gst-plugins-bad，代码行数:26，代码来源:gstttaparse.c

示例14: gst_fake_h264_decoder_init

static void
gst_fake_h264_decoder_init (GstFakeH264Decoder * self)
{
  GstPad *pad;

  pad =
      gst_pad_new_from_template (gst_element_class_get_pad_template
      (GST_ELEMENT_GET_CLASS (self), "sink"), "sink");
  gst_pad_set_event_function (pad, gst_fake_h264_decoder_sink_event);
  gst_pad_set_chain_function (pad, gst_fake_h264_decoder_sink_chain);
  gst_element_add_pad (GST_ELEMENT (self), pad);

  pad =
      gst_pad_new_from_template (gst_element_class_get_pad_template
      (GST_ELEMENT_GET_CLASS (self), "src"), "src");
  gst_element_add_pad (GST_ELEMENT (self), pad);
}

开发者ID:thaytan，项目名称:gst-plugins-base，代码行数:17，代码来源:decodebin.c

示例15: gst_stream_combiner_request_new_pad

static GstPad *
gst_stream_combiner_request_new_pad (GstElement * element,
    GstPadTemplate * templ, const gchar * name, const GstCaps * caps)
{
  GstStreamCombiner *stream_combiner = (GstStreamCombiner *) element;
  GstStreamCombinerPad *combiner_pad;
  GstPad *sinkpad;
  GstElementClass *klass = GST_ELEMENT_GET_CLASS (element);
  GstPadTemplate *template =

开发者ID:Distrotech，项目名称:gst-plugins-base，代码行数:9，代码来源:gststreamcombiner.c

示例16: gst_dshowaudiodec_init

static void
gst_dshowaudiodec_init (GstDshowAudioDec * adec,
    GstDshowAudioDecClass * adec_class)
{
  GstElementClass *element_class = GST_ELEMENT_GET_CLASS (adec);

  /* setup pads */
  adec->sinkpad =
      gst_pad_new_from_template (gst_element_class_get_pad_template
      (element_class, "sink"), "sink");

  gst_pad_set_setcaps_function (adec->sinkpad, gst_dshowaudiodec_sink_setcaps);
  gst_pad_set_event_function (adec->sinkpad, gst_dshowaudiodec_sink_event);
  gst_pad_set_chain_function (adec->sinkpad, gst_dshowaudiodec_chain);
  gst_element_add_pad (GST_ELEMENT (adec), adec->sinkpad);

  adec->srcpad =
      gst_pad_new_from_template (gst_element_class_get_pad_template
      (element_class, "src"), "src");
  gst_element_add_pad (GST_ELEMENT (adec), adec->srcpad);

  adec->fakesrc = NULL;
  adec->fakesink = NULL;

  adec->decfilter = 0;
  adec->filtergraph = 0;
  adec->mediafilter = 0;

  adec->timestamp = GST_CLOCK_TIME_NONE;
  adec->segment = gst_segment_new ();
  adec->setup = FALSE;
  adec->depth = 0;
  adec->bitrate = 0;
  adec->block_align = 0;
  adec->channels = 0;
  adec->rate = 0;
  adec->layer = 0;
  adec->codec_data = NULL;

  adec->last_ret = GST_FLOW_OK;

  adec->com_init_lock = g_mutex_new();
  adec->com_deinit_lock = g_mutex_new();
  adec->com_initialized = g_cond_new();
  adec->com_uninitialize = g_cond_new();
  adec->com_uninitialized = g_cond_new();

  g_mutex_lock (adec->com_init_lock);

  /* create the COM initialization thread */
  g_thread_create ((GThreadFunc)gst_dshowaudiodec_com_thread,
      adec, FALSE, NULL);

  /* wait until the COM thread signals that COM has been initialized */
  g_cond_wait (adec->com_initialized, adec->com_init_lock);
  g_mutex_unlock (adec->com_init_lock);
}

开发者ID:Lachann，项目名称:gst-plugins-bad，代码行数:57，代码来源:gstdshowaudiodec.cpp

示例17: gst_fake_h264_parser_init

static void
gst_fake_h264_parser_init (GstFakeH264Parser * self,
    GstFakeH264ParserClass * klass)
{
  GstPad *pad;

  pad =
      gst_pad_new_from_template (gst_element_class_get_pad_template
      (GST_ELEMENT_GET_CLASS (self), "sink"), "sink");
  gst_pad_set_setcaps_function (pad, gst_fake_h264_parser_sink_setcaps);
  gst_pad_set_chain_function (pad, gst_fake_h264_parser_sink_chain);
  gst_element_add_pad (GST_ELEMENT (self), pad);

  pad =
      gst_pad_new_from_template (gst_element_class_get_pad_template
      (GST_ELEMENT_GET_CLASS (self), "src"), "src");
  gst_element_add_pad (GST_ELEMENT (self), pad);
}

开发者ID:adenexter，项目名称:gst-plugins-base，代码行数:18，代码来源:decodebin2.c

示例18: element_is_valid_filter

static gboolean
element_is_valid_filter (GstElement * element, gboolean * isdynamic)
{
  gboolean havesink = FALSE;
  gboolean havesrc = FALSE;
  gboolean done = FALSE;
  GstIterator *pads;
  GValue item = { 0, };

  if (isdynamic)
    *isdynamic = FALSE;

  pads = gst_element_iterate_pads (element);

  while (!done) {
    switch (gst_iterator_next (pads, &item)) {
      case GST_ITERATOR_OK:
      {
        GstPad *pad = g_value_get_object (&item);

        if (gst_pad_get_direction (pad) == GST_PAD_SRC)
          havesrc = TRUE;
        else if (gst_pad_get_direction (pad) == GST_PAD_SINK)
          havesink = TRUE;

        g_value_reset (&item);
        break;
      }
      case GST_ITERATOR_RESYNC:
        gst_iterator_resync (pads);
        havesrc = FALSE;
        havesink = FALSE;
        break;
      default:
        /* ERROR and DONE */
        done = TRUE;
        break;
    }
  }

  g_value_unset (&item);
  gst_iterator_free (pads);

  /* just look at the element's class, not the factory, since there might
   * not be a factory (in case of python elements) or the factory is the
   * wrong one (in case of a GstBin sub-class) and doesn't have complete
   * information. */
  {
    GList *tmp =
        gst_element_class_get_pad_template_list (GST_ELEMENT_GET_CLASS
        (element));

    while (tmp) {
      GstPadTemplate *template = (GstPadTemplate *) tmp->data;

      if (template->direction == GST_PAD_SRC)

开发者ID:GStreamer，项目名称:gst-editing-services，代码行数:56，代码来源:nleoperation.c

示例19: gst_alsasink_getcaps

static GstCaps *
gst_alsasink_getcaps (GstBaseSink * bsink, GstCaps * filter)
{
  GstElementClass *element_class;
  GstPadTemplate *pad_template;
  GstAlsaSink *sink = GST_ALSA_SINK (bsink);
  GstCaps *caps, *templ_caps;

  if (sink->handle == NULL) {
    GST_DEBUG_OBJECT (sink, "device not open, using template caps");
    return NULL;                /* base class will get template caps for us */
  }

  if (sink->cached_caps) {
    if (filter) {
      caps = gst_caps_intersect_full (filter, sink->cached_caps,
          GST_CAPS_INTERSECT_FIRST);
      GST_LOG_OBJECT (sink, "Returning cached caps %" GST_PTR_FORMAT " with "
          "filter %" GST_PTR_FORMAT " applied: %" GST_PTR_FORMAT,
          sink->cached_caps, filter, caps);
      return caps;
    } else {
      GST_LOG_OBJECT (sink, "Returning cached caps %" GST_PTR_FORMAT,
          sink->cached_caps);
      return gst_caps_ref (sink->cached_caps);
    }
  }

  element_class = GST_ELEMENT_GET_CLASS (sink);
  pad_template = gst_element_class_get_pad_template (element_class, "sink");
  g_return_val_if_fail (pad_template != NULL, NULL);

  templ_caps = gst_pad_template_get_caps (pad_template);
  caps = gst_alsa_probe_supported_formats (GST_OBJECT (sink), sink->device,
      sink->handle, templ_caps);
  gst_caps_unref (templ_caps);

  if (caps) {
    sink->cached_caps = gst_caps_ref (caps);
  }

  GST_INFO_OBJECT (sink, "returning caps %" GST_PTR_FORMAT, caps);

  if (filter) {
    GstCaps *intersection;

    intersection =
        gst_caps_intersect_full (filter, caps, GST_CAPS_INTERSECT_FIRST);
    gst_caps_unref (caps);
    return intersection;
  } else {
    return caps;
  }
}

开发者ID:lubing521，项目名称:gst-embedded-builder，代码行数:54，代码来源:gstalsasink.c

示例20: play_sink_multiple_seeks_send_event

static gboolean
play_sink_multiple_seeks_send_event (GstElement * element, GstEvent * event)
{
  GstElementClass *klass = GST_ELEMENT_GET_CLASS (element);

  GST_DEBUG ("%s", GST_EVENT_TYPE_NAME (event));

  return
      GST_ELEMENT_CLASS (g_type_class_peek_parent (klass))->send_event (element,
      event);
}

开发者ID:freesteph，项目名称:gst-editing-services，代码行数:11，代码来源:ges-timeline-pipeline.c

注：本文中的GST_ELEMENT_GET_CLASS函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ GST_ELEMENT_GET_CLASS函数代码示例

示例1: gst_unaligned_audio_parse_init

示例2: gst_video_parse_init

示例3: kms_recording_profile_create_ksr_profile

示例4: gst_osx_video_src_get_caps

示例5: gst_rtp_rtx_receive_init

示例6: gst_rtp_ssrc_demux_init

示例7: gst_wildmidi_init

示例8: gst_rtp_ssrc_demux_init

示例9: mfw_gst_vpuenc_init

示例10: gst_alsasink_getcaps

示例11: gst_rdt_manager_request_new_pad

示例12: gst_v4lmjpegsink_init

示例13: gst_tta_parse_init

示例14: gst_fake_h264_decoder_init

示例15: gst_stream_combiner_request_new_pad

示例16: gst_dshowaudiodec_init

示例17: gst_fake_h264_parser_init

示例18: element_is_valid_filter

示例19: gst_alsasink_getcaps

示例20: play_sink_multiple_seeks_send_event

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