コード例 #1
0
ファイル: gstaravis.c プロジェクト: daiemna/SDP_WS14
static void
gst_aravis_init (GstAravis *gst_aravis, GstAravisClass *g_class)
{
	GstPad *pad = GST_BASE_SRC_PAD (gst_aravis);

	gst_pad_set_fixatecaps_function (pad, gst_aravis_fixate_caps);

	gst_base_src_set_live (GST_BASE_SRC (gst_aravis), TRUE);
	gst_base_src_set_format (GST_BASE_SRC (gst_aravis), GST_FORMAT_TIME);

	gst_aravis->camera_name = NULL;

	gst_aravis->gain = -1;
	gst_aravis->gain_auto = FALSE;
	gst_aravis->exposure_time_us = -1;
	gst_aravis->exposure_auto = FALSE;
	gst_aravis->offset_x = 0;
	gst_aravis->offset_y = 0;
	gst_aravis->h_binning = -1;
	gst_aravis->v_binning = -1;
	gst_aravis->packet_resend = TRUE;
	gst_aravis->payload = 0;

	gst_aravis->buffer_timeout_us = GST_ARAVIS_BUFFER_TIMEOUT_DEFAULT;

	gst_aravis->camera = NULL;
	gst_aravis->stream = NULL;

	gst_aravis->all_caps = NULL;
	gst_aravis->fixed_caps = NULL;
}
コード例 #2
0
ファイル: gstaudiotestsrc.c プロジェクト: fluffware/subrec
static void
gst_audio_test_src_init (GstAudioTestSrc * src, GstAudioTestSrcClass * g_class)
{
  GstPad *pad = GST_BASE_SRC_PAD (src);

  gst_pad_set_fixatecaps_function (pad, gst_audio_test_src_src_fixate);

  src->samplerate = 44100;
  src->format = GST_AUDIO_TEST_SRC_FORMAT_NONE;

  src->volume = DEFAULT_VOLUME;
  src->freq = DEFAULT_FREQ;

  /* we operate in time */
  gst_base_src_set_format (GST_BASE_SRC (src), GST_FORMAT_TIME);
  gst_base_src_set_live (GST_BASE_SRC (src), DEFAULT_IS_LIVE);

  src->samples_per_buffer = DEFAULT_SAMPLES_PER_BUFFER;
  src->generate_samples_per_buffer = src->samples_per_buffer;
  src->timestamp_offset = DEFAULT_TIMESTAMP_OFFSET;
  src->can_activate_pull = DEFAULT_CAN_ACTIVATE_PULL;

  src->gen = NULL;

  src->wave = DEFAULT_WAVE;
  gst_base_src_set_blocksize (GST_BASE_SRC (src), -1);
}
コード例 #3
0
ファイル: gstautoconvert.c プロジェクト: spunktsch/svtplayer
static void
gst_auto_convert_dispose (GObject * object)
{
  GstAutoConvert *autoconvert = GST_AUTO_CONVERT (object);

  gst_pad_set_fixatecaps_function (autoconvert->sinkpad, NULL);

  GST_AUTOCONVERT_LOCK (autoconvert);
  if (autoconvert->current_subelement) {
    gst_object_unref (autoconvert->current_subelement);
    autoconvert->current_subelement = NULL;
    autoconvert->current_internal_sinkpad = NULL;
    autoconvert->current_internal_srcpad = NULL;
  }

  g_list_foreach (autoconvert->cached_events, (GFunc) gst_mini_object_unref,
      NULL);
  g_list_free (autoconvert->cached_events);
  autoconvert->cached_events = NULL;

  if (autoconvert->factories) {
    gst_plugin_feature_list_free (autoconvert->factories);
    autoconvert->factories = NULL;
  }
  GST_AUTOCONVERT_UNLOCK (autoconvert);

  G_OBJECT_CLASS (parent_class)->dispose (object);
}
コード例 #4
0
ファイル: gstghostpad.c プロジェクト: WangCrystal/gstreamer
static void
gst_proxy_pad_init (GstProxyPad * ppad)
{
  GstPad *pad = (GstPad *) ppad;

  GST_PROXY_PAD_PRIVATE (ppad) = G_TYPE_INSTANCE_GET_PRIVATE (ppad,
      GST_TYPE_PROXY_PAD, GstProxyPadPrivate);
  GST_PROXY_GET_LOCK (pad) = g_mutex_new ();

  gst_pad_set_query_type_function (pad,
      GST_DEBUG_FUNCPTR (gst_proxy_pad_do_query_type));
  gst_pad_set_event_function (pad, GST_DEBUG_FUNCPTR (gst_proxy_pad_do_event));
  gst_pad_set_query_function (pad, GST_DEBUG_FUNCPTR (gst_proxy_pad_do_query));
  gst_pad_set_internal_link_function (pad,
      GST_DEBUG_FUNCPTR (gst_proxy_pad_do_internal_link));
  gst_pad_set_iterate_internal_links_function (pad,
      GST_DEBUG_FUNCPTR (gst_proxy_pad_do_iterate_internal_links));

  gst_pad_set_getcaps_function (pad,
      GST_DEBUG_FUNCPTR (gst_proxy_pad_do_getcaps));
  gst_pad_set_acceptcaps_function (pad,
      GST_DEBUG_FUNCPTR (gst_proxy_pad_do_acceptcaps));
  gst_pad_set_fixatecaps_function (pad,
      GST_DEBUG_FUNCPTR (gst_proxy_pad_do_fixatecaps));
  gst_pad_set_setcaps_function (pad,
      GST_DEBUG_FUNCPTR (gst_proxy_pad_do_setcaps));
}
コード例 #5
0
static void
gst_video_test_src_init (GstVideoTestSrc * src, GstVideoTestSrcClass * g_class)
{
  GstPad *pad = GST_BASE_SRC_PAD (src);

  gst_pad_set_fixatecaps_function (pad, gst_video_test_src_src_fixate);

  gst_video_test_src_set_pattern (src, GST_VIDEO_TEST_SRC_SMPTE);

  src->timestamp_offset = 0;

  /* we operate in time */
  gst_base_src_set_format (GST_BASE_SRC (src), GST_FORMAT_TIME);
  gst_base_src_set_live (GST_BASE_SRC (src), FALSE);
}
コード例 #6
0
ファイル: gstvideotestsrc.c プロジェクト: zsx/ossbuild
static void
gst_video_test_src_init (GstVideoTestSrc * src, GstVideoTestSrcClass * g_class)
{
  GstPad *pad = GST_BASE_SRC_PAD (src);

  gst_pad_set_fixatecaps_function (pad, gst_video_test_src_src_fixate);

  gst_video_test_src_set_pattern (src, DEFAULT_PATTERN);

  src->timestamp_offset = DEFAULT_TIMESTAMP_OFFSET;

  /* we operate in time */
  gst_base_src_set_format (GST_BASE_SRC (src), GST_FORMAT_TIME);
  gst_base_src_set_live (GST_BASE_SRC (src), DEFAULT_IS_LIVE);
  src->peer_alloc = DEFAULT_PEER_ALLOC;
}
コード例 #7
0
ファイル: gstdc1394.c プロジェクト: asrashley/gst-plugins-bad
static void
gst_dc1394_init (GstDc1394 * src, GstDc1394Class * g_class)
{

    src->segment_start_frame = -1;
    src->segment_end_frame = -1;
    src->timestamp_offset = 0;
    src->caps = gst_dc1394_get_all_dc1394_caps ();
    src->bufsize = 10;
    src->iso_speed = 400;
    src->camnum = 0;
    src->n_frames = 0;

    gst_pad_set_fixatecaps_function (GST_BASE_SRC_PAD (src),
                                     gst_dc1394_src_fixate);

    gst_base_src_set_live (GST_BASE_SRC (src), TRUE);
}
コード例 #8
0
GstPad *
gst_vf_src_pad_new (GstStaticPadTemplate * pad_template, const char *name)
{
  GST_DEBUG_CATEGORY_INIT (droidvfsrc_debug, "droidvfsrc", 0,
      "Android camera viewfinder source pad");

  GstPad *pad = gst_pad_new_from_static_template (pad_template, name);

  gst_pad_set_activatepush_function (pad, gst_droid_cam_src_vfsrc_activatepush);
  gst_pad_set_setcaps_function (pad, gst_droid_cam_src_vfsrc_setcaps);
  gst_pad_set_getcaps_function (pad, gst_droid_cam_src_vfsrc_getcaps);
  gst_pad_set_query_type_function (pad, gst_droid_cam_src_vfsrc_query_type);
  gst_pad_set_query_function (pad, gst_droid_cam_src_vfsrc_query);
  gst_pad_set_fixatecaps_function (pad, gst_droid_cam_src_vfsrc_fixatecaps);

  /* TODO: Do we need an event handler via gst_pad_set_event_function() ? */
  return pad;
}
コード例 #9
0
ファイル: gstaasink.c プロジェクト: ChinnaSuhas/ossbuild
static void
gst_aasink_init (GstAASink * aasink)
{
  GstPad *pad;

  pad = GST_BASE_SINK_PAD (aasink);
  gst_pad_set_fixatecaps_function (pad, gst_aasink_fixate);

  memcpy (&aasink->ascii_surf, &aa_defparams,
      sizeof (struct aa_hardware_params));
  aasink->ascii_parms.bright = 0;
  aasink->ascii_parms.contrast = 16;
  aasink->ascii_parms.gamma = 1.0;
  aasink->ascii_parms.dither = 0;
  aasink->ascii_parms.inversion = 0;
  aasink->ascii_parms.randomval = 0;
  aasink->aa_driver = 0;

  aasink->width = -1;
  aasink->height = -1;

}
コード例 #10
0
static void
gst_gdiscreencapsrc_init (GstGDIScreenCapSrc * src,
    GstGDIScreenCapSrcClass * klass)
{
  /* Set src element inital values... */
  GstPad *src_pad = GST_BASE_SRC_PAD (src);
  gst_pad_set_fixatecaps_function (src_pad, gst_gdiscreencapsrc_fixate);

  src->frames = 0;
  src->dibMem = NULL;
  src->hBitmap = (HBITMAP) INVALID_HANDLE_VALUE;
  src->memDC = (HDC) INVALID_HANDLE_VALUE;
  src->capture_x = 0;
  src->capture_y = 0;
  src->capture_w = 0;
  src->capture_h = 0;

  src->monitor = 0;
  src->show_cursor = FALSE;

  gst_base_src_set_format (GST_BASE_SRC (src), GST_FORMAT_TIME);
  gst_base_src_set_live (GST_BASE_SRC (src), TRUE);
}
コード例 #11
0
static void
gst_proxy_pad_init (GstProxyPad * ppad)
{
  GstPad *pad = (GstPad *) ppad;

  ppad->proxy_lock = g_mutex_new ();

  gst_pad_set_query_type_function (pad,
      GST_DEBUG_FUNCPTR (gst_proxy_pad_do_query_type));
  gst_pad_set_event_function (pad, GST_DEBUG_FUNCPTR (gst_proxy_pad_do_event));
  gst_pad_set_query_function (pad, GST_DEBUG_FUNCPTR (gst_proxy_pad_do_query));
  gst_pad_set_internal_link_function (pad,
      GST_DEBUG_FUNCPTR (gst_proxy_pad_do_internal_link));

  gst_pad_set_getcaps_function (pad,
      GST_DEBUG_FUNCPTR (gst_proxy_pad_do_getcaps));
  gst_pad_set_acceptcaps_function (pad,
      GST_DEBUG_FUNCPTR (gst_proxy_pad_do_acceptcaps));
  gst_pad_set_fixatecaps_function (pad,
      GST_DEBUG_FUNCPTR (gst_proxy_pad_do_fixatecaps));
  gst_pad_set_setcaps_function (pad,
      GST_DEBUG_FUNCPTR (gst_proxy_pad_do_setcaps));
}
コード例 #12
0
static void
gst_decklink_src_init (GstDecklinkSrc * decklinksrc,
                       GstDecklinkSrcClass * decklinksrc_class)
{
    g_static_rec_mutex_init (&decklinksrc->task_mutex);
    decklinksrc->task = gst_task_create (gst_decklink_src_task, decklinksrc);
    gst_task_set_lock (decklinksrc->task, &decklinksrc->task_mutex);

    decklinksrc->audiosrcpad =
        gst_pad_new_from_static_template (&gst_decklink_src_audio_src_template,
                                          "audiosrc");
    gst_pad_set_getcaps_function (decklinksrc->audiosrcpad,
                                  GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_getcaps));
    gst_pad_set_setcaps_function (decklinksrc->audiosrcpad,
                                  GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_setcaps));
    gst_pad_set_acceptcaps_function (decklinksrc->audiosrcpad,
                                     GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_acceptcaps));
    gst_pad_set_fixatecaps_function (decklinksrc->audiosrcpad,
                                     GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_fixatecaps));
    gst_pad_set_activate_function (decklinksrc->audiosrcpad,
                                   GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_activate));
    gst_pad_set_activatepush_function (decklinksrc->audiosrcpad,
                                       GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_activatepush));
    gst_pad_set_activatepull_function (decklinksrc->audiosrcpad,
                                       GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_activatepull));
    gst_pad_set_link_function (decklinksrc->audiosrcpad,
                               GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_link));
    gst_pad_set_getrange_function (decklinksrc->audiosrcpad,
                                   GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_getrange));
    gst_pad_set_event_function (decklinksrc->audiosrcpad,
                                GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_event));
    gst_pad_set_query_function (decklinksrc->audiosrcpad,
                                GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_query));
    gst_pad_set_iterate_internal_links_function (decklinksrc->audiosrcpad,
            GST_DEBUG_FUNCPTR (gst_decklink_src_audio_src_iterintlink));
    gst_element_add_pad (GST_ELEMENT (decklinksrc), decklinksrc->audiosrcpad);



    decklinksrc->videosrcpad =
        gst_pad_new_from_template (gst_element_class_get_pad_template
                                   (GST_ELEMENT_CLASS (decklinksrc_class), "videosrc"), "videosrc");
    gst_pad_set_getcaps_function (decklinksrc->videosrcpad,
                                  GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_getcaps));
    gst_pad_set_setcaps_function (decklinksrc->videosrcpad,
                                  GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_setcaps));
    gst_pad_set_acceptcaps_function (decklinksrc->videosrcpad,
                                     GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_acceptcaps));
    gst_pad_set_fixatecaps_function (decklinksrc->videosrcpad,
                                     GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_fixatecaps));
    gst_pad_set_activate_function (decklinksrc->videosrcpad,
                                   GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_activate));
    gst_pad_set_activatepush_function (decklinksrc->videosrcpad,
                                       GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_activatepush));
    gst_pad_set_activatepull_function (decklinksrc->videosrcpad,
                                       GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_activatepull));
    gst_pad_set_link_function (decklinksrc->videosrcpad,
                               GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_link));
    gst_pad_set_getrange_function (decklinksrc->videosrcpad,
                                   GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_getrange));
    gst_pad_set_event_function (decklinksrc->videosrcpad,
                                GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_event));
    gst_pad_set_query_function (decklinksrc->videosrcpad,
                                GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_query));
    gst_pad_set_iterate_internal_links_function (decklinksrc->videosrcpad,
            GST_DEBUG_FUNCPTR (gst_decklink_src_video_src_iterintlink));
    gst_element_add_pad (GST_ELEMENT (decklinksrc), decklinksrc->videosrcpad);


    decklinksrc->cond = g_cond_new ();
    decklinksrc->mutex = g_mutex_new ();

    decklinksrc->copy_data = TRUE;
    decklinksrc->mode = GST_DECKLINK_MODE_NTSC;
    decklinksrc->connection = GST_DECKLINK_CONNECTION_SDI;
    decklinksrc->audio_connection = GST_DECKLINK_AUDIO_CONNECTION_AUTO;
    decklinksrc->subdevice = 0;

    decklinksrc->stop = FALSE;
    decklinksrc->dropped_frames = 0;
    decklinksrc->dropped_frames_old = 0;
    decklinksrc->frame_num = -1; /* -1 so will be 0 after incrementing */

#ifdef _MSC_VER
    decklinksrc->com_init_lock = g_mutex_new();
    decklinksrc->com_deinit_lock = g_mutex_new();
    decklinksrc->com_initialized = g_cond_new();
    decklinksrc->com_uninitialize = g_cond_new();
    decklinksrc->com_uninitialized = g_cond_new();

    g_mutex_lock (decklinksrc->com_init_lock);

    /* create the COM initialization thread */
    g_thread_create ((GThreadFunc)gst_decklink_src_com_thread,
                     decklinksrc, FALSE, NULL);

    /* wait until the COM thread signals that COM has been initialized */
    g_cond_wait (decklinksrc->com_initialized, decklinksrc->com_init_lock);
    g_mutex_unlock (decklinksrc->com_init_lock);
#endif /* _MSC_VER */
}
コード例 #13
0
ファイル: gstautoconvert.c プロジェクト: spunktsch/svtplayer
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;
}