Esempi in C++ (Cpp) per gst_vtenc_create_session

Esempio n. 1

File: vtenc.c Progetto: dylansong77/gstreamer

static gboolean
gst_vtenc_sink_setcaps (GstPad * pad, GstCaps * caps)
{
  GstVTEnc *self = GST_VTENC_CAST (GST_PAD_PARENT (pad));
  GstStructure *structure;
  VTCompressionSessionRef session;

  GST_OBJECT_LOCK (self);

  structure = gst_caps_get_structure (caps, 0);
  gst_structure_get_int (structure, "width", &self->negotiated_width);
  gst_structure_get_int (structure, "height", &self->negotiated_height);
  gst_structure_get_fraction (structure, "framerate",
      &self->negotiated_fps_n, &self->negotiated_fps_d);

  gst_vtenc_destroy_session (self, &self->session);

  GST_OBJECT_UNLOCK (self);
  session = gst_vtenc_create_session (self);
  GST_OBJECT_LOCK (self);

  self->session = session;

  if (self->options != NULL)
    CFRelease (self->options);
  self->options = CFDictionaryCreateMutable (NULL, 0,
      &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);

  GST_OBJECT_UNLOCK (self);

  return TRUE;
}

Esempio n. 2

File: vtenc.c Progetto: asdlei00/gst-plugins-bad

static gboolean
gst_vtenc_sink_setcaps (GstVTEnc * self, GstCaps * caps)
{
  GstStructure *structure;
  VTCompressionSessionRef session;

  GST_OBJECT_LOCK (self);

  structure = gst_caps_get_structure (caps, 0);
  gst_structure_get_int (structure, "width", &self->negotiated_width);
  gst_structure_get_int (structure, "height", &self->negotiated_height);
  gst_structure_get_fraction (structure, "framerate",
      &self->negotiated_fps_n, &self->negotiated_fps_d);

  if (!gst_video_info_from_caps (&self->video_info, caps))
    return FALSE;

  gst_vtenc_destroy_session (self, &self->session);

  GST_OBJECT_UNLOCK (self);
  session = gst_vtenc_create_session (self);
  GST_OBJECT_LOCK (self);

  self->session = session;

  if (self->options != NULL)
    CFRelease (self->options);
  self->options = CFDictionaryCreateMutable (NULL, 0,
      &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);

  /* renegotiate when upstream caps change */
  gst_pad_mark_reconfigure (self->srcpad);

  GST_OBJECT_UNLOCK (self);

  return TRUE;
}