C++ (Cpp) GST_BASE_VIDEO_DECODER_CLASS Examples

Example #1

File: gstvdph264dec.c Project: ylatuya/gst-plugins-bad

static gboolean
gst_vdp_h264_dec_stop (GstBaseVideoDecoder * base_video_decoder)
{
  GstVdpH264Dec *h264_dec = GST_VDP_H264_DEC (base_video_decoder);

  g_object_unref (h264_dec->parser);
  g_object_unref (h264_dec->dpb);

  return GST_BASE_VIDEO_DECODER_CLASS (parent_class)->stop (base_video_decoder);
}

Example #2

File: gstvdpmpegdec.c Project: shikhars387/gst-plugins-bad

static gboolean
gst_vdp_mpeg_dec_stop (GstBaseVideoDecoder * base_video_decoder)
{
  GstVdpMpegDec *mpeg_dec = GST_VDP_MPEG_DEC (base_video_decoder);

  if (mpeg_dec->vdp_info.forward_reference != VDP_INVALID_HANDLE)
    mpeg_dec->vdp_info.forward_reference = VDP_INVALID_HANDLE;
  if (mpeg_dec->vdp_info.backward_reference != VDP_INVALID_HANDLE)
    mpeg_dec->vdp_info.backward_reference = VDP_INVALID_HANDLE;

  mpeg_dec->state = GST_VDP_MPEG_DEC_STATE_NEED_SEQUENCE;

  return GST_BASE_VIDEO_DECODER_CLASS (parent_class)->stop (base_video_decoder);
}

Example #3

File: gstvdpmpeg4dec.c Project: dylansong77/gstreamer

static gboolean
gst_vdp_mpeg4_dec_start (GstBaseVideoDecoder * base_video_decoder)
{
  GstVdpMpeg4Dec *mpeg4_dec = GST_VDP_MPEG4_DEC (base_video_decoder);

  mpeg4_dec->is_configured = FALSE;
  mpeg4_dec->tframe = -1;

  mpeg4_dec->b_frame = NULL;
  mpeg4_dec->f_frame = NULL;

  return GST_BASE_VIDEO_DECODER_CLASS
      (parent_class)->start (base_video_decoder);
}

Example #4

File: gstvdpmpegdec.c Project: shikhars387/gst-plugins-bad

static gboolean
gst_vdp_mpeg_dec_start (GstBaseVideoDecoder * base_video_decoder)
{
  GstVdpMpegDec *mpeg_dec = GST_VDP_MPEG_DEC (base_video_decoder);

  gst_vdp_mpeg_dec_init_info (&mpeg_dec->vdp_info);

  mpeg_dec->decoder = VDP_INVALID_HANDLE;
  mpeg_dec->state = GST_VDP_MPEG_DEC_STATE_NEED_SEQUENCE;

  memset (&mpeg_dec->stream_info, 0, sizeof (GstVdpMpegStreamInfo));

  return GST_BASE_VIDEO_DECODER_CLASS
      (parent_class)->start (base_video_decoder);
}

Example #5

File: gstvdpmpegdec.c Project: shikhars387/gst-plugins-bad

/* initialize the vdpaumpegdecoder's class */
static void
gst_vdp_mpeg_dec_class_init (GstVdpMpegDecClass * klass)
{
  GstBaseVideoDecoderClass *base_video_decoder_class;

  base_video_decoder_class = GST_BASE_VIDEO_DECODER_CLASS (klass);

  base_video_decoder_class->start = gst_vdp_mpeg_dec_start;
  base_video_decoder_class->stop = gst_vdp_mpeg_dec_stop;
  base_video_decoder_class->flush = gst_vdp_mpeg_dec_flush;

  base_video_decoder_class->scan_for_sync = gst_vdp_mpeg_dec_scan_for_sync;
  base_video_decoder_class->scan_for_packet_end =
      gst_vdp_mpeg_dec_scan_for_packet_end;
  base_video_decoder_class->parse_data = gst_vdp_mpeg_dec_parse_data;

  base_video_decoder_class->handle_frame = gst_vdp_mpeg_dec_handle_frame;
  base_video_decoder_class->create_frame = gst_vdp_mpeg_dec_create_frame;
}

Example #6

File: gstvdph264dec.c Project: ylatuya/gst-plugins-bad

static gboolean
gst_vdp_h264_dec_start (GstBaseVideoDecoder * base_video_decoder)
{
  GstVdpH264Dec *h264_dec = GST_VDP_H264_DEC (base_video_decoder);

  h264_dec->packetized = FALSE;
  h264_dec->nal_length_size = SYNC_CODE_SIZE;

  h264_dec->got_idr = FALSE;
  h264_dec->sequence = NULL;

  h264_dec->parser = g_object_new (GST_TYPE_H264_PARSER, NULL);

  h264_dec->dpb = g_object_new (GST_TYPE_H264_DPB, NULL);
  gst_h264_dpb_set_output_func (h264_dec->dpb, gst_vdp_h264_dec_output,
      h264_dec);

  return GST_BASE_VIDEO_DECODER_CLASS
      (parent_class)->start (base_video_decoder);
}

Example #7

File: gstvdpmpeg4dec.c Project: dylansong77/gstreamer

static gboolean
gst_vdp_mpeg4_dec_stop (GstBaseVideoDecoder * base_video_decoder)
{
  return GST_BASE_VIDEO_DECODER_CLASS (parent_class)->stop (base_video_decoder);
}