Esempi in C++ (Cpp) per gst_ffmpeg_cfg_install_property

Esempio n. 1

File: gstavvidenc.c Progetto: krieger-od/gst-ffmpeg

static void
gst_ffmpegvidenc_class_init (GstFFMpegVidEncClass * klass)
{
  GObjectClass *gobject_class;
  GstVideoEncoderClass *venc_class;

  gobject_class = (GObjectClass *) klass;
  venc_class = (GstVideoEncoderClass *) klass;

  parent_class = g_type_class_peek_parent (klass);

  gobject_class->set_property = gst_ffmpegvidenc_set_property;
  gobject_class->get_property = gst_ffmpegvidenc_get_property;

  /* FIXME: could use -1 for a sensible per-codec default based on
   * e.g. input resolution and framerate */
  g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BIT_RATE,
      g_param_spec_int ("bitrate", "Bit Rate",
          "Target Video Bitrate", 0, G_MAXINT, DEFAULT_VIDEO_BITRATE,
          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
  g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_GOP_SIZE,
      g_param_spec_int ("gop-size", "GOP Size",
          "Number of frames within one GOP", 0, G_MAXINT,
          DEFAULT_VIDEO_GOP_SIZE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
  g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_ME_METHOD,
      g_param_spec_enum ("me-method", "ME Method", "Motion Estimation Method",
          GST_TYPE_ME_METHOD, ME_EPZS,
          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));

  g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BUFSIZE,
      g_param_spec_int ("buffer-size", "Buffer Size",
          "Size of the video buffers", 0, G_MAXINT, 0,
          G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
  g_object_class_install_property (G_OBJECT_CLASS (klass),
      PROP_RTP_PAYLOAD_SIZE, g_param_spec_int ("rtp-payload-size",
          "RTP Payload Size", "Target GOB length", 0, G_MAXINT, 0,
          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));

  g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_COMPLIANCE,
      g_param_spec_enum ("compliance", "Compliance",
          "Adherence of the encoder to the specifications",
          GST_TYPE_FFMPEG_COMPLIANCE, FFMPEG_DEFAULT_COMPLIANCE,
          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));

  /* register additional properties, possibly dependent on the exact CODEC */
  gst_ffmpeg_cfg_install_property (klass, PROP_COMPLIANCE);

  venc_class->start = gst_ffmpegvidenc_start;
  venc_class->stop = gst_ffmpegvidenc_stop;
  venc_class->finish = gst_ffmpegvidenc_finish;
  venc_class->handle_frame = gst_ffmpegvidenc_handle_frame;
  venc_class->getcaps = gst_ffmpegvidenc_getcaps;
  venc_class->set_format = gst_ffmpegvidenc_set_format;
  venc_class->propose_allocation = gst_ffmpegvidenc_propose_allocation;
  venc_class->flush = gst_ffmpegvidenc_flush;

  gobject_class->finalize = gst_ffmpegvidenc_finalize;
}

Esempio n. 2

File: gstffmpegenc.c Progetto: cpopescu/whispermedialib

static void
gst_ffmpegenc_class_init (GstFFMpegEncClass * klass)
{
  GObjectClass *gobject_class;
  GstElementClass *gstelement_class;

  gobject_class = (GObjectClass *) klass;
  gstelement_class = (GstElementClass *) klass;

  parent_class = g_type_class_peek_parent (klass);

  gobject_class->set_property = gst_ffmpegenc_set_property;
  gobject_class->get_property = gst_ffmpegenc_get_property;

  if (klass->in_plugin->type == CODEC_TYPE_VIDEO) {
    g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BIT_RATE,
        g_param_spec_ulong ("bitrate", "Bit Rate",
            "Target Video Bitrate", 0, G_MAXULONG, DEFAULT_VIDEO_BITRATE,
            G_PARAM_READWRITE));
    g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_GOP_SIZE,
        g_param_spec_int ("gop-size", "GOP Size",
            "Number of frames within one GOP", 0, G_MAXINT,
            DEFAULT_VIDEO_GOP_SIZE, G_PARAM_READWRITE));
    g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ME_METHOD,
        g_param_spec_enum ("me-method", "ME Method", "Motion Estimation Method",
            GST_TYPE_ME_METHOD, ME_EPZS, G_PARAM_READWRITE));

    /* FIXME 0.11: Make this property read-only */
    g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BUFSIZE,
        g_param_spec_ulong ("buffer-size", "Buffer Size",
            "Size of the video buffers. "
            "Note: Setting this property has no effect "
            "and is deprecated!", 0, G_MAXULONG, 0, G_PARAM_READWRITE));
    g_object_class_install_property (G_OBJECT_CLASS (klass),
        ARG_RTP_PAYLOAD_SIZE, g_param_spec_ulong ("rtp-payload-size",
            "RTP Payload Size", "Target GOB length", 0, G_MAXULONG, 0,
            G_PARAM_READWRITE));

    /* register additional properties, possibly dependent on the exact CODEC */
    gst_ffmpeg_cfg_install_property (klass, ARG_CFG_BASE);
  } else if (klass->in_plugin->type == CODEC_TYPE_AUDIO) {
    g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BIT_RATE,
        g_param_spec_ulong ("bitrate", "Bit Rate",
            "Target Audio Bitrate", 0, G_MAXULONG, DEFAULT_AUDIO_BITRATE,
            G_PARAM_READWRITE));
  }

  gstelement_class->change_state = gst_ffmpegenc_change_state;

  gobject_class->finalize = gst_ffmpegenc_finalize;
}