Exemplos de gst_ffmpegdeinterlace_sink_setcaps em C++ (Cpp)

Exemplo n.º 1

Arquivo: gstffmpegdeinterlace.c Projeto: ttrask/unf

static GstFlowReturn
gst_ffmpegdeinterlace_chain (GstPad * pad, GstObject * parent,
    GstBuffer * inbuf)
{
  GstFFMpegDeinterlace *deinterlace = GST_FFMPEGDEINTERLACE (parent);
  GstBuffer *outbuf = NULL;
  GstFlowReturn result;
  GstMapInfo from_map, to_map;

  GST_OBJECT_LOCK (deinterlace);
  if (deinterlace->reconfigure) {
    if (deinterlace->new_mode != -1)
      deinterlace->mode = deinterlace->new_mode;
    deinterlace->new_mode = -1;

    deinterlace->reconfigure = FALSE;
    GST_OBJECT_UNLOCK (deinterlace);
    if (gst_pad_has_current_caps (deinterlace->srcpad)) {
      GstCaps *caps;

      caps = gst_pad_get_current_caps (deinterlace->sinkpad);
      gst_ffmpegdeinterlace_sink_setcaps (deinterlace->sinkpad, caps);
      gst_caps_unref (caps);
    }
  } else {
    GST_OBJECT_UNLOCK (deinterlace);
  }

  if (deinterlace->passthrough)
    return gst_pad_push (deinterlace->srcpad, inbuf);

  outbuf = gst_buffer_new_and_alloc (deinterlace->to_size);

  gst_buffer_map (inbuf, &from_map, GST_MAP_READ);
  gst_ffmpeg_avpicture_fill (&deinterlace->from_frame, from_map.data,
      deinterlace->pixfmt, deinterlace->width, deinterlace->height);

  gst_buffer_map (outbuf, &to_map, GST_MAP_WRITE);
  gst_ffmpeg_avpicture_fill (&deinterlace->to_frame, to_map.data,
      deinterlace->pixfmt, deinterlace->width, deinterlace->height);

  avpicture_deinterlace (&deinterlace->to_frame, &deinterlace->from_frame,
      deinterlace->pixfmt, deinterlace->width, deinterlace->height);
  gst_buffer_unmap (outbuf, &to_map);
  gst_buffer_unmap (inbuf, &from_map);

  gst_buffer_copy_into (outbuf, inbuf, GST_BUFFER_COPY_TIMESTAMPS, 0, -1);

  result = gst_pad_push (deinterlace->srcpad, outbuf);

  gst_buffer_unref (inbuf);

  return result;
}

Exemplo n.º 2

Arquivo: gstffmpegdeinterlace.c Projeto: genesi/gst-ffmpeg

static GstFlowReturn
gst_ffmpegdeinterlace_chain (GstPad * pad, GstBuffer * inbuf)
{
  GstFFMpegDeinterlace *deinterlace =
      GST_FFMPEGDEINTERLACE (gst_pad_get_parent (pad));
  GstBuffer *outbuf = NULL;
  GstFlowReturn result;

  GST_OBJECT_LOCK (deinterlace);
  if (deinterlace->reconfigure) {
    if (deinterlace->new_mode != -1)
      deinterlace->mode = deinterlace->new_mode;
    deinterlace->new_mode = -1;

    deinterlace->reconfigure = FALSE;
    GST_OBJECT_UNLOCK (deinterlace);
    if (GST_PAD_CAPS (deinterlace->srcpad))
      gst_ffmpegdeinterlace_sink_setcaps (deinterlace->sinkpad,
          GST_PAD_CAPS (deinterlace->sinkpad));
  } else {
    GST_OBJECT_UNLOCK (deinterlace);
  }

  if (deinterlace->passthrough)
    return gst_pad_push (deinterlace->srcpad, inbuf);

  result =
      gst_pad_alloc_buffer (deinterlace->srcpad, GST_BUFFER_OFFSET_NONE,
      deinterlace->to_size, GST_PAD_CAPS (deinterlace->srcpad), &outbuf);
  if (result == GST_FLOW_OK) {
    gst_ffmpeg_avpicture_fill (&deinterlace->from_frame,
        GST_BUFFER_DATA (inbuf), deinterlace->pixfmt, deinterlace->width,
        deinterlace->height);

    gst_ffmpeg_avpicture_fill (&deinterlace->to_frame, GST_BUFFER_DATA (outbuf),
        deinterlace->pixfmt, deinterlace->width, deinterlace->height);

    avpicture_deinterlace (&deinterlace->to_frame, &deinterlace->from_frame,
        deinterlace->pixfmt, deinterlace->width, deinterlace->height);

    gst_buffer_copy_metadata (outbuf, inbuf, GST_BUFFER_COPY_TIMESTAMPS);

    result = gst_pad_push (deinterlace->srcpad, outbuf);
  }

  gst_buffer_unref (inbuf);

  return result;
}

Exemplo n.º 3

Arquivo: gstffmpegdeinterlace.c Projeto: ttrask/unf

static gboolean
gst_ffmpegdeinterlace_sink_event (GstPad * pad, GstObject * parent,
    GstEvent * event)
{
  GstFFMpegDeinterlace *deinterlace = GST_FFMPEGDEINTERLACE (parent);
  gboolean ret = FALSE;

  switch (GST_EVENT_TYPE (event)) {
    case GST_EVENT_CAPS:
    {
      GstCaps *caps;

      gst_event_parse_caps (event, &caps);
      ret = gst_ffmpegdeinterlace_sink_setcaps (pad, caps);
      gst_event_unref (event);
      break;
    }
    default:
      ret = gst_pad_push_event (deinterlace->srcpad, event);
      break;
  }

  return ret;
}