C++ (Cpp) gst_glimage_sink_redisplay 예제들

예제 #1

파일: gstglimagesink.c 프로젝트: asdlei00/gst-plugins-bad

static GstFlowReturn
gst_glimage_sink_show_frame (GstVideoSink * vsink, GstBuffer * buf)
{
  GstGLImageSink *glimage_sink;
  GstBuffer *stored_buffer;

  GST_TRACE ("rendering buffer:%p", buf);

  glimage_sink = GST_GLIMAGE_SINK (vsink);

  GST_TRACE ("redisplay texture:%u of size:%ux%u, window size:%ux%u",
      glimage_sink->next_tex, GST_VIDEO_INFO_WIDTH (&glimage_sink->info),
      GST_VIDEO_INFO_HEIGHT (&glimage_sink->info),
      GST_VIDEO_SINK_WIDTH (glimage_sink),
      GST_VIDEO_SINK_HEIGHT (glimage_sink));

  /* Avoid to release the texture while drawing */
  GST_GLIMAGE_SINK_LOCK (glimage_sink);
  glimage_sink->redisplay_texture = glimage_sink->next_tex;
  stored_buffer = glimage_sink->stored_buffer;
  glimage_sink->stored_buffer = gst_buffer_ref (buf);
  GST_GLIMAGE_SINK_UNLOCK (glimage_sink);
  if (stored_buffer)
    gst_buffer_unref (stored_buffer);

  /* Ask the underlying window to redraw its content */
  if (!gst_glimage_sink_redisplay (glimage_sink))
    goto redisplay_failed;

  GST_TRACE ("post redisplay");

  if (g_atomic_int_get (&glimage_sink->to_quit) != 0) {
    GST_ELEMENT_ERROR (glimage_sink, RESOURCE, NOT_FOUND,
        ("%s", gst_gl_context_get_error ()), (NULL));
    gst_gl_upload_release_buffer (glimage_sink->upload);
    return GST_FLOW_ERROR;
  }

  return GST_FLOW_OK;

/* ERRORS */
redisplay_failed:
  {
    gst_gl_upload_release_buffer (glimage_sink->upload);
    GST_ELEMENT_ERROR (glimage_sink, RESOURCE, NOT_FOUND,
        ("%s", gst_gl_context_get_error ()), (NULL));
    return GST_FLOW_ERROR;
  }
}

예제 #2

파일: gstglimagesink.c 프로젝트: freedesktop-unofficial-mirror/gstreamer__attic__gst-plugins-gl

static void
gst_glimage_sink_expose (GstVideoOverlay * overlay)
{
  GstGLImageSink *glimage_sink = GST_GLIMAGE_SINK (overlay);

  /* redisplay opengl scene */
  if (glimage_sink->display && glimage_sink->window_id) {

    if (glimage_sink->window_id != glimage_sink->new_window_id) {
      GstGLWindow *window = gst_gl_context_get_window (glimage_sink->context);

      glimage_sink->window_id = glimage_sink->new_window_id;
      gst_gl_window_set_window_handle (window, glimage_sink->window_id);

      gst_object_unref (window);
    }

    gst_glimage_sink_redisplay (glimage_sink);
  }
}

예제 #3

파일: gstglimagesink.c 프로젝트: freedesktop-unofficial-mirror/gstreamer__attic__gst-plugins-gl

static GstFlowReturn
gst_glimage_sink_render (GstBaseSink * bsink, GstBuffer * buf)
{
  GstGLImageSink *glimage_sink;
  guint tex_id;

  GST_TRACE ("rendering buffer:%p", buf);

  glimage_sink = GST_GLIMAGE_SINK (bsink);

  if (GST_VIDEO_SINK_WIDTH (glimage_sink) < 1 ||
      GST_VIDEO_SINK_HEIGHT (glimage_sink) < 1) {
    return GST_FLOW_NOT_NEGOTIATED;
  }

  if (!_ensure_gl_setup (glimage_sink))
    return GST_FLOW_NOT_NEGOTIATED;

  if (!gst_gl_upload_perform_with_buffer (glimage_sink->upload, buf, &tex_id))
    goto upload_failed;

  if (glimage_sink->window_id != glimage_sink->new_window_id) {
    GstGLWindow *window = gst_gl_context_get_window (glimage_sink->context);

    glimage_sink->window_id = glimage_sink->new_window_id;
    gst_gl_window_set_window_handle (window, glimage_sink->window_id);

    gst_object_unref (window);
  }

  GST_TRACE ("redisplay texture:%u of size:%ux%u, window size:%ux%u", tex_id,
      GST_VIDEO_INFO_WIDTH (&glimage_sink->info),
      GST_VIDEO_INFO_HEIGHT (&glimage_sink->info),
      GST_VIDEO_SINK_WIDTH (glimage_sink),
      GST_VIDEO_SINK_HEIGHT (glimage_sink));

  /* Avoid to release the texture while drawing */
  GST_GLIMAGE_SINK_LOCK (glimage_sink);
  glimage_sink->redisplay_texture = tex_id;
  GST_GLIMAGE_SINK_UNLOCK (glimage_sink);

  /* Ask the underlying window to redraw its content */
  if (!gst_glimage_sink_redisplay (glimage_sink))
    goto redisplay_failed;

  GST_TRACE ("post redisplay");

  if (g_atomic_int_get (&glimage_sink->to_quit) != 0) {
    GST_ELEMENT_ERROR (glimage_sink, RESOURCE, NOT_FOUND,
        ("%s", gst_gl_context_get_error ()), (NULL));
    gst_gl_upload_release_buffer (glimage_sink->upload);
    return GST_FLOW_ERROR;
  }

  gst_gl_upload_release_buffer (glimage_sink->upload);
  return GST_FLOW_OK;

/* ERRORS */
redisplay_failed:
  {
    gst_gl_upload_release_buffer (glimage_sink->upload);
    GST_ELEMENT_ERROR (glimage_sink, RESOURCE, NOT_FOUND,
        ("%s", gst_gl_context_get_error ()), (NULL));
    return GST_FLOW_ERROR;
  }

upload_failed:
  {
    GST_ELEMENT_ERROR (glimage_sink, RESOURCE, NOT_FOUND,
        ("%s", "Failed to upload format"), (NULL));
    return FALSE;
  }
}