C++ (Cpp) GST_TEST_REVERSE_NEGOTIATION_SINKの例

コード例 #1

ファイル: videoscale.c プロジェクト: PeterXu/gst-mobile

static GstFlowReturn
gst_test_reverse_negotiation_sink_buffer_alloc (GstBaseSink * bsink,
    guint64 offset, guint size, GstCaps * caps, GstBuffer ** buf)
{
  GstTestReverseNegotiationSink *sink =
      GST_TEST_REVERSE_NEGOTIATION_SINK (bsink);
  GstVideoFormat fmt;
  gint width, height;

  fail_unless (gst_video_format_parse_caps (caps, &fmt, &width, &height));

  if (sink->nbuffers < 2) {
    *buf =
        gst_buffer_new_and_alloc (gst_video_format_get_size (fmt, width,
            height));
    gst_buffer_set_caps (*buf, caps);
  } else {
    gint fps_n, fps_d;

    fail_unless (gst_video_parse_caps_framerate (caps, &fps_n, &fps_d));

    width = 512;
    height = 128;
    *buf =
        gst_buffer_new_and_alloc (gst_video_format_get_size (fmt, width,
            height));
    caps = gst_video_format_new_caps (fmt, width, height, fps_n, fps_d, 1, 1);
    gst_buffer_set_caps (*buf, caps);
    gst_caps_unref (caps);
  }

  return GST_FLOW_OK;
}

コード例 #2

ファイル: videoscale.c プロジェクト: PeterXu/gst-mobile

static GstFlowReturn
gst_test_reverse_negotiation_sink_render (GstBaseSink * bsink,
    GstBuffer * buffer)
{
  GstTestReverseNegotiationSink *sink =
      GST_TEST_REVERSE_NEGOTIATION_SINK (bsink);
  GstCaps *caps;
  GstVideoInfo info;

  caps = gst_pad_get_current_caps (GST_BASE_SINK_PAD (bsink));

  fail_unless (caps != NULL);
  fail_unless (gst_video_info_from_caps (&info, caps));

  sink->nbuffers++;

  /* The third buffer is still in the old size
   * because the videoconverts can't convert
   * the frame sizes
   */
  if (sink->nbuffers > 3) {
    fail_unless_equals_int (GST_VIDEO_INFO_WIDTH (&info), 512);
    fail_unless_equals_int (GST_VIDEO_INFO_HEIGHT (&info), 128);
  }

  gst_caps_unref (caps);

  return GST_FLOW_OK;
}

コード例 #3

ファイル: videoscale.c プロジェクト: pli3/gst-plugins-base

static GstFlowReturn
gst_test_reverse_negotiation_sink_render (GstBaseSink * bsink,
    GstBuffer * buffer)
{
  GstTestReverseNegotiationSink *sink =
      GST_TEST_REVERSE_NEGOTIATION_SINK (bsink);
  GstCaps *caps = gst_buffer_get_caps (buffer);
  GstVideoFormat fmt;
  gint width, height;

  fail_unless (caps != NULL);
  fail_unless (gst_video_format_parse_caps (caps, &fmt, &width, &height));

  sink->nbuffers++;

  /* The third buffer is still in the old size
   * because the ffmpegcolorspaces can't convert
   * the frame sizes
   */
  if (sink->nbuffers > 3) {
    fail_unless_equals_int (width, 512);
    fail_unless_equals_int (height, 128);
  }

  gst_caps_unref (caps);

  return GST_FLOW_OK;
}