Esempi in C++ (Cpp) per gst_vaapi_encoder_put_frame

Esempio n. 1

File: simple-encoder.c Progetto: GStreamer/gstreamer-vaapi

static gboolean
upload_frame (GstVaapiEncoder * encoder, GstVaapiSurfaceProxy * proxy)
{
  GstVideoCodecFrame *frame;
  GstVaapiEncoderStatus ret;

  frame = g_slice_new0 (GstVideoCodecFrame);
  gst_video_codec_frame_set_user_data (frame,
      gst_vaapi_surface_proxy_ref (proxy),
      (GDestroyNotify) gst_vaapi_surface_proxy_unref);

  ret = gst_vaapi_encoder_put_frame (encoder, frame);
  return (ret == GST_VAAPI_ENCODER_STATUS_SUCCESS);
}

Esempio n. 2

File: gstvaapiencode.c Progetto: rexxster/gstreamer-vaapi

static GstFlowReturn
gst_vaapiencode_handle_frame (GstVideoEncoder * venc,
    GstVideoCodecFrame * frame)
{
  GstVaapiEncode *const encode = GST_VAAPIENCODE_CAST (venc);
  GstVaapiEncoderStatus status;
  GstVaapiVideoMeta *meta;
  GstVaapiSurfaceProxy *proxy;
  GstFlowReturn ret;
  GstBuffer *buf;

  buf = NULL;
  ret = gst_vaapi_plugin_base_get_input_buffer (GST_VAAPI_PLUGIN_BASE (encode),
      frame->input_buffer, &buf);
  if (ret != GST_FLOW_OK)
    goto error_buffer_invalid;

  gst_buffer_replace (&frame->input_buffer, buf);
  gst_buffer_unref (buf);

  meta = gst_buffer_get_vaapi_video_meta (buf);
  if (!meta)
    goto error_buffer_no_meta;

  proxy = gst_vaapi_video_meta_get_surface_proxy (meta);
  if (!proxy)
    goto error_buffer_no_surface_proxy;

  gst_video_codec_frame_set_user_data (frame,
      gst_vaapi_surface_proxy_ref (proxy),
      (GDestroyNotify) gst_vaapi_surface_proxy_unref);

  GST_VIDEO_ENCODER_STREAM_UNLOCK (encode);
  status = gst_vaapi_encoder_put_frame (encode->encoder, frame);
  GST_VIDEO_ENCODER_STREAM_LOCK (encode);
  if (status < GST_VAAPI_ENCODER_STATUS_SUCCESS)
    goto error_encode_frame;

  gst_video_codec_frame_unref (frame);
  return GST_FLOW_OK;

  /* ERRORS */
error_buffer_invalid:
  {
    if (buf)
      gst_buffer_unref (buf);
    gst_video_codec_frame_unref (frame);
    return ret;
  }
error_buffer_no_meta:
  {
    GST_ERROR ("failed to get GstVaapiVideoMeta information");
    gst_video_codec_frame_unref (frame);
    return GST_FLOW_ERROR;
  }
error_buffer_no_surface_proxy:
  {
    GST_ERROR ("failed to get VA surface proxy");
    gst_video_codec_frame_unref (frame);
    return GST_FLOW_ERROR;
  }
error_encode_frame:
  {
    GST_ERROR ("failed to encode frame %d (status %d)",
        frame->system_frame_number, status);
    gst_video_codec_frame_unref (frame);
    return GST_FLOW_ERROR;
  }
}