1 /* GStreamer Intel MSDK plugin 2 * Copyright (c) 2016, Oblong Industries, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation 13 * and/or other materials provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 28 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 29 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef __MSDK_H__ 33 #define __MSDK_H__ 34 35 #ifdef HAVE_CONFIG_H 36 #include "config.h" 37 #endif 38 39 #include <string.h> 40 41 #include <gst/gst.h> 42 #include <gst/video/video.h> 43 44 #include <mfxvideo.h> 45 46 G_BEGIN_DECLS 47 48 mfxSession msdk_open_session (mfxIMPL impl); 49 void msdk_close_session (mfxSession session); 50 51 gboolean msdk_is_available (void); 52 53 mfxFrameSurface1 *msdk_get_free_surface (mfxFrameSurface1 * surfaces, 54 guint size); 55 void msdk_frame_to_surface (GstVideoFrame * frame, mfxFrameSurface1 * surface); 56 57 const gchar *msdk_status_to_string (mfxStatus status); 58 59 void gst_msdk_set_video_alignment (GstVideoInfo * info, 60 GstVideoAlignment * alignment); 61 62 /* Conversion from Gstreamer to libmfx */ 63 gint gst_msdk_get_mfx_chroma_from_format (GstVideoFormat format); 64 gint gst_msdk_get_mfx_fourcc_from_format (GstVideoFormat format); 65 void gst_msdk_set_mfx_frame_info_from_video_info (mfxFrameInfo * mfx_info, 66 GstVideoInfo * info); 67 68 gboolean 69 gst_msdk_is_msdk_buffer (GstBuffer * buf); 70 71 mfxFrameSurface1 * 72 gst_msdk_get_surface_from_buffer (GstBuffer * buf); 73 74 GstVideoFormat 75 gst_msdk_get_video_format_from_mfx_fourcc (mfxU32 fourcc); 76 77 G_END_DECLS 78 79 #endif /* __MSDK_H__ */ 80