ffmpeg-2.8.5

git-svn-id: svn://kolibrios.org@6147 a494cfbc-eb01-0410-851d-a64ba20cac60

contrib/sdk/sources/ffmpeg/ffmpeg-2.8/libavcodec/qsv_internal.h

@@ -0,0 +1,82 @@
+/*
+ * Intel MediaSDK QSV encoder/decoder shared code
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_QSV_INTERNAL_H
+#define AVCODEC_QSV_INTERNAL_H
+
+#if CONFIG_VAAPI
+#define AVCODEC_QSV_LINUX_SESSION_HANDLE
+#endif //CONFIG_VAAPI
+
+#ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE
+#include <stdio.h>
+#include <string.h>
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <fcntl.h>
+#include <va/va.h>
+#include <va/va_drm.h>
+#endif
+
+#include <mfx/mfxvideo.h>
+
+#include "libavutil/frame.h"
+
+#define QSV_VERSION_MAJOR 1
+#define QSV_VERSION_MINOR 9
+
+#define ASYNC_DEPTH_DEFAULT 4       // internal parallelism
+
+#define QSV_VERSION_ATLEAST(MAJOR, MINOR)   \
+    (MFX_VERSION_MAJOR > (MAJOR) ||         \
+     MFX_VERSION_MAJOR == (MAJOR) && MFX_VERSION_MINOR >= (MINOR))
+
+typedef struct QSVFrame {
+    AVFrame *frame;
+    mfxFrameSurface1 *surface;
+
+    mfxFrameSurface1 surface_internal;
+
+    int queued;
+
+    struct QSVFrame *next;
+} QSVFrame;
+
+typedef struct QSVSession {
+    mfxSession session;
+#ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE
+    int        fd_display;
+    VADisplay  va_display;
+#endif
+} QSVSession;
+
+/**
+ * Convert a libmfx error code into a ffmpeg error code.
+ */
+int ff_qsv_error(int mfx_err);
+
+int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id);
+
+int ff_qsv_init_internal_session(AVCodecContext *avctx, QSVSession *qs,
+                                 const char *load_plugins);
+int ff_qsv_close_internal_session(QSVSession *qs);
+
+#endif /* AVCODEC_QSV_INTERNAL_H */