libavcodec/qsv_internal.h

   1 /*
   2  * Intel MediaSDK QSV encoder/decoder shared code
   3  *
   4  * This file is part of Libav.
   5  *
   6  * Libav is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * Libav is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with Libav; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #ifndef AVCODEC_QSV_INTERNAL_H
  22 #define AVCODEC_QSV_INTERNAL_H
  23
  24 #include <mfx/mfxvideo.h>
  25
  26 #include "libavutil/frame.h"
  27
  28 #include "avcodec.h"
  29
  30 #define QSV_VERSION_MAJOR 1
  31 #define QSV_VERSION_MINOR 1
  32
  33 #define ASYNC_DEPTH_DEFAULT 4       // internal parallelism
  34
  35 #define QSV_VERSION_ATLEAST(MAJOR, MINOR)   \
  36     (MFX_VERSION_MAJOR > (MAJOR) ||         \
  37      MFX_VERSION_MAJOR == (MAJOR) && MFX_VERSION_MINOR >= (MINOR))
  38
  39 typedef struct QSVMid {
  40     AVBufferRef *hw_frames_ref;
  41     mfxHDL handle;
  42
  43     AVFrame *locked_frame;
  44     AVFrame *hw_frame;
  45     mfxFrameSurface1 surf;
  46 } QSVMid;
  47
  48 typedef struct QSVFrame {
  49     AVFrame *frame;
  50     mfxFrameSurface1 surface;
  51
  52     int queued;
  53     int used;
  54
  55     struct QSVFrame *next;
  56 } QSVFrame;
  57
  58 typedef struct QSVFramesContext {
  59     AVBufferRef *hw_frames_ctx;
  60     void *logctx;
  61
  62     /* The memory ids for the external frames.
  63      * Refcounted, since we need one reference owned by the QSVFramesContext
  64      * (i.e. by the encoder/decoder) and another one given to the MFX session
  65      * from the frame allocator. */
  66     AVBufferRef *mids_buf;
  67     QSVMid *mids;
  68     int  nb_mids;
  69 } QSVFramesContext;
  70
  71 /**
  72  * Convert a libmfx error code into a libav error code.
  73  */
  74 int ff_qsv_map_error(mfxStatus mfx_err, const char **desc);
  75
  76 int ff_qsv_print_error(void *log_ctx, mfxStatus err,
  77                        const char *error_string);
  78
  79 int ff_qsv_print_warning(void *log_ctx, mfxStatus err,
  80                          const char *warning_string);
  81
  82 int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id);
  83 int ff_qsv_profile_to_mfx(enum AVCodecID codec_id, int profile);
  84
  85 int ff_qsv_map_pixfmt(enum AVPixelFormat format, uint32_t *fourcc);
  86
  87 int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session,
  88                                  const char *load_plugins);
  89
  90 int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession,
  91                                AVBufferRef *device_ref, const char *load_plugins);
  92
  93 int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *session,
  94                                QSVFramesContext *qsv_frames_ctx,
  95                                const char *load_plugins, int opaque);
  96
  97 int ff_qsv_find_surface_idx(QSVFramesContext *ctx, QSVFrame *frame);
  98
  99 #endif /* AVCODEC_QSV_INTERNAL_H */