[FFmpeg-cvslog] lavc: Remove old vaapi decode infrastructure

Mark Thompson git at videolan.org
Wed Jan 18 01:38:51 EET 2017


ffmpeg | branch: master | Mark Thompson <sw at jkqxz.net> | Wed Aug 24 23:30:29 2016 +0100| [2a4a8653b6ca77ed1c9cec1336c55d291ef545b6] | committer: Mark Thompson

lavc: Remove old vaapi decode infrastructure

Deprecates struct vaapi_context and the installed header vaapi.h,
to be removed at the next version bump.

(cherry picked from commit 851960f6f8cf1f946fe42fa36cf6598fac68072c)

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2a4a8653b6ca77ed1c9cec1336c55d291ef545b6
---

 doc/APIchanges              |   4 +
 libavcodec/Makefile         |   5 +-
 libavcodec/vaapi.c          | 251 --------------------------------------------
 libavcodec/vaapi.h          |   7 ++
 libavcodec/vaapi_decode.c   |  78 ++++++++------
 libavcodec/vaapi_decode.h   |   6 ++
 libavcodec/vaapi_internal.h | 102 ------------------
 libavcodec/version.h        |   5 +-
 8 files changed, 69 insertions(+), 389 deletions(-)

diff --git a/doc/APIchanges b/doc/APIchanges
index c0ed711..98f8076 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -15,6 +15,10 @@ libavutil:     2015-08-28
 
 API changes, most recent first:
 
+2017-01-xx - xxxxxxx - lavc 57.74.100 - vaapi.h
+  Deprecate struct vaapi_context and the vaapi.h installed header.
+  Callers should set AVCodecContext.hw_frames_ctx instead.
+
 2017-01-12 - xxxxxxx - lavfi 6.69.100- buffersink.h
   Add av_buffersink_get_*() functions.
 
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 3a8238d..01ffe07 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -771,7 +771,7 @@ OBJS-$(CONFIG_ADPCM_YAMAHA_ENCODER)       += adpcmenc.o adpcm_data.o
 # hardware accelerators
 OBJS-$(CONFIG_D3D11VA)                    += dxva2.o
 OBJS-$(CONFIG_DXVA2)                      += dxva2.o
-OBJS-$(CONFIG_VAAPI)                      += vaapi.o vaapi_decode.o
+OBJS-$(CONFIG_VAAPI)                      += vaapi_decode.o
 OBJS-$(CONFIG_VDA)                        += vda.o videotoolbox.o
 OBJS-$(CONFIG_VIDEOTOOLBOX)               += videotoolbox.o
 OBJS-$(CONFIG_VDPAU)                      += vdpau.o
@@ -1003,8 +1003,7 @@ SKIPHEADERS-$(CONFIG_QSV)              += qsv.h qsv_internal.h
 SKIPHEADERS-$(CONFIG_QSVDEC)           += qsvdec.h
 SKIPHEADERS-$(CONFIG_QSVENC)           += qsvenc.h
 SKIPHEADERS-$(CONFIG_XVMC)             += xvmc.h
-SKIPHEADERS-$(CONFIG_VAAPI)            += vaapi_decode.h vaapi_encode.h \
-                                          vaapi_internal.h
+SKIPHEADERS-$(CONFIG_VAAPI)            += vaapi_decode.h vaapi_encode.h
 SKIPHEADERS-$(CONFIG_VDA)              += vda.h vda_vt_internal.h
 SKIPHEADERS-$(CONFIG_VDPAU)            += vdpau.h vdpau_internal.h
 SKIPHEADERS-$(CONFIG_VIDEOTOOLBOX)     += videotoolbox.h vda_vt_internal.h
diff --git a/libavcodec/vaapi.c b/libavcodec/vaapi.c
deleted file mode 100644
index 36db640..0000000
--- a/libavcodec/vaapi.c
+++ /dev/null
@@ -1,251 +0,0 @@
-/*
- * Video Acceleration API (video decoding)
- * HW decode acceleration for MPEG-2, MPEG-4, H.264 and VC-1
- *
- * Copyright (C) 2008-2009 Splitted-Desktop Systems
- *
- * 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
- */
-
-#include "libavutil/log.h"
-#include "mpegvideo.h"
-#include "vaapi_internal.h"
-
-/**
- * @addtogroup VAAPI_Decoding
- *
- * @{
- */
-
-static void destroy_buffers(VADisplay display, VABufferID *buffers, unsigned int n_buffers)
-{
-    unsigned int i;
-    for (i = 0; i < n_buffers; i++) {
-        if (buffers[i] != VA_INVALID_ID) {
-            vaDestroyBuffer(display, buffers[i]);
-            buffers[i] = VA_INVALID_ID;
-        }
-    }
-}
-
-int ff_vaapi_context_init(AVCodecContext *avctx)
-{
-    FFVAContext * const vactx = ff_vaapi_get_context(avctx);
-    const struct vaapi_context * const user_vactx = avctx->hwaccel_context;
-
-    if (!user_vactx) {
-        av_log(avctx, AV_LOG_ERROR, "Hardware acceleration context (hwaccel_context) does not exist.\n");
-        return AVERROR(ENOSYS);
-    }
-
-    vactx->display              = user_vactx->display;
-    vactx->config_id            = user_vactx->config_id;
-    vactx->context_id           = user_vactx->context_id;
-
-    vactx->pic_param_buf_id     = VA_INVALID_ID;
-    vactx->iq_matrix_buf_id     = VA_INVALID_ID;
-    vactx->bitplane_buf_id      = VA_INVALID_ID;
-
-    return 0;
-}
-
-int ff_vaapi_context_fini(AVCodecContext *avctx)
-{
-    return 0;
-}
-
-int ff_vaapi_render_picture(FFVAContext *vactx, VASurfaceID surface)
-{
-    VABufferID va_buffers[3];
-    unsigned int n_va_buffers = 0;
-
-    if (vactx->pic_param_buf_id == VA_INVALID_ID)
-        return 0;
-
-    vaUnmapBuffer(vactx->display, vactx->pic_param_buf_id);
-    va_buffers[n_va_buffers++] = vactx->pic_param_buf_id;
-
-    if (vactx->iq_matrix_buf_id != VA_INVALID_ID) {
-        vaUnmapBuffer(vactx->display, vactx->iq_matrix_buf_id);
-        va_buffers[n_va_buffers++] = vactx->iq_matrix_buf_id;
-    }
-
-    if (vactx->bitplane_buf_id != VA_INVALID_ID) {
-        vaUnmapBuffer(vactx->display, vactx->bitplane_buf_id);
-        va_buffers[n_va_buffers++] = vactx->bitplane_buf_id;
-    }
-
-    if (vaBeginPicture(vactx->display, vactx->context_id,
-                       surface) != VA_STATUS_SUCCESS)
-        return -1;
-
-    if (vaRenderPicture(vactx->display, vactx->context_id,
-                        va_buffers, n_va_buffers) != VA_STATUS_SUCCESS)
-        return -1;
-
-    if (vaRenderPicture(vactx->display, vactx->context_id,
-                        vactx->slice_buf_ids,
-                        vactx->n_slice_buf_ids) != VA_STATUS_SUCCESS)
-        return -1;
-
-    if (vaEndPicture(vactx->display, vactx->context_id) != VA_STATUS_SUCCESS)
-        return -1;
-
-    return 0;
-}
-
-int ff_vaapi_commit_slices(FFVAContext *vactx)
-{
-    VABufferID *slice_buf_ids;
-    VABufferID slice_param_buf_id, slice_data_buf_id;
-
-    if (vactx->slice_count == 0)
-        return 0;
-
-    slice_buf_ids =
-        av_fast_realloc(vactx->slice_buf_ids,
-                        &vactx->slice_buf_ids_alloc,
-                        (vactx->n_slice_buf_ids + 2) * sizeof(slice_buf_ids[0]));
-    if (!slice_buf_ids)
-        return -1;
-    vactx->slice_buf_ids = slice_buf_ids;
-
-    slice_param_buf_id = VA_INVALID_ID;
-    if (vaCreateBuffer(vactx->display, vactx->context_id,
-                       VASliceParameterBufferType,
-                       vactx->slice_param_size,
-                       vactx->slice_count, vactx->slice_params,
-                       &slice_param_buf_id) != VA_STATUS_SUCCESS)
-        return -1;
-    vactx->slice_count = 0;
-
-    slice_data_buf_id = VA_INVALID_ID;
-    if (vaCreateBuffer(vactx->display, vactx->context_id,
-                       VASliceDataBufferType,
-                       vactx->slice_data_size,
-                       1, (void *)vactx->slice_data,
-                       &slice_data_buf_id) != VA_STATUS_SUCCESS)
-        return -1;
-    vactx->slice_data = NULL;
-    vactx->slice_data_size = 0;
-
-    slice_buf_ids[vactx->n_slice_buf_ids++] = slice_param_buf_id;
-    slice_buf_ids[vactx->n_slice_buf_ids++] = slice_data_buf_id;
-    return 0;
-}
-
-static void *alloc_buffer(FFVAContext *vactx, int type, unsigned int size, uint32_t *buf_id)
-{
-    void *data = NULL;
-
-    *buf_id = VA_INVALID_ID;
-    if (vaCreateBuffer(vactx->display, vactx->context_id,
-                       type, size, 1, NULL, buf_id) == VA_STATUS_SUCCESS)
-        vaMapBuffer(vactx->display, *buf_id, &data);
-
-    return data;
-}
-
-void *ff_vaapi_alloc_pic_param(FFVAContext *vactx, unsigned int size)
-{
-    return alloc_buffer(vactx, VAPictureParameterBufferType, size, &vactx->pic_param_buf_id);
-}
-
-void *ff_vaapi_alloc_iq_matrix(FFVAContext *vactx, unsigned int size)
-{
-    return alloc_buffer(vactx, VAIQMatrixBufferType, size, &vactx->iq_matrix_buf_id);
-}
-
-uint8_t *ff_vaapi_alloc_bitplane(FFVAContext *vactx, uint32_t size)
-{
-    return alloc_buffer(vactx, VABitPlaneBufferType, size, &vactx->bitplane_buf_id);
-}
-
-VASliceParameterBufferBase *ff_vaapi_alloc_slice(FFVAContext *vactx, const uint8_t *buffer, uint32_t size)
-{
-    uint8_t *slice_params;
-    VASliceParameterBufferBase *slice_param;
-
-    if (!vactx->slice_data)
-        vactx->slice_data = buffer;
-    if (vactx->slice_data + vactx->slice_data_size != buffer) {
-        if (ff_vaapi_commit_slices(vactx) < 0)
-            return NULL;
-        vactx->slice_data = buffer;
-    }
-
-    slice_params =
-        av_fast_realloc(vactx->slice_params,
-                        &vactx->slice_params_alloc,
-                        (vactx->slice_count + 1) * vactx->slice_param_size);
-    if (!slice_params)
-        return NULL;
-    vactx->slice_params = slice_params;
-
-    slice_param = (VASliceParameterBufferBase *)(slice_params + vactx->slice_count * vactx->slice_param_size);
-    slice_param->slice_data_size   = size;
-    slice_param->slice_data_offset = vactx->slice_data_size;
-    slice_param->slice_data_flag   = VA_SLICE_DATA_FLAG_ALL;
-
-    vactx->slice_count++;
-    vactx->slice_data_size += size;
-    return slice_param;
-}
-
-void ff_vaapi_common_end_frame(AVCodecContext *avctx)
-{
-    FFVAContext * const vactx = ff_vaapi_get_context(avctx);
-
-    destroy_buffers(vactx->display, &vactx->pic_param_buf_id, 1);
-    destroy_buffers(vactx->display, &vactx->iq_matrix_buf_id, 1);
-    destroy_buffers(vactx->display, &vactx->bitplane_buf_id, 1);
-    destroy_buffers(vactx->display, vactx->slice_buf_ids, vactx->n_slice_buf_ids);
-    av_freep(&vactx->slice_buf_ids);
-    av_freep(&vactx->slice_params);
-    vactx->n_slice_buf_ids     = 0;
-    vactx->slice_buf_ids_alloc = 0;
-    vactx->slice_count         = 0;
-    vactx->slice_params_alloc  = 0;
-}
-
-#if CONFIG_H263_VAAPI_HWACCEL  || CONFIG_MPEG1_VAAPI_HWACCEL || \
-    CONFIG_MPEG2_VAAPI_HWACCEL || CONFIG_MPEG4_VAAPI_HWACCEL || \
-    CONFIG_VC1_VAAPI_HWACCEL   || CONFIG_WMV3_VAAPI_HWACCEL
-int ff_vaapi_mpeg_end_frame(AVCodecContext *avctx)
-{
-    FFVAContext * const vactx = ff_vaapi_get_context(avctx);
-    MpegEncContext *s = avctx->priv_data;
-    int ret;
-
-    ret = ff_vaapi_commit_slices(vactx);
-    if (ret < 0)
-        goto finish;
-
-    ret = ff_vaapi_render_picture(vactx,
-                                  ff_vaapi_get_surface_id(s->current_picture_ptr->f));
-    if (ret < 0)
-        goto finish;
-
-    ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
-
-finish:
-    ff_vaapi_common_end_frame(avctx);
-    return ret;
-}
-#endif
-
-/* @} */
diff --git a/libavcodec/vaapi.h b/libavcodec/vaapi.h
index 7a29f6f..e68912d 100644
--- a/libavcodec/vaapi.h
+++ b/libavcodec/vaapi.h
@@ -34,6 +34,8 @@
 #include "libavutil/attributes.h"
 #include "version.h"
 
+#if FF_API_STRUCT_VAAPI_CONTEXT
+
 /**
  * @defgroup lavc_codec_hwaccel_vaapi VA API Decoding
  * @ingroup lavc_codec_hwaccel
@@ -48,7 +50,10 @@
  * during initialization or through each AVCodecContext.get_buffer()
  * function call. In any case, they must be valid prior to calling
  * decoding functions.
+ *
+ * Deprecated: use AVCodecContext.hw_frames_ctx instead.
  */
+attribute_deprecated
 struct vaapi_context {
     /**
      * Window system dependent data
@@ -186,4 +191,6 @@ struct vaapi_context {
 
 /* @} */
 
+#endif /* FF_API_STRUCT_VAAPI_CONTEXT */
+
 #endif /* AVCODEC_VAAPI_H */
diff --git a/libavcodec/vaapi_decode.c b/libavcodec/vaapi_decode.c
index 878e8ed..da9e4ae 100644
--- a/libavcodec/vaapi_decode.c
+++ b/libavcodec/vaapi_decode.c
@@ -427,6 +427,7 @@ int ff_vaapi_decode_init(AVCodecContext *avctx)
     ctx->va_config  = VA_INVALID_ID;
     ctx->va_context = VA_INVALID_ID;
 
+#if FF_API_STRUCT_VAAPI_CONTEXT
     if (avctx->hwaccel_context) {
         av_log(avctx, AV_LOG_WARNING, "Using deprecated struct "
                "vaapi_context in decode.\n");
@@ -453,7 +454,9 @@ int ff_vaapi_decode_init(AVCodecContext *avctx)
         ctx->hwctx->driver_quirks =
             AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS;
 
-    } else if (avctx->hw_frames_ctx) {
+    } else
+#endif
+    if (avctx->hw_frames_ctx) {
         // This structure has a shorter lifetime than the enclosing
         // AVCodecContext, so we inherit the references from there
         // and do not need to make separate ones.
@@ -471,6 +474,7 @@ int ff_vaapi_decode_init(AVCodecContext *avctx)
         goto fail;
     }
 
+#if FF_API_STRUCT_VAAPI_CONTEXT
     if (ctx->have_old_context) {
         ctx->va_config  = ctx->old_context->config_id;
         ctx->va_context = ctx->old_context->context_id;
@@ -478,27 +482,31 @@ int ff_vaapi_decode_init(AVCodecContext *avctx)
         av_log(avctx, AV_LOG_DEBUG, "Using user-supplied decoder "
                "context: %#x/%#x.\n", ctx->va_config, ctx->va_context);
     } else {
-        err = vaapi_decode_make_config(avctx);
-        if (err)
-            goto fail;
+#endif
 
-        vas = vaCreateContext(ctx->hwctx->display, ctx->va_config,
-                              avctx->coded_width, avctx->coded_height,
-                              VA_PROGRESSIVE,
-                              ctx->hwfc->surface_ids,
-                              ctx->hwfc->nb_surfaces,
-                              &ctx->va_context);
-        if (vas != VA_STATUS_SUCCESS) {
-            av_log(avctx, AV_LOG_ERROR, "Failed to create decode "
-                   "context: %d (%s).\n", vas, vaErrorStr(vas));
-            err = AVERROR(EIO);
-            goto fail;
-        }
+    err = vaapi_decode_make_config(avctx);
+    if (err)
+        goto fail;
 
-        av_log(avctx, AV_LOG_DEBUG, "Decode context initialised: "
-               "%#x/%#x.\n", ctx->va_config, ctx->va_context);
+    vas = vaCreateContext(ctx->hwctx->display, ctx->va_config,
+                          avctx->coded_width, avctx->coded_height,
+                          VA_PROGRESSIVE,
+                          ctx->hwfc->surface_ids,
+                          ctx->hwfc->nb_surfaces,
+                          &ctx->va_context);
+    if (vas != VA_STATUS_SUCCESS) {
+        av_log(avctx, AV_LOG_ERROR, "Failed to create decode "
+               "context: %d (%s).\n", vas, vaErrorStr(vas));
+        err = AVERROR(EIO);
+        goto fail;
     }
 
+    av_log(avctx, AV_LOG_DEBUG, "Decode context initialised: "
+           "%#x/%#x.\n", ctx->va_config, ctx->va_context);
+#if FF_API_STRUCT_VAAPI_CONTEXT
+    }
+#endif
+
     return 0;
 
 fail:
@@ -511,26 +519,32 @@ int ff_vaapi_decode_uninit(AVCodecContext *avctx)
     VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
     VAStatus vas;
 
+#if FF_API_STRUCT_VAAPI_CONTEXT
     if (ctx->have_old_context) {
         av_buffer_unref(&ctx->device_ref);
     } else {
-        if (ctx->va_context != VA_INVALID_ID) {
-            vas = vaDestroyContext(ctx->hwctx->display, ctx->va_context);
-            if (vas != VA_STATUS_SUCCESS) {
-                av_log(avctx, AV_LOG_ERROR, "Failed to destroy decode "
-                       "context %#x: %d (%s).\n",
-                       ctx->va_context, vas, vaErrorStr(vas));
-            }
+#endif
+
+    if (ctx->va_context != VA_INVALID_ID) {
+        vas = vaDestroyContext(ctx->hwctx->display, ctx->va_context);
+        if (vas != VA_STATUS_SUCCESS) {
+            av_log(avctx, AV_LOG_ERROR, "Failed to destroy decode "
+                   "context %#x: %d (%s).\n",
+                   ctx->va_context, vas, vaErrorStr(vas));
         }
-        if (ctx->va_config != VA_INVALID_ID) {
-            vas = vaDestroyConfig(ctx->hwctx->display, ctx->va_config);
-            if (vas != VA_STATUS_SUCCESS) {
-                av_log(avctx, AV_LOG_ERROR, "Failed to destroy decode "
-                       "configuration %#x: %d (%s).\n",
-                       ctx->va_config, vas, vaErrorStr(vas));
-            }
+    }
+    if (ctx->va_config != VA_INVALID_ID) {
+        vas = vaDestroyConfig(ctx->hwctx->display, ctx->va_config);
+        if (vas != VA_STATUS_SUCCESS) {
+            av_log(avctx, AV_LOG_ERROR, "Failed to destroy decode "
+                   "configuration %#x: %d (%s).\n",
+                   ctx->va_config, vas, vaErrorStr(vas));
         }
     }
 
+#if FF_API_STRUCT_VAAPI_CONTEXT
+    }
+#endif
+
     return 0;
 }
diff --git a/libavcodec/vaapi_decode.h b/libavcodec/vaapi_decode.h
index f1caa54..5ac3069 100644
--- a/libavcodec/vaapi_decode.h
+++ b/libavcodec/vaapi_decode.h
@@ -26,7 +26,11 @@
 #include "libavutil/hwcontext_vaapi.h"
 
 #include "avcodec.h"
+
+#include "version.h"
+#if FF_API_STRUCT_VAAPI_CONTEXT
 #include "vaapi.h"
+#endif
 
 static inline VASurfaceID ff_vaapi_get_surface_id(AVFrame *pic)
 {
@@ -54,9 +58,11 @@ typedef struct VAAPIDecodeContext {
     VAConfigID            va_config;
     VAContextID           va_context;
 
+#if FF_API_STRUCT_VAAPI_CONTEXT
     int                   have_old_context;
     struct vaapi_context *old_context;
     AVBufferRef          *device_ref;
+#endif
 
     AVHWDeviceContext    *device;
     AVVAAPIDeviceContext *hwctx;
diff --git a/libavcodec/vaapi_internal.h b/libavcodec/vaapi_internal.h
deleted file mode 100644
index 306ae13..0000000
--- a/libavcodec/vaapi_internal.h
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * Video Acceleration API (video decoding)
- * HW decode acceleration for MPEG-2, MPEG-4, H.264 and VC-1
- *
- * Copyright (C) 2008-2009 Splitted-Desktop Systems
- *
- * 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_VAAPI_INTERNAL_H
-#define AVCODEC_VAAPI_INTERNAL_H
-
-#include <va/va.h>
-#include "vaapi.h"
-#include "avcodec.h"
-#include "internal.h"
-
-/**
- * @addtogroup VAAPI_Decoding
- *
- * @{
- */
-
-typedef struct {
-    VADisplay display;                  ///< Windowing system dependent handle
-    VAConfigID config_id;               ///< Configuration ID
-    VAContextID context_id;             ///< Context ID (video decode pipeline)
-    VABufferID pic_param_buf_id;        ///< Picture parameter buffer
-    VABufferID iq_matrix_buf_id;        ///< Inverse quantiser matrix buffer
-    VABufferID bitplane_buf_id;         ///< Bitplane buffer (for VC-1 decoding)
-    VABufferID *slice_buf_ids;          ///< Slice parameter/data buffers
-    unsigned int n_slice_buf_ids;       ///< Number of effective slice buffers
-    unsigned int slice_buf_ids_alloc;   ///< Number of allocated slice buffers
-    void *slice_params;                 ///< Pointer to slice parameter buffers
-    unsigned int slice_param_size;      ///< Size of a slice parameter element
-    unsigned int slice_params_alloc;    ///< Number of allocated slice parameters
-    unsigned int slice_count;           ///< Number of slices currently filled in
-    const uint8_t *slice_data;          ///< Pointer to slice data buffer base
-    unsigned int slice_data_size;       ///< Current size of slice data
-} FFVAContext;
-
-/** Extract vaapi_context from an AVCodecContext */
-static inline FFVAContext *ff_vaapi_get_context(AVCodecContext *avctx)
-{
-    return avctx->internal->hwaccel_priv_data;
-}
-
-/** Extract VASurfaceID from an AVFrame */
-static inline VASurfaceID ff_vaapi_get_surface_id(AVFrame *pic)
-{
-    return (uintptr_t)pic->data[3];
-}
-
-/** Common AVHWAccel.init() implementation */
-int ff_vaapi_context_init(AVCodecContext *avctx);
-
-/** Common AVHWAccel.uninit() implementation */
-int ff_vaapi_context_fini(AVCodecContext *avctx);
-
-/** Common AVHWAccel.end_frame() implementation */
-void ff_vaapi_common_end_frame(AVCodecContext *avctx);
-
-/** Allocate a new picture parameter buffer */
-void *ff_vaapi_alloc_pic_param(FFVAContext *vactx, unsigned int size);
-
-/** Allocate a new IQ matrix buffer */
-void *ff_vaapi_alloc_iq_matrix(FFVAContext *vactx, unsigned int size);
-
-/** Allocate a new bit-plane buffer */
-uint8_t *ff_vaapi_alloc_bitplane(FFVAContext *vactx, uint32_t size);
-
-/**
- * Allocate a new slice descriptor for the input slice.
- *
- * @param vactx the VA API context
- * @param buffer the slice data buffer base
- * @param size the size of the slice in bytes
- * @return the newly allocated slice parameter
- */
-VASliceParameterBufferBase *ff_vaapi_alloc_slice(FFVAContext *vactx, const uint8_t *buffer, uint32_t size);
-
-int ff_vaapi_mpeg_end_frame(AVCodecContext *avctx);
-int ff_vaapi_commit_slices(FFVAContext *vactx);
-int ff_vaapi_render_picture(FFVAContext *vactx, VASurfaceID surface);
-
-/* @} */
-
-#endif /* AVCODEC_VAAPI_INTERNAL_H */
diff --git a/libavcodec/version.h b/libavcodec/version.h
index b0dd46d..45e4488 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -28,7 +28,7 @@
 #include "libavutil/version.h"
 
 #define LIBAVCODEC_VERSION_MAJOR  57
-#define LIBAVCODEC_VERSION_MINOR  73
+#define LIBAVCODEC_VERSION_MINOR  74
 #define LIBAVCODEC_VERSION_MICRO 100
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
@@ -226,5 +226,8 @@
 #ifndef FF_API_NVENC_OLD_NAME
 #define FF_API_NVENC_OLD_NAME    (LIBAVCODEC_VERSION_MAJOR < 59)
 #endif
+#ifndef FF_API_STRUCT_VAAPI_CONTEXT
+#define FF_API_STRUCT_VAAPI_CONTEXT (LIBAVCODEC_VERSION_MAJOR < 59)
+#endif
 
 #endif /* AVCODEC_VERSION_H */



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