]> git.sesse.net Git - ffmpeg/blobdiff - libavcodec/vdpau.c
dashenc: Simplify code by using a local variable
[ffmpeg] / libavcodec / vdpau.c
index bd721e8f8e2b0d61a9ea208a4e44ebd21a9a3c15..8606624a850d46071a2b79a1386bb562485af39f 100644 (file)
@@ -4,25 +4,27 @@
  *
  * Copyright (c) 2008 NVIDIA
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <limits.h>
+#include "libavutil/avassert.h"
 #include "avcodec.h"
+#include "internal.h"
 #include "h264.h"
 #include "vc1.h"
 
 #include "vdpau_internal.h"
 
 /**
- * \addtogroup VDPAU_Decoding
+ * @addtogroup VDPAU_Decoding
  *
  * @{
  */
 
-void ff_vdpau_h264_set_reference_frames(MpegEncContext *s)
+static int vdpau_error(VdpStatus status)
 {
-    H264Context *h = s->avctx->priv_data;
-    struct vdpau_render_state *render, *render_ref;
-    VdpReferenceFrameH264 *rf, *rf2;
-    Picture *pic;
-    int i, list, pic_frame_idx;
-
-    render = (struct vdpau_render_state *)s->current_picture_ptr->data[0];
-    assert(render);
-
-    rf = &render->info.h264.referenceFrames[0];
-#define H264_RF_COUNT FF_ARRAY_ELEMS(render->info.h264.referenceFrames)
-
-    for (list = 0; list < 2; ++list) {
-        Picture **lp = list ? h->long_ref : h->short_ref;
-        int ls = list ? 16 : h->short_ref_count;
-
-        for (i = 0; i < ls; ++i) {
-            pic = lp[i];
-            if (!pic || !pic->reference)
-                continue;
-            pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
-
-            render_ref = (struct vdpau_render_state *)pic->data[0];
-            assert(render_ref);
-
-            rf2 = &render->info.h264.referenceFrames[0];
-            while (rf2 != rf) {
-                if (
-                    (rf2->surface == render_ref->surface)
-                    && (rf2->is_long_term == pic->long_ref)
-                    && (rf2->frame_idx == pic_frame_idx)
-                )
-                    break;
-                ++rf2;
-            }
-            if (rf2 != rf) {
-                rf2->top_is_reference    |= (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;
-                rf2->bottom_is_reference |= (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
-                continue;
-            }
-
-            if (rf >= &render->info.h264.referenceFrames[H264_RF_COUNT])
-                continue;
-
-            rf->surface             = render_ref->surface;
-            rf->is_long_term        = pic->long_ref;
-            rf->top_is_reference    = (pic->reference & PICT_TOP_FIELD)    ? VDP_TRUE : VDP_FALSE;
-            rf->bottom_is_reference = (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
-            rf->field_order_cnt[0]  = pic->field_poc[0];
-            rf->field_order_cnt[1]  = pic->field_poc[1];
-            rf->frame_idx           = pic_frame_idx;
-
-            ++rf;
-        }
+    switch (status) {
+    case VDP_STATUS_OK:
+        return 0;
+    case VDP_STATUS_NO_IMPLEMENTATION:
+        return AVERROR(ENOSYS);
+    case VDP_STATUS_DISPLAY_PREEMPTED:
+        return AVERROR(EIO);
+    case VDP_STATUS_INVALID_HANDLE:
+        return AVERROR(EBADF);
+    case VDP_STATUS_INVALID_POINTER:
+        return AVERROR(EFAULT);
+    case VDP_STATUS_RESOURCES:
+        return AVERROR(ENOBUFS);
+    case VDP_STATUS_HANDLE_DEVICE_MISMATCH:
+        return AVERROR(EXDEV);
+    case VDP_STATUS_ERROR:
+        return AVERROR(EIO);
+    default:
+        return AVERROR(EINVAL);
     }
+}
 
-    for (; rf < &render->info.h264.referenceFrames[H264_RF_COUNT]; ++rf) {
-        rf->surface             = VDP_INVALID_HANDLE;
-        rf->is_long_term        = 0;
-        rf->top_is_reference    = 0;
-        rf->bottom_is_reference = 0;
-        rf->field_order_cnt[0]  = 0;
-        rf->field_order_cnt[1]  = 0;
-        rf->frame_idx           = 0;
+int av_vdpau_get_surface_parameters(AVCodecContext *avctx,
+                                    VdpChromaType *type,
+                                    uint32_t *width, uint32_t *height)
+{
+    VdpChromaType t;
+    uint32_t w = avctx->coded_width;
+    uint32_t h = avctx->coded_height;
+
+    /* See <vdpau/vdpau.h> for per-type alignment constraints. */
+    switch (avctx->sw_pix_fmt) {
+    case AV_PIX_FMT_YUV420P:
+    case AV_PIX_FMT_YUVJ420P:
+        t = VDP_CHROMA_TYPE_420;
+        w = (w + 1) & ~1;
+        h = (h + 3) & ~3;
+        break;
+    case AV_PIX_FMT_YUV422P:
+    case AV_PIX_FMT_YUVJ422P:
+        t = VDP_CHROMA_TYPE_422;
+        w = (w + 1) & ~1;
+        h = (h + 1) & ~1;
+        break;
+    case AV_PIX_FMT_YUV444P:
+    case AV_PIX_FMT_YUVJ444P:
+        t = VDP_CHROMA_TYPE_444;
+        h = (h + 1) & ~1;
+        break;
+    default:
+        return AVERROR(ENOSYS);
     }
+
+    if (type)
+        *type = t;
+    if (width)
+        *width = w;
+    if (height)
+        *height = h;
+    return 0;
 }
 
-void ff_vdpau_add_data_chunk(MpegEncContext *s,
-                             const uint8_t *buf, int buf_size)
+int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
+                         int level)
 {
-    struct vdpau_render_state *render;
+    VDPAUHWContext *hwctx = avctx->hwaccel_context;
+    VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
+    VdpVideoSurfaceQueryCapabilities *surface_query_caps;
+    VdpDecoderQueryCapabilities *decoder_query_caps;
+    VdpDecoderCreate *create;
+    void *func;
+    VdpStatus status;
+    VdpBool supported;
+    uint32_t max_level, max_mb, max_width, max_height;
+    VdpChromaType type;
+    uint32_t width;
+    uint32_t height;
+
+    vdctx->width            = UINT32_MAX;
+    vdctx->height           = UINT32_MAX;
+    hwctx->reset            = 0;
+
+    if (hwctx->context.decoder != VDP_INVALID_HANDLE) {
+        vdctx->decoder = hwctx->context.decoder;
+        vdctx->render  = hwctx->context.render;
+        vdctx->device  = VDP_INVALID_HANDLE;
+        return 0; /* Decoder created by user */
+    }
+
+    vdctx->device           = hwctx->device;
+    vdctx->get_proc_address = hwctx->get_proc_address;
+
+    if (hwctx->flags & AV_HWACCEL_FLAG_IGNORE_LEVEL)
+        level = 0;
+    else if (level < 0)
+        return AVERROR(ENOTSUP);
+
+    if (av_vdpau_get_surface_parameters(avctx, &type, &width, &height))
+        return AVERROR(ENOSYS);
+
+    if (!(hwctx->flags & AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH) &&
+        type != VDP_CHROMA_TYPE_420)
+        return AVERROR(ENOSYS);
+
+    status = vdctx->get_proc_address(vdctx->device,
+                                     VDP_FUNC_ID_VIDEO_SURFACE_QUERY_CAPABILITIES,
+                                     &func);
+    if (status != VDP_STATUS_OK)
+        return vdpau_error(status);
+    else
+        surface_query_caps = func;
+
+    status = surface_query_caps(vdctx->device, type, &supported,
+                                &max_width, &max_height);
+    if (status != VDP_STATUS_OK)
+        return vdpau_error(status);
+    if (supported != VDP_TRUE ||
+        max_width < width || max_height < height)
+        return AVERROR(ENOTSUP);
+
+    status = vdctx->get_proc_address(vdctx->device,
+                                     VDP_FUNC_ID_DECODER_QUERY_CAPABILITIES,
+                                     &func);
+    if (status != VDP_STATUS_OK)
+        return vdpau_error(status);
+    else
+        decoder_query_caps = func;
+
+    status = decoder_query_caps(vdctx->device, profile, &supported, &max_level,
+                                &max_mb, &max_width, &max_height);
+#ifdef VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE
+    if (status != VDP_STATUS_OK && profile == VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE) {
+        /* Run-time backward compatibility for libvdpau 0.8 and earlier */
+        profile = VDP_DECODER_PROFILE_H264_MAIN;
+        status = decoder_query_caps(vdctx->device, profile, &supported,
+                                    &max_level, &max_mb,
+                                    &max_width, &max_height);
+    }
+#endif
+    if (status != VDP_STATUS_OK)
+        return vdpau_error(status);
+
+    if (supported != VDP_TRUE || max_level < level ||
+        max_width < width || max_height < height)
+        return AVERROR(ENOTSUP);
+
+    status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_CREATE,
+                                     &func);
+    if (status != VDP_STATUS_OK)
+        return vdpau_error(status);
+    else
+        create = func;
 
-    render = (struct vdpau_render_state *)s->current_picture_ptr->data[0];
-    assert(render);
+    status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_RENDER,
+                                     &func);
+    if (status != VDP_STATUS_OK)
+        return vdpau_error(status);
+    else
+        vdctx->render = func;
 
-    render->bitstream_buffers= av_fast_realloc(
-        render->bitstream_buffers,
-        &render->bitstream_buffers_allocated,
-        sizeof(*render->bitstream_buffers)*(render->bitstream_buffers_used + 1)
-    );
+    status = create(vdctx->device, profile, width, height, avctx->refs,
+                    &vdctx->decoder);
+    if (status == VDP_STATUS_OK) {
+        vdctx->width  = avctx->coded_width;
+        vdctx->height = avctx->coded_height;
+    }
 
-    render->bitstream_buffers[render->bitstream_buffers_used].struct_version  = VDP_BITSTREAM_BUFFER_VERSION;
-    render->bitstream_buffers[render->bitstream_buffers_used].bitstream       = buf;
-    render->bitstream_buffers[render->bitstream_buffers_used].bitstream_bytes = buf_size;
-    render->bitstream_buffers_used++;
+    return vdpau_error(status);
 }
 
-void ff_vdpau_h264_picture_start(MpegEncContext *s)
+int ff_vdpau_common_uninit(AVCodecContext *avctx)
 {
-    H264Context *h = s->avctx->priv_data;
-    struct vdpau_render_state *render;
-    int i;
-
-    render = (struct vdpau_render_state *)s->current_picture_ptr->data[0];
-    assert(render);
-
-    for (i = 0; i < 2; ++i) {
-        int foc = s->current_picture_ptr->field_poc[i];
-        if (foc == INT_MAX)
-            foc = 0;
-        render->info.h264.field_order_cnt[i] = foc;
-    }
+    VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
+    VdpDecoderDestroy *destroy;
+    void *func;
+    VdpStatus status;
+
+    if (vdctx->device == VDP_INVALID_HANDLE)
+        return 0; /* Decoder created and destroyed by user */
+    if (vdctx->width == UINT32_MAX && vdctx->height == UINT32_MAX)
+        return 0;
+
+    status = vdctx->get_proc_address(vdctx->device,
+                                     VDP_FUNC_ID_DECODER_DESTROY, &func);
+    if (status != VDP_STATUS_OK)
+        return vdpau_error(status);
+    else
+        destroy = func;
 
-    render->info.h264.frame_num = h->frame_num;
+    status = destroy(vdctx->decoder);
+    return vdpau_error(status);
 }
 
-void ff_vdpau_h264_picture_complete(MpegEncContext *s)
+static int ff_vdpau_common_reinit(AVCodecContext *avctx)
 {
-    H264Context *h = s->avctx->priv_data;
-    struct vdpau_render_state *render;
-
-    render = (struct vdpau_render_state *)s->current_picture_ptr->data[0];
-    assert(render);
-
-    render->info.h264.slice_count = h->slice_num;
-    if (render->info.h264.slice_count < 1)
-        return;
-
-    render->info.h264.is_reference                           = (s->current_picture_ptr->reference & 3) ? VDP_TRUE : VDP_FALSE;
-    render->info.h264.field_pic_flag                         = s->picture_structure != PICT_FRAME;
-    render->info.h264.bottom_field_flag                      = s->picture_structure == PICT_BOTTOM_FIELD;
-    render->info.h264.num_ref_frames                         = h->sps.ref_frame_count;
-    render->info.h264.mb_adaptive_frame_field_flag           = h->sps.mb_aff && !render->info.h264.field_pic_flag;
-    render->info.h264.constrained_intra_pred_flag            = h->pps.constrained_intra_pred;
-    render->info.h264.weighted_pred_flag                     = h->pps.weighted_pred;
-    render->info.h264.weighted_bipred_idc                    = h->pps.weighted_bipred_idc;
-    render->info.h264.frame_mbs_only_flag                    = h->sps.frame_mbs_only_flag;
-    render->info.h264.transform_8x8_mode_flag                = h->pps.transform_8x8_mode;
-    render->info.h264.chroma_qp_index_offset                 = h->pps.chroma_qp_index_offset[0];
-    render->info.h264.second_chroma_qp_index_offset          = h->pps.chroma_qp_index_offset[1];
-    render->info.h264.pic_init_qp_minus26                    = h->pps.init_qp - 26;
-    render->info.h264.num_ref_idx_l0_active_minus1           = h->pps.ref_count[0] - 1;
-    render->info.h264.num_ref_idx_l1_active_minus1           = h->pps.ref_count[1] - 1;
-    render->info.h264.log2_max_frame_num_minus4              = h->sps.log2_max_frame_num - 4;
-    render->info.h264.pic_order_cnt_type                     = h->sps.poc_type;
-    render->info.h264.log2_max_pic_order_cnt_lsb_minus4      = h->sps.poc_type ? 0 : h->sps.log2_max_poc_lsb - 4;
-    render->info.h264.delta_pic_order_always_zero_flag       = h->sps.delta_pic_order_always_zero_flag;
-    render->info.h264.direct_8x8_inference_flag              = h->sps.direct_8x8_inference_flag;
-    render->info.h264.entropy_coding_mode_flag               = h->pps.cabac;
-    render->info.h264.pic_order_present_flag                 = h->pps.pic_order_present;
-    render->info.h264.deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present;
-    render->info.h264.redundant_pic_cnt_present_flag         = h->pps.redundant_pic_cnt_present;
-    memcpy(render->info.h264.scaling_lists_4x4, h->pps.scaling_matrix4, sizeof(render->info.h264.scaling_lists_4x4));
-    memcpy(render->info.h264.scaling_lists_8x8, h->pps.scaling_matrix8, sizeof(render->info.h264.scaling_lists_8x8));
-
-    ff_draw_horiz_band(s, 0, s->avctx->height);
-    render->bitstream_buffers_used = 0;
+    VDPAUHWContext *hwctx = avctx->hwaccel_context;
+    VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
+
+    if (vdctx->device == VDP_INVALID_HANDLE)
+        return 0; /* Decoder created by user */
+    if (avctx->coded_width == vdctx->width &&
+        avctx->coded_height == vdctx->height && !hwctx->reset)
+        return 0;
+
+    avctx->hwaccel->uninit(avctx);
+    return avctx->hwaccel->init(avctx);
 }
 
-void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
-                                    int buf_size, int slice_count)
+int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic_ctx,
+                                av_unused const uint8_t *buffer,
+                                av_unused uint32_t size)
 {
-    struct vdpau_render_state *render, *last, *next;
-    int i;
-
-    if (!s->current_picture_ptr) return;
-
-    render = (struct vdpau_render_state *)s->current_picture_ptr->data[0];
-    assert(render);
-
-    /* fill VdpPictureInfoMPEG1Or2 struct */
-    render->info.mpeg.picture_structure          = s->picture_structure;
-    render->info.mpeg.picture_coding_type        = s->pict_type;
-    render->info.mpeg.intra_dc_precision         = s->intra_dc_precision;
-    render->info.mpeg.frame_pred_frame_dct       = s->frame_pred_frame_dct;
-    render->info.mpeg.concealment_motion_vectors = s->concealment_motion_vectors;
-    render->info.mpeg.intra_vlc_format           = s->intra_vlc_format;
-    render->info.mpeg.alternate_scan             = s->alternate_scan;
-    render->info.mpeg.q_scale_type               = s->q_scale_type;
-    render->info.mpeg.top_field_first            = s->top_field_first;
-    render->info.mpeg.full_pel_forward_vector    = s->full_pel[0]; // MPEG-1 only.  Set 0 for MPEG-2
-    render->info.mpeg.full_pel_backward_vector   = s->full_pel[1]; // MPEG-1 only.  Set 0 for MPEG-2
-    render->info.mpeg.f_code[0][0]               = s->mpeg_f_code[0][0]; // For MPEG-1 fill both horiz. & vert.
-    render->info.mpeg.f_code[0][1]               = s->mpeg_f_code[0][1];
-    render->info.mpeg.f_code[1][0]               = s->mpeg_f_code[1][0];
-    render->info.mpeg.f_code[1][1]               = s->mpeg_f_code[1][1];
-    for (i = 0; i < 64; ++i) {
-        render->info.mpeg.intra_quantizer_matrix[i]     = s->intra_matrix[i];
-        render->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
-    }
+    pic_ctx->bitstream_buffers_allocated = 0;
+    pic_ctx->bitstream_buffers_used      = 0;
+    pic_ctx->bitstream_buffers           = NULL;
+    return 0;
+}
 
-    render->info.mpeg.forward_reference          = VDP_INVALID_HANDLE;
-    render->info.mpeg.backward_reference         = VDP_INVALID_HANDLE;
-
-    switch(s->pict_type){
-    case  FF_B_TYPE:
-        next = (struct vdpau_render_state *)s->next_picture.data[0];
-        assert(next);
-        render->info.mpeg.backward_reference     = next->surface;
-        // no return here, going to set forward prediction
-    case  FF_P_TYPE:
-        last = (struct vdpau_render_state *)s->last_picture.data[0];
-        if (!last) // FIXME: Does this test make sense?
-            last = render; // predict second field from the first
-        render->info.mpeg.forward_reference      = last->surface;
-    }
+int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
+                              struct vdpau_picture_context *pic_ctx)
+{
+    VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
+    VdpVideoSurface surf = ff_vdpau_get_surface_id(frame);
+    VdpStatus status;
+    int val;
 
-    ff_vdpau_add_data_chunk(s, buf, buf_size);
+    val = ff_vdpau_common_reinit(avctx);
+    if (val < 0)
+        return val;
 
-    render->info.mpeg.slice_count                = slice_count;
+    status = vdctx->render(vdctx->decoder, surf, (void *)&pic_ctx->info,
+                           pic_ctx->bitstream_buffers_used,
+                           pic_ctx->bitstream_buffers);
 
-    if (slice_count)
-        ff_draw_horiz_band(s, 0, s->avctx->height);
-    render->bitstream_buffers_used               = 0;
+    av_freep(&pic_ctx->bitstream_buffers);
+    return vdpau_error(status);
 }
 
-void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
-                                 int buf_size)
+#if CONFIG_H263_VDPAU_HWACCEL  || CONFIG_MPEG1_VDPAU_HWACCEL || \
+    CONFIG_MPEG2_VDPAU_HWACCEL || CONFIG_MPEG4_VDPAU_HWACCEL || \
+    CONFIG_VC1_VDPAU_HWACCEL   || CONFIG_WMV3_VDPAU_HWACCEL
+int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
 {
-    VC1Context *v = s->avctx->priv_data;
-    struct vdpau_render_state *render, *last, *next;
-
-    render = (struct vdpau_render_state *)s->current_picture.data[0];
-    assert(render);
-
-    /*  fill LvPictureInfoVC1 struct */
-    render->info.vc1.frame_coding_mode  = v->fcm;
-    render->info.vc1.postprocflag       = v->postprocflag;
-    render->info.vc1.pulldown           = v->broadcast;
-    render->info.vc1.interlace          = v->interlace;
-    render->info.vc1.tfcntrflag         = v->tfcntrflag;
-    render->info.vc1.finterpflag        = v->finterpflag;
-    render->info.vc1.psf                = v->psf;
-    render->info.vc1.dquant             = v->dquant;
-    render->info.vc1.panscan_flag       = v->panscanflag;
-    render->info.vc1.refdist_flag       = v->refdist_flag;
-    render->info.vc1.quantizer          = v->quantizer_mode;
-    render->info.vc1.extended_mv        = v->extended_mv;
-    render->info.vc1.extended_dmv       = v->extended_dmv;
-    render->info.vc1.overlap            = v->overlap;
-    render->info.vc1.vstransform        = v->vstransform;
-    render->info.vc1.loopfilter         = v->s.loop_filter;
-    render->info.vc1.fastuvmc           = v->fastuvmc;
-    render->info.vc1.range_mapy_flag    = v->range_mapy_flag;
-    render->info.vc1.range_mapy         = v->range_mapy;
-    render->info.vc1.range_mapuv_flag   = v->range_mapuv_flag;
-    render->info.vc1.range_mapuv        = v->range_mapuv;
-    /* Specific to simple/main profile only */
-    render->info.vc1.multires           = v->multires;
-    render->info.vc1.syncmarker         = v->s.resync_marker;
-    render->info.vc1.rangered           = v->rangered | (v->rangeredfrm << 1);
-    render->info.vc1.maxbframes         = v->s.max_b_frames;
-
-    render->info.vc1.deblockEnable      = v->postprocflag & 1;
-    render->info.vc1.pquant             = v->pq;
-
-    render->info.vc1.forward_reference  = VDP_INVALID_HANDLE;
-    render->info.vc1.backward_reference = VDP_INVALID_HANDLE;
-
-    if (v->bi_type)
-        render->info.vc1.picture_type = 4;
-    else
-        render->info.vc1.picture_type = s->pict_type - 1 + s->pict_type / 3;
-
-    switch(s->pict_type){
-    case  FF_B_TYPE:
-        next = (struct vdpau_render_state *)s->next_picture.data[0];
-        assert(next);
-        render->info.vc1.backward_reference = next->surface;
-        // no break here, going to set forward prediction
-    case  FF_P_TYPE:
-        last = (struct vdpau_render_state *)s->last_picture.data[0];
-        if (!last) // FIXME: Does this test make sense?
-            last = render; // predict second field from the first
-        render->info.vc1.forward_reference = last->surface;
-    }
+    MpegEncContext *s = avctx->priv_data;
+    Picture *pic = s->current_picture_ptr;
+    struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
+    int val;
 
-    ff_vdpau_add_data_chunk(s, buf, buf_size);
+    val = ff_vdpau_common_end_frame(avctx, pic->f, pic_ctx);
+    if (val < 0)
+        return val;
 
-    render->info.vc1.slice_count          = 1;
+    ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
+    return 0;
+}
+#endif
 
-    ff_draw_horiz_band(s, 0, s->avctx->height);
-    render->bitstream_buffers_used        = 0;
+int ff_vdpau_add_buffer(struct vdpau_picture_context *pic_ctx,
+                        const uint8_t *buf, uint32_t size)
+{
+    VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers;
+
+    buffers = av_fast_realloc(buffers, &pic_ctx->bitstream_buffers_allocated,
+                              (pic_ctx->bitstream_buffers_used + 1) * sizeof(*buffers));
+    if (!buffers)
+        return AVERROR(ENOMEM);
+
+    pic_ctx->bitstream_buffers = buffers;
+    buffers += pic_ctx->bitstream_buffers_used++;
+
+    buffers->struct_version  = VDP_BITSTREAM_BUFFER_VERSION;
+    buffers->bitstream       = buf;
+    buffers->bitstream_bytes = size;
+    return 0;
 }
 
-void ff_vdpau_mpeg4_decode_picture(MpegEncContext *s, const uint8_t *buf,
-                                   int buf_size)
+int av_vdpau_get_profile(AVCodecContext *avctx, VdpDecoderProfile *profile)
 {
-    struct vdpau_render_state *render, *last, *next;
-    int i;
-
-    if (!s->current_picture_ptr) return;
-
-    render = (struct vdpau_render_state *)s->current_picture_ptr->data[0];
-    assert(render);
-
-    /* fill VdpPictureInfoMPEG4Part2 struct */
-    render->info.mpeg4.trd[0]                            = s->pp_time;
-    render->info.mpeg4.trb[0]                            = s->pb_time;
-    render->info.mpeg4.trd[1]                            = s->pp_field_time >> 1;
-    render->info.mpeg4.trb[1]                            = s->pb_field_time >> 1;
-    render->info.mpeg4.vop_time_increment_resolution     = s->avctx->time_base.den;
-    render->info.mpeg4.vop_coding_type                   = 0;
-    render->info.mpeg4.vop_fcode_forward                 = s->f_code;
-    render->info.mpeg4.vop_fcode_backward                = s->b_code;
-    render->info.mpeg4.resync_marker_disable             = !s->resync_marker;
-    render->info.mpeg4.interlaced                        = !s->progressive_sequence;
-    render->info.mpeg4.quant_type                        = s->mpeg_quant;
-    render->info.mpeg4.quarter_sample                    = s->quarter_sample;
-    render->info.mpeg4.short_video_header                = s->avctx->codec->id == CODEC_ID_H263;
-    render->info.mpeg4.rounding_control                  = s->no_rounding;
-    render->info.mpeg4.alternate_vertical_scan_flag      = s->alternate_scan;
-    render->info.mpeg4.top_field_first                   = s->top_field_first;
-    for (i = 0; i < 64; ++i) {
-        render->info.mpeg4.intra_quantizer_matrix[i]     = s->intra_matrix[i];
-        render->info.mpeg4.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
-    }
-    render->info.mpeg4.forward_reference                 = VDP_INVALID_HANDLE;
-    render->info.mpeg4.backward_reference                = VDP_INVALID_HANDLE;
-
-    switch (s->pict_type) {
-    case FF_B_TYPE:
-        next = (struct vdpau_render_state *)s->next_picture.data[0];
-        assert(next);
-        render->info.mpeg4.backward_reference     = next->surface;
-        render->info.mpeg4.vop_coding_type        = 2;
-        // no break here, going to set forward prediction
-    case FF_P_TYPE:
-        last = (struct vdpau_render_state *)s->last_picture.data[0];
-        assert(last);
-        render->info.mpeg4.forward_reference      = last->surface;
+#define PROFILE(prof)                      \
+do {                                       \
+    *profile = VDP_DECODER_PROFILE_##prof; \
+    return 0;                              \
+} while (0)
+
+    switch (avctx->codec_id) {
+    case AV_CODEC_ID_MPEG1VIDEO:               PROFILE(MPEG1);
+    case AV_CODEC_ID_MPEG2VIDEO:
+        switch (avctx->profile) {
+        case FF_PROFILE_MPEG2_MAIN:            PROFILE(MPEG2_MAIN);
+        case FF_PROFILE_MPEG2_SIMPLE:          PROFILE(MPEG2_SIMPLE);
+        default:                               return AVERROR(EINVAL);
+        }
+    case AV_CODEC_ID_H263:                     PROFILE(MPEG4_PART2_ASP);
+    case AV_CODEC_ID_MPEG4:
+        switch (avctx->profile) {
+        case FF_PROFILE_MPEG4_SIMPLE:          PROFILE(MPEG4_PART2_SP);
+        case FF_PROFILE_MPEG4_ADVANCED_SIMPLE: PROFILE(MPEG4_PART2_ASP);
+        default:                               return AVERROR(EINVAL);
+        }
+    case AV_CODEC_ID_H264:
+        switch (avctx->profile & ~FF_PROFILE_H264_INTRA) {
+        case FF_PROFILE_H264_BASELINE:         PROFILE(H264_BASELINE);
+        case FF_PROFILE_H264_CONSTRAINED_BASELINE:
+        case FF_PROFILE_H264_MAIN:             PROFILE(H264_MAIN);
+        case FF_PROFILE_H264_HIGH:             PROFILE(H264_HIGH);
+#ifdef VDP_DECODER_PROFILE_H264_EXTENDED
+        case FF_PROFILE_H264_EXTENDED:         PROFILE(H264_EXTENDED);
+#endif
+        default:                               return AVERROR(EINVAL);
+        }
+    case AV_CODEC_ID_WMV3:
+    case AV_CODEC_ID_VC1:
+        switch (avctx->profile) {
+        case FF_PROFILE_VC1_SIMPLE:            PROFILE(VC1_SIMPLE);
+        case FF_PROFILE_VC1_MAIN:              PROFILE(VC1_MAIN);
+        case FF_PROFILE_VC1_ADVANCED:          PROFILE(VC1_ADVANCED);
+        default:                               return AVERROR(EINVAL);
+        }
     }
+    return AVERROR(EINVAL);
+#undef PROFILE
+}
+
+AVVDPAUContext *av_vdpau_alloc_context(void)
+{
+    return av_mallocz(sizeof(AVVDPAUContext));
+}
+
+int av_vdpau_bind_context(AVCodecContext *avctx, VdpDevice device,
+                          VdpGetProcAddress *get_proc, unsigned flags)
+{
+    VDPAUHWContext *hwctx;
+
+    if (flags & ~(AV_HWACCEL_FLAG_IGNORE_LEVEL|AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH))
+        return AVERROR(EINVAL);
+
+    if (av_reallocp(&avctx->hwaccel_context, sizeof(*hwctx)))
+        return AVERROR(ENOMEM);
 
-    ff_vdpau_add_data_chunk(s, buf, buf_size);
+    hwctx = avctx->hwaccel_context;
 
-    ff_draw_horiz_band(s, 0, s->avctx->height);
-    render->bitstream_buffers_used = 0;
+    memset(hwctx, 0, sizeof(*hwctx));
+    hwctx->context.decoder  = VDP_INVALID_HANDLE;
+    hwctx->device           = device;
+    hwctx->get_proc_address = get_proc;
+    hwctx->flags            = flags;
+    hwctx->reset            = 1;
+    return 0;
 }
 
 /* @}*/