[deb_ffmpeg.git] / ffmpeg / libavcodec / vdpau.c

/*
 * Video Decode and Presentation API for UNIX (VDPAU) is used for
 * HW decode acceleration for MPEG-1/2, MPEG-4 ASP, H.264 and VC-1.
 *
 * Copyright (c) 2008 NVIDIA
 *
 * 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 <limits.h>
#include "avcodec.h"
#include "h264.h"
#include "vc1.h"

#undef NDEBUG
#include <assert.h>

#include "vdpau.h"
#include "vdpau_internal.h"

/**
 * @addtogroup VDPAU_Decoding
 *
 * @{
 */

AVVDPAUContext *av_alloc_vdpaucontext(void)
{
    return av_vdpau_alloc_context();
}

MAKE_ACCESSORS(AVVDPAUContext, vdpau_hwaccel, AVVDPAU_Render2, render2)

int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic_ctx,
                                av_unused const uint8_t *buffer,
                                av_unused uint32_t size)
{
    pic_ctx->bitstream_buffers_allocated = 0;
    pic_ctx->bitstream_buffers_used      = 0;
    pic_ctx->bitstream_buffers           = NULL;
    return 0;
}

#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)
{
    int res = 0;
    AVVDPAUContext *hwctx = avctx->hwaccel_context;
    MpegEncContext *s = avctx->priv_data;
    Picture *pic = s->current_picture_ptr;
    struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
    VdpVideoSurface surf = ff_vdpau_get_surface_id(pic->f);

#if FF_API_BUFS_VDPAU
FF_DISABLE_DEPRECATION_WARNINGS
    hwctx->info = pic_ctx->info;
    hwctx->bitstream_buffers = pic_ctx->bitstream_buffers;
    hwctx->bitstream_buffers_used = pic_ctx->bitstream_buffers_used;
    hwctx->bitstream_buffers_allocated = pic_ctx->bitstream_buffers_allocated;
FF_ENABLE_DEPRECATION_WARNINGS
#endif

    if (!hwctx->render) {
        res = hwctx->render2(avctx, pic->f, (void *)&pic_ctx->info,
                             pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
    } else
    hwctx->render(hwctx->decoder, surf, (void *)&pic_ctx->info,
                  pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);

    ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
    av_freep(&pic_ctx->bitstream_buffers);

#if FF_API_BUFS_VDPAU
FF_DISABLE_DEPRECATION_WARNINGS
    hwctx->bitstream_buffers = NULL;
    hwctx->bitstream_buffers_used = 0;
    hwctx->bitstream_buffers_allocated = 0;
FF_ENABLE_DEPRECATION_WARNINGS
#endif

    return res;
}
#endif

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;
}

/* Obsolete non-hwaccel VDPAU support below... */

void ff_vdpau_h264_set_reference_frames(H264Context *h)
{
    struct vdpau_render_state *render, *render_ref;
    VdpReferenceFrameH264 *rf, *rf2;
    H264Picture *pic;
    int i, list, pic_frame_idx;

    render = (struct vdpau_render_state *)h->cur_pic_ptr->f.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) {
        H264Picture **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->f.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;
        }
    }

    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;
    }
}

void ff_vdpau_add_data_chunk(uint8_t *data, const uint8_t *buf, int buf_size)
{
    struct vdpau_render_state *render = (struct vdpau_render_state*)data;
    assert(render);

    render->bitstream_buffers= av_fast_realloc(
        render->bitstream_buffers,
        &render->bitstream_buffers_allocated,
        sizeof(*render->bitstream_buffers)*(render->bitstream_buffers_used + 1)
    );

    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++;
}

#if CONFIG_H264_VDPAU_DECODER
void ff_vdpau_h264_picture_start(H264Context *h)
{
    struct vdpau_render_state *render;
    int i;

    render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
    assert(render);

    for (i = 0; i < 2; ++i) {
        int foc = h->cur_pic_ptr->field_poc[i];
        if (foc == INT_MAX)
            foc = 0;
        render->info.h264.field_order_cnt[i] = foc;
    }

    render->info.h264.frame_num = h->frame_num;
}

void ff_vdpau_h264_picture_complete(H264Context *h)
{
    struct vdpau_render_state *render;

    render = (struct vdpau_render_state *)h->cur_pic_ptr->f.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                           = (h->cur_pic_ptr->reference & 3) ? VDP_TRUE : VDP_FALSE;
    render->info.h264.field_pic_flag                         = h->picture_structure != PICT_FRAME;
    render->info.h264.bottom_field_flag                      = h->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[0], h->pps.scaling_matrix8[0], sizeof(render->info.h264.scaling_lists_8x8[0]));
    memcpy(render->info.h264.scaling_lists_8x8[1], h->pps.scaling_matrix8[3], sizeof(render->info.h264.scaling_lists_8x8[0]));

    ff_h264_draw_horiz_band(h, 0, h->avctx->height);
    render->bitstream_buffers_used = 0;
}
#endif /* CONFIG_H264_VDPAU_DECODER */

#if CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER
void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
                                    int buf_size, int slice_count)
{
    struct vdpau_render_state *render, *last, *next;
    int i;

    if (!s->current_picture_ptr) return;

    render = (struct vdpau_render_state *)s->current_picture_ptr->f->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];
    }

    render->info.mpeg.forward_reference          = VDP_INVALID_HANDLE;
    render->info.mpeg.backward_reference         = VDP_INVALID_HANDLE;

    switch(s->pict_type){
    case  AV_PICTURE_TYPE_B:
        next = (struct vdpau_render_state *)s->next_picture.f->data[0];
        assert(next);
        render->info.mpeg.backward_reference     = next->surface;
        // no return here, going to set forward prediction
    case  AV_PICTURE_TYPE_P:
        last = (struct vdpau_render_state *)s->last_picture.f->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;
    }

    ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);

    render->info.mpeg.slice_count                = slice_count;

    if (slice_count)
        ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
    render->bitstream_buffers_used               = 0;
}
#endif /* CONFIG_MPEG_VDPAU_DECODER || CONFIG_MPEG1_VDPAU_DECODER */

#if CONFIG_VC1_VDPAU_DECODER
void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
                                 int buf_size)
{
    VC1Context *v = s->avctx->priv_data;
    struct vdpau_render_state *render, *last, *next;

    render = (struct vdpau_render_state *)s->current_picture.f->data[0];
    assert(render);

    /*  fill LvPictureInfoVC1 struct */
    render->info.vc1.frame_coding_mode  = v->fcm ? v->fcm + 1 : 0;
    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->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  AV_PICTURE_TYPE_B:
        next = (struct vdpau_render_state *)s->next_picture.f->data[0];
        assert(next);
        render->info.vc1.backward_reference = next->surface;
        // no break here, going to set forward prediction
    case  AV_PICTURE_TYPE_P:
        last = (struct vdpau_render_state *)s->last_picture.f->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;
    }

    ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);

    render->info.vc1.slice_count          = 1;

    ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
    render->bitstream_buffers_used        = 0;
}
#endif /* (CONFIG_VC1_VDPAU_DECODER */

#if CONFIG_MPEG4_VDPAU_DECODER
void ff_vdpau_mpeg4_decode_picture(Mpeg4DecContext *ctx, const uint8_t *buf,
                                   int buf_size)
{
    MpegEncContext *s = &ctx->m;
    struct vdpau_render_state *render, *last, *next;
    int i;

    if (!s->current_picture_ptr) return;

    render = (struct vdpau_render_state *)s->current_picture_ptr->f->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             = !ctx->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 == AV_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 AV_PICTURE_TYPE_B:
        next = (struct vdpau_render_state *)s->next_picture.f->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 AV_PICTURE_TYPE_P:
        last = (struct vdpau_render_state *)s->last_picture.f->data[0];
        assert(last);
        render->info.mpeg4.forward_reference      = last->surface;
    }

    ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);

    ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
    render->bitstream_buffers_used = 0;
}
#endif /* CONFIG_MPEG4_VDPAU_DECODER */

int av_vdpau_get_profile(AVCodecContext *avctx, VdpDecoderProfile *profile)
{
#define PROFILE(prof)       \
do {                        \
    *profile = prof;        \
    return 0;               \
} while (0)

    switch (avctx->codec_id) {
    case AV_CODEC_ID_MPEG1VIDEO:               PROFILE(VDP_DECODER_PROFILE_MPEG1);
    case AV_CODEC_ID_MPEG2VIDEO:
        switch (avctx->profile) {
        case FF_PROFILE_MPEG2_MAIN:            PROFILE(VDP_DECODER_PROFILE_MPEG2_MAIN);
        case FF_PROFILE_MPEG2_SIMPLE:          PROFILE(VDP_DECODER_PROFILE_MPEG2_SIMPLE);
        default:                               return AVERROR(EINVAL);
        }
    case AV_CODEC_ID_H263:                     PROFILE(VDP_DECODER_PROFILE_MPEG4_PART2_ASP);
    case AV_CODEC_ID_MPEG4:
        switch (avctx->profile) {
        case FF_PROFILE_MPEG4_SIMPLE:          PROFILE(VDP_DECODER_PROFILE_MPEG4_PART2_SP);
        case FF_PROFILE_MPEG4_ADVANCED_SIMPLE: PROFILE(VDP_DECODER_PROFILE_MPEG4_PART2_ASP);
        default:                               return AVERROR(EINVAL);
        }
    case AV_CODEC_ID_H264:
        switch (avctx->profile & ~FF_PROFILE_H264_INTRA) {
        case FF_PROFILE_H264_CONSTRAINED_BASELINE:
        case FF_PROFILE_H264_BASELINE:         PROFILE(VDP_DECODER_PROFILE_H264_BASELINE);
        case FF_PROFILE_H264_MAIN:             PROFILE(VDP_DECODER_PROFILE_H264_MAIN);
        case FF_PROFILE_H264_HIGH:             PROFILE(VDP_DECODER_PROFILE_H264_HIGH);
        default:                               return AVERROR(EINVAL);
        }
    case AV_CODEC_ID_WMV3:
    case AV_CODEC_ID_VC1:
        switch (avctx->profile) {
        case FF_PROFILE_VC1_SIMPLE:            PROFILE(VDP_DECODER_PROFILE_VC1_SIMPLE);
        case FF_PROFILE_VC1_MAIN:              PROFILE(VDP_DECODER_PROFILE_VC1_MAIN);
        case FF_PROFILE_VC1_ADVANCED:          PROFILE(VDP_DECODER_PROFILE_VC1_ADVANCED);
        default:                               return AVERROR(EINVAL);
        }
    }
    return AVERROR(EINVAL);
}

AVVDPAUContext *av_vdpau_alloc_context(void)
{
    return av_mallocz(sizeof(AVVDPAUContext));
}

/* @}*/
Commit	Line	Data
2ba45a60 DM	1	/*
	2	* Video Decode and Presentation API for UNIX (VDPAU) is used for
	3	* HW decode acceleration for MPEG-1/2, MPEG-4 ASP, H.264 and VC-1.
	4	*
	5	* Copyright (c) 2008 NVIDIA
	6	*
	7	* This file is part of FFmpeg.
	8	*
	9	* FFmpeg is free software; you can redistribute it and/or
	10	* modify it under the terms of the GNU Lesser General Public
	11	* License as published by the Free Software Foundation; either
	12	* version 2.1 of the License, or (at your option) any later version.
	13	*
	14	* FFmpeg is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	17	* Lesser General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU Lesser General Public
	20	* License along with FFmpeg; if not, write to the Free Software
	21	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	22	*/
	23
	24	#include <limits.h>
	25	#include "avcodec.h"
	26	#include "h264.h"
	27	#include "vc1.h"
	28
	29	#undef NDEBUG
	30	#include <assert.h>
	31
	32	#include "vdpau.h"
	33	#include "vdpau_internal.h"
	34
	35	/**
	36	* @addtogroup VDPAU_Decoding
	37	*
	38	* @{
	39	*/
	40
	41	AVVDPAUContext *av_alloc_vdpaucontext(void)
	42	{
	43	return av_vdpau_alloc_context();
	44	}
	45
	46	MAKE_ACCESSORS(AVVDPAUContext, vdpau_hwaccel, AVVDPAU_Render2, render2)
	47
	48	int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic_ctx,
	49	av_unused const uint8_t *buffer,
	50	av_unused uint32_t size)
	51	{
	52	pic_ctx->bitstream_buffers_allocated = 0;
	53	pic_ctx->bitstream_buffers_used = 0;
	54	pic_ctx->bitstream_buffers = NULL;
	55	return 0;
	56	}
	57
	58	#if CONFIG_H263_VDPAU_HWACCEL \|\| CONFIG_MPEG1_VDPAU_HWACCEL \|\| \
	59	CONFIG_MPEG2_VDPAU_HWACCEL \|\| CONFIG_MPEG4_VDPAU_HWACCEL \|\| \
	60	CONFIG_VC1_VDPAU_HWACCEL \|\| CONFIG_WMV3_VDPAU_HWACCEL
	61	int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
	62	{
	63	int res = 0;
	64	AVVDPAUContext *hwctx = avctx->hwaccel_context;
65	MpegEncContext *s = avctx->priv_data;
66	Picture *pic = s->current_picture_ptr;
67	struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
68	VdpVideoSurface surf = ff_vdpau_get_surface_id(pic->f);
69
70	#if FF_API_BUFS_VDPAU
71	FF_DISABLE_DEPRECATION_WARNINGS
72	hwctx->info = pic_ctx->info;
73	hwctx->bitstream_buffers = pic_ctx->bitstream_buffers;
74	hwctx->bitstream_buffers_used = pic_ctx->bitstream_buffers_used;
75	hwctx->bitstream_buffers_allocated = pic_ctx->bitstream_buffers_allocated;
76	FF_ENABLE_DEPRECATION_WARNINGS
77	#endif
78
79	if (!hwctx->render) {
80	res = hwctx->render2(avctx, pic->f, (void *)&pic_ctx->info,
81	pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
82	} else
83	hwctx->render(hwctx->decoder, surf, (void *)&pic_ctx->info,
84	pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
85
86	ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
87	av_freep(&pic_ctx->bitstream_buffers);
88
89	#if FF_API_BUFS_VDPAU
90	FF_DISABLE_DEPRECATION_WARNINGS
91	hwctx->bitstream_buffers = NULL;
92	hwctx->bitstream_buffers_used = 0;
93	hwctx->bitstream_buffers_allocated = 0;
94	FF_ENABLE_DEPRECATION_WARNINGS
95	#endif
96
97	return res;
98	}
99	#endif
100
101	int ff_vdpau_add_buffer(struct vdpau_picture_context *pic_ctx,
102	const uint8_t *buf, uint32_t size)
103	{
104	VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers;
105
106	buffers = av_fast_realloc(buffers, &pic_ctx->bitstream_buffers_allocated,
107	(pic_ctx->bitstream_buffers_used + 1) * sizeof(*buffers));
108	if (!buffers)
109	return AVERROR(ENOMEM);
110
111	pic_ctx->bitstream_buffers = buffers;
112	buffers += pic_ctx->bitstream_buffers_used++;
113
114	buffers->struct_version = VDP_BITSTREAM_BUFFER_VERSION;
115	buffers->bitstream = buf;
116	buffers->bitstream_bytes = size;
117	return 0;
118	}
119
120	/* Obsolete non-hwaccel VDPAU support below... */
121
122	void ff_vdpau_h264_set_reference_frames(H264Context *h)
123	{
124	struct vdpau_render_state render, render_ref;
125	VdpReferenceFrameH264 rf, rf2;
126	H264Picture *pic;
127	int i, list, pic_frame_idx;
128
129	render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
130	assert(render);
131
132	rf = &render->info.h264.referenceFrames[0];
133	#define H264_RF_COUNT FF_ARRAY_ELEMS(render->info.h264.referenceFrames)
134
135	for (list = 0; list < 2; ++list) {
136	H264Picture **lp = list ? h->long_ref : h->short_ref;
137	int ls = list ? 16 : h->short_ref_count;
138
139	for (i = 0; i < ls; ++i) {
140	pic = lp[i];
141	if (!pic \|\| !pic->reference)
142	continue;
143	pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
144
145	render_ref = (struct vdpau_render_state *)pic->f.data[0];
146	assert(render_ref);
147
148	rf2 = &render->info.h264.referenceFrames[0];
149	while (rf2 != rf) {
150	if (
151	(rf2->surface == render_ref->surface)
152	&& (rf2->is_long_term == pic->long_ref)
153	&& (rf2->frame_idx == pic_frame_idx)
154	)
155	break;
156	++rf2;
157	}
158	if (rf2 != rf) {
159	rf2->top_is_reference \|= (pic->reference & PICT_TOP_FIELD) ? VDP_TRUE : VDP_FALSE;
160	rf2->bottom_is_reference \|= (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
161	continue;
162	}
163
164	if (rf >= &render->info.h264.referenceFrames[H264_RF_COUNT])
165	continue;
166
167	rf->surface = render_ref->surface;
168	rf->is_long_term = pic->long_ref;
169	rf->top_is_reference = (pic->reference & PICT_TOP_FIELD) ? VDP_TRUE : VDP_FALSE;
170	rf->bottom_is_reference = (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
171	rf->field_order_cnt[0] = pic->field_poc[0];
172	rf->field_order_cnt[1] = pic->field_poc[1];
173	rf->frame_idx = pic_frame_idx;
174
175	++rf;
176	}
177	}
178
179	for (; rf < &render->info.h264.referenceFrames[H264_RF_COUNT]; ++rf) {
180	rf->surface = VDP_INVALID_HANDLE;
181	rf->is_long_term = 0;
182	rf->top_is_reference = 0;
183	rf->bottom_is_reference = 0;
184	rf->field_order_cnt[0] = 0;
185	rf->field_order_cnt[1] = 0;
186	rf->frame_idx = 0;
187	}
188	}
189
190	void ff_vdpau_add_data_chunk(uint8_t data, const uint8_t buf, int buf_size)
191	{
192	struct vdpau_render_state render = (struct vdpau_render_state)data;
193	assert(render);
194
195	render->bitstream_buffers= av_fast_realloc(
196	render->bitstream_buffers,
197	&render->bitstream_buffers_allocated,
198	sizeof(render->bitstream_buffers)(render->bitstream_buffers_used + 1)
199	);
200
201	render->bitstream_buffers[render->bitstream_buffers_used].struct_version = VDP_BITSTREAM_BUFFER_VERSION;
202	render->bitstream_buffers[render->bitstream_buffers_used].bitstream = buf;
203	render->bitstream_buffers[render->bitstream_buffers_used].bitstream_bytes = buf_size;
204	render->bitstream_buffers_used++;
205	}
206
207	#if CONFIG_H264_VDPAU_DECODER
208	void ff_vdpau_h264_picture_start(H264Context *h)
209	{
210	struct vdpau_render_state *render;
211	int i;
212
213	render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
214	assert(render);
215
216	for (i = 0; i < 2; ++i) {
217	int foc = h->cur_pic_ptr->field_poc[i];
218	if (foc == INT_MAX)
219	foc = 0;
220	render->info.h264.field_order_cnt[i] = foc;
221	}
222
223	render->info.h264.frame_num = h->frame_num;
224	}
225
226	void ff_vdpau_h264_picture_complete(H264Context *h)
227	{
228	struct vdpau_render_state *render;
229
230	render = (struct vdpau_render_state *)h->cur_pic_ptr->f.data[0];
231	assert(render);
232
233	render->info.h264.slice_count = h->slice_num;
234	if (render->info.h264.slice_count < 1)
235	return;
236
237	render->info.h264.is_reference = (h->cur_pic_ptr->reference & 3) ? VDP_TRUE : VDP_FALSE;
238	render->info.h264.field_pic_flag = h->picture_structure != PICT_FRAME;
239	render->info.h264.bottom_field_flag = h->picture_structure == PICT_BOTTOM_FIELD;
240	render->info.h264.num_ref_frames = h->sps.ref_frame_count;
241	render->info.h264.mb_adaptive_frame_field_flag = h->sps.mb_aff && !render->info.h264.field_pic_flag;
242	render->info.h264.constrained_intra_pred_flag = h->pps.constrained_intra_pred;
243	render->info.h264.weighted_pred_flag = h->pps.weighted_pred;
244	render->info.h264.weighted_bipred_idc = h->pps.weighted_bipred_idc;
245	render->info.h264.frame_mbs_only_flag = h->sps.frame_mbs_only_flag;
246	render->info.h264.transform_8x8_mode_flag = h->pps.transform_8x8_mode;
247	render->info.h264.chroma_qp_index_offset = h->pps.chroma_qp_index_offset[0];
248	render->info.h264.second_chroma_qp_index_offset = h->pps.chroma_qp_index_offset[1];
249	render->info.h264.pic_init_qp_minus26 = h->pps.init_qp - 26;
250	render->info.h264.num_ref_idx_l0_active_minus1 = h->pps.ref_count[0] - 1;
251	render->info.h264.num_ref_idx_l1_active_minus1 = h->pps.ref_count[1] - 1;
252	render->info.h264.log2_max_frame_num_minus4 = h->sps.log2_max_frame_num - 4;
253	render->info.h264.pic_order_cnt_type = h->sps.poc_type;
254	render->info.h264.log2_max_pic_order_cnt_lsb_minus4 = h->sps.poc_type ? 0 : h->sps.log2_max_poc_lsb - 4;
255	render->info.h264.delta_pic_order_always_zero_flag = h->sps.delta_pic_order_always_zero_flag;
256	render->info.h264.direct_8x8_inference_flag = h->sps.direct_8x8_inference_flag;
257	render->info.h264.entropy_coding_mode_flag = h->pps.cabac;
258	render->info.h264.pic_order_present_flag = h->pps.pic_order_present;
259	render->info.h264.deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present;
260	render->info.h264.redundant_pic_cnt_present_flag = h->pps.redundant_pic_cnt_present;
261	memcpy(render->info.h264.scaling_lists_4x4, h->pps.scaling_matrix4, sizeof(render->info.h264.scaling_lists_4x4));
262	memcpy(render->info.h264.scaling_lists_8x8[0], h->pps.scaling_matrix8[0], sizeof(render->info.h264.scaling_lists_8x8[0]));
263	memcpy(render->info.h264.scaling_lists_8x8[1], h->pps.scaling_matrix8[3], sizeof(render->info.h264.scaling_lists_8x8[0]));
264
265	ff_h264_draw_horiz_band(h, 0, h->avctx->height);
266	render->bitstream_buffers_used = 0;
267	}
268	#endif /* CONFIG_H264_VDPAU_DECODER */
269
270	#if CONFIG_MPEG_VDPAU_DECODER \|\| CONFIG_MPEG1_VDPAU_DECODER
271	void ff_vdpau_mpeg_picture_complete(MpegEncContext s, const uint8_t buf,
272	int buf_size, int slice_count)
273	{
274	struct vdpau_render_state render, last, *next;
275	int i;
276
277	if (!s->current_picture_ptr) return;
278
279	render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
280	assert(render);
281
282	/* fill VdpPictureInfoMPEG1Or2 struct */
283	render->info.mpeg.picture_structure = s->picture_structure;
284	render->info.mpeg.picture_coding_type = s->pict_type;
285	render->info.mpeg.intra_dc_precision = s->intra_dc_precision;
286	render->info.mpeg.frame_pred_frame_dct = s->frame_pred_frame_dct;
287	render->info.mpeg.concealment_motion_vectors = s->concealment_motion_vectors;
288	render->info.mpeg.intra_vlc_format = s->intra_vlc_format;
289	render->info.mpeg.alternate_scan = s->alternate_scan;
290	render->info.mpeg.q_scale_type = s->q_scale_type;
291	render->info.mpeg.top_field_first = s->top_field_first;
292	render->info.mpeg.full_pel_forward_vector = s->full_pel[0]; // MPEG-1 only. Set 0 for MPEG-2
293	render->info.mpeg.full_pel_backward_vector = s->full_pel[1]; // MPEG-1 only. Set 0 for MPEG-2
294	render->info.mpeg.f_code[0][0] = s->mpeg_f_code[0][0]; // For MPEG-1 fill both horiz. & vert.
295	render->info.mpeg.f_code[0][1] = s->mpeg_f_code[0][1];
296	render->info.mpeg.f_code[1][0] = s->mpeg_f_code[1][0];
297	render->info.mpeg.f_code[1][1] = s->mpeg_f_code[1][1];
298	for (i = 0; i < 64; ++i) {
299	render->info.mpeg.intra_quantizer_matrix[i] = s->intra_matrix[i];
300	render->info.mpeg.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
301	}
302
303	render->info.mpeg.forward_reference = VDP_INVALID_HANDLE;
304	render->info.mpeg.backward_reference = VDP_INVALID_HANDLE;
305
306	switch(s->pict_type){
307	case AV_PICTURE_TYPE_B:
308	next = (struct vdpau_render_state *)s->next_picture.f->data[0];
309	assert(next);
310	render->info.mpeg.backward_reference = next->surface;
311	// no return here, going to set forward prediction
312	case AV_PICTURE_TYPE_P:
313	last = (struct vdpau_render_state *)s->last_picture.f->data[0];
314	if (!last) // FIXME: Does this test make sense?
315	last = render; // predict second field from the first
316	render->info.mpeg.forward_reference = last->surface;
317	}
318
319	ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
320
321	render->info.mpeg.slice_count = slice_count;
322
323	if (slice_count)
324	ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
325	render->bitstream_buffers_used = 0;
326	}
327	#endif /* CONFIG_MPEG_VDPAU_DECODER \|\| CONFIG_MPEG1_VDPAU_DECODER */
328
329	#if CONFIG_VC1_VDPAU_DECODER
330	void ff_vdpau_vc1_decode_picture(MpegEncContext s, const uint8_t buf,
331	int buf_size)
332	{
333	VC1Context *v = s->avctx->priv_data;
334	struct vdpau_render_state render, last, *next;
335
336	render = (struct vdpau_render_state *)s->current_picture.f->data[0];
337	assert(render);
338
339	/* fill LvPictureInfoVC1 struct */
340	render->info.vc1.frame_coding_mode = v->fcm ? v->fcm + 1 : 0;
341	render->info.vc1.postprocflag = v->postprocflag;
342	render->info.vc1.pulldown = v->broadcast;
343	render->info.vc1.interlace = v->interlace;
344	render->info.vc1.tfcntrflag = v->tfcntrflag;
345	render->info.vc1.finterpflag = v->finterpflag;
346	render->info.vc1.psf = v->psf;
347	render->info.vc1.dquant = v->dquant;
348	render->info.vc1.panscan_flag = v->panscanflag;
349	render->info.vc1.refdist_flag = v->refdist_flag;
350	render->info.vc1.quantizer = v->quantizer_mode;
351	render->info.vc1.extended_mv = v->extended_mv;
352	render->info.vc1.extended_dmv = v->extended_dmv;
353	render->info.vc1.overlap = v->overlap;
354	render->info.vc1.vstransform = v->vstransform;
355	render->info.vc1.loopfilter = v->s.loop_filter;
356	render->info.vc1.fastuvmc = v->fastuvmc;
357	render->info.vc1.range_mapy_flag = v->range_mapy_flag;
358	render->info.vc1.range_mapy = v->range_mapy;
359	render->info.vc1.range_mapuv_flag = v->range_mapuv_flag;
360	render->info.vc1.range_mapuv = v->range_mapuv;
361	/* Specific to simple/main profile only */
362	render->info.vc1.multires = v->multires;
363	render->info.vc1.syncmarker = v->resync_marker;
364	render->info.vc1.rangered = v->rangered \| (v->rangeredfrm << 1);
365	render->info.vc1.maxbframes = v->s.max_b_frames;
366
367	render->info.vc1.deblockEnable = v->postprocflag & 1;
368	render->info.vc1.pquant = v->pq;
369
370	render->info.vc1.forward_reference = VDP_INVALID_HANDLE;
371	render->info.vc1.backward_reference = VDP_INVALID_HANDLE;
372
373	if (v->bi_type)
374	render->info.vc1.picture_type = 4;
375	else
376	render->info.vc1.picture_type = s->pict_type - 1 + s->pict_type / 3;
377
378	switch(s->pict_type){
379	case AV_PICTURE_TYPE_B:
380	next = (struct vdpau_render_state *)s->next_picture.f->data[0];
381	assert(next);
382	render->info.vc1.backward_reference = next->surface;
383	// no break here, going to set forward prediction
384	case AV_PICTURE_TYPE_P:
385	last = (struct vdpau_render_state *)s->last_picture.f->data[0];
386	if (!last) // FIXME: Does this test make sense?
387	last = render; // predict second field from the first
388	render->info.vc1.forward_reference = last->surface;
389	}
390
391	ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
392
393	render->info.vc1.slice_count = 1;
394
395	ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
396	render->bitstream_buffers_used = 0;
397	}
398	#endif /* (CONFIG_VC1_VDPAU_DECODER */
399
400	#if CONFIG_MPEG4_VDPAU_DECODER
401	void ff_vdpau_mpeg4_decode_picture(Mpeg4DecContext ctx, const uint8_t buf,
402	int buf_size)
403	{
404	MpegEncContext *s = &ctx->m;
405	struct vdpau_render_state render, last, *next;
406	int i;
407
408	if (!s->current_picture_ptr) return;
409
410	render = (struct vdpau_render_state *)s->current_picture_ptr->f->data[0];
411	assert(render);
412
413	/* fill VdpPictureInfoMPEG4Part2 struct */
414	render->info.mpeg4.trd[0] = s->pp_time;
415	render->info.mpeg4.trb[0] = s->pb_time;
416	render->info.mpeg4.trd[1] = s->pp_field_time >> 1;
417	render->info.mpeg4.trb[1] = s->pb_field_time >> 1;
418	render->info.mpeg4.vop_time_increment_resolution = s->avctx->time_base.den;
419	render->info.mpeg4.vop_coding_type = 0;
420	render->info.mpeg4.vop_fcode_forward = s->f_code;
421	render->info.mpeg4.vop_fcode_backward = s->b_code;
422	render->info.mpeg4.resync_marker_disable = !ctx->resync_marker;
423	render->info.mpeg4.interlaced = !s->progressive_sequence;
424	render->info.mpeg4.quant_type = s->mpeg_quant;
425	render->info.mpeg4.quarter_sample = s->quarter_sample;
426	render->info.mpeg4.short_video_header = s->avctx->codec->id == AV_CODEC_ID_H263;
427	render->info.mpeg4.rounding_control = s->no_rounding;
428	render->info.mpeg4.alternate_vertical_scan_flag = s->alternate_scan;
429	render->info.mpeg4.top_field_first = s->top_field_first;
430	for (i = 0; i < 64; ++i) {
431	render->info.mpeg4.intra_quantizer_matrix[i] = s->intra_matrix[i];
432	render->info.mpeg4.non_intra_quantizer_matrix[i] = s->inter_matrix[i];
433	}
434	render->info.mpeg4.forward_reference = VDP_INVALID_HANDLE;
435	render->info.mpeg4.backward_reference = VDP_INVALID_HANDLE;
436
437	switch (s->pict_type) {
438	case AV_PICTURE_TYPE_B:
439	next = (struct vdpau_render_state *)s->next_picture.f->data[0];
440	assert(next);
441	render->info.mpeg4.backward_reference = next->surface;
442	render->info.mpeg4.vop_coding_type = 2;
443	// no break here, going to set forward prediction
444	case AV_PICTURE_TYPE_P:
445	last = (struct vdpau_render_state *)s->last_picture.f->data[0];
446	assert(last);
447	render->info.mpeg4.forward_reference = last->surface;
448	}
449
450	ff_vdpau_add_data_chunk(s->current_picture_ptr->f->data[0], buf, buf_size);
451
452	ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
453	render->bitstream_buffers_used = 0;
454	}
455	#endif /* CONFIG_MPEG4_VDPAU_DECODER */
456
457	int av_vdpau_get_profile(AVCodecContext avctx, VdpDecoderProfile profile)
458	{
459	#define PROFILE(prof) \
460	do { \
461	*profile = prof; \
462	return 0; \
463	} while (0)
464
465	switch (avctx->codec_id) {
466	case AV_CODEC_ID_MPEG1VIDEO: PROFILE(VDP_DECODER_PROFILE_MPEG1);
467	case AV_CODEC_ID_MPEG2VIDEO:
468	switch (avctx->profile) {
469	case FF_PROFILE_MPEG2_MAIN: PROFILE(VDP_DECODER_PROFILE_MPEG2_MAIN);
470	case FF_PROFILE_MPEG2_SIMPLE: PROFILE(VDP_DECODER_PROFILE_MPEG2_SIMPLE);
471	default: return AVERROR(EINVAL);
472	}
473	case AV_CODEC_ID_H263: PROFILE(VDP_DECODER_PROFILE_MPEG4_PART2_ASP);
474	case AV_CODEC_ID_MPEG4:
475	switch (avctx->profile) {
476	case FF_PROFILE_MPEG4_SIMPLE: PROFILE(VDP_DECODER_PROFILE_MPEG4_PART2_SP);
477	case FF_PROFILE_MPEG4_ADVANCED_SIMPLE: PROFILE(VDP_DECODER_PROFILE_MPEG4_PART2_ASP);
478	default: return AVERROR(EINVAL);
479	}
480	case AV_CODEC_ID_H264:
481	switch (avctx->profile & ~FF_PROFILE_H264_INTRA) {
482	case FF_PROFILE_H264_CONSTRAINED_BASELINE:
483	case FF_PROFILE_H264_BASELINE: PROFILE(VDP_DECODER_PROFILE_H264_BASELINE);
484	case FF_PROFILE_H264_MAIN: PROFILE(VDP_DECODER_PROFILE_H264_MAIN);
485	case FF_PROFILE_H264_HIGH: PROFILE(VDP_DECODER_PROFILE_H264_HIGH);
486	default: return AVERROR(EINVAL);
487	}
488	case AV_CODEC_ID_WMV3:
489	case AV_CODEC_ID_VC1:
490	switch (avctx->profile) {
491	case FF_PROFILE_VC1_SIMPLE: PROFILE(VDP_DECODER_PROFILE_VC1_SIMPLE);
492	case FF_PROFILE_VC1_MAIN: PROFILE(VDP_DECODER_PROFILE_VC1_MAIN);
493	case FF_PROFILE_VC1_ADVANCED: PROFILE(VDP_DECODER_PROFILE_VC1_ADVANCED);
494	default: return AVERROR(EINVAL);
495	}
496	}
497	return AVERROR(EINVAL);
498	}
499
500	AVVDPAUContext *av_vdpau_alloc_context(void)
501	{
502	return av_mallocz(sizeof(AVVDPAUContext));
503	}
504
505	/* @}*/