mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-12 19:18:44 +02:00
431 lines
17 KiB
C
431 lines
17 KiB
C
/*
|
|
* DXVA2 WMV3/VC-1 HW acceleration.
|
|
*
|
|
* copyright (c) 2010 Laurent Aimar
|
|
*
|
|
* 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 "mpegutils.h"
|
|
#include "vc1.h"
|
|
#include "vc1data.h"
|
|
|
|
// The headers above may include w32threads.h, which uses the original
|
|
// _WIN32_WINNT define, while dxva2_internal.h redefines it to target a
|
|
// potentially newer version.
|
|
#include "dxva2_internal.h"
|
|
|
|
#define MAX_SLICES 1024
|
|
struct dxva2_picture_context {
|
|
DXVA_PictureParameters pp;
|
|
unsigned slice_count;
|
|
DXVA_SliceInfo slice[MAX_SLICES];
|
|
|
|
const uint8_t *bitstream;
|
|
unsigned bitstream_size;
|
|
};
|
|
|
|
static void fill_picture_parameters(AVCodecContext *avctx,
|
|
AVDXVAContext *ctx, const VC1Context *v,
|
|
DXVA_PictureParameters *pp)
|
|
{
|
|
const MpegEncContext *s = &v->s;
|
|
const Picture *current_picture = s->current_picture_ptr;
|
|
int intcomp = 0;
|
|
|
|
// determine if intensity compensation is needed
|
|
if (s->pict_type == AV_PICTURE_TYPE_P) {
|
|
if ((v->fcm == ILACE_FRAME && v->intcomp) || (v->fcm != ILACE_FRAME && v->mv_mode == MV_PMODE_INTENSITY_COMP)) {
|
|
if (v->lumscale != 32 || v->lumshift != 0 || (s->picture_structure != PICT_FRAME && (v->lumscale2 != 32 || v->lumshift2 != 0)))
|
|
intcomp = 1;
|
|
}
|
|
}
|
|
|
|
memset(pp, 0, sizeof(*pp));
|
|
pp->wDecodedPictureIndex =
|
|
pp->wDeblockedPictureIndex = ff_dxva2_get_surface_index(avctx, ctx, current_picture->f);
|
|
if (s->pict_type != AV_PICTURE_TYPE_I && !v->bi_type)
|
|
pp->wForwardRefPictureIndex = ff_dxva2_get_surface_index(avctx, ctx, s->last_picture.f);
|
|
else
|
|
pp->wForwardRefPictureIndex = 0xffff;
|
|
if (s->pict_type == AV_PICTURE_TYPE_B && !v->bi_type)
|
|
pp->wBackwardRefPictureIndex = ff_dxva2_get_surface_index(avctx, ctx, s->next_picture.f);
|
|
else
|
|
pp->wBackwardRefPictureIndex = 0xffff;
|
|
if (v->profile == PROFILE_ADVANCED) {
|
|
/* It is the cropped width/height -1 of the frame */
|
|
pp->wPicWidthInMBminus1 = avctx->width - 1;
|
|
pp->wPicHeightInMBminus1= avctx->height - 1;
|
|
} else {
|
|
/* It is the coded width/height in macroblock -1 of the frame */
|
|
pp->wPicWidthInMBminus1 = s->mb_width - 1;
|
|
pp->wPicHeightInMBminus1= s->mb_height - 1;
|
|
}
|
|
pp->bMacroblockWidthMinus1 = 15;
|
|
pp->bMacroblockHeightMinus1 = 15;
|
|
pp->bBlockWidthMinus1 = 7;
|
|
pp->bBlockHeightMinus1 = 7;
|
|
pp->bBPPminus1 = 7;
|
|
if (s->picture_structure & PICT_TOP_FIELD)
|
|
pp->bPicStructure |= 0x01;
|
|
if (s->picture_structure & PICT_BOTTOM_FIELD)
|
|
pp->bPicStructure |= 0x02;
|
|
pp->bSecondField = v->interlace && v->fcm == ILACE_FIELD && v->second_field;
|
|
pp->bPicIntra = s->pict_type == AV_PICTURE_TYPE_I || v->bi_type;
|
|
pp->bPicBackwardPrediction = s->pict_type == AV_PICTURE_TYPE_B && !v->bi_type;
|
|
pp->bBidirectionalAveragingMode = (1 << 7) |
|
|
((DXVA_CONTEXT_CFG_INTRARESID(avctx, ctx) != 0) << 6) |
|
|
((DXVA_CONTEXT_CFG_RESIDACCEL(avctx, ctx) != 0) << 5) |
|
|
(intcomp << 4) |
|
|
((v->profile == PROFILE_ADVANCED) << 3);
|
|
pp->bMVprecisionAndChromaRelation = ((v->mv_mode == MV_PMODE_1MV_HPEL_BILIN) << 3) |
|
|
(1 << 2) |
|
|
(0 << 1) |
|
|
(!s->quarter_sample );
|
|
pp->bChromaFormat = v->chromaformat;
|
|
DXVA_CONTEXT_REPORT_ID(avctx, ctx)++;
|
|
if (DXVA_CONTEXT_REPORT_ID(avctx, ctx) >= (1 << 16))
|
|
DXVA_CONTEXT_REPORT_ID(avctx, ctx) = 1;
|
|
pp->bPicScanFixed = DXVA_CONTEXT_REPORT_ID(avctx, ctx) >> 8;
|
|
pp->bPicScanMethod = DXVA_CONTEXT_REPORT_ID(avctx, ctx) & 0xff;
|
|
pp->bPicReadbackRequests = 0;
|
|
pp->bRcontrol = v->rnd;
|
|
pp->bPicSpatialResid8 = (v->panscanflag << 7) |
|
|
(v->refdist_flag << 6) |
|
|
(s->loop_filter << 5) |
|
|
(v->fastuvmc << 4) |
|
|
(v->extended_mv << 3) |
|
|
(v->dquant << 1) |
|
|
(v->vstransform );
|
|
pp->bPicOverflowBlocks = (v->quantizer_mode << 6) |
|
|
(v->multires << 5) |
|
|
(v->resync_marker << 4) |
|
|
(v->rangered << 3) |
|
|
(s->max_b_frames );
|
|
pp->bPicExtrapolation = (!v->interlace || v->fcm == PROGRESSIVE) ? 1 : 2;
|
|
pp->bPicDeblocked = ((!pp->bPicBackwardPrediction && v->overlap) << 6) |
|
|
((v->profile != PROFILE_ADVANCED && v->rangeredfrm) << 5) |
|
|
(s->loop_filter << 1);
|
|
pp->bPicDeblockConfined = (v->postprocflag << 7) |
|
|
(v->broadcast << 6) |
|
|
(v->interlace << 5) |
|
|
(v->tfcntrflag << 4) |
|
|
(v->finterpflag << 3) |
|
|
((s->pict_type != AV_PICTURE_TYPE_B) << 2) |
|
|
(v->psf << 1) |
|
|
(v->extended_dmv );
|
|
if (s->pict_type != AV_PICTURE_TYPE_I)
|
|
pp->bPic4MVallowed = v->mv_mode == MV_PMODE_MIXED_MV ||
|
|
(v->mv_mode == MV_PMODE_INTENSITY_COMP &&
|
|
v->mv_mode2 == MV_PMODE_MIXED_MV);
|
|
if (v->profile == PROFILE_ADVANCED)
|
|
pp->bPicOBMC = (v->range_mapy_flag << 7) |
|
|
(v->range_mapy << 4) |
|
|
(v->range_mapuv_flag << 3) |
|
|
(v->range_mapuv );
|
|
pp->bPicBinPB = 0;
|
|
pp->bMV_RPS = (v->fcm == ILACE_FIELD && pp->bPicBackwardPrediction) ? v->refdist + 9 : 0;
|
|
pp->bReservedBits = v->pq;
|
|
if (s->picture_structure == PICT_FRAME) {
|
|
if (intcomp) {
|
|
pp->wBitstreamFcodes = v->lumscale;
|
|
pp->wBitstreamPCEelements = v->lumshift;
|
|
} else {
|
|
pp->wBitstreamFcodes = 32;
|
|
pp->wBitstreamPCEelements = 0;
|
|
}
|
|
} else {
|
|
/* Syntax: (top_field_param << 8) | bottom_field_param */
|
|
if (intcomp) {
|
|
pp->wBitstreamFcodes = (v->lumscale << 8) | v->lumscale2;
|
|
pp->wBitstreamPCEelements = (v->lumshift << 8) | v->lumshift2;
|
|
} else {
|
|
pp->wBitstreamFcodes = (32 << 8) | 32;
|
|
pp->wBitstreamPCEelements = 0;
|
|
}
|
|
}
|
|
pp->bBitstreamConcealmentNeed = 0;
|
|
pp->bBitstreamConcealmentMethod = 0;
|
|
}
|
|
|
|
static void fill_slice(AVCodecContext *avctx, DXVA_SliceInfo *slice,
|
|
unsigned position, unsigned size)
|
|
{
|
|
const VC1Context *v = avctx->priv_data;
|
|
const MpegEncContext *s = &v->s;
|
|
|
|
memset(slice, 0, sizeof(*slice));
|
|
slice->wHorizontalPosition = 0;
|
|
slice->wVerticalPosition = s->mb_y;
|
|
slice->dwSliceBitsInBuffer = 8 * size;
|
|
slice->dwSliceDataLocation = position;
|
|
slice->bStartCodeBitOffset = 0;
|
|
slice->bReservedBits = (s->pict_type == AV_PICTURE_TYPE_B && !v->bi_type) ? v->bfraction_lut_index + 9 : 0;
|
|
slice->wMBbitOffset = v->p_frame_skipped ? 0xffff : get_bits_count(&s->gb) + (avctx->codec_id == AV_CODEC_ID_VC1 ? 32 : 0);
|
|
/* XXX We store the index of the first MB and it will be fixed later */
|
|
slice->wNumberMBsInSlice = (s->mb_y >> v->field_mode) * s->mb_width + s->mb_x;
|
|
slice->wQuantizerScaleCode = v->pq;
|
|
slice->wBadSliceChopping = 0;
|
|
}
|
|
|
|
static int commit_bitstream_and_slice_buffer(AVCodecContext *avctx,
|
|
DECODER_BUFFER_DESC *bs,
|
|
DECODER_BUFFER_DESC *sc)
|
|
{
|
|
const VC1Context *v = avctx->priv_data;
|
|
AVDXVAContext *ctx = avctx->hwaccel_context;
|
|
const MpegEncContext *s = &v->s;
|
|
struct dxva2_picture_context *ctx_pic = s->current_picture_ptr->hwaccel_picture_private;
|
|
|
|
static const uint8_t start_code[] = { 0, 0, 1, 0x0d };
|
|
const unsigned start_code_size = avctx->codec_id == AV_CODEC_ID_VC1 ? sizeof(start_code) : 0;
|
|
const unsigned mb_count = s->mb_width * (s->mb_height >> v->field_mode);
|
|
DXVA_SliceInfo *slice = NULL;
|
|
void *dxva_data_ptr;
|
|
uint8_t *dxva_data, *current, *end;
|
|
unsigned dxva_size;
|
|
unsigned padding;
|
|
unsigned i;
|
|
unsigned type;
|
|
|
|
#if CONFIG_D3D11VA
|
|
if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
|
|
type = D3D11_VIDEO_DECODER_BUFFER_BITSTREAM;
|
|
if (FAILED(ID3D11VideoContext_GetDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context,
|
|
D3D11VA_CONTEXT(ctx)->decoder,
|
|
type,
|
|
&dxva_size, &dxva_data_ptr)))
|
|
return -1;
|
|
}
|
|
#endif
|
|
#if CONFIG_DXVA2
|
|
if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
|
|
type = DXVA2_BitStreamDateBufferType;
|
|
if (FAILED(IDirectXVideoDecoder_GetBuffer(DXVA2_CONTEXT(ctx)->decoder,
|
|
type,
|
|
&dxva_data_ptr, &dxva_size)))
|
|
return -1;
|
|
}
|
|
#endif
|
|
|
|
dxva_data = dxva_data_ptr;
|
|
current = dxva_data;
|
|
end = dxva_data + dxva_size;
|
|
|
|
for (i = 0; i < ctx_pic->slice_count; i++) {
|
|
unsigned position, size;
|
|
slice = &ctx_pic->slice[i];
|
|
position = slice->dwSliceDataLocation;
|
|
size = slice->dwSliceBitsInBuffer / 8;
|
|
if (start_code_size + size > end - current) {
|
|
av_log(avctx, AV_LOG_ERROR, "Failed to build bitstream");
|
|
break;
|
|
}
|
|
slice->dwSliceDataLocation = current - dxva_data;
|
|
|
|
if (i < ctx_pic->slice_count - 1)
|
|
slice->wNumberMBsInSlice =
|
|
slice[1].wNumberMBsInSlice - slice[0].wNumberMBsInSlice;
|
|
else
|
|
slice->wNumberMBsInSlice =
|
|
mb_count - slice[0].wNumberMBsInSlice;
|
|
|
|
/* write the appropriate frame, field or slice start code */
|
|
if (start_code_size) {
|
|
memcpy(current, start_code, start_code_size);
|
|
if (i == 0 && v->second_field)
|
|
current[3] = 0x0c;
|
|
else if (i > 0)
|
|
current[3] = 0x0b;
|
|
|
|
current += start_code_size;
|
|
slice->dwSliceBitsInBuffer += start_code_size * 8;
|
|
}
|
|
|
|
memcpy(current, &ctx_pic->bitstream[position], size);
|
|
current += size;
|
|
}
|
|
padding = FFMIN(128 - ((current - dxva_data) & 127), end - current);
|
|
if (slice && padding > 0) {
|
|
memset(current, 0, padding);
|
|
current += padding;
|
|
slice->dwSliceBitsInBuffer += padding * 8;
|
|
}
|
|
|
|
#if CONFIG_D3D11VA
|
|
if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD)
|
|
if (FAILED(ID3D11VideoContext_ReleaseDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder, type)))
|
|
return -1;
|
|
#endif
|
|
#if CONFIG_DXVA2
|
|
if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
|
|
if (FAILED(IDirectXVideoDecoder_ReleaseBuffer(DXVA2_CONTEXT(ctx)->decoder, type)))
|
|
return -1;
|
|
#endif
|
|
if (i < ctx_pic->slice_count)
|
|
return -1;
|
|
|
|
#if CONFIG_D3D11VA
|
|
if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
|
|
D3D11_VIDEO_DECODER_BUFFER_DESC *dsc11 = bs;
|
|
memset(dsc11, 0, sizeof(*dsc11));
|
|
dsc11->BufferType = type;
|
|
dsc11->DataSize = current - dxva_data;
|
|
dsc11->NumMBsInBuffer = mb_count;
|
|
|
|
type = D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL;
|
|
}
|
|
#endif
|
|
#if CONFIG_DXVA2
|
|
if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
|
|
DXVA2_DecodeBufferDesc *dsc2 = bs;
|
|
memset(dsc2, 0, sizeof(*dsc2));
|
|
dsc2->CompressedBufferType = type;
|
|
dsc2->DataSize = current - dxva_data;
|
|
dsc2->NumMBsInBuffer = mb_count;
|
|
|
|
type = DXVA2_SliceControlBufferType;
|
|
}
|
|
#endif
|
|
|
|
return ff_dxva2_commit_buffer(avctx, ctx, sc,
|
|
type,
|
|
ctx_pic->slice,
|
|
ctx_pic->slice_count * sizeof(*ctx_pic->slice),
|
|
mb_count);
|
|
}
|
|
|
|
static int dxva2_vc1_start_frame(AVCodecContext *avctx,
|
|
av_unused const uint8_t *buffer,
|
|
av_unused uint32_t size)
|
|
{
|
|
const VC1Context *v = avctx->priv_data;
|
|
AVDXVAContext *ctx = avctx->hwaccel_context;
|
|
struct dxva2_picture_context *ctx_pic = v->s.current_picture_ptr->hwaccel_picture_private;
|
|
|
|
if (!DXVA_CONTEXT_VALID(avctx, ctx))
|
|
return -1;
|
|
assert(ctx_pic);
|
|
|
|
fill_picture_parameters(avctx, ctx, v, &ctx_pic->pp);
|
|
|
|
ctx_pic->slice_count = 0;
|
|
ctx_pic->bitstream_size = 0;
|
|
ctx_pic->bitstream = NULL;
|
|
return 0;
|
|
}
|
|
|
|
static int dxva2_vc1_decode_slice(AVCodecContext *avctx,
|
|
const uint8_t *buffer,
|
|
uint32_t size)
|
|
{
|
|
const VC1Context *v = avctx->priv_data;
|
|
const Picture *current_picture = v->s.current_picture_ptr;
|
|
struct dxva2_picture_context *ctx_pic = current_picture->hwaccel_picture_private;
|
|
unsigned position;
|
|
|
|
if (ctx_pic->slice_count >= MAX_SLICES) {
|
|
avpriv_request_sample(avctx, "%d slices in dxva2",
|
|
ctx_pic->slice_count);
|
|
return -1;
|
|
}
|
|
|
|
if (avctx->codec_id == AV_CODEC_ID_VC1 &&
|
|
size >= 4 && IS_MARKER(AV_RB32(buffer))) {
|
|
buffer += 4;
|
|
size -= 4;
|
|
}
|
|
|
|
if (!ctx_pic->bitstream)
|
|
ctx_pic->bitstream = buffer;
|
|
ctx_pic->bitstream_size += size;
|
|
|
|
position = buffer - ctx_pic->bitstream;
|
|
fill_slice(avctx, &ctx_pic->slice[ctx_pic->slice_count++], position, size);
|
|
return 0;
|
|
}
|
|
|
|
static int dxva2_vc1_end_frame(AVCodecContext *avctx)
|
|
{
|
|
VC1Context *v = avctx->priv_data;
|
|
struct dxva2_picture_context *ctx_pic = v->s.current_picture_ptr->hwaccel_picture_private;
|
|
int ret;
|
|
|
|
if (ctx_pic->slice_count <= 0 || ctx_pic->bitstream_size <= 0)
|
|
return -1;
|
|
|
|
ret = ff_dxva2_common_end_frame(avctx, v->s.current_picture_ptr->f,
|
|
&ctx_pic->pp, sizeof(ctx_pic->pp),
|
|
NULL, 0,
|
|
commit_bitstream_and_slice_buffer);
|
|
if (!ret)
|
|
ff_mpeg_draw_horiz_band(&v->s, 0, avctx->height);
|
|
return ret;
|
|
}
|
|
|
|
#if CONFIG_WMV3_DXVA2_HWACCEL
|
|
AVHWAccel ff_wmv3_dxva2_hwaccel = {
|
|
.name = "wmv3_dxva2",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_WMV3,
|
|
.pix_fmt = AV_PIX_FMT_DXVA2_VLD,
|
|
.start_frame = dxva2_vc1_start_frame,
|
|
.decode_slice = dxva2_vc1_decode_slice,
|
|
.end_frame = dxva2_vc1_end_frame,
|
|
.frame_priv_data_size = sizeof(struct dxva2_picture_context),
|
|
};
|
|
#endif
|
|
|
|
#if CONFIG_VC1_DXVA2_HWACCEL
|
|
AVHWAccel ff_vc1_dxva2_hwaccel = {
|
|
.name = "vc1_dxva2",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_VC1,
|
|
.pix_fmt = AV_PIX_FMT_DXVA2_VLD,
|
|
.start_frame = dxva2_vc1_start_frame,
|
|
.decode_slice = dxva2_vc1_decode_slice,
|
|
.end_frame = dxva2_vc1_end_frame,
|
|
.frame_priv_data_size = sizeof(struct dxva2_picture_context),
|
|
};
|
|
#endif
|
|
|
|
#if CONFIG_WMV3_D3D11VA_HWACCEL
|
|
AVHWAccel ff_wmv3_d3d11va_hwaccel = {
|
|
.name = "wmv3_d3d11va",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_WMV3,
|
|
.pix_fmt = AV_PIX_FMT_D3D11VA_VLD,
|
|
.start_frame = dxva2_vc1_start_frame,
|
|
.decode_slice = dxva2_vc1_decode_slice,
|
|
.end_frame = dxva2_vc1_end_frame,
|
|
.frame_priv_data_size = sizeof(struct dxva2_picture_context),
|
|
};
|
|
#endif
|
|
|
|
#if CONFIG_VC1_D3D11VA_HWACCEL
|
|
AVHWAccel ff_vc1_d3d11va_hwaccel = {
|
|
.name = "vc1_d3d11va",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_VC1,
|
|
.pix_fmt = AV_PIX_FMT_D3D11VA_VLD,
|
|
.start_frame = dxva2_vc1_start_frame,
|
|
.decode_slice = dxva2_vc1_decode_slice,
|
|
.end_frame = dxva2_vc1_end_frame,
|
|
.frame_priv_data_size = sizeof(struct dxva2_picture_context),
|
|
};
|
|
#endif
|