| /* |
| * 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" |
| |
| struct dxva2_picture_context { |
| DXVA_PictureParameters pp; |
| DXVA_SliceInfo si; |
| |
| 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); |
| slice->wNumberMBsInSlice = s->mb_width * s->mb_height; /* XXX We assume 1 slice */ |
| 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; |
| |
| DXVA_SliceInfo *slice = &ctx_pic->si; |
| |
| 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 slice_size = slice->dwSliceBitsInBuffer / 8; |
| const unsigned padding = 128 - ((start_code_size + slice_size) & 127); |
| const unsigned data_size = start_code_size + slice_size + padding; |
| |
| void *dxva_data_ptr; |
| uint8_t *dxva_data; |
| unsigned dxva_size; |
| int result; |
| 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; |
| result = data_size <= dxva_size ? 0 : -1; |
| if (!result) { |
| if (start_code_size > 0) { |
| memcpy(dxva_data, start_code, start_code_size); |
| if (v->second_field) |
| dxva_data[3] = 0x0c; |
| } |
| memcpy(dxva_data + start_code_size, |
| ctx_pic->bitstream + slice->dwSliceDataLocation, slice_size); |
| if (padding > 0) |
| memset(dxva_data + start_code_size + slice_size, 0, padding); |
| slice->dwSliceBitsInBuffer = 8 * data_size; |
| } |
| #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 (result) |
| return result; |
| |
| #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 = data_size; |
| dsc11->NumMBsInBuffer = s->mb_width * s->mb_height; |
| |
| 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 = data_size; |
| dsc2->NumMBsInBuffer = s->mb_width * s->mb_height; |
| |
| type = DXVA2_SliceControlBufferType; |
| } |
| #endif |
| assert((data_size & 127) == 0); |
| |
| return ff_dxva2_commit_buffer(avctx, ctx, sc, |
| type, |
| slice, sizeof(*slice), s->mb_width * s->mb_height); |
| } |
| |
| 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_DECODER(avctx, ctx) == NULL || |
| DXVA_CONTEXT_CFG(avctx, ctx) == NULL || |
| DXVA_CONTEXT_COUNT(avctx, ctx) <= 0) |
| return -1; |
| assert(ctx_pic); |
| |
| fill_picture_parameters(avctx, ctx, v, &ctx_pic->pp); |
| |
| 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; |
| |
| if (ctx_pic->bitstream_size > 0) |
| return -1; |
| |
| if (avctx->codec_id == AV_CODEC_ID_VC1 && |
| size >= 4 && IS_MARKER(AV_RB32(buffer))) { |
| buffer += 4; |
| size -= 4; |
| } |
| |
| ctx_pic->bitstream_size = size; |
| ctx_pic->bitstream = buffer; |
| |
| fill_slice(avctx, &ctx_pic->si, 0, 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->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 |
