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https://github.com/pineappleEA/pineapple-src.git
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357 lines
13 KiB
C
Executable File
357 lines
13 KiB
C
Executable File
/*
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* DXVA2 VP9 HW acceleration.
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*
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* copyright (c) 2015 Hendrik Leppkes
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/avassert.h"
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#include "libavutil/pixdesc.h"
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#include "dxva2_internal.h"
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#include "vp9shared.h"
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struct vp9_dxva2_picture_context {
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DXVA_PicParams_VP9 pp;
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DXVA_Slice_VPx_Short slice;
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const uint8_t *bitstream;
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unsigned bitstream_size;
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};
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static void fill_picture_entry(DXVA_PicEntry_VPx *pic,
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unsigned index, unsigned flag)
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{
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av_assert0((index & 0x7f) == index && (flag & 0x01) == flag);
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pic->bPicEntry = index | (flag << 7);
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}
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static int fill_picture_parameters(const AVCodecContext *avctx, AVDXVAContext *ctx, const VP9SharedContext *h,
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DXVA_PicParams_VP9 *pp)
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{
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int i;
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const AVPixFmtDescriptor * pixdesc = av_pix_fmt_desc_get(avctx->sw_pix_fmt);
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if (!pixdesc)
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return -1;
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memset(pp, 0, sizeof(*pp));
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fill_picture_entry(&pp->CurrPic, ff_dxva2_get_surface_index(avctx, ctx, h->frames[CUR_FRAME].tf.f), 0);
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pp->profile = h->h.profile;
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pp->wFormatAndPictureInfoFlags = ((h->h.keyframe == 0) << 0) |
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((h->h.invisible == 0) << 1) |
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(h->h.errorres << 2) |
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(pixdesc->log2_chroma_w << 3) | /* subsampling_x */
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(pixdesc->log2_chroma_h << 4) | /* subsampling_y */
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(0 << 5) | /* extra_plane */
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(h->h.refreshctx << 6) |
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(h->h.parallelmode << 7) |
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(h->h.intraonly << 8) |
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(h->h.framectxid << 9) |
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(h->h.resetctx << 11) |
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((h->h.keyframe ? 0 : h->h.highprecisionmvs) << 13) |
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(0 << 14); /* ReservedFormatInfo2Bits */
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pp->width = avctx->width;
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pp->height = avctx->height;
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pp->BitDepthMinus8Luma = pixdesc->comp[0].depth - 8;
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pp->BitDepthMinus8Chroma = pixdesc->comp[1].depth - 8;
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/* swap 0/1 to match the reference */
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pp->interp_filter = h->h.filtermode ^ (h->h.filtermode <= 1);
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pp->Reserved8Bits = 0;
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for (i = 0; i < 8; i++) {
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if (h->refs[i].f->buf[0]) {
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fill_picture_entry(&pp->ref_frame_map[i], ff_dxva2_get_surface_index(avctx, ctx, h->refs[i].f), 0);
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pp->ref_frame_coded_width[i] = h->refs[i].f->width;
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pp->ref_frame_coded_height[i] = h->refs[i].f->height;
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} else
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pp->ref_frame_map[i].bPicEntry = 0xFF;
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}
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for (i = 0; i < 3; i++) {
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uint8_t refidx = h->h.refidx[i];
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if (h->refs[refidx].f->buf[0])
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fill_picture_entry(&pp->frame_refs[i], ff_dxva2_get_surface_index(avctx, ctx, h->refs[refidx].f), 0);
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else
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pp->frame_refs[i].bPicEntry = 0xFF;
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pp->ref_frame_sign_bias[i + 1] = h->h.signbias[i];
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}
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pp->filter_level = h->h.filter.level;
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pp->sharpness_level = h->h.filter.sharpness;
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pp->wControlInfoFlags = (h->h.lf_delta.enabled << 0) |
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(h->h.lf_delta.updated << 1) |
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(h->h.use_last_frame_mvs << 2) |
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(0 << 3); /* ReservedControlInfo5Bits */
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for (i = 0; i < 4; i++)
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pp->ref_deltas[i] = h->h.lf_delta.ref[i];
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for (i = 0; i < 2; i++)
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pp->mode_deltas[i] = h->h.lf_delta.mode[i];
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pp->base_qindex = h->h.yac_qi;
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pp->y_dc_delta_q = h->h.ydc_qdelta;
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pp->uv_dc_delta_q = h->h.uvdc_qdelta;
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pp->uv_ac_delta_q = h->h.uvac_qdelta;
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/* segmentation data */
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pp->stVP9Segments.wSegmentInfoFlags = (h->h.segmentation.enabled << 0) |
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(h->h.segmentation.update_map << 1) |
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(h->h.segmentation.temporal << 2) |
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(h->h.segmentation.absolute_vals << 3) |
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(0 << 4); /* ReservedSegmentFlags4Bits */
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for (i = 0; i < 7; i++)
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pp->stVP9Segments.tree_probs[i] = h->h.segmentation.prob[i];
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if (h->h.segmentation.temporal)
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for (i = 0; i < 3; i++)
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pp->stVP9Segments.pred_probs[i] = h->h.segmentation.pred_prob[i];
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else
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memset(pp->stVP9Segments.pred_probs, 255, sizeof(pp->stVP9Segments.pred_probs));
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for (i = 0; i < 8; i++) {
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pp->stVP9Segments.feature_mask[i] = (h->h.segmentation.feat[i].q_enabled << 0) |
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(h->h.segmentation.feat[i].lf_enabled << 1) |
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(h->h.segmentation.feat[i].ref_enabled << 2) |
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(h->h.segmentation.feat[i].skip_enabled << 3);
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pp->stVP9Segments.feature_data[i][0] = h->h.segmentation.feat[i].q_val;
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pp->stVP9Segments.feature_data[i][1] = h->h.segmentation.feat[i].lf_val;
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pp->stVP9Segments.feature_data[i][2] = h->h.segmentation.feat[i].ref_val;
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pp->stVP9Segments.feature_data[i][3] = 0; /* no data for skip */
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}
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pp->log2_tile_cols = h->h.tiling.log2_tile_cols;
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pp->log2_tile_rows = h->h.tiling.log2_tile_rows;
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pp->uncompressed_header_size_byte_aligned = h->h.uncompressed_header_size;
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pp->first_partition_size = h->h.compressed_header_size;
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pp->StatusReportFeedbackNumber = 1 + DXVA_CONTEXT_REPORT_ID(avctx, ctx)++;
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return 0;
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}
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static void fill_slice_short(DXVA_Slice_VPx_Short *slice,
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unsigned position, unsigned size)
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{
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memset(slice, 0, sizeof(*slice));
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slice->BSNALunitDataLocation = position;
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slice->SliceBytesInBuffer = size;
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slice->wBadSliceChopping = 0;
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}
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static int commit_bitstream_and_slice_buffer(AVCodecContext *avctx,
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DECODER_BUFFER_DESC *bs,
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DECODER_BUFFER_DESC *sc)
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{
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const VP9SharedContext *h = avctx->priv_data;
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AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
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struct vp9_dxva2_picture_context *ctx_pic = h->frames[CUR_FRAME].hwaccel_picture_private;
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void *dxva_data_ptr;
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uint8_t *dxva_data;
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unsigned dxva_size;
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unsigned padding;
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unsigned type;
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#if CONFIG_D3D11VA
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if (ff_dxva2_is_d3d11(avctx)) {
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type = D3D11_VIDEO_DECODER_BUFFER_BITSTREAM;
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if (FAILED(ID3D11VideoContext_GetDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context,
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D3D11VA_CONTEXT(ctx)->decoder,
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type,
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&dxva_size, &dxva_data_ptr)))
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return -1;
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}
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#endif
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#if CONFIG_DXVA2
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if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
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type = DXVA2_BitStreamDateBufferType;
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if (FAILED(IDirectXVideoDecoder_GetBuffer(DXVA2_CONTEXT(ctx)->decoder,
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type,
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&dxva_data_ptr, &dxva_size)))
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return -1;
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}
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#endif
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dxva_data = dxva_data_ptr;
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if (ctx_pic->slice.SliceBytesInBuffer > dxva_size) {
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av_log(avctx, AV_LOG_ERROR, "Failed to build bitstream");
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return -1;
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}
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memcpy(dxva_data, ctx_pic->bitstream, ctx_pic->slice.SliceBytesInBuffer);
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padding = FFMIN(128 - ((ctx_pic->slice.SliceBytesInBuffer) & 127), dxva_size - ctx_pic->slice.SliceBytesInBuffer);
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if (padding > 0) {
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memset(dxva_data + ctx_pic->slice.SliceBytesInBuffer, 0, padding);
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ctx_pic->slice.SliceBytesInBuffer += padding;
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}
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#if CONFIG_D3D11VA
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if (ff_dxva2_is_d3d11(avctx))
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if (FAILED(ID3D11VideoContext_ReleaseDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder, type)))
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return -1;
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#endif
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#if CONFIG_DXVA2
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if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
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if (FAILED(IDirectXVideoDecoder_ReleaseBuffer(DXVA2_CONTEXT(ctx)->decoder, type)))
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return -1;
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#endif
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#if CONFIG_D3D11VA
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if (ff_dxva2_is_d3d11(avctx)) {
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D3D11_VIDEO_DECODER_BUFFER_DESC *dsc11 = bs;
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memset(dsc11, 0, sizeof(*dsc11));
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dsc11->BufferType = type;
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dsc11->DataSize = ctx_pic->slice.SliceBytesInBuffer;
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dsc11->NumMBsInBuffer = 0;
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type = D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL;
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}
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#endif
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#if CONFIG_DXVA2
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if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
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DXVA2_DecodeBufferDesc *dsc2 = bs;
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memset(dsc2, 0, sizeof(*dsc2));
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dsc2->CompressedBufferType = type;
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dsc2->DataSize = ctx_pic->slice.SliceBytesInBuffer;
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dsc2->NumMBsInBuffer = 0;
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type = DXVA2_SliceControlBufferType;
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}
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#endif
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return ff_dxva2_commit_buffer(avctx, ctx, sc,
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type,
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&ctx_pic->slice, sizeof(ctx_pic->slice), 0);
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}
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static int dxva2_vp9_start_frame(AVCodecContext *avctx,
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av_unused const uint8_t *buffer,
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av_unused uint32_t size)
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{
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const VP9SharedContext *h = avctx->priv_data;
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AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
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struct vp9_dxva2_picture_context *ctx_pic = h->frames[CUR_FRAME].hwaccel_picture_private;
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if (!DXVA_CONTEXT_VALID(avctx, ctx))
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return -1;
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av_assert0(ctx_pic);
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/* Fill up DXVA_PicParams_VP9 */
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if (fill_picture_parameters(avctx, ctx, h, &ctx_pic->pp) < 0)
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return -1;
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ctx_pic->bitstream_size = 0;
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ctx_pic->bitstream = NULL;
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return 0;
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}
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static int dxva2_vp9_decode_slice(AVCodecContext *avctx,
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const uint8_t *buffer,
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uint32_t size)
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{
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const VP9SharedContext *h = avctx->priv_data;
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struct vp9_dxva2_picture_context *ctx_pic = h->frames[CUR_FRAME].hwaccel_picture_private;
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unsigned position;
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if (!ctx_pic->bitstream)
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ctx_pic->bitstream = buffer;
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ctx_pic->bitstream_size += size;
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position = buffer - ctx_pic->bitstream;
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fill_slice_short(&ctx_pic->slice, position, size);
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return 0;
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}
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static int dxva2_vp9_end_frame(AVCodecContext *avctx)
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{
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VP9SharedContext *h = avctx->priv_data;
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struct vp9_dxva2_picture_context *ctx_pic = h->frames[CUR_FRAME].hwaccel_picture_private;
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int ret;
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if (ctx_pic->bitstream_size <= 0)
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return -1;
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ret = ff_dxva2_common_end_frame(avctx, h->frames[CUR_FRAME].tf.f,
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&ctx_pic->pp, sizeof(ctx_pic->pp),
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NULL, 0,
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commit_bitstream_and_slice_buffer);
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return ret;
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}
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#if CONFIG_VP9_DXVA2_HWACCEL
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const AVHWAccel ff_vp9_dxva2_hwaccel = {
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.name = "vp9_dxva2",
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.type = AVMEDIA_TYPE_VIDEO,
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.id = AV_CODEC_ID_VP9,
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.pix_fmt = AV_PIX_FMT_DXVA2_VLD,
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.init = ff_dxva2_decode_init,
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.uninit = ff_dxva2_decode_uninit,
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.start_frame = dxva2_vp9_start_frame,
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.decode_slice = dxva2_vp9_decode_slice,
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.end_frame = dxva2_vp9_end_frame,
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.frame_params = ff_dxva2_common_frame_params,
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.frame_priv_data_size = sizeof(struct vp9_dxva2_picture_context),
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.priv_data_size = sizeof(FFDXVASharedContext),
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};
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#endif
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#if CONFIG_VP9_D3D11VA_HWACCEL
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const AVHWAccel ff_vp9_d3d11va_hwaccel = {
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.name = "vp9_d3d11va",
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.type = AVMEDIA_TYPE_VIDEO,
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.id = AV_CODEC_ID_VP9,
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.pix_fmt = AV_PIX_FMT_D3D11VA_VLD,
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.init = ff_dxva2_decode_init,
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.uninit = ff_dxva2_decode_uninit,
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.start_frame = dxva2_vp9_start_frame,
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.decode_slice = dxva2_vp9_decode_slice,
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.end_frame = dxva2_vp9_end_frame,
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.frame_params = ff_dxva2_common_frame_params,
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.frame_priv_data_size = sizeof(struct vp9_dxva2_picture_context),
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.priv_data_size = sizeof(FFDXVASharedContext),
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};
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#endif
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#if CONFIG_VP9_D3D11VA2_HWACCEL
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const AVHWAccel ff_vp9_d3d11va2_hwaccel = {
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.name = "vp9_d3d11va2",
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.type = AVMEDIA_TYPE_VIDEO,
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.id = AV_CODEC_ID_VP9,
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.pix_fmt = AV_PIX_FMT_D3D11,
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.init = ff_dxva2_decode_init,
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.uninit = ff_dxva2_decode_uninit,
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.start_frame = dxva2_vp9_start_frame,
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.decode_slice = dxva2_vp9_decode_slice,
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.end_frame = dxva2_vp9_end_frame,
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.frame_params = ff_dxva2_common_frame_params,
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.frame_priv_data_size = sizeof(struct vp9_dxva2_picture_context),
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.priv_data_size = sizeof(FFDXVASharedContext),
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};
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#endif
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