avcodec/videotoolbox: improve logging of decoder errors
[ffmpeg.git] / libavcodec / dxva2_vp9.c
1 /*
2  * DXVA2 VP9 HW acceleration.
3  *
4  * copyright (c) 2015 Hendrik Leppkes
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with FFmpeg; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22
23 #include "libavutil/avassert.h"
24 #include "libavutil/pixdesc.h"
25
26 #include "dxva2_internal.h"
27 #include "vp9shared.h"
28
29 struct vp9_dxva2_picture_context {
30     DXVA_PicParams_VP9    pp;
31     DXVA_Slice_VPx_Short  slice;
32     const uint8_t         *bitstream;
33     unsigned              bitstream_size;
34 };
35
36 static void fill_picture_entry(DXVA_PicEntry_VPx *pic,
37                                unsigned index, unsigned flag)
38 {
39     av_assert0((index & 0x7f) == index && (flag & 0x01) == flag);
40     pic->bPicEntry = index | (flag << 7);
41 }
42
43 static int fill_picture_parameters(const AVCodecContext *avctx, AVDXVAContext *ctx, const VP9SharedContext *h,
44                                     DXVA_PicParams_VP9 *pp)
45 {
46     int i;
47     const AVPixFmtDescriptor * pixdesc = av_pix_fmt_desc_get(avctx->sw_pix_fmt);
48
49     if (!pixdesc)
50         return -1;
51
52     memset(pp, 0, sizeof(*pp));
53
54     fill_picture_entry(&pp->CurrPic, ff_dxva2_get_surface_index(avctx, ctx, h->frames[CUR_FRAME].tf.f), 0);
55
56     pp->profile = h->h.profile;
57     pp->wFormatAndPictureInfoFlags = ((h->h.keyframe == 0)   <<  0) |
58                                      ((h->h.invisible == 0)  <<  1) |
59                                      (h->h.errorres          <<  2) |
60                                      (pixdesc->log2_chroma_w <<  3) | /* subsampling_x */
61                                      (pixdesc->log2_chroma_h <<  4) | /* subsampling_y */
62                                      (0                      <<  5) | /* extra_plane */
63                                      (h->h.refreshctx        <<  6) |
64                                      (h->h.parallelmode      <<  7) |
65                                      (h->h.intraonly         <<  8) |
66                                      (h->h.framectxid        <<  9) |
67                                      (h->h.resetctx          << 11) |
68                                      ((h->h.keyframe ? 0 : h->h.highprecisionmvs) << 13) |
69                                      (0                      << 14);  /* ReservedFormatInfo2Bits */
70
71     pp->width  = avctx->width;
72     pp->height = avctx->height;
73     pp->BitDepthMinus8Luma   = pixdesc->comp[0].depth - 8;
74     pp->BitDepthMinus8Chroma = pixdesc->comp[1].depth - 8;
75     /* swap 0/1 to match the reference */
76     pp->interp_filter = h->h.filtermode ^ (h->h.filtermode <= 1);
77     pp->Reserved8Bits = 0;
78
79     for (i = 0; i < 8; i++) {
80         if (h->refs[i].f->buf[0]) {
81             fill_picture_entry(&pp->ref_frame_map[i], ff_dxva2_get_surface_index(avctx, ctx, h->refs[i].f), 0);
82             pp->ref_frame_coded_width[i]  = h->refs[i].f->width;
83             pp->ref_frame_coded_height[i] = h->refs[i].f->height;
84         } else
85             pp->ref_frame_map[i].bPicEntry = 0xFF;
86     }
87
88     for (i = 0; i < 3; i++) {
89         uint8_t refidx = h->h.refidx[i];
90         if (h->refs[refidx].f->buf[0])
91             fill_picture_entry(&pp->frame_refs[i], ff_dxva2_get_surface_index(avctx, ctx, h->refs[refidx].f), 0);
92         else
93             pp->frame_refs[i].bPicEntry = 0xFF;
94
95         pp->ref_frame_sign_bias[i + 1] = h->h.signbias[i];
96     }
97
98     pp->filter_level    = h->h.filter.level;
99     pp->sharpness_level = h->h.filter.sharpness;
100
101     pp->wControlInfoFlags = (h->h.lf_delta.enabled   << 0) |
102                             (h->h.lf_delta.updated   << 1) |
103                             (h->h.use_last_frame_mvs << 2) |
104                             (0                       << 3);  /* ReservedControlInfo5Bits */
105
106     for (i = 0; i < 4; i++)
107         pp->ref_deltas[i]  = h->h.lf_delta.ref[i];
108
109     for (i = 0; i < 2; i++)
110         pp->mode_deltas[i]  = h->h.lf_delta.mode[i];
111
112     pp->base_qindex   = h->h.yac_qi;
113     pp->y_dc_delta_q  = h->h.ydc_qdelta;
114     pp->uv_dc_delta_q = h->h.uvdc_qdelta;
115     pp->uv_ac_delta_q = h->h.uvac_qdelta;
116
117     /* segmentation data */
118     pp->stVP9Segments.wSegmentInfoFlags = (h->h.segmentation.enabled       << 0) |
119                                           (h->h.segmentation.update_map    << 1) |
120                                           (h->h.segmentation.temporal      << 2) |
121                                           (h->h.segmentation.absolute_vals << 3) |
122                                           (0                               << 4);  /* ReservedSegmentFlags4Bits */
123
124     for (i = 0; i < 7; i++)
125         pp->stVP9Segments.tree_probs[i] = h->h.segmentation.prob[i];
126
127     if (h->h.segmentation.temporal)
128         for (i = 0; i < 3; i++)
129             pp->stVP9Segments.pred_probs[i] = h->h.segmentation.pred_prob[i];
130     else
131         memset(pp->stVP9Segments.pred_probs, 255, sizeof(pp->stVP9Segments.pred_probs));
132
133     for (i = 0; i < 8; i++) {
134         pp->stVP9Segments.feature_mask[i] = (h->h.segmentation.feat[i].q_enabled    << 0) |
135                                             (h->h.segmentation.feat[i].lf_enabled   << 1) |
136                                             (h->h.segmentation.feat[i].ref_enabled  << 2) |
137                                             (h->h.segmentation.feat[i].skip_enabled << 3);
138
139         pp->stVP9Segments.feature_data[i][0] = h->h.segmentation.feat[i].q_val;
140         pp->stVP9Segments.feature_data[i][1] = h->h.segmentation.feat[i].lf_val;
141         pp->stVP9Segments.feature_data[i][2] = h->h.segmentation.feat[i].ref_val;
142         pp->stVP9Segments.feature_data[i][3] = 0; /* no data for skip */
143     }
144
145     pp->log2_tile_cols = h->h.tiling.log2_tile_cols;
146     pp->log2_tile_rows = h->h.tiling.log2_tile_rows;
147
148     pp->uncompressed_header_size_byte_aligned = h->h.uncompressed_header_size;
149     pp->first_partition_size = h->h.compressed_header_size;
150
151     pp->StatusReportFeedbackNumber = 1 + DXVA_CONTEXT_REPORT_ID(avctx, ctx)++;
152     return 0;
153 }
154
155 static void fill_slice_short(DXVA_Slice_VPx_Short *slice,
156                              unsigned position, unsigned size)
157 {
158     memset(slice, 0, sizeof(*slice));
159     slice->BSNALunitDataLocation = position;
160     slice->SliceBytesInBuffer    = size;
161     slice->wBadSliceChopping     = 0;
162 }
163
164 static int commit_bitstream_and_slice_buffer(AVCodecContext *avctx,
165                                              DECODER_BUFFER_DESC *bs,
166                                              DECODER_BUFFER_DESC *sc)
167 {
168     const VP9SharedContext *h = avctx->priv_data;
169     AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
170     struct vp9_dxva2_picture_context *ctx_pic = h->frames[CUR_FRAME].hwaccel_picture_private;
171     void     *dxva_data_ptr;
172     uint8_t  *dxva_data;
173     unsigned dxva_size;
174     unsigned padding;
175     unsigned type;
176
177 #if CONFIG_D3D11VA
178     if (ff_dxva2_is_d3d11(avctx)) {
179         type = D3D11_VIDEO_DECODER_BUFFER_BITSTREAM;
180         if (FAILED(ID3D11VideoContext_GetDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context,
181                                                        D3D11VA_CONTEXT(ctx)->decoder,
182                                                        type,
183                                                        &dxva_size, &dxva_data_ptr)))
184             return -1;
185     }
186 #endif
187 #if CONFIG_DXVA2
188     if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
189         type = DXVA2_BitStreamDateBufferType;
190         if (FAILED(IDirectXVideoDecoder_GetBuffer(DXVA2_CONTEXT(ctx)->decoder,
191                                                   type,
192                                                   &dxva_data_ptr, &dxva_size)))
193             return -1;
194     }
195 #endif
196
197     dxva_data = dxva_data_ptr;
198
199     if (ctx_pic->slice.SliceBytesInBuffer > dxva_size) {
200         av_log(avctx, AV_LOG_ERROR, "Failed to build bitstream");
201         return -1;
202     }
203
204     memcpy(dxva_data, ctx_pic->bitstream, ctx_pic->slice.SliceBytesInBuffer);
205
206     padding = FFMIN(128 - ((ctx_pic->slice.SliceBytesInBuffer) & 127), dxva_size - ctx_pic->slice.SliceBytesInBuffer);
207     if (padding > 0) {
208         memset(dxva_data + ctx_pic->slice.SliceBytesInBuffer, 0, padding);
209         ctx_pic->slice.SliceBytesInBuffer += padding;
210     }
211
212 #if CONFIG_D3D11VA
213     if (ff_dxva2_is_d3d11(avctx))
214         if (FAILED(ID3D11VideoContext_ReleaseDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder, type)))
215             return -1;
216 #endif
217 #if CONFIG_DXVA2
218     if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
219         if (FAILED(IDirectXVideoDecoder_ReleaseBuffer(DXVA2_CONTEXT(ctx)->decoder, type)))
220             return -1;
221 #endif
222
223 #if CONFIG_D3D11VA
224     if (ff_dxva2_is_d3d11(avctx)) {
225         D3D11_VIDEO_DECODER_BUFFER_DESC *dsc11 = bs;
226         memset(dsc11, 0, sizeof(*dsc11));
227         dsc11->BufferType           = type;
228         dsc11->DataSize             = ctx_pic->slice.SliceBytesInBuffer;
229         dsc11->NumMBsInBuffer       = 0;
230
231         type = D3D11_VIDEO_DECODER_BUFFER_SLICE_CONTROL;
232     }
233 #endif
234 #if CONFIG_DXVA2
235     if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
236         DXVA2_DecodeBufferDesc *dsc2 = bs;
237         memset(dsc2, 0, sizeof(*dsc2));
238         dsc2->CompressedBufferType = type;
239         dsc2->DataSize             = ctx_pic->slice.SliceBytesInBuffer;
240         dsc2->NumMBsInBuffer       = 0;
241
242         type = DXVA2_SliceControlBufferType;
243     }
244 #endif
245
246     return ff_dxva2_commit_buffer(avctx, ctx, sc,
247                                   type,
248                                   &ctx_pic->slice, sizeof(ctx_pic->slice), 0);
249 }
250
251
252 static int dxva2_vp9_start_frame(AVCodecContext *avctx,
253                                  av_unused const uint8_t *buffer,
254                                  av_unused uint32_t size)
255 {
256     const VP9SharedContext *h = avctx->priv_data;
257     AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
258     struct vp9_dxva2_picture_context *ctx_pic = h->frames[CUR_FRAME].hwaccel_picture_private;
259
260     if (!DXVA_CONTEXT_VALID(avctx, ctx))
261         return -1;
262     av_assert0(ctx_pic);
263
264     /* Fill up DXVA_PicParams_VP9 */
265     if (fill_picture_parameters(avctx, ctx, h, &ctx_pic->pp) < 0)
266         return -1;
267
268     ctx_pic->bitstream_size = 0;
269     ctx_pic->bitstream      = NULL;
270     return 0;
271 }
272
273 static int dxva2_vp9_decode_slice(AVCodecContext *avctx,
274                                   const uint8_t *buffer,
275                                   uint32_t size)
276 {
277     const VP9SharedContext *h = avctx->priv_data;
278     struct vp9_dxva2_picture_context *ctx_pic = h->frames[CUR_FRAME].hwaccel_picture_private;
279     unsigned position;
280
281     if (!ctx_pic->bitstream)
282         ctx_pic->bitstream = buffer;
283     ctx_pic->bitstream_size += size;
284
285     position = buffer - ctx_pic->bitstream;
286     fill_slice_short(&ctx_pic->slice, position, size);
287
288     return 0;
289 }
290
291 static int dxva2_vp9_end_frame(AVCodecContext *avctx)
292 {
293     VP9SharedContext *h = avctx->priv_data;
294     struct vp9_dxva2_picture_context *ctx_pic = h->frames[CUR_FRAME].hwaccel_picture_private;
295     int ret;
296
297     if (ctx_pic->bitstream_size <= 0)
298         return -1;
299
300     ret = ff_dxva2_common_end_frame(avctx, h->frames[CUR_FRAME].tf.f,
301                                     &ctx_pic->pp, sizeof(ctx_pic->pp),
302                                     NULL, 0,
303                                     commit_bitstream_and_slice_buffer);
304     return ret;
305 }
306
307 #if CONFIG_VP9_DXVA2_HWACCEL
308 const AVHWAccel ff_vp9_dxva2_hwaccel = {
309     .name           = "vp9_dxva2",
310     .type           = AVMEDIA_TYPE_VIDEO,
311     .id             = AV_CODEC_ID_VP9,
312     .pix_fmt        = AV_PIX_FMT_DXVA2_VLD,
313     .init           = ff_dxva2_decode_init,
314     .uninit         = ff_dxva2_decode_uninit,
315     .start_frame    = dxva2_vp9_start_frame,
316     .decode_slice   = dxva2_vp9_decode_slice,
317     .end_frame      = dxva2_vp9_end_frame,
318     .frame_params   = ff_dxva2_common_frame_params,
319     .frame_priv_data_size = sizeof(struct vp9_dxva2_picture_context),
320     .priv_data_size = sizeof(FFDXVASharedContext),
321 };
322 #endif
323
324 #if CONFIG_VP9_D3D11VA_HWACCEL
325 const AVHWAccel ff_vp9_d3d11va_hwaccel = {
326     .name           = "vp9_d3d11va",
327     .type           = AVMEDIA_TYPE_VIDEO,
328     .id             = AV_CODEC_ID_VP9,
329     .pix_fmt        = AV_PIX_FMT_D3D11VA_VLD,
330     .init           = ff_dxva2_decode_init,
331     .uninit         = ff_dxva2_decode_uninit,
332     .start_frame    = dxva2_vp9_start_frame,
333     .decode_slice   = dxva2_vp9_decode_slice,
334     .end_frame      = dxva2_vp9_end_frame,
335     .frame_params   = ff_dxva2_common_frame_params,
336     .frame_priv_data_size = sizeof(struct vp9_dxva2_picture_context),
337     .priv_data_size = sizeof(FFDXVASharedContext),
338 };
339 #endif
340
341 #if CONFIG_VP9_D3D11VA2_HWACCEL
342 const AVHWAccel ff_vp9_d3d11va2_hwaccel = {
343     .name           = "vp9_d3d11va2",
344     .type           = AVMEDIA_TYPE_VIDEO,
345     .id             = AV_CODEC_ID_VP9,
346     .pix_fmt        = AV_PIX_FMT_D3D11,
347     .init           = ff_dxva2_decode_init,
348     .uninit         = ff_dxva2_decode_uninit,
349     .start_frame    = dxva2_vp9_start_frame,
350     .decode_slice   = dxva2_vp9_decode_slice,
351     .end_frame      = dxva2_vp9_end_frame,
352     .frame_params   = ff_dxva2_common_frame_params,
353     .frame_priv_data_size = sizeof(struct vp9_dxva2_picture_context),
354     .priv_data_size = sizeof(FFDXVASharedContext),
355 };
356 #endif