summaryrefslogtreecommitdiff
path: root/libavcodec/dxva2.c (plain)
blob: c782f1cdc36669f0ec54948ddce89fb2d6671d37
1/*
2 * DXVA2 HW acceleration.
3 *
4 * copyright (c) 2010 Laurent Aimar
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 <assert.h>
24#include <string.h>
25
26#include "libavutil/log.h"
27#include "libavutil/time.h"
28
29#include "avcodec.h"
30#include "dxva2_internal.h"
31
32static void *get_surface(const AVFrame *frame)
33{
34 return frame->data[3];
35}
36
37unsigned ff_dxva2_get_surface_index(const AVCodecContext *avctx,
38 const AVDXVAContext *ctx,
39 const AVFrame *frame)
40{
41 void *surface = get_surface(frame);
42 unsigned i;
43
44#if CONFIG_D3D11VA
45 if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
46 D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC viewDesc;
47 ID3D11VideoDecoderOutputView_GetDesc((ID3D11VideoDecoderOutputView*) surface, &viewDesc);
48 return viewDesc.Texture2D.ArraySlice;
49 }
50#endif
51#if CONFIG_DXVA2
52 for (i = 0; i < DXVA_CONTEXT_COUNT(avctx, ctx); i++) {
53 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD && ctx->dxva2.surface[i] == surface)
54 return i;
55 }
56#endif
57
58 assert(0);
59 return 0;
60}
61
62int ff_dxva2_commit_buffer(AVCodecContext *avctx,
63 AVDXVAContext *ctx,
64 DECODER_BUFFER_DESC *dsc,
65 unsigned type, const void *data, unsigned size,
66 unsigned mb_count)
67{
68 void *dxva_data;
69 unsigned dxva_size;
70 int result;
71 HRESULT hr = 0;
72
73#if CONFIG_D3D11VA
74 if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD)
75 hr = ID3D11VideoContext_GetDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context,
76 D3D11VA_CONTEXT(ctx)->decoder,
77 type,
78 &dxva_size, &dxva_data);
79#endif
80#if CONFIG_DXVA2
81 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
82 hr = IDirectXVideoDecoder_GetBuffer(DXVA2_CONTEXT(ctx)->decoder, type,
83 &dxva_data, &dxva_size);
84#endif
85 if (FAILED(hr)) {
86 av_log(avctx, AV_LOG_ERROR, "Failed to get a buffer for %u: 0x%lx\n",
87 type, hr);
88 return -1;
89 }
90 if (size <= dxva_size) {
91 memcpy(dxva_data, data, size);
92
93#if CONFIG_D3D11VA
94 if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
95 D3D11_VIDEO_DECODER_BUFFER_DESC *dsc11 = dsc;
96 memset(dsc11, 0, sizeof(*dsc11));
97 dsc11->BufferType = type;
98 dsc11->DataSize = size;
99 dsc11->NumMBsInBuffer = mb_count;
100 }
101#endif
102#if CONFIG_DXVA2
103 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
104 DXVA2_DecodeBufferDesc *dsc2 = dsc;
105 memset(dsc2, 0, sizeof(*dsc2));
106 dsc2->CompressedBufferType = type;
107 dsc2->DataSize = size;
108 dsc2->NumMBsInBuffer = mb_count;
109 }
110#endif
111
112 result = 0;
113 } else {
114 av_log(avctx, AV_LOG_ERROR, "Buffer for type %u was too small\n", type);
115 result = -1;
116 }
117
118#if CONFIG_D3D11VA
119 if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD)
120 hr = ID3D11VideoContext_ReleaseDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder, type);
121#endif
122#if CONFIG_DXVA2
123 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
124 hr = IDirectXVideoDecoder_ReleaseBuffer(DXVA2_CONTEXT(ctx)->decoder, type);
125#endif
126 if (FAILED(hr)) {
127 av_log(avctx, AV_LOG_ERROR,
128 "Failed to release buffer type %u: 0x%lx\n",
129 type, hr);
130 result = -1;
131 }
132 return result;
133}
134
135int ff_dxva2_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
136 const void *pp, unsigned pp_size,
137 const void *qm, unsigned qm_size,
138 int (*commit_bs_si)(AVCodecContext *,
139 DECODER_BUFFER_DESC *bs,
140 DECODER_BUFFER_DESC *slice))
141{
142 AVDXVAContext *ctx = avctx->hwaccel_context;
143 unsigned buffer_count = 0;
144#if CONFIG_D3D11VA
145 D3D11_VIDEO_DECODER_BUFFER_DESC buffer11[4];
146#endif
147#if CONFIG_DXVA2
148 DXVA2_DecodeBufferDesc buffer2[4];
149#endif
150 DECODER_BUFFER_DESC *buffer = NULL, *buffer_slice = NULL;
151 int result, runs = 0;
152 HRESULT hr;
153 unsigned type;
154
155 do {
156#if CONFIG_D3D11VA
157 if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
158 if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
159 WaitForSingleObjectEx(D3D11VA_CONTEXT(ctx)->context_mutex, INFINITE, FALSE);
160 hr = ID3D11VideoContext_DecoderBeginFrame(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder,
161 get_surface(frame),
162 0, NULL);
163 }
164#endif
165#if CONFIG_DXVA2
166 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
167 hr = IDirectXVideoDecoder_BeginFrame(DXVA2_CONTEXT(ctx)->decoder,
168 get_surface(frame),
169 NULL);
170#endif
171 if (hr != E_PENDING || ++runs > 50)
172 break;
173#if CONFIG_D3D11VA
174 if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD)
175 if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
176 ReleaseMutex(D3D11VA_CONTEXT(ctx)->context_mutex);
177#endif
178 av_usleep(2000);
179 } while(1);
180
181 if (FAILED(hr)) {
182 av_log(avctx, AV_LOG_ERROR, "Failed to begin frame: 0x%lx\n", hr);
183#if CONFIG_D3D11VA
184 if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD)
185 if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
186 ReleaseMutex(D3D11VA_CONTEXT(ctx)->context_mutex);
187#endif
188 return -1;
189 }
190
191#if CONFIG_D3D11VA
192 if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
193 buffer = &buffer11[buffer_count];
194 type = D3D11_VIDEO_DECODER_BUFFER_PICTURE_PARAMETERS;
195 }
196#endif
197#if CONFIG_DXVA2
198 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
199 buffer = &buffer2[buffer_count];
200 type = DXVA2_PictureParametersBufferType;
201 }
202#endif
203 result = ff_dxva2_commit_buffer(avctx, ctx, buffer,
204 type,
205 pp, pp_size, 0);
206 if (result) {
207 av_log(avctx, AV_LOG_ERROR,
208 "Failed to add picture parameter buffer\n");
209 goto end;
210 }
211 buffer_count++;
212
213 if (qm_size > 0) {
214#if CONFIG_D3D11VA
215 if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
216 buffer = &buffer11[buffer_count];
217 type = D3D11_VIDEO_DECODER_BUFFER_INVERSE_QUANTIZATION_MATRIX;
218 }
219#endif
220#if CONFIG_DXVA2
221 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
222 buffer = &buffer2[buffer_count];
223 type = DXVA2_InverseQuantizationMatrixBufferType;
224 }
225#endif
226 result = ff_dxva2_commit_buffer(avctx, ctx, buffer,
227 type,
228 qm, qm_size, 0);
229 if (result) {
230 av_log(avctx, AV_LOG_ERROR,
231 "Failed to add inverse quantization matrix buffer\n");
232 goto end;
233 }
234 buffer_count++;
235 }
236
237#if CONFIG_D3D11VA
238 if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
239 buffer = &buffer11[buffer_count + 0];
240 buffer_slice = &buffer11[buffer_count + 1];
241 }
242#endif
243#if CONFIG_DXVA2
244 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
245 buffer = &buffer2[buffer_count + 0];
246 buffer_slice = &buffer2[buffer_count + 1];
247 }
248#endif
249
250 result = commit_bs_si(avctx,
251 buffer,
252 buffer_slice);
253 if (result) {
254 av_log(avctx, AV_LOG_ERROR,
255 "Failed to add bitstream or slice control buffer\n");
256 goto end;
257 }
258 buffer_count += 2;
259
260 /* TODO Film Grain when possible */
261
262 assert(buffer_count == 1 + (qm_size > 0) + 2);
263
264#if CONFIG_D3D11VA
265 if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD)
266 hr = ID3D11VideoContext_SubmitDecoderBuffers(D3D11VA_CONTEXT(ctx)->video_context,
267 D3D11VA_CONTEXT(ctx)->decoder,
268 buffer_count, buffer11);
269#endif
270#if CONFIG_DXVA2
271 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
272 DXVA2_DecodeExecuteParams exec = {
273 .NumCompBuffers = buffer_count,
274 .pCompressedBuffers = buffer2,
275 .pExtensionData = NULL,
276 };
277 hr = IDirectXVideoDecoder_Execute(DXVA2_CONTEXT(ctx)->decoder, &exec);
278 }
279#endif
280 if (FAILED(hr)) {
281 av_log(avctx, AV_LOG_ERROR, "Failed to execute: 0x%lx\n", hr);
282 result = -1;
283 }
284
285end:
286#if CONFIG_D3D11VA
287 if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
288 hr = ID3D11VideoContext_DecoderEndFrame(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder);
289 if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
290 ReleaseMutex(D3D11VA_CONTEXT(ctx)->context_mutex);
291 }
292#endif
293#if CONFIG_DXVA2
294 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
295 hr = IDirectXVideoDecoder_EndFrame(DXVA2_CONTEXT(ctx)->decoder, NULL);
296#endif
297 if (FAILED(hr)) {
298 av_log(avctx, AV_LOG_ERROR, "Failed to end frame: 0x%lx\n", hr);
299 result = -1;
300 }
301
302 return result;
303}
304
generated by cgit at 2024-05-17 01:48:44 (GMT)