ac3enc: Restructure DEBUG ifdefs to avoid unused function parameter warnings
[libav.git] / avconv_dxva2.c
1 /*
2 * This file is part of Libav.
3 *
4 * Libav is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * Libav is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with Libav; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include <windows.h>
20
21 #ifdef _WIN32_WINNT
22 #undef _WIN32_WINNT
23 #endif
24 #define _WIN32_WINNT 0x0600
25 #define DXVA2API_USE_BITFIELDS
26 #define COBJMACROS
27
28 #include <stdint.h>
29
30 #include <d3d9.h>
31 #include <dxva2api.h>
32
33 #include "avconv.h"
34
35 #include "libavcodec/dxva2.h"
36
37 #include "libavutil/avassert.h"
38 #include "libavutil/buffer.h"
39 #include "libavutil/frame.h"
40 #include "libavutil/imgutils.h"
41 #include "libavutil/pixfmt.h"
42
43 #include "libavutil/hwcontext.h"
44 #include "libavutil/hwcontext_dxva2.h"
45
46 /* define all the GUIDs used directly here,
47 to avoid problems with inconsistent dxva2api.h versions in mingw-w64 and different MSVC version */
48 #include <initguid.h>
49 DEFINE_GUID(IID_IDirectXVideoDecoderService, 0xfc51a551,0xd5e7,0x11d9,0xaf,0x55,0x00,0x05,0x4e,0x43,0xff,0x02);
50
51 DEFINE_GUID(DXVA2_ModeMPEG2_VLD, 0xee27417f, 0x5e28,0x4e65,0xbe,0xea,0x1d,0x26,0xb5,0x08,0xad,0xc9);
52 DEFINE_GUID(DXVA2_ModeMPEG2and1_VLD, 0x86695f12, 0x340e,0x4f04,0x9f,0xd3,0x92,0x53,0xdd,0x32,0x74,0x60);
53 DEFINE_GUID(DXVA2_ModeH264_E, 0x1b81be68, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
54 DEFINE_GUID(DXVA2_ModeH264_F, 0x1b81be69, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
55 DEFINE_GUID(DXVADDI_Intel_ModeH264_E, 0x604F8E68, 0x4951,0x4C54,0x88,0xFE,0xAB,0xD2,0x5C,0x15,0xB3,0xD6);
56 DEFINE_GUID(DXVA2_ModeVC1_D, 0x1b81beA3, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
57 DEFINE_GUID(DXVA2_ModeVC1_D2010, 0x1b81beA4, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
58 DEFINE_GUID(DXVA2_ModeHEVC_VLD_Main, 0x5b11d51b, 0x2f4c,0x4452,0xbc,0xc3,0x09,0xf2,0xa1,0x16,0x0c,0xc0);
59 DEFINE_GUID(DXVA2_ModeHEVC_VLD_Main10,0x107af0e0, 0xef1a,0x4d19,0xab,0xa8,0x67,0xa1,0x63,0x07,0x3d,0x13);
60 DEFINE_GUID(DXVA2_NoEncrypt, 0x1b81beD0, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
61 DEFINE_GUID(GUID_NULL, 0x00000000, 0x0000,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00);
62
63 typedef struct dxva2_mode {
64 const GUID *guid;
65 enum AVCodecID codec;
66 } dxva2_mode;
67
68 static const dxva2_mode dxva2_modes[] = {
69 /* MPEG-2 */
70 { &DXVA2_ModeMPEG2_VLD, AV_CODEC_ID_MPEG2VIDEO },
71 { &DXVA2_ModeMPEG2and1_VLD, AV_CODEC_ID_MPEG2VIDEO },
72
73 /* H.264 */
74 { &DXVA2_ModeH264_F, AV_CODEC_ID_H264 },
75 { &DXVA2_ModeH264_E, AV_CODEC_ID_H264 },
76 /* Intel specific H.264 mode */
77 { &DXVADDI_Intel_ModeH264_E, AV_CODEC_ID_H264 },
78
79 /* VC-1 / WMV3 */
80 { &DXVA2_ModeVC1_D2010, AV_CODEC_ID_VC1 },
81 { &DXVA2_ModeVC1_D2010, AV_CODEC_ID_WMV3 },
82 { &DXVA2_ModeVC1_D, AV_CODEC_ID_VC1 },
83 { &DXVA2_ModeVC1_D, AV_CODEC_ID_WMV3 },
84
85 /* HEVC/H.265 */
86 { &DXVA2_ModeHEVC_VLD_Main, AV_CODEC_ID_HEVC },
87 { &DXVA2_ModeHEVC_VLD_Main10, AV_CODEC_ID_HEVC },
88
89 { NULL, 0 },
90 };
91
92 typedef struct DXVA2Context {
93 IDirectXVideoDecoder *decoder;
94
95 GUID decoder_guid;
96 DXVA2_ConfigPictureDecode decoder_config;
97 IDirectXVideoDecoderService *decoder_service;
98
99 AVFrame *tmp_frame;
100
101 AVBufferRef *hw_device_ctx;
102 AVBufferRef *hw_frames_ctx;
103 } DXVA2Context;
104
105 static void dxva2_uninit(AVCodecContext *s)
106 {
107 InputStream *ist = s->opaque;
108 DXVA2Context *ctx = ist->hwaccel_ctx;
109
110 ist->hwaccel_uninit = NULL;
111 ist->hwaccel_get_buffer = NULL;
112 ist->hwaccel_retrieve_data = NULL;
113
114 if (ctx->decoder_service)
115 IDirectXVideoDecoderService_Release(ctx->decoder_service);
116
117 av_buffer_unref(&ctx->hw_frames_ctx);
118 av_buffer_unref(&ctx->hw_device_ctx);
119
120 av_frame_free(&ctx->tmp_frame);
121
122 av_freep(&ist->hwaccel_ctx);
123 av_freep(&s->hwaccel_context);
124 }
125
126 static int dxva2_get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
127 {
128 InputStream *ist = s->opaque;
129 DXVA2Context *ctx = ist->hwaccel_ctx;
130
131 return av_hwframe_get_buffer(ctx->hw_frames_ctx, frame, 0);
132 }
133
134 static int dxva2_retrieve_data(AVCodecContext *s, AVFrame *frame)
135 {
136 InputStream *ist = s->opaque;
137 DXVA2Context *ctx = ist->hwaccel_ctx;
138 int ret;
139
140 ret = av_hwframe_transfer_data(ctx->tmp_frame, frame, 0);
141 if (ret < 0)
142 return ret;
143
144 ret = av_frame_copy_props(ctx->tmp_frame, frame);
145 if (ret < 0) {
146 av_frame_unref(ctx->tmp_frame);
147 return ret;
148 }
149
150 av_frame_unref(frame);
151 av_frame_move_ref(frame, ctx->tmp_frame);
152
153 return 0;
154 }
155
156 static int dxva2_alloc(AVCodecContext *s)
157 {
158 InputStream *ist = s->opaque;
159 int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
160 DXVA2Context *ctx;
161 HANDLE device_handle;
162 HRESULT hr;
163
164 AVHWDeviceContext *device_ctx;
165 AVDXVA2DeviceContext *device_hwctx;
166 int ret;
167
168 ctx = av_mallocz(sizeof(*ctx));
169 if (!ctx)
170 return AVERROR(ENOMEM);
171
172 ist->hwaccel_ctx = ctx;
173 ist->hwaccel_uninit = dxva2_uninit;
174 ist->hwaccel_get_buffer = dxva2_get_buffer;
175 ist->hwaccel_retrieve_data = dxva2_retrieve_data;
176
177 ret = av_hwdevice_ctx_create(&ctx->hw_device_ctx, AV_HWDEVICE_TYPE_DXVA2,
178 ist->hwaccel_device, NULL, 0);
179 if (ret < 0)
180 goto fail;
181 device_ctx = (AVHWDeviceContext*)ctx->hw_device_ctx->data;
182 device_hwctx = device_ctx->hwctx;
183
184 hr = IDirect3DDeviceManager9_OpenDeviceHandle(device_hwctx->devmgr,
185 &device_handle);
186 if (FAILED(hr)) {
187 av_log(NULL, loglevel, "Failed to open a device handle\n");
188 goto fail;
189 }
190
191 hr = IDirect3DDeviceManager9_GetVideoService(device_hwctx->devmgr, device_handle,
192 &IID_IDirectXVideoDecoderService,
193 (void **)&ctx->decoder_service);
194 IDirect3DDeviceManager9_CloseDeviceHandle(device_hwctx->devmgr, device_handle);
195 if (FAILED(hr)) {
196 av_log(NULL, loglevel, "Failed to create IDirectXVideoDecoderService\n");
197 goto fail;
198 }
199
200 ctx->tmp_frame = av_frame_alloc();
201 if (!ctx->tmp_frame)
202 goto fail;
203
204 s->hwaccel_context = av_mallocz(sizeof(struct dxva_context));
205 if (!s->hwaccel_context)
206 goto fail;
207
208 return 0;
209 fail:
210 dxva2_uninit(s);
211 return AVERROR(EINVAL);
212 }
213
214 static int dxva2_get_decoder_configuration(AVCodecContext *s, const GUID *device_guid,
215 const DXVA2_VideoDesc *desc,
216 DXVA2_ConfigPictureDecode *config)
217 {
218 InputStream *ist = s->opaque;
219 int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
220 DXVA2Context *ctx = ist->hwaccel_ctx;
221 unsigned cfg_count = 0, best_score = 0;
222 DXVA2_ConfigPictureDecode *cfg_list = NULL;
223 DXVA2_ConfigPictureDecode best_cfg = {{0}};
224 HRESULT hr;
225 int i;
226
227 hr = IDirectXVideoDecoderService_GetDecoderConfigurations(ctx->decoder_service, device_guid, desc, NULL, &cfg_count, &cfg_list);
228 if (FAILED(hr)) {
229 av_log(NULL, loglevel, "Unable to retrieve decoder configurations\n");
230 return AVERROR(EINVAL);
231 }
232
233 for (i = 0; i < cfg_count; i++) {
234 DXVA2_ConfigPictureDecode *cfg = &cfg_list[i];
235
236 unsigned score;
237 if (cfg->ConfigBitstreamRaw == 1)
238 score = 1;
239 else if (s->codec_id == AV_CODEC_ID_H264 && cfg->ConfigBitstreamRaw == 2)
240 score = 2;
241 else
242 continue;
243 if (IsEqualGUID(&cfg->guidConfigBitstreamEncryption, &DXVA2_NoEncrypt))
244 score += 16;
245 if (score > best_score) {
246 best_score = score;
247 best_cfg = *cfg;
248 }
249 }
250 CoTaskMemFree(cfg_list);
251
252 if (!best_score) {
253 av_log(NULL, loglevel, "No valid decoder configuration available\n");
254 return AVERROR(EINVAL);
255 }
256
257 *config = best_cfg;
258 return 0;
259 }
260
261 static int dxva2_create_decoder(AVCodecContext *s)
262 {
263 InputStream *ist = s->opaque;
264 int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
265 DXVA2Context *ctx = ist->hwaccel_ctx;
266 struct dxva_context *dxva_ctx = s->hwaccel_context;
267 GUID *guid_list = NULL;
268 unsigned guid_count = 0, i, j;
269 GUID device_guid = GUID_NULL;
270 const D3DFORMAT surface_format = s->sw_pix_fmt == AV_PIX_FMT_YUV420P10 ?
271 MKTAG('P', '0', '1', '0') : MKTAG('N', 'V', '1', '2');
272 D3DFORMAT target_format = 0;
273 DXVA2_VideoDesc desc = { 0 };
274 DXVA2_ConfigPictureDecode config;
275 HRESULT hr;
276 int surface_alignment, num_surfaces;
277 int ret;
278
279 AVDXVA2FramesContext *frames_hwctx;
280 AVHWFramesContext *frames_ctx;
281
282 hr = IDirectXVideoDecoderService_GetDecoderDeviceGuids(ctx->decoder_service, &guid_count, &guid_list);
283 if (FAILED(hr)) {
284 av_log(NULL, loglevel, "Failed to retrieve decoder device GUIDs\n");
285 goto fail;
286 }
287
288 for (i = 0; dxva2_modes[i].guid; i++) {
289 D3DFORMAT *target_list = NULL;
290 unsigned target_count = 0;
291 const dxva2_mode *mode = &dxva2_modes[i];
292 if (mode->codec != s->codec_id)
293 continue;
294
295 for (j = 0; j < guid_count; j++) {
296 if (IsEqualGUID(mode->guid, &guid_list[j]))
297 break;
298 }
299 if (j == guid_count)
300 continue;
301
302 hr = IDirectXVideoDecoderService_GetDecoderRenderTargets(ctx->decoder_service, mode->guid, &target_count, &target_list);
303 if (FAILED(hr)) {
304 continue;
305 }
306 for (j = 0; j < target_count; j++) {
307 const D3DFORMAT format = target_list[j];
308 if (format == surface_format) {
309 target_format = format;
310 break;
311 }
312 }
313 CoTaskMemFree(target_list);
314 if (target_format) {
315 device_guid = *mode->guid;
316 break;
317 }
318 }
319 CoTaskMemFree(guid_list);
320
321 if (IsEqualGUID(&device_guid, &GUID_NULL)) {
322 av_log(NULL, loglevel, "No decoder device for codec found\n");
323 goto fail;
324 }
325
326 desc.SampleWidth = s->coded_width;
327 desc.SampleHeight = s->coded_height;
328 desc.Format = target_format;
329
330 ret = dxva2_get_decoder_configuration(s, &device_guid, &desc, &config);
331 if (ret < 0) {
332 goto fail;
333 }
334
335 /* decoding MPEG-2 requires additional alignment on some Intel GPUs,
336 but it causes issues for H.264 on certain AMD GPUs..... */
337 if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO)
338 surface_alignment = 32;
339 /* the HEVC DXVA2 spec asks for 128 pixel aligned surfaces to ensure
340 all coding features have enough room to work with */
341 else if (s->codec_id == AV_CODEC_ID_HEVC)
342 surface_alignment = 128;
343 else
344 surface_alignment = 16;
345
346 /* 4 base work surfaces */
347 num_surfaces = 4;
348
349 /* add surfaces based on number of possible refs */
350 if (s->codec_id == AV_CODEC_ID_H264 || s->codec_id == AV_CODEC_ID_HEVC)
351 num_surfaces += 16;
352 else
353 num_surfaces += 2;
354
355 /* add extra surfaces for frame threading */
356 if (s->active_thread_type & FF_THREAD_FRAME)
357 num_surfaces += s->thread_count;
358
359 ctx->hw_frames_ctx = av_hwframe_ctx_alloc(ctx->hw_device_ctx);
360 if (!ctx->hw_frames_ctx)
361 goto fail;
362 frames_ctx = (AVHWFramesContext*)ctx->hw_frames_ctx->data;
363 frames_hwctx = frames_ctx->hwctx;
364
365 frames_ctx->format = AV_PIX_FMT_DXVA2_VLD;
366 frames_ctx->sw_format = s->sw_pix_fmt == AV_PIX_FMT_YUV420P10 ?
367 AV_PIX_FMT_P010 : AV_PIX_FMT_NV12;
368 frames_ctx->width = FFALIGN(s->coded_width, surface_alignment);
369 frames_ctx->height = FFALIGN(s->coded_height, surface_alignment);
370 frames_ctx->initial_pool_size = num_surfaces;
371
372 frames_hwctx->surface_type = DXVA2_VideoDecoderRenderTarget;
373
374 ret = av_hwframe_ctx_init(ctx->hw_frames_ctx);
375 if (ret < 0) {
376 av_log(NULL, loglevel, "Failed to initialize the HW frames context\n");
377 goto fail;
378 }
379
380 hr = IDirectXVideoDecoderService_CreateVideoDecoder(ctx->decoder_service, &device_guid,
381 &desc, &config, frames_hwctx->surfaces,
382 frames_hwctx->nb_surfaces, &frames_hwctx->decoder_to_release);
383 if (FAILED(hr)) {
384 av_log(NULL, loglevel, "Failed to create DXVA2 video decoder\n");
385 goto fail;
386 }
387
388 ctx->decoder_guid = device_guid;
389 ctx->decoder_config = config;
390
391 dxva_ctx->cfg = &ctx->decoder_config;
392 dxva_ctx->decoder = frames_hwctx->decoder_to_release;
393 dxva_ctx->surface = frames_hwctx->surfaces;
394 dxva_ctx->surface_count = frames_hwctx->nb_surfaces;
395
396 if (IsEqualGUID(&ctx->decoder_guid, &DXVADDI_Intel_ModeH264_E))
397 dxva_ctx->workaround |= FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO;
398
399 return 0;
400 fail:
401 av_buffer_unref(&ctx->hw_frames_ctx);
402 return AVERROR(EINVAL);
403 }
404
405 int dxva2_init(AVCodecContext *s)
406 {
407 InputStream *ist = s->opaque;
408 int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
409 DXVA2Context *ctx;
410 int ret;
411
412 if (!ist->hwaccel_ctx) {
413 ret = dxva2_alloc(s);
414 if (ret < 0)
415 return ret;
416 }
417 ctx = ist->hwaccel_ctx;
418
419 if (s->codec_id == AV_CODEC_ID_H264 &&
420 (s->profile & ~FF_PROFILE_H264_CONSTRAINED) > FF_PROFILE_H264_HIGH) {
421 av_log(NULL, loglevel, "Unsupported H.264 profile for DXVA2 HWAccel: %d\n", s->profile);
422 return AVERROR(EINVAL);
423 }
424
425 if (s->codec_id == AV_CODEC_ID_HEVC &&
426 s->profile != FF_PROFILE_HEVC_MAIN && s->profile != FF_PROFILE_HEVC_MAIN_10) {
427 av_log(NULL, loglevel, "Unsupported HEVC profile for DXVA2 HWAccel: %d\n", s->profile);
428 return AVERROR(EINVAL);
429 }
430
431 av_buffer_unref(&ctx->hw_frames_ctx);
432
433 ret = dxva2_create_decoder(s);
434 if (ret < 0) {
435 av_log(NULL, loglevel, "Error creating the DXVA2 decoder\n");
436 return ret;
437 }
438
439 return 0;
440 }