avfilter/vf_scale_npp: select cubic and lanczos as alternative where super-sampling...
[ffmpeg.git] / ffmpeg_dxva2.c
1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg 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  * FFmpeg 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 FFmpeg; 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 "ffmpeg.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_ModeVP9_VLD_Profile0, 0x463707f8, 0xa1d0,0x4585,0x87,0x6d,0x83,0xaa,0x6d,0x60,0xb8,0x9e);
61 DEFINE_GUID(DXVA2_NoEncrypt,          0x1b81beD0, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
62 DEFINE_GUID(GUID_NULL,                0x00000000, 0x0000,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00);
63
64 typedef struct dxva2_mode {
65   const GUID     *guid;
66   enum AVCodecID codec;
67 } dxva2_mode;
68
69 static const dxva2_mode dxva2_modes[] = {
70     /* MPEG-2 */
71     { &DXVA2_ModeMPEG2_VLD,      AV_CODEC_ID_MPEG2VIDEO },
72     { &DXVA2_ModeMPEG2and1_VLD,  AV_CODEC_ID_MPEG2VIDEO },
73
74     /* H.264 */
75     { &DXVA2_ModeH264_F,         AV_CODEC_ID_H264 },
76     { &DXVA2_ModeH264_E,         AV_CODEC_ID_H264 },
77     /* Intel specific H.264 mode */
78     { &DXVADDI_Intel_ModeH264_E, AV_CODEC_ID_H264 },
79
80     /* VC-1 / WMV3 */
81     { &DXVA2_ModeVC1_D2010,      AV_CODEC_ID_VC1  },
82     { &DXVA2_ModeVC1_D2010,      AV_CODEC_ID_WMV3 },
83     { &DXVA2_ModeVC1_D,          AV_CODEC_ID_VC1  },
84     { &DXVA2_ModeVC1_D,          AV_CODEC_ID_WMV3 },
85
86     /* HEVC/H.265 */
87     { &DXVA2_ModeHEVC_VLD_Main,  AV_CODEC_ID_HEVC },
88     { &DXVA2_ModeHEVC_VLD_Main10,AV_CODEC_ID_HEVC },
89
90     /* VP8/9 */
91     { &DXVA2_ModeVP9_VLD_Profile0, AV_CODEC_ID_VP9 },
92
93     { NULL,                      0 },
94 };
95
96 typedef struct DXVA2Context {
97     IDirectXVideoDecoder        *decoder;
98
99     GUID                        decoder_guid;
100     DXVA2_ConfigPictureDecode   decoder_config;
101     IDirectXVideoDecoderService *decoder_service;
102
103     AVFrame                     *tmp_frame;
104
105     AVBufferRef                 *hw_device_ctx;
106     AVBufferRef                 *hw_frames_ctx;
107 } DXVA2Context;
108
109 static void dxva2_uninit(AVCodecContext *s)
110 {
111     InputStream  *ist = s->opaque;
112     DXVA2Context *ctx = ist->hwaccel_ctx;
113
114     ist->hwaccel_uninit        = NULL;
115     ist->hwaccel_get_buffer    = NULL;
116     ist->hwaccel_retrieve_data = NULL;
117
118     if (ctx->decoder_service)
119         IDirectXVideoDecoderService_Release(ctx->decoder_service);
120
121     av_buffer_unref(&ctx->hw_frames_ctx);
122     av_buffer_unref(&ctx->hw_device_ctx);
123
124     av_frame_free(&ctx->tmp_frame);
125
126     av_freep(&ist->hwaccel_ctx);
127     av_freep(&s->hwaccel_context);
128 }
129
130 static int dxva2_get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
131 {
132     InputStream  *ist = s->opaque;
133     DXVA2Context *ctx = ist->hwaccel_ctx;
134
135     return av_hwframe_get_buffer(ctx->hw_frames_ctx, frame, 0);
136 }
137
138 static int dxva2_retrieve_data(AVCodecContext *s, AVFrame *frame)
139 {
140     InputStream        *ist = s->opaque;
141     DXVA2Context       *ctx = ist->hwaccel_ctx;
142     int                ret;
143
144     ret = av_hwframe_transfer_data(ctx->tmp_frame, frame, 0);
145     if (ret < 0)
146         return ret;
147
148     ret = av_frame_copy_props(ctx->tmp_frame, frame);
149     if (ret < 0) {
150         av_frame_unref(ctx->tmp_frame);
151         return ret;
152     }
153
154     av_frame_unref(frame);
155     av_frame_move_ref(frame, ctx->tmp_frame);
156
157     return 0;
158 }
159
160 static int dxva2_alloc(AVCodecContext *s)
161 {
162     InputStream  *ist = s->opaque;
163     int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
164     DXVA2Context *ctx;
165     HANDLE device_handle;
166     HRESULT hr;
167
168     AVHWDeviceContext    *device_ctx;
169     AVDXVA2DeviceContext *device_hwctx;
170     int ret;
171
172     ctx = av_mallocz(sizeof(*ctx));
173     if (!ctx)
174         return AVERROR(ENOMEM);
175
176     ist->hwaccel_ctx           = ctx;
177     ist->hwaccel_uninit        = dxva2_uninit;
178     ist->hwaccel_get_buffer    = dxva2_get_buffer;
179     ist->hwaccel_retrieve_data = dxva2_retrieve_data;
180
181     ret = av_hwdevice_ctx_create(&ctx->hw_device_ctx, AV_HWDEVICE_TYPE_DXVA2,
182                                  ist->hwaccel_device, NULL, 0);
183     if (ret < 0)
184         goto fail;
185     device_ctx   = (AVHWDeviceContext*)ctx->hw_device_ctx->data;
186     device_hwctx = device_ctx->hwctx;
187
188     hr = IDirect3DDeviceManager9_OpenDeviceHandle(device_hwctx->devmgr,
189                                                   &device_handle);
190     if (FAILED(hr)) {
191         av_log(NULL, loglevel, "Failed to open a device handle\n");
192         goto fail;
193     }
194
195     hr = IDirect3DDeviceManager9_GetVideoService(device_hwctx->devmgr, device_handle,
196                                                  &IID_IDirectXVideoDecoderService,
197                                                  (void **)&ctx->decoder_service);
198     IDirect3DDeviceManager9_CloseDeviceHandle(device_hwctx->devmgr, device_handle);
199     if (FAILED(hr)) {
200         av_log(NULL, loglevel, "Failed to create IDirectXVideoDecoderService\n");
201         goto fail;
202     }
203
204     ctx->tmp_frame = av_frame_alloc();
205     if (!ctx->tmp_frame)
206         goto fail;
207
208     s->hwaccel_context = av_mallocz(sizeof(struct dxva_context));
209     if (!s->hwaccel_context)
210         goto fail;
211
212     return 0;
213 fail:
214     dxva2_uninit(s);
215     return AVERROR(EINVAL);
216 }
217
218 static int dxva2_get_decoder_configuration(AVCodecContext *s, const GUID *device_guid,
219                                            const DXVA2_VideoDesc *desc,
220                                            DXVA2_ConfigPictureDecode *config)
221 {
222     InputStream  *ist = s->opaque;
223     int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
224     DXVA2Context *ctx = ist->hwaccel_ctx;
225     unsigned cfg_count = 0, best_score = 0;
226     DXVA2_ConfigPictureDecode *cfg_list = NULL;
227     DXVA2_ConfigPictureDecode best_cfg = {{0}};
228     HRESULT hr;
229     int i;
230
231     hr = IDirectXVideoDecoderService_GetDecoderConfigurations(ctx->decoder_service, device_guid, desc, NULL, &cfg_count, &cfg_list);
232     if (FAILED(hr)) {
233         av_log(NULL, loglevel, "Unable to retrieve decoder configurations\n");
234         return AVERROR(EINVAL);
235     }
236
237     for (i = 0; i < cfg_count; i++) {
238         DXVA2_ConfigPictureDecode *cfg = &cfg_list[i];
239
240         unsigned score;
241         if (cfg->ConfigBitstreamRaw == 1)
242             score = 1;
243         else if (s->codec_id == AV_CODEC_ID_H264 && cfg->ConfigBitstreamRaw == 2)
244             score = 2;
245         else
246             continue;
247         if (IsEqualGUID(&cfg->guidConfigBitstreamEncryption, &DXVA2_NoEncrypt))
248             score += 16;
249         if (score > best_score) {
250             best_score = score;
251             best_cfg   = *cfg;
252         }
253     }
254     CoTaskMemFree(cfg_list);
255
256     if (!best_score) {
257         av_log(NULL, loglevel, "No valid decoder configuration available\n");
258         return AVERROR(EINVAL);
259     }
260
261     *config = best_cfg;
262     return 0;
263 }
264
265 static int dxva2_create_decoder(AVCodecContext *s)
266 {
267     InputStream  *ist = s->opaque;
268     int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
269     DXVA2Context *ctx = ist->hwaccel_ctx;
270     struct dxva_context *dxva_ctx = s->hwaccel_context;
271     GUID *guid_list = NULL;
272     unsigned guid_count = 0, i, j;
273     GUID device_guid = GUID_NULL;
274     const D3DFORMAT surface_format = (s->sw_pix_fmt == AV_PIX_FMT_YUV420P10) ? MKTAG('P','0','1','0') : MKTAG('N','V','1','2');
275     D3DFORMAT target_format = 0;
276     DXVA2_VideoDesc desc = { 0 };
277     DXVA2_ConfigPictureDecode config;
278     HRESULT hr;
279     int surface_alignment, num_surfaces;
280     int ret;
281
282     AVDXVA2FramesContext *frames_hwctx;
283     AVHWFramesContext *frames_ctx;
284
285     hr = IDirectXVideoDecoderService_GetDecoderDeviceGuids(ctx->decoder_service, &guid_count, &guid_list);
286     if (FAILED(hr)) {
287         av_log(NULL, loglevel, "Failed to retrieve decoder device GUIDs\n");
288         goto fail;
289     }
290
291     for (i = 0; dxva2_modes[i].guid; i++) {
292         D3DFORMAT *target_list = NULL;
293         unsigned target_count = 0;
294         const dxva2_mode *mode = &dxva2_modes[i];
295         if (mode->codec != s->codec_id)
296             continue;
297
298         for (j = 0; j < guid_count; j++) {
299             if (IsEqualGUID(mode->guid, &guid_list[j]))
300                 break;
301         }
302         if (j == guid_count)
303             continue;
304
305         hr = IDirectXVideoDecoderService_GetDecoderRenderTargets(ctx->decoder_service, mode->guid, &target_count, &target_list);
306         if (FAILED(hr)) {
307             continue;
308         }
309         for (j = 0; j < target_count; j++) {
310             const D3DFORMAT format = target_list[j];
311             if (format == surface_format) {
312                 target_format = format;
313                 break;
314             }
315         }
316         CoTaskMemFree(target_list);
317         if (target_format) {
318             device_guid = *mode->guid;
319             break;
320         }
321     }
322     CoTaskMemFree(guid_list);
323
324     if (IsEqualGUID(&device_guid, &GUID_NULL)) {
325         av_log(NULL, loglevel, "No decoder device for codec found\n");
326         goto fail;
327     }
328
329     desc.SampleWidth  = s->coded_width;
330     desc.SampleHeight = s->coded_height;
331     desc.Format       = target_format;
332
333     ret = dxva2_get_decoder_configuration(s, &device_guid, &desc, &config);
334     if (ret < 0) {
335         goto fail;
336     }
337
338     /* decoding MPEG-2 requires additional alignment on some Intel GPUs,
339        but it causes issues for H.264 on certain AMD GPUs..... */
340     if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO)
341         surface_alignment = 32;
342     /* the HEVC DXVA2 spec asks for 128 pixel aligned surfaces to ensure
343        all coding features have enough room to work with */
344     else if  (s->codec_id == AV_CODEC_ID_HEVC)
345         surface_alignment = 128;
346     else
347         surface_alignment = 16;
348
349     /* 4 base work surfaces */
350     num_surfaces = 4;
351
352     /* add surfaces based on number of possible refs */
353     if (s->codec_id == AV_CODEC_ID_H264 || s->codec_id == AV_CODEC_ID_HEVC)
354         num_surfaces += 16;
355     else if (s->codec_id == AV_CODEC_ID_VP9)
356         num_surfaces += 8;
357     else
358         num_surfaces += 2;
359
360     /* add extra surfaces for frame threading */
361     if (s->active_thread_type & FF_THREAD_FRAME)
362         num_surfaces += s->thread_count;
363
364     ctx->hw_frames_ctx = av_hwframe_ctx_alloc(ctx->hw_device_ctx);
365     if (!ctx->hw_frames_ctx)
366         goto fail;
367     frames_ctx   = (AVHWFramesContext*)ctx->hw_frames_ctx->data;
368     frames_hwctx = frames_ctx->hwctx;
369
370     frames_ctx->format            = AV_PIX_FMT_DXVA2_VLD;
371     frames_ctx->sw_format         = (target_format == MKTAG('P','0','1','0') ? AV_PIX_FMT_P010 : AV_PIX_FMT_NV12);
372     frames_ctx->width             = FFALIGN(s->coded_width, surface_alignment);
373     frames_ctx->height            = FFALIGN(s->coded_height, surface_alignment);
374     frames_ctx->initial_pool_size = num_surfaces;
375
376     frames_hwctx->surface_type = DXVA2_VideoDecoderRenderTarget;
377
378     ret = av_hwframe_ctx_init(ctx->hw_frames_ctx);
379     if (ret < 0) {
380         av_log(NULL, loglevel, "Failed to initialize the HW frames context\n");
381         goto fail;
382     }
383
384     hr = IDirectXVideoDecoderService_CreateVideoDecoder(ctx->decoder_service, &device_guid,
385                                                         &desc, &config, frames_hwctx->surfaces,
386                                                         frames_hwctx->nb_surfaces, &frames_hwctx->decoder_to_release);
387     if (FAILED(hr)) {
388         av_log(NULL, loglevel, "Failed to create DXVA2 video decoder\n");
389         goto fail;
390     }
391
392     ctx->decoder_guid   = device_guid;
393     ctx->decoder_config = config;
394
395     dxva_ctx->cfg           = &ctx->decoder_config;
396     dxva_ctx->decoder       = frames_hwctx->decoder_to_release;
397     dxva_ctx->surface       = frames_hwctx->surfaces;
398     dxva_ctx->surface_count = frames_hwctx->nb_surfaces;
399
400     if (IsEqualGUID(&ctx->decoder_guid, &DXVADDI_Intel_ModeH264_E))
401         dxva_ctx->workaround |= FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO;
402
403     return 0;
404 fail:
405     av_buffer_unref(&ctx->hw_frames_ctx);
406     return AVERROR(EINVAL);
407 }
408
409 int dxva2_init(AVCodecContext *s)
410 {
411     InputStream *ist = s->opaque;
412     int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
413     DXVA2Context *ctx;
414     int ret;
415
416     if (!ist->hwaccel_ctx) {
417         ret = dxva2_alloc(s);
418         if (ret < 0)
419             return ret;
420     }
421     ctx = ist->hwaccel_ctx;
422
423     if (s->codec_id == AV_CODEC_ID_H264 &&
424         (s->profile & ~FF_PROFILE_H264_CONSTRAINED) > FF_PROFILE_H264_HIGH) {
425         av_log(NULL, loglevel, "Unsupported H.264 profile for DXVA2 HWAccel: %d\n", s->profile);
426         return AVERROR(EINVAL);
427     }
428
429     if (s->codec_id == AV_CODEC_ID_HEVC &&
430         s->profile != FF_PROFILE_HEVC_MAIN && s->profile != FF_PROFILE_HEVC_MAIN_10) {
431         av_log(NULL, loglevel, "Unsupported HEVC profile for DXVA2 HWAccel: %d\n", s->profile);
432         return AVERROR(EINVAL);
433     }
434
435     av_buffer_unref(&ctx->hw_frames_ctx);
436
437     ret = dxva2_create_decoder(s);
438     if (ret < 0) {
439         av_log(NULL, loglevel, "Error creating the DXVA2 decoder\n");
440         return ret;
441     }
442
443     return 0;
444 }