1 /*
2 * Intel MediaSDK QSV encoder/decoder shared code
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #include <mfx/mfxvideo.h>
22 #include <mfx/mfxplugin.h>
23 #include <mfx/mfxjpeg.h>
24
25 #include <stdio.h>
26 #include <string.h>
27
28 #include "libavutil/avstring.h"
29 #include "libavutil/common.h"
30 #include "libavutil/error.h"
31 #include "libavutil/hwcontext.h"
32 #include "libavutil/hwcontext_qsv.h"
33 #include "libavutil/imgutils.h"
34 #include "libavutil/avassert.h"
35
36 #include "avcodec.h"
37 #include "qsv_internal.h"
38
39 #define MFX_IMPL_VIA_MASK(impl) (0x0f00 & (impl))
40
41 #include "mfx/mfxvp8.h"
42
ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id)43 int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id)
44 {
45 switch (codec_id) {
46 case AV_CODEC_ID_H264:
47 return MFX_CODEC_AVC;
48 case AV_CODEC_ID_HEVC:
49 return MFX_CODEC_HEVC;
50 case AV_CODEC_ID_MPEG1VIDEO:
51 case AV_CODEC_ID_MPEG2VIDEO:
52 return MFX_CODEC_MPEG2;
53 case AV_CODEC_ID_VC1:
54 return MFX_CODEC_VC1;
55 case AV_CODEC_ID_VP8:
56 return MFX_CODEC_VP8;
57 case AV_CODEC_ID_MJPEG:
58 return MFX_CODEC_JPEG;
59 case AV_CODEC_ID_VP9:
60 return MFX_CODEC_VP9;
61 #if QSV_VERSION_ATLEAST(1, 34)
62 case AV_CODEC_ID_AV1:
63 return MFX_CODEC_AV1;
64 #endif
65
66 default:
67 break;
68 }
69
70 return AVERROR(ENOSYS);
71 }
72
73 static const struct {
74 int mfx_iopattern;
75 const char *desc;
76 } qsv_iopatterns[] = {
77 {MFX_IOPATTERN_IN_VIDEO_MEMORY, "input is video memory surface" },
78 {MFX_IOPATTERN_IN_SYSTEM_MEMORY, "input is system memory surface" },
79 {MFX_IOPATTERN_IN_OPAQUE_MEMORY, "input is opaque memory surface" },
80 {MFX_IOPATTERN_OUT_VIDEO_MEMORY, "output is video memory surface" },
81 {MFX_IOPATTERN_OUT_SYSTEM_MEMORY, "output is system memory surface" },
82 {MFX_IOPATTERN_OUT_OPAQUE_MEMORY, "output is opaque memory surface" },
83 };
84
ff_qsv_print_iopattern(void * log_ctx,int mfx_iopattern,const char * extra_string)85 int ff_qsv_print_iopattern(void *log_ctx, int mfx_iopattern,
86 const char *extra_string)
87 {
88 const char *desc = NULL;
89
90 for (int i = 0; i < FF_ARRAY_ELEMS(qsv_iopatterns); i++) {
91 if (qsv_iopatterns[i].mfx_iopattern == mfx_iopattern) {
92 desc = qsv_iopatterns[i].desc;
93 }
94 }
95 if (!desc)
96 desc = "unknown iopattern";
97
98 av_log(log_ctx, AV_LOG_VERBOSE, "%s: %s\n", extra_string, desc);
99 return 0;
100 }
101
102 static const struct {
103 mfxStatus mfxerr;
104 int averr;
105 const char *desc;
106 } qsv_errors[] = {
107 { MFX_ERR_NONE, 0, "success" },
108 { MFX_ERR_UNKNOWN, AVERROR_UNKNOWN, "unknown error" },
109 { MFX_ERR_NULL_PTR, AVERROR(EINVAL), "NULL pointer" },
110 { MFX_ERR_UNSUPPORTED, AVERROR(ENOSYS), "unsupported" },
111 { MFX_ERR_MEMORY_ALLOC, AVERROR(ENOMEM), "failed to allocate memory" },
112 { MFX_ERR_NOT_ENOUGH_BUFFER, AVERROR(ENOMEM), "insufficient input/output buffer" },
113 { MFX_ERR_INVALID_HANDLE, AVERROR(EINVAL), "invalid handle" },
114 { MFX_ERR_LOCK_MEMORY, AVERROR(EIO), "failed to lock the memory block" },
115 { MFX_ERR_NOT_INITIALIZED, AVERROR_BUG, "not initialized" },
116 { MFX_ERR_NOT_FOUND, AVERROR(ENOSYS), "specified object was not found" },
117 /* the following 3 errors should always be handled explicitly, so those "mappings"
118 * are for completeness only */
119 { MFX_ERR_MORE_DATA, AVERROR_UNKNOWN, "expect more data at input" },
120 { MFX_ERR_MORE_SURFACE, AVERROR_UNKNOWN, "expect more surface at output" },
121 { MFX_ERR_MORE_BITSTREAM, AVERROR_UNKNOWN, "expect more bitstream at output" },
122 { MFX_ERR_ABORTED, AVERROR_UNKNOWN, "operation aborted" },
123 { MFX_ERR_DEVICE_LOST, AVERROR(EIO), "device lost" },
124 { MFX_ERR_INCOMPATIBLE_VIDEO_PARAM, AVERROR(EINVAL), "incompatible video parameters" },
125 { MFX_ERR_INVALID_VIDEO_PARAM, AVERROR(EINVAL), "invalid video parameters" },
126 { MFX_ERR_UNDEFINED_BEHAVIOR, AVERROR_BUG, "undefined behavior" },
127 { MFX_ERR_DEVICE_FAILED, AVERROR(EIO), "device failed" },
128 { MFX_ERR_INCOMPATIBLE_AUDIO_PARAM, AVERROR(EINVAL), "incompatible audio parameters" },
129 { MFX_ERR_INVALID_AUDIO_PARAM, AVERROR(EINVAL), "invalid audio parameters" },
130
131 { MFX_WRN_IN_EXECUTION, 0, "operation in execution" },
132 { MFX_WRN_DEVICE_BUSY, 0, "device busy" },
133 { MFX_WRN_VIDEO_PARAM_CHANGED, 0, "video parameters changed" },
134 { MFX_WRN_PARTIAL_ACCELERATION, 0, "partial acceleration" },
135 { MFX_WRN_INCOMPATIBLE_VIDEO_PARAM, 0, "incompatible video parameters" },
136 { MFX_WRN_VALUE_NOT_CHANGED, 0, "value is saturated" },
137 { MFX_WRN_OUT_OF_RANGE, 0, "value out of range" },
138 { MFX_WRN_FILTER_SKIPPED, 0, "filter skipped" },
139 { MFX_WRN_INCOMPATIBLE_AUDIO_PARAM, 0, "incompatible audio parameters" },
140 };
141
142 /**
143 * Convert a libmfx error code into an FFmpeg error code.
144 */
qsv_map_error(mfxStatus mfx_err,const char ** desc)145 static int qsv_map_error(mfxStatus mfx_err, const char **desc)
146 {
147 int i;
148 for (i = 0; i < FF_ARRAY_ELEMS(qsv_errors); i++) {
149 if (qsv_errors[i].mfxerr == mfx_err) {
150 if (desc)
151 *desc = qsv_errors[i].desc;
152 return qsv_errors[i].averr;
153 }
154 }
155 if (desc)
156 *desc = "unknown error";
157 return AVERROR_UNKNOWN;
158 }
159
ff_qsv_print_error(void * log_ctx,mfxStatus err,const char * error_string)160 int ff_qsv_print_error(void *log_ctx, mfxStatus err,
161 const char *error_string)
162 {
163 const char *desc;
164 int ret = qsv_map_error(err, &desc);
165 av_log(log_ctx, AV_LOG_ERROR, "%s: %s (%d)\n", error_string, desc, err);
166 return ret;
167 }
168
ff_qsv_print_warning(void * log_ctx,mfxStatus err,const char * warning_string)169 int ff_qsv_print_warning(void *log_ctx, mfxStatus err,
170 const char *warning_string)
171 {
172 const char *desc;
173 int ret = qsv_map_error(err, &desc);
174 av_log(log_ctx, AV_LOG_WARNING, "%s: %s (%d)\n", warning_string, desc, err);
175 return ret;
176 }
177
ff_qsv_map_fourcc(uint32_t fourcc)178 enum AVPixelFormat ff_qsv_map_fourcc(uint32_t fourcc)
179 {
180 switch (fourcc) {
181 case MFX_FOURCC_NV12: return AV_PIX_FMT_NV12;
182 case MFX_FOURCC_P010: return AV_PIX_FMT_P010;
183 case MFX_FOURCC_P8: return AV_PIX_FMT_PAL8;
184 case MFX_FOURCC_A2RGB10: return AV_PIX_FMT_X2RGB10;
185 case MFX_FOURCC_RGB4: return AV_PIX_FMT_BGRA;
186 #if CONFIG_VAAPI
187 case MFX_FOURCC_YUY2: return AV_PIX_FMT_YUYV422;
188 case MFX_FOURCC_Y210: return AV_PIX_FMT_Y210;
189 #endif
190 }
191 return AV_PIX_FMT_NONE;
192 }
193
ff_qsv_map_pixfmt(enum AVPixelFormat format,uint32_t * fourcc)194 int ff_qsv_map_pixfmt(enum AVPixelFormat format, uint32_t *fourcc)
195 {
196 switch (format) {
197 case AV_PIX_FMT_YUV420P:
198 case AV_PIX_FMT_YUVJ420P:
199 case AV_PIX_FMT_NV12:
200 *fourcc = MFX_FOURCC_NV12;
201 return AV_PIX_FMT_NV12;
202 case AV_PIX_FMT_YUV420P10:
203 case AV_PIX_FMT_P010:
204 *fourcc = MFX_FOURCC_P010;
205 return AV_PIX_FMT_P010;
206 case AV_PIX_FMT_X2RGB10:
207 *fourcc = MFX_FOURCC_A2RGB10;
208 return AV_PIX_FMT_X2RGB10;
209 case AV_PIX_FMT_BGRA:
210 *fourcc = MFX_FOURCC_RGB4;
211 return AV_PIX_FMT_BGRA;
212 #if CONFIG_VAAPI
213 case AV_PIX_FMT_YUV422P:
214 case AV_PIX_FMT_YUYV422:
215 *fourcc = MFX_FOURCC_YUY2;
216 return AV_PIX_FMT_YUYV422;
217 case AV_PIX_FMT_YUV422P10:
218 case AV_PIX_FMT_Y210:
219 *fourcc = MFX_FOURCC_Y210;
220 return AV_PIX_FMT_Y210;
221 #endif
222 default:
223 return AVERROR(ENOSYS);
224 }
225 }
226
ff_qsv_map_frame_to_surface(const AVFrame * frame,mfxFrameSurface1 * surface)227 int ff_qsv_map_frame_to_surface(const AVFrame *frame, mfxFrameSurface1 *surface)
228 {
229 switch (frame->format) {
230 case AV_PIX_FMT_NV12:
231 case AV_PIX_FMT_P010:
232 surface->Data.Y = frame->data[0];
233 surface->Data.UV = frame->data[1];
234 /* The SDK checks Data.V when using system memory for VP9 encoding */
235 surface->Data.V = surface->Data.UV + 1;
236 break;
237 case AV_PIX_FMT_X2RGB10LE:
238 case AV_PIX_FMT_BGRA:
239 surface->Data.B = frame->data[0];
240 surface->Data.G = frame->data[0] + 1;
241 surface->Data.R = frame->data[0] + 2;
242 surface->Data.A = frame->data[0] + 3;
243 break;
244 case AV_PIX_FMT_YUYV422:
245 surface->Data.Y = frame->data[0];
246 surface->Data.U = frame->data[0] + 1;
247 surface->Data.V = frame->data[0] + 3;
248 break;
249
250 case AV_PIX_FMT_Y210:
251 surface->Data.Y16 = (mfxU16 *)frame->data[0];
252 surface->Data.U16 = (mfxU16 *)frame->data[0] + 1;
253 surface->Data.V16 = (mfxU16 *)frame->data[0] + 3;
254 break;
255 default:
256 return AVERROR(ENOSYS);
257 }
258 surface->Data.PitchLow = frame->linesize[0];
259
260 return 0;
261 }
262
ff_qsv_find_surface_idx(QSVFramesContext * ctx,QSVFrame * frame)263 int ff_qsv_find_surface_idx(QSVFramesContext *ctx, QSVFrame *frame)
264 {
265 int i;
266 for (i = 0; i < ctx->nb_mids; i++) {
267 QSVMid *mid = &ctx->mids[i];
268 mfxHDLPair *pair = (mfxHDLPair*)frame->surface.Data.MemId;
269 if ((mid->handle_pair->first == pair->first) &&
270 (mid->handle_pair->second == pair->second))
271 return i;
272 }
273 return AVERROR_BUG;
274 }
275
ff_qsv_map_picstruct(int mfx_pic_struct)276 enum AVFieldOrder ff_qsv_map_picstruct(int mfx_pic_struct)
277 {
278 enum AVFieldOrder field = AV_FIELD_UNKNOWN;
279 switch (mfx_pic_struct & 0xF) {
280 case MFX_PICSTRUCT_PROGRESSIVE:
281 field = AV_FIELD_PROGRESSIVE;
282 break;
283 case MFX_PICSTRUCT_FIELD_TFF:
284 field = AV_FIELD_TT;
285 break;
286 case MFX_PICSTRUCT_FIELD_BFF:
287 field = AV_FIELD_BB;
288 break;
289 }
290
291 return field;
292 }
293
ff_qsv_map_pictype(int mfx_pic_type)294 enum AVPictureType ff_qsv_map_pictype(int mfx_pic_type)
295 {
296 enum AVPictureType type;
297 switch (mfx_pic_type & 0x7) {
298 case MFX_FRAMETYPE_I:
299 if (mfx_pic_type & MFX_FRAMETYPE_S)
300 type = AV_PICTURE_TYPE_SI;
301 else
302 type = AV_PICTURE_TYPE_I;
303 break;
304 case MFX_FRAMETYPE_B:
305 type = AV_PICTURE_TYPE_B;
306 break;
307 case MFX_FRAMETYPE_P:
308 if (mfx_pic_type & MFX_FRAMETYPE_S)
309 type = AV_PICTURE_TYPE_SP;
310 else
311 type = AV_PICTURE_TYPE_P;
312 break;
313 case MFX_FRAMETYPE_UNKNOWN:
314 type = AV_PICTURE_TYPE_NONE;
315 break;
316 default:
317 av_assert0(0);
318 }
319
320 return type;
321 }
322
qsv_load_plugins(mfxSession session,const char * load_plugins,void * logctx)323 static int qsv_load_plugins(mfxSession session, const char *load_plugins,
324 void *logctx)
325 {
326 if (!load_plugins || !*load_plugins)
327 return 0;
328
329 while (*load_plugins) {
330 mfxPluginUID uid;
331 mfxStatus ret;
332 int i, err = 0;
333
334 char *plugin = av_get_token(&load_plugins, ":");
335 if (!plugin)
336 return AVERROR(ENOMEM);
337 if (strlen(plugin) != 2 * sizeof(uid.Data)) {
338 av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID length\n");
339 err = AVERROR(EINVAL);
340 goto load_plugin_fail;
341 }
342
343 for (i = 0; i < sizeof(uid.Data); i++) {
344 err = sscanf(plugin + 2 * i, "%2hhx", uid.Data + i);
345 if (err != 1) {
346 av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID\n");
347 err = AVERROR(EINVAL);
348 goto load_plugin_fail;
349 }
350
351 }
352
353 ret = MFXVideoUSER_Load(session, &uid, 1);
354 if (ret < 0) {
355 char errorbuf[128];
356 snprintf(errorbuf, sizeof(errorbuf),
357 "Could not load the requested plugin '%s'", plugin);
358 err = ff_qsv_print_error(logctx, ret, errorbuf);
359 goto load_plugin_fail;
360 }
361
362 if (*load_plugins)
363 load_plugins++;
364 load_plugin_fail:
365 av_freep(&plugin);
366 if (err < 0)
367 return err;
368 }
369
370 return 0;
371
372 }
373
374 //This code is only required for Linux since a display handle is required.
375 //For Windows the session is complete and ready to use.
376
377 #ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE
ff_qsv_set_display_handle(AVCodecContext * avctx,QSVSession * qs)378 static int ff_qsv_set_display_handle(AVCodecContext *avctx, QSVSession *qs)
379 {
380 AVDictionary *child_device_opts = NULL;
381 AVVAAPIDeviceContext *hwctx;
382 int ret;
383
384 av_dict_set(&child_device_opts, "kernel_driver", "i915", 0);
385 av_dict_set(&child_device_opts, "driver", "iHD", 0);
386
387 ret = av_hwdevice_ctx_create(&qs->va_device_ref, AV_HWDEVICE_TYPE_VAAPI, NULL, child_device_opts, 0);
388 av_dict_free(&child_device_opts);
389 if (ret < 0) {
390 av_log(avctx, AV_LOG_ERROR, "Failed to create a VAAPI device.\n");
391 return ret;
392 } else {
393 qs->va_device_ctx = (AVHWDeviceContext*)qs->va_device_ref->data;
394 hwctx = qs->va_device_ctx->hwctx;
395
396 ret = MFXVideoCORE_SetHandle(qs->session,
397 (mfxHandleType)MFX_HANDLE_VA_DISPLAY, (mfxHDL)hwctx->display);
398 if (ret < 0) {
399 return ff_qsv_print_error(avctx, ret, "Error during set display handle\n");
400 }
401 }
402
403 return 0;
404 }
405 #endif //AVCODEC_QSV_LINUX_SESSION_HANDLE
406
ff_qsv_init_internal_session(AVCodecContext * avctx,QSVSession * qs,const char * load_plugins,int gpu_copy)407 int ff_qsv_init_internal_session(AVCodecContext *avctx, QSVSession *qs,
408 const char *load_plugins, int gpu_copy)
409 {
410 #if CONFIG_D3D11VA
411 mfxIMPL impl = MFX_IMPL_AUTO_ANY | MFX_IMPL_VIA_D3D11;
412 #else
413 mfxIMPL impl = MFX_IMPL_AUTO_ANY;
414 #endif
415 mfxVersion ver = { { QSV_VERSION_MINOR, QSV_VERSION_MAJOR } };
416 mfxInitParam init_par = { MFX_IMPL_AUTO_ANY };
417
418 const char *desc;
419 int ret;
420
421 init_par.GPUCopy = gpu_copy;
422 init_par.Implementation = impl;
423 init_par.Version = ver;
424 ret = MFXInitEx(init_par, &qs->session);
425 if (ret < 0)
426 return ff_qsv_print_error(avctx, ret,
427 "Error initializing an internal MFX session");
428
429 #ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE
430 ret = ff_qsv_set_display_handle(avctx, qs);
431 if (ret < 0)
432 return ret;
433 #endif
434
435 ret = qsv_load_plugins(qs->session, load_plugins, avctx);
436 if (ret < 0) {
437 av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
438 return ret;
439 }
440
441 ret = MFXQueryIMPL(qs->session, &impl);
442 if (ret != MFX_ERR_NONE)
443 return ff_qsv_print_error(avctx, ret,
444 "Error querying the session attributes");
445
446 switch (MFX_IMPL_BASETYPE(impl)) {
447 case MFX_IMPL_SOFTWARE:
448 desc = "software";
449 break;
450 case MFX_IMPL_HARDWARE:
451 case MFX_IMPL_HARDWARE2:
452 case MFX_IMPL_HARDWARE3:
453 case MFX_IMPL_HARDWARE4:
454 desc = "hardware accelerated";
455 break;
456 default:
457 desc = "unknown";
458 }
459
460 av_log(avctx, AV_LOG_VERBOSE,
461 "Initialized an internal MFX session using %s implementation\n",
462 desc);
463
464 return 0;
465 }
466
mids_buf_free(void * opaque,uint8_t * data)467 static void mids_buf_free(void *opaque, uint8_t *data)
468 {
469 AVBufferRef *hw_frames_ref = opaque;
470 av_buffer_unref(&hw_frames_ref);
471 av_freep(&data);
472 }
473
qsv_create_mids(AVBufferRef * hw_frames_ref)474 static AVBufferRef *qsv_create_mids(AVBufferRef *hw_frames_ref)
475 {
476 AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data;
477 AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
478 int nb_surfaces = frames_hwctx->nb_surfaces;
479
480 AVBufferRef *mids_buf, *hw_frames_ref1;
481 QSVMid *mids;
482 int i;
483
484 hw_frames_ref1 = av_buffer_ref(hw_frames_ref);
485 if (!hw_frames_ref1)
486 return NULL;
487
488 mids = av_calloc(nb_surfaces, sizeof(*mids));
489 if (!mids) {
490 av_buffer_unref(&hw_frames_ref1);
491 return NULL;
492 }
493
494 mids_buf = av_buffer_create((uint8_t*)mids, nb_surfaces * sizeof(*mids),
495 mids_buf_free, hw_frames_ref1, 0);
496 if (!mids_buf) {
497 av_buffer_unref(&hw_frames_ref1);
498 av_freep(&mids);
499 return NULL;
500 }
501
502 for (i = 0; i < nb_surfaces; i++) {
503 QSVMid *mid = &mids[i];
504 mid->handle_pair = (mfxHDLPair*)frames_hwctx->surfaces[i].Data.MemId;
505 mid->hw_frames_ref = hw_frames_ref1;
506 }
507
508 return mids_buf;
509 }
510
qsv_setup_mids(mfxFrameAllocResponse * resp,AVBufferRef * hw_frames_ref,AVBufferRef * mids_buf)511 static int qsv_setup_mids(mfxFrameAllocResponse *resp, AVBufferRef *hw_frames_ref,
512 AVBufferRef *mids_buf)
513 {
514 AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data;
515 AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
516 QSVMid *mids = (QSVMid*)mids_buf->data;
517 int nb_surfaces = frames_hwctx->nb_surfaces;
518 int i;
519
520 // the allocated size of the array is two larger than the number of
521 // surfaces, we store the references to the frames context and the
522 // QSVMid array there
523 resp->mids = av_calloc(nb_surfaces + 2, sizeof(*resp->mids));
524 if (!resp->mids)
525 return AVERROR(ENOMEM);
526
527 for (i = 0; i < nb_surfaces; i++)
528 resp->mids[i] = &mids[i];
529 resp->NumFrameActual = nb_surfaces;
530
531 resp->mids[resp->NumFrameActual] = (mfxMemId)av_buffer_ref(hw_frames_ref);
532 if (!resp->mids[resp->NumFrameActual]) {
533 av_freep(&resp->mids);
534 return AVERROR(ENOMEM);
535 }
536
537 resp->mids[resp->NumFrameActual + 1] = av_buffer_ref(mids_buf);
538 if (!resp->mids[resp->NumFrameActual + 1]) {
539 av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]);
540 av_freep(&resp->mids);
541 return AVERROR(ENOMEM);
542 }
543
544 return 0;
545 }
546
qsv_frame_alloc(mfxHDL pthis,mfxFrameAllocRequest * req,mfxFrameAllocResponse * resp)547 static mfxStatus qsv_frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req,
548 mfxFrameAllocResponse *resp)
549 {
550 QSVFramesContext *ctx = pthis;
551 int ret;
552
553 /* this should only be called from an encoder or decoder and
554 * only allocates video memory frames */
555 if (!(req->Type & (MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET |
556 MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET)) ||
557 !(req->Type & (MFX_MEMTYPE_FROM_DECODE | MFX_MEMTYPE_FROM_ENCODE)))
558 return MFX_ERR_UNSUPPORTED;
559
560 if (req->Type & MFX_MEMTYPE_EXTERNAL_FRAME) {
561 /* external frames -- fill from the caller-supplied frames context */
562 AVHWFramesContext *frames_ctx = (AVHWFramesContext*)ctx->hw_frames_ctx->data;
563 AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
564 mfxFrameInfo *i = &req->Info;
565 mfxFrameInfo *i1 = &frames_hwctx->surfaces[0].Info;
566
567 if (i->Width > i1->Width || i->Height > i1->Height ||
568 i->FourCC != i1->FourCC || i->ChromaFormat != i1->ChromaFormat) {
569 av_log(ctx->logctx, AV_LOG_ERROR, "Mismatching surface properties in an "
570 "allocation request: %dx%d %d %d vs %dx%d %d %d\n",
571 i->Width, i->Height, i->FourCC, i->ChromaFormat,
572 i1->Width, i1->Height, i1->FourCC, i1->ChromaFormat);
573 return MFX_ERR_UNSUPPORTED;
574 }
575
576 ret = qsv_setup_mids(resp, ctx->hw_frames_ctx, ctx->mids_buf);
577 if (ret < 0) {
578 av_log(ctx->logctx, AV_LOG_ERROR,
579 "Error filling an external frame allocation request\n");
580 return MFX_ERR_MEMORY_ALLOC;
581 }
582 } else if (req->Type & MFX_MEMTYPE_INTERNAL_FRAME) {
583 /* internal frames -- allocate a new hw frames context */
584 AVHWFramesContext *ext_frames_ctx = (AVHWFramesContext*)ctx->hw_frames_ctx->data;
585 mfxFrameInfo *i = &req->Info;
586
587 AVBufferRef *frames_ref, *mids_buf;
588 AVHWFramesContext *frames_ctx;
589 AVQSVFramesContext *frames_hwctx;
590
591 frames_ref = av_hwframe_ctx_alloc(ext_frames_ctx->device_ref);
592 if (!frames_ref)
593 return MFX_ERR_MEMORY_ALLOC;
594
595 frames_ctx = (AVHWFramesContext*)frames_ref->data;
596 frames_hwctx = frames_ctx->hwctx;
597
598 frames_ctx->format = AV_PIX_FMT_QSV;
599 frames_ctx->sw_format = ff_qsv_map_fourcc(i->FourCC);
600 frames_ctx->width = i->Width;
601 frames_ctx->height = i->Height;
602 frames_ctx->initial_pool_size = req->NumFrameSuggested;
603
604 frames_hwctx->frame_type = req->Type;
605
606 ret = av_hwframe_ctx_init(frames_ref);
607 if (ret < 0) {
608 av_log(ctx->logctx, AV_LOG_ERROR,
609 "Error initializing a frames context for an internal frame "
610 "allocation request\n");
611 av_buffer_unref(&frames_ref);
612 return MFX_ERR_MEMORY_ALLOC;
613 }
614
615 mids_buf = qsv_create_mids(frames_ref);
616 if (!mids_buf) {
617 av_buffer_unref(&frames_ref);
618 return MFX_ERR_MEMORY_ALLOC;
619 }
620
621 ret = qsv_setup_mids(resp, frames_ref, mids_buf);
622 av_buffer_unref(&mids_buf);
623 av_buffer_unref(&frames_ref);
624 if (ret < 0) {
625 av_log(ctx->logctx, AV_LOG_ERROR,
626 "Error filling an internal frame allocation request\n");
627 return MFX_ERR_MEMORY_ALLOC;
628 }
629 } else {
630 return MFX_ERR_UNSUPPORTED;
631 }
632
633 return MFX_ERR_NONE;
634 }
635
qsv_frame_free(mfxHDL pthis,mfxFrameAllocResponse * resp)636 static mfxStatus qsv_frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
637 {
638 av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]);
639 av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual + 1]);
640 av_freep(&resp->mids);
641 return MFX_ERR_NONE;
642 }
643
qsv_frame_lock(mfxHDL pthis,mfxMemId mid,mfxFrameData * ptr)644 static mfxStatus qsv_frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
645 {
646 QSVMid *qsv_mid = mid;
647 AVHWFramesContext *hw_frames_ctx = (AVHWFramesContext*)qsv_mid->hw_frames_ref->data;
648 AVQSVFramesContext *hw_frames_hwctx = hw_frames_ctx->hwctx;
649 int ret;
650
651 if (qsv_mid->locked_frame)
652 return MFX_ERR_UNDEFINED_BEHAVIOR;
653
654 /* Allocate a system memory frame that will hold the mapped data. */
655 qsv_mid->locked_frame = av_frame_alloc();
656 if (!qsv_mid->locked_frame)
657 return MFX_ERR_MEMORY_ALLOC;
658 qsv_mid->locked_frame->format = hw_frames_ctx->sw_format;
659
660 /* wrap the provided handle in a hwaccel AVFrame */
661 qsv_mid->hw_frame = av_frame_alloc();
662 if (!qsv_mid->hw_frame)
663 goto fail;
664
665 qsv_mid->hw_frame->data[3] = (uint8_t*)&qsv_mid->surf;
666 qsv_mid->hw_frame->format = AV_PIX_FMT_QSV;
667
668 // doesn't really matter what buffer is used here
669 qsv_mid->hw_frame->buf[0] = av_buffer_alloc(1);
670 if (!qsv_mid->hw_frame->buf[0])
671 goto fail;
672
673 qsv_mid->hw_frame->width = hw_frames_ctx->width;
674 qsv_mid->hw_frame->height = hw_frames_ctx->height;
675
676 qsv_mid->hw_frame->hw_frames_ctx = av_buffer_ref(qsv_mid->hw_frames_ref);
677 if (!qsv_mid->hw_frame->hw_frames_ctx)
678 goto fail;
679
680 qsv_mid->surf.Info = hw_frames_hwctx->surfaces[0].Info;
681 qsv_mid->surf.Data.MemId = qsv_mid->handle_pair;
682
683 /* map the data to the system memory */
684 ret = av_hwframe_map(qsv_mid->locked_frame, qsv_mid->hw_frame,
685 AV_HWFRAME_MAP_DIRECT);
686 if (ret < 0)
687 goto fail;
688
689 ptr->Pitch = qsv_mid->locked_frame->linesize[0];
690 ptr->Y = qsv_mid->locked_frame->data[0];
691 ptr->U = qsv_mid->locked_frame->data[1];
692 ptr->V = qsv_mid->locked_frame->data[1] + 1;
693
694 return MFX_ERR_NONE;
695 fail:
696 av_frame_free(&qsv_mid->hw_frame);
697 av_frame_free(&qsv_mid->locked_frame);
698 return MFX_ERR_MEMORY_ALLOC;
699 }
700
qsv_frame_unlock(mfxHDL pthis,mfxMemId mid,mfxFrameData * ptr)701 static mfxStatus qsv_frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
702 {
703 QSVMid *qsv_mid = mid;
704
705 av_frame_free(&qsv_mid->locked_frame);
706 av_frame_free(&qsv_mid->hw_frame);
707
708 return MFX_ERR_NONE;
709 }
710
qsv_frame_get_hdl(mfxHDL pthis,mfxMemId mid,mfxHDL * hdl)711 static mfxStatus qsv_frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
712 {
713 QSVMid *qsv_mid = (QSVMid*)mid;
714 mfxHDLPair *pair_dst = (mfxHDLPair*)hdl;
715 mfxHDLPair *pair_src = (mfxHDLPair*)qsv_mid->handle_pair;
716
717 pair_dst->first = pair_src->first;
718
719 if (pair_src->second != (mfxMemId)MFX_INFINITE)
720 pair_dst->second = pair_src->second;
721 return MFX_ERR_NONE;
722 }
723
ff_qsv_init_session_device(AVCodecContext * avctx,mfxSession * psession,AVBufferRef * device_ref,const char * load_plugins,int gpu_copy)724 int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession,
725 AVBufferRef *device_ref, const char *load_plugins,
726 int gpu_copy)
727 {
728 AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)device_ref->data;
729 AVQSVDeviceContext *device_hwctx = device_ctx->hwctx;
730 mfxSession parent_session = device_hwctx->session;
731 mfxInitParam init_par = { MFX_IMPL_AUTO_ANY };
732 mfxHDL handle = NULL;
733 int hw_handle_supported = 0;
734
735 mfxSession session;
736 mfxVersion ver;
737 mfxIMPL impl;
738 mfxHandleType handle_type;
739 mfxStatus err;
740 int ret;
741
742 err = MFXQueryIMPL(parent_session, &impl);
743 if (err == MFX_ERR_NONE)
744 err = MFXQueryVersion(parent_session, &ver);
745 if (err != MFX_ERR_NONE)
746 return ff_qsv_print_error(avctx, err,
747 "Error querying the session attributes");
748
749 if (MFX_IMPL_VIA_VAAPI == MFX_IMPL_VIA_MASK(impl)) {
750 handle_type = MFX_HANDLE_VA_DISPLAY;
751 hw_handle_supported = 1;
752 } else if (MFX_IMPL_VIA_D3D11 == MFX_IMPL_VIA_MASK(impl)) {
753 handle_type = MFX_HANDLE_D3D11_DEVICE;
754 hw_handle_supported = 1;
755 } else if (MFX_IMPL_VIA_D3D9 == MFX_IMPL_VIA_MASK(impl)) {
756 handle_type = MFX_HANDLE_D3D9_DEVICE_MANAGER;
757 hw_handle_supported = 1;
758 }
759
760 if (hw_handle_supported) {
761 err = MFXVideoCORE_GetHandle(parent_session, handle_type, &handle);
762 if (err != MFX_ERR_NONE) {
763 return ff_qsv_print_error(avctx, err,
764 "Error getting handle session");
765 }
766 }
767 if (!handle) {
768 av_log(avctx, AV_LOG_VERBOSE, "No supported hw handle could be retrieved "
769 "from the session\n");
770 }
771
772 init_par.GPUCopy = gpu_copy;
773 init_par.Implementation = impl;
774 init_par.Version = ver;
775 err = MFXInitEx(init_par, &session);
776 if (err != MFX_ERR_NONE)
777 return ff_qsv_print_error(avctx, err,
778 "Error initializing a child MFX session");
779
780 if (handle) {
781 err = MFXVideoCORE_SetHandle(session, handle_type, handle);
782 if (err != MFX_ERR_NONE)
783 return ff_qsv_print_error(avctx, err,
784 "Error setting a HW handle");
785 }
786
787 if (QSV_RUNTIME_VERSION_ATLEAST(ver, 1, 25)) {
788 err = MFXJoinSession(parent_session, session);
789 if (err != MFX_ERR_NONE)
790 return ff_qsv_print_error(avctx, err,
791 "Error joining session");
792 }
793
794 ret = qsv_load_plugins(session, load_plugins, avctx);
795 if (ret < 0) {
796 av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
797 return ret;
798 }
799
800 *psession = session;
801 return 0;
802 }
803
ff_qsv_init_session_frames(AVCodecContext * avctx,mfxSession * psession,QSVFramesContext * qsv_frames_ctx,const char * load_plugins,int opaque,int gpu_copy)804 int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *psession,
805 QSVFramesContext *qsv_frames_ctx,
806 const char *load_plugins, int opaque, int gpu_copy)
807 {
808 mfxFrameAllocator frame_allocator = {
809 .pthis = qsv_frames_ctx,
810 .Alloc = qsv_frame_alloc,
811 .Lock = qsv_frame_lock,
812 .Unlock = qsv_frame_unlock,
813 .GetHDL = qsv_frame_get_hdl,
814 .Free = qsv_frame_free,
815 };
816
817 AVHWFramesContext *frames_ctx = (AVHWFramesContext*)qsv_frames_ctx->hw_frames_ctx->data;
818 AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
819
820 mfxSession session;
821 mfxStatus err;
822
823 int ret;
824
825 ret = ff_qsv_init_session_device(avctx, &session,
826 frames_ctx->device_ref, load_plugins, gpu_copy);
827 if (ret < 0)
828 return ret;
829
830 if (!opaque) {
831 qsv_frames_ctx->logctx = avctx;
832
833 /* allocate the memory ids for the external frames */
834 av_buffer_unref(&qsv_frames_ctx->mids_buf);
835 qsv_frames_ctx->mids_buf = qsv_create_mids(qsv_frames_ctx->hw_frames_ctx);
836 if (!qsv_frames_ctx->mids_buf)
837 return AVERROR(ENOMEM);
838 qsv_frames_ctx->mids = (QSVMid*)qsv_frames_ctx->mids_buf->data;
839 qsv_frames_ctx->nb_mids = frames_hwctx->nb_surfaces;
840
841 err = MFXVideoCORE_SetFrameAllocator(session, &frame_allocator);
842 if (err != MFX_ERR_NONE)
843 return ff_qsv_print_error(avctx, err,
844 "Error setting a frame allocator");
845 }
846
847 *psession = session;
848 return 0;
849 }
850
ff_qsv_close_internal_session(QSVSession * qs)851 int ff_qsv_close_internal_session(QSVSession *qs)
852 {
853 if (qs->session) {
854 MFXClose(qs->session);
855 qs->session = NULL;
856 }
857 #ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE
858 av_buffer_unref(&qs->va_device_ref);
859 #endif
860 return 0;
861 }
862
ff_qsv_frame_add_ext_param(AVCodecContext * avctx,QSVFrame * frame,mfxExtBuffer * param)863 void ff_qsv_frame_add_ext_param (AVCodecContext *avctx, QSVFrame *frame,
864 mfxExtBuffer * param)
865 {
866 int i;
867
868 for (i = 0; i < frame->num_ext_params; i++) {
869 mfxExtBuffer *ext_buffer = frame->ext_param[i];
870
871 if (ext_buffer->BufferId == param->BufferId) {
872 av_log(avctx, AV_LOG_WARNING, "A buffer with the same type has been "
873 "added\n");
874 return;
875 }
876 }
877
878 if (frame->num_ext_params < QSV_MAX_FRAME_EXT_PARAMS) {
879 frame->ext_param[frame->num_ext_params] = param;
880 frame->num_ext_params++;
881 frame->surface.Data.NumExtParam = frame->num_ext_params;
882 } else {
883 av_log(avctx, AV_LOG_WARNING, "Ignore this extra buffer because do not "
884 "have enough space\n");
885 }
886
887
888 }
889