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