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 "config.h"
20
21 #include "libavutil/avassert.h"
22 #include "libavutil/imgutils.h"
23 #include "libavutil/hwcontext.h"
24 #if CONFIG_D3D11VA
25 #include "libavutil/hwcontext_d3d11va.h"
26 #endif
27 #if CONFIG_DXVA2
28 #define COBJMACROS
29 #include "libavutil/hwcontext_dxva2.h"
30 #endif
31 #include "libavutil/mem.h"
32 #include "libavutil/pixdesc.h"
33 #include "libavutil/time.h"
34
35 #include "amfenc.h"
36 #include "encode.h"
37 #include "internal.h"
38
39 #if CONFIG_D3D11VA
40 #include <d3d11.h>
41 #endif
42
43 #ifdef _WIN32
44 #include "compat/w32dlfcn.h"
45 #else
46 #include <dlfcn.h>
47 #endif
48
49 #define FFMPEG_AMF_WRITER_ID L"ffmpeg_amf"
50
51 #define PTS_PROP L"PtsProp"
52
53 const enum AVPixelFormat ff_amf_pix_fmts[] = {
54 AV_PIX_FMT_NV12,
55 AV_PIX_FMT_YUV420P,
56 #if CONFIG_D3D11VA
57 AV_PIX_FMT_D3D11,
58 #endif
59 #if CONFIG_DXVA2
60 AV_PIX_FMT_DXVA2_VLD,
61 #endif
62 AV_PIX_FMT_NONE
63 };
64
65 typedef struct FormatMap {
66 enum AVPixelFormat av_format;
67 enum AMF_SURFACE_FORMAT amf_format;
68 } FormatMap;
69
70 static const FormatMap format_map[] =
71 {
72 { AV_PIX_FMT_NONE, AMF_SURFACE_UNKNOWN },
73 { AV_PIX_FMT_NV12, AMF_SURFACE_NV12 },
74 { AV_PIX_FMT_BGR0, AMF_SURFACE_BGRA },
75 { AV_PIX_FMT_RGB0, AMF_SURFACE_RGBA },
76 { AV_PIX_FMT_GRAY8, AMF_SURFACE_GRAY8 },
77 { AV_PIX_FMT_YUV420P, AMF_SURFACE_YUV420P },
78 { AV_PIX_FMT_YUYV422, AMF_SURFACE_YUY2 },
79 };
80
amf_av_to_amf_format(enum AVPixelFormat fmt)81 static enum AMF_SURFACE_FORMAT amf_av_to_amf_format(enum AVPixelFormat fmt)
82 {
83 int i;
84 for (i = 0; i < amf_countof(format_map); i++) {
85 if (format_map[i].av_format == fmt) {
86 return format_map[i].amf_format;
87 }
88 }
89 return AMF_SURFACE_UNKNOWN;
90 }
91
AMFTraceWriter_Write(AMFTraceWriter * pThis,const wchar_t * scope,const wchar_t * message)92 static void AMF_CDECL_CALL AMFTraceWriter_Write(AMFTraceWriter *pThis,
93 const wchar_t *scope, const wchar_t *message)
94 {
95 AmfTraceWriter *tracer = (AmfTraceWriter*)pThis;
96 av_log(tracer->avctx, AV_LOG_DEBUG, "%ls: %ls", scope, message); // \n is provided from AMF
97 }
98
AMFTraceWriter_Flush(AMFTraceWriter * pThis)99 static void AMF_CDECL_CALL AMFTraceWriter_Flush(AMFTraceWriter *pThis)
100 {
101 }
102
103 static AMFTraceWriterVtbl tracer_vtbl =
104 {
105 .Write = AMFTraceWriter_Write,
106 .Flush = AMFTraceWriter_Flush,
107 };
108
amf_load_library(AVCodecContext * avctx)109 static int amf_load_library(AVCodecContext *avctx)
110 {
111 AmfContext *ctx = avctx->priv_data;
112 AMFInit_Fn init_fun;
113 AMFQueryVersion_Fn version_fun;
114 AMF_RESULT res;
115
116 ctx->delayed_frame = av_frame_alloc();
117 if (!ctx->delayed_frame) {
118 return AVERROR(ENOMEM);
119 }
120 // hardcoded to current HW queue size - will realloc in timestamp_queue_enqueue() if too small
121 ctx->timestamp_list = av_fifo_alloc((avctx->max_b_frames + 16) * sizeof(int64_t));
122 if (!ctx->timestamp_list) {
123 return AVERROR(ENOMEM);
124 }
125 ctx->dts_delay = 0;
126
127
128 ctx->library = dlopen(AMF_DLL_NAMEA, RTLD_NOW | RTLD_LOCAL);
129 AMF_RETURN_IF_FALSE(ctx, ctx->library != NULL,
130 AVERROR_UNKNOWN, "DLL %s failed to open\n", AMF_DLL_NAMEA);
131
132 init_fun = (AMFInit_Fn)dlsym(ctx->library, AMF_INIT_FUNCTION_NAME);
133 AMF_RETURN_IF_FALSE(ctx, init_fun != NULL, AVERROR_UNKNOWN, "DLL %s failed to find function %s\n", AMF_DLL_NAMEA, AMF_INIT_FUNCTION_NAME);
134
135 version_fun = (AMFQueryVersion_Fn)dlsym(ctx->library, AMF_QUERY_VERSION_FUNCTION_NAME);
136 AMF_RETURN_IF_FALSE(ctx, version_fun != NULL, AVERROR_UNKNOWN, "DLL %s failed to find function %s\n", AMF_DLL_NAMEA, AMF_QUERY_VERSION_FUNCTION_NAME);
137
138 res = version_fun(&ctx->version);
139 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "%s failed with error %d\n", AMF_QUERY_VERSION_FUNCTION_NAME, res);
140 res = init_fun(AMF_FULL_VERSION, &ctx->factory);
141 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "%s failed with error %d\n", AMF_INIT_FUNCTION_NAME, res);
142 res = ctx->factory->pVtbl->GetTrace(ctx->factory, &ctx->trace);
143 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "GetTrace() failed with error %d\n", res);
144 res = ctx->factory->pVtbl->GetDebug(ctx->factory, &ctx->debug);
145 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "GetDebug() failed with error %d\n", res);
146 return 0;
147 }
148
149 #if CONFIG_D3D11VA
amf_init_from_d3d11_device(AVCodecContext * avctx,AVD3D11VADeviceContext * hwctx)150 static int amf_init_from_d3d11_device(AVCodecContext *avctx, AVD3D11VADeviceContext *hwctx)
151 {
152 AmfContext *ctx = avctx->priv_data;
153 AMF_RESULT res;
154
155 res = ctx->context->pVtbl->InitDX11(ctx->context, hwctx->device, AMF_DX11_1);
156 if (res != AMF_OK) {
157 if (res == AMF_NOT_SUPPORTED)
158 av_log(avctx, AV_LOG_ERROR, "AMF via D3D11 is not supported on the given device.\n");
159 else
160 av_log(avctx, AV_LOG_ERROR, "AMF failed to initialise on the given D3D11 device: %d.\n", res);
161 return AVERROR(ENODEV);
162 }
163
164 return 0;
165 }
166 #endif
167
168 #if CONFIG_DXVA2
amf_init_from_dxva2_device(AVCodecContext * avctx,AVDXVA2DeviceContext * hwctx)169 static int amf_init_from_dxva2_device(AVCodecContext *avctx, AVDXVA2DeviceContext *hwctx)
170 {
171 AmfContext *ctx = avctx->priv_data;
172 HANDLE device_handle;
173 IDirect3DDevice9 *device;
174 HRESULT hr;
175 AMF_RESULT res;
176 int ret;
177
178 hr = IDirect3DDeviceManager9_OpenDeviceHandle(hwctx->devmgr, &device_handle);
179 if (FAILED(hr)) {
180 av_log(avctx, AV_LOG_ERROR, "Failed to open device handle for Direct3D9 device: %lx.\n", (unsigned long)hr);
181 return AVERROR_EXTERNAL;
182 }
183
184 hr = IDirect3DDeviceManager9_LockDevice(hwctx->devmgr, device_handle, &device, FALSE);
185 if (SUCCEEDED(hr)) {
186 IDirect3DDeviceManager9_UnlockDevice(hwctx->devmgr, device_handle, FALSE);
187 ret = 0;
188 } else {
189 av_log(avctx, AV_LOG_ERROR, "Failed to lock device handle for Direct3D9 device: %lx.\n", (unsigned long)hr);
190 ret = AVERROR_EXTERNAL;
191 }
192
193 IDirect3DDeviceManager9_CloseDeviceHandle(hwctx->devmgr, device_handle);
194
195 if (ret < 0)
196 return ret;
197
198 res = ctx->context->pVtbl->InitDX9(ctx->context, device);
199
200 IDirect3DDevice9_Release(device);
201
202 if (res != AMF_OK) {
203 if (res == AMF_NOT_SUPPORTED)
204 av_log(avctx, AV_LOG_ERROR, "AMF via D3D9 is not supported on the given device.\n");
205 else
206 av_log(avctx, AV_LOG_ERROR, "AMF failed to initialise on given D3D9 device: %d.\n", res);
207 return AVERROR(ENODEV);
208 }
209
210 return 0;
211 }
212 #endif
213
amf_init_context(AVCodecContext * avctx)214 static int amf_init_context(AVCodecContext *avctx)
215 {
216 AmfContext *ctx = avctx->priv_data;
217 AMFContext1 *context1 = NULL;
218 AMF_RESULT res;
219 av_unused int ret;
220
221 ctx->hwsurfaces_in_queue = 0;
222 ctx->hwsurfaces_in_queue_max = 16;
223
224 // configure AMF logger
225 // the return of these functions indicates old state and do not affect behaviour
226 ctx->trace->pVtbl->EnableWriter(ctx->trace, AMF_TRACE_WRITER_DEBUG_OUTPUT, ctx->log_to_dbg != 0 );
227 if (ctx->log_to_dbg)
228 ctx->trace->pVtbl->SetWriterLevel(ctx->trace, AMF_TRACE_WRITER_DEBUG_OUTPUT, AMF_TRACE_TRACE);
229 ctx->trace->pVtbl->EnableWriter(ctx->trace, AMF_TRACE_WRITER_CONSOLE, 0);
230 ctx->trace->pVtbl->SetGlobalLevel(ctx->trace, AMF_TRACE_TRACE);
231
232 // connect AMF logger to av_log
233 ctx->tracer.vtbl = &tracer_vtbl;
234 ctx->tracer.avctx = avctx;
235 ctx->trace->pVtbl->RegisterWriter(ctx->trace, FFMPEG_AMF_WRITER_ID,(AMFTraceWriter*)&ctx->tracer, 1);
236 ctx->trace->pVtbl->SetWriterLevel(ctx->trace, FFMPEG_AMF_WRITER_ID, AMF_TRACE_TRACE);
237
238 res = ctx->factory->pVtbl->CreateContext(ctx->factory, &ctx->context);
239 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "CreateContext() failed with error %d\n", res);
240
241 // If a device was passed to the encoder, try to initialise from that.
242 if (avctx->hw_frames_ctx) {
243 AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
244
245 if (amf_av_to_amf_format(frames_ctx->sw_format) == AMF_SURFACE_UNKNOWN) {
246 av_log(avctx, AV_LOG_ERROR, "Format of input frames context (%s) is not supported by AMF.\n",
247 av_get_pix_fmt_name(frames_ctx->sw_format));
248 return AVERROR(EINVAL);
249 }
250
251 switch (frames_ctx->device_ctx->type) {
252 #if CONFIG_D3D11VA
253 case AV_HWDEVICE_TYPE_D3D11VA:
254 ret = amf_init_from_d3d11_device(avctx, frames_ctx->device_ctx->hwctx);
255 if (ret < 0)
256 return ret;
257 break;
258 #endif
259 #if CONFIG_DXVA2
260 case AV_HWDEVICE_TYPE_DXVA2:
261 ret = amf_init_from_dxva2_device(avctx, frames_ctx->device_ctx->hwctx);
262 if (ret < 0)
263 return ret;
264 break;
265 #endif
266 default:
267 av_log(avctx, AV_LOG_ERROR, "AMF initialisation from a %s frames context is not supported.\n",
268 av_hwdevice_get_type_name(frames_ctx->device_ctx->type));
269 return AVERROR(ENOSYS);
270 }
271
272 ctx->hw_frames_ctx = av_buffer_ref(avctx->hw_frames_ctx);
273 if (!ctx->hw_frames_ctx)
274 return AVERROR(ENOMEM);
275
276 if (frames_ctx->initial_pool_size > 0)
277 ctx->hwsurfaces_in_queue_max = frames_ctx->initial_pool_size - 1;
278
279 } else if (avctx->hw_device_ctx) {
280 AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)avctx->hw_device_ctx->data;
281
282 switch (device_ctx->type) {
283 #if CONFIG_D3D11VA
284 case AV_HWDEVICE_TYPE_D3D11VA:
285 ret = amf_init_from_d3d11_device(avctx, device_ctx->hwctx);
286 if (ret < 0)
287 return ret;
288 break;
289 #endif
290 #if CONFIG_DXVA2
291 case AV_HWDEVICE_TYPE_DXVA2:
292 ret = amf_init_from_dxva2_device(avctx, device_ctx->hwctx);
293 if (ret < 0)
294 return ret;
295 break;
296 #endif
297 default:
298 av_log(avctx, AV_LOG_ERROR, "AMF initialisation from a %s device is not supported.\n",
299 av_hwdevice_get_type_name(device_ctx->type));
300 return AVERROR(ENOSYS);
301 }
302
303 ctx->hw_device_ctx = av_buffer_ref(avctx->hw_device_ctx);
304 if (!ctx->hw_device_ctx)
305 return AVERROR(ENOMEM);
306
307 } else {
308 res = ctx->context->pVtbl->InitDX11(ctx->context, NULL, AMF_DX11_1);
309 if (res == AMF_OK) {
310 av_log(avctx, AV_LOG_VERBOSE, "AMF initialisation succeeded via D3D11.\n");
311 } else {
312 res = ctx->context->pVtbl->InitDX9(ctx->context, NULL);
313 if (res == AMF_OK) {
314 av_log(avctx, AV_LOG_VERBOSE, "AMF initialisation succeeded via D3D9.\n");
315 } else {
316 AMFGuid guid = IID_AMFContext1();
317 res = ctx->context->pVtbl->QueryInterface(ctx->context, &guid, (void**)&context1);
318 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "CreateContext1() failed with error %d\n", res);
319
320 res = context1->pVtbl->InitVulkan(context1, NULL);
321 context1->pVtbl->Release(context1);
322 if (res != AMF_OK) {
323 if (res == AMF_NOT_SUPPORTED)
324 av_log(avctx, AV_LOG_ERROR, "AMF via Vulkan is not supported on the given device.\n");
325 else
326 av_log(avctx, AV_LOG_ERROR, "AMF failed to initialise on the given Vulkan device: %d.\n", res);
327 return AVERROR(ENOSYS);
328 }
329 av_log(avctx, AV_LOG_VERBOSE, "AMF initialisation succeeded via Vulkan.\n");
330 }
331 }
332 }
333 return 0;
334 }
335
amf_init_encoder(AVCodecContext * avctx)336 static int amf_init_encoder(AVCodecContext *avctx)
337 {
338 AmfContext *ctx = avctx->priv_data;
339 const wchar_t *codec_id = NULL;
340 AMF_RESULT res;
341 enum AVPixelFormat pix_fmt;
342
343 switch (avctx->codec->id) {
344 case AV_CODEC_ID_H264:
345 codec_id = AMFVideoEncoderVCE_AVC;
346 break;
347 case AV_CODEC_ID_HEVC:
348 codec_id = AMFVideoEncoder_HEVC;
349 break;
350 default:
351 break;
352 }
353 AMF_RETURN_IF_FALSE(ctx, codec_id != NULL, AVERROR(EINVAL), "Codec %d is not supported\n", avctx->codec->id);
354
355 if (ctx->hw_frames_ctx)
356 pix_fmt = ((AVHWFramesContext*)ctx->hw_frames_ctx->data)->sw_format;
357 else
358 pix_fmt = avctx->pix_fmt;
359
360 ctx->format = amf_av_to_amf_format(pix_fmt);
361 AMF_RETURN_IF_FALSE(ctx, ctx->format != AMF_SURFACE_UNKNOWN, AVERROR(EINVAL),
362 "Format %s is not supported\n", av_get_pix_fmt_name(pix_fmt));
363
364 res = ctx->factory->pVtbl->CreateComponent(ctx->factory, ctx->context, codec_id, &ctx->encoder);
365 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_ENCODER_NOT_FOUND, "CreateComponent(%ls) failed with error %d\n", codec_id, res);
366
367 return 0;
368 }
369
ff_amf_encode_close(AVCodecContext * avctx)370 int av_cold ff_amf_encode_close(AVCodecContext *avctx)
371 {
372 AmfContext *ctx = avctx->priv_data;
373
374 if (ctx->delayed_surface) {
375 ctx->delayed_surface->pVtbl->Release(ctx->delayed_surface);
376 ctx->delayed_surface = NULL;
377 }
378
379 if (ctx->encoder) {
380 ctx->encoder->pVtbl->Terminate(ctx->encoder);
381 ctx->encoder->pVtbl->Release(ctx->encoder);
382 ctx->encoder = NULL;
383 }
384
385 if (ctx->context) {
386 ctx->context->pVtbl->Terminate(ctx->context);
387 ctx->context->pVtbl->Release(ctx->context);
388 ctx->context = NULL;
389 }
390 av_buffer_unref(&ctx->hw_device_ctx);
391 av_buffer_unref(&ctx->hw_frames_ctx);
392
393 if (ctx->trace) {
394 ctx->trace->pVtbl->UnregisterWriter(ctx->trace, FFMPEG_AMF_WRITER_ID);
395 }
396 if (ctx->library) {
397 dlclose(ctx->library);
398 ctx->library = NULL;
399 }
400 ctx->trace = NULL;
401 ctx->debug = NULL;
402 ctx->factory = NULL;
403 ctx->version = 0;
404 ctx->delayed_drain = 0;
405 av_frame_free(&ctx->delayed_frame);
406 av_fifo_freep(&ctx->timestamp_list);
407
408 return 0;
409 }
410
amf_copy_surface(AVCodecContext * avctx,const AVFrame * frame,AMFSurface * surface)411 static int amf_copy_surface(AVCodecContext *avctx, const AVFrame *frame,
412 AMFSurface* surface)
413 {
414 AMFPlane *plane;
415 uint8_t *dst_data[4];
416 int dst_linesize[4];
417 int planes;
418 int i;
419
420 planes = surface->pVtbl->GetPlanesCount(surface);
421 av_assert0(planes < FF_ARRAY_ELEMS(dst_data));
422
423 for (i = 0; i < planes; i++) {
424 plane = surface->pVtbl->GetPlaneAt(surface, i);
425 dst_data[i] = plane->pVtbl->GetNative(plane);
426 dst_linesize[i] = plane->pVtbl->GetHPitch(plane);
427 }
428 av_image_copy(dst_data, dst_linesize,
429 (const uint8_t**)frame->data, frame->linesize, frame->format,
430 avctx->width, avctx->height);
431
432 return 0;
433 }
434
timestamp_queue_enqueue(AVCodecContext * avctx,int64_t timestamp)435 static inline int timestamp_queue_enqueue(AVCodecContext *avctx, int64_t timestamp)
436 {
437 AmfContext *ctx = avctx->priv_data;
438 if (av_fifo_space(ctx->timestamp_list) < sizeof(timestamp)) {
439 if (av_fifo_grow(ctx->timestamp_list, sizeof(timestamp)) < 0) {
440 return AVERROR(ENOMEM);
441 }
442 }
443 av_fifo_generic_write(ctx->timestamp_list, ×tamp, sizeof(timestamp), NULL);
444 return 0;
445 }
446
amf_copy_buffer(AVCodecContext * avctx,AVPacket * pkt,AMFBuffer * buffer)447 static int amf_copy_buffer(AVCodecContext *avctx, AVPacket *pkt, AMFBuffer *buffer)
448 {
449 AmfContext *ctx = avctx->priv_data;
450 int ret;
451 AMFVariantStruct var = {0};
452 int64_t timestamp = AV_NOPTS_VALUE;
453 int64_t size = buffer->pVtbl->GetSize(buffer);
454
455 if ((ret = ff_get_encode_buffer(avctx, pkt, size, 0)) < 0) {
456 return ret;
457 }
458 memcpy(pkt->data, buffer->pVtbl->GetNative(buffer), size);
459
460 switch (avctx->codec->id) {
461 case AV_CODEC_ID_H264:
462 buffer->pVtbl->GetProperty(buffer, AMF_VIDEO_ENCODER_OUTPUT_DATA_TYPE, &var);
463 if(var.int64Value == AMF_VIDEO_ENCODER_OUTPUT_DATA_TYPE_IDR) {
464 pkt->flags = AV_PKT_FLAG_KEY;
465 }
466 break;
467 case AV_CODEC_ID_HEVC:
468 buffer->pVtbl->GetProperty(buffer, AMF_VIDEO_ENCODER_HEVC_OUTPUT_DATA_TYPE, &var);
469 if (var.int64Value == AMF_VIDEO_ENCODER_HEVC_OUTPUT_DATA_TYPE_IDR) {
470 pkt->flags = AV_PKT_FLAG_KEY;
471 }
472 break;
473 default:
474 break;
475 }
476
477 buffer->pVtbl->GetProperty(buffer, PTS_PROP, &var);
478
479 pkt->pts = var.int64Value; // original pts
480
481
482 AMF_RETURN_IF_FALSE(ctx, av_fifo_size(ctx->timestamp_list) > 0, AVERROR_UNKNOWN, "timestamp_list is empty\n");
483
484 av_fifo_generic_read(ctx->timestamp_list, ×tamp, sizeof(timestamp), NULL);
485
486 // calc dts shift if max_b_frames > 0
487 if (avctx->max_b_frames > 0 && ctx->dts_delay == 0) {
488 int64_t timestamp_last = AV_NOPTS_VALUE;
489 AMF_RETURN_IF_FALSE(ctx, av_fifo_size(ctx->timestamp_list) > 0, AVERROR_UNKNOWN,
490 "timestamp_list is empty while max_b_frames = %d\n", avctx->max_b_frames);
491 av_fifo_generic_peek_at(
492 ctx->timestamp_list,
493 ×tamp_last,
494 (av_fifo_size(ctx->timestamp_list) / sizeof(timestamp) - 1) * sizeof(timestamp_last),
495 sizeof(timestamp_last),
496 NULL);
497 if (timestamp < 0 || timestamp_last < AV_NOPTS_VALUE) {
498 return AVERROR(ERANGE);
499 }
500 ctx->dts_delay = timestamp_last - timestamp;
501 }
502 pkt->dts = timestamp - ctx->dts_delay;
503 return 0;
504 }
505
506 // amfenc API implementation
ff_amf_encode_init(AVCodecContext * avctx)507 int ff_amf_encode_init(AVCodecContext *avctx)
508 {
509 int ret;
510
511 if ((ret = amf_load_library(avctx)) == 0) {
512 if ((ret = amf_init_context(avctx)) == 0) {
513 if ((ret = amf_init_encoder(avctx)) == 0) {
514 return 0;
515 }
516 }
517 }
518 ff_amf_encode_close(avctx);
519 return ret;
520 }
521
amf_set_property_buffer(AMFSurface * object,const wchar_t * name,AMFBuffer * val)522 static AMF_RESULT amf_set_property_buffer(AMFSurface *object, const wchar_t *name, AMFBuffer *val)
523 {
524 AMF_RESULT res;
525 AMFVariantStruct var;
526 res = AMFVariantInit(&var);
527 if (res == AMF_OK) {
528 AMFGuid guid_AMFInterface = IID_AMFInterface();
529 AMFInterface *amf_interface;
530 res = val->pVtbl->QueryInterface(val, &guid_AMFInterface, (void**)&amf_interface);
531
532 if (res == AMF_OK) {
533 res = AMFVariantAssignInterface(&var, amf_interface);
534 amf_interface->pVtbl->Release(amf_interface);
535 }
536 if (res == AMF_OK) {
537 res = object->pVtbl->SetProperty(object, name, var);
538 }
539 AMFVariantClear(&var);
540 }
541 return res;
542 }
543
amf_get_property_buffer(AMFData * object,const wchar_t * name,AMFBuffer ** val)544 static AMF_RESULT amf_get_property_buffer(AMFData *object, const wchar_t *name, AMFBuffer **val)
545 {
546 AMF_RESULT res;
547 AMFVariantStruct var;
548 res = AMFVariantInit(&var);
549 if (res == AMF_OK) {
550 res = object->pVtbl->GetProperty(object, name, &var);
551 if (res == AMF_OK) {
552 if (var.type == AMF_VARIANT_INTERFACE) {
553 AMFGuid guid_AMFBuffer = IID_AMFBuffer();
554 AMFInterface *amf_interface = AMFVariantInterface(&var);
555 res = amf_interface->pVtbl->QueryInterface(amf_interface, &guid_AMFBuffer, (void**)val);
556 } else {
557 res = AMF_INVALID_DATA_TYPE;
558 }
559 }
560 AMFVariantClear(&var);
561 }
562 return res;
563 }
564
amf_create_buffer_with_frame_ref(const AVFrame * frame,AMFContext * context)565 static AMFBuffer *amf_create_buffer_with_frame_ref(const AVFrame *frame, AMFContext *context)
566 {
567 AVFrame *frame_ref;
568 AMFBuffer *frame_ref_storage_buffer = NULL;
569 AMF_RESULT res;
570
571 res = context->pVtbl->AllocBuffer(context, AMF_MEMORY_HOST, sizeof(frame_ref), &frame_ref_storage_buffer);
572 if (res == AMF_OK) {
573 frame_ref = av_frame_clone(frame);
574 if (frame_ref) {
575 memcpy(frame_ref_storage_buffer->pVtbl->GetNative(frame_ref_storage_buffer), &frame_ref, sizeof(frame_ref));
576 } else {
577 frame_ref_storage_buffer->pVtbl->Release(frame_ref_storage_buffer);
578 frame_ref_storage_buffer = NULL;
579 }
580 }
581 return frame_ref_storage_buffer;
582 }
583
amf_release_buffer_with_frame_ref(AMFBuffer * frame_ref_storage_buffer)584 static void amf_release_buffer_with_frame_ref(AMFBuffer *frame_ref_storage_buffer)
585 {
586 AVFrame *frame_ref;
587 memcpy(&frame_ref, frame_ref_storage_buffer->pVtbl->GetNative(frame_ref_storage_buffer), sizeof(frame_ref));
588 av_frame_free(&frame_ref);
589 frame_ref_storage_buffer->pVtbl->Release(frame_ref_storage_buffer);
590 }
591
ff_amf_receive_packet(AVCodecContext * avctx,AVPacket * avpkt)592 int ff_amf_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
593 {
594 AmfContext *ctx = avctx->priv_data;
595 AMFSurface *surface;
596 AMF_RESULT res;
597 int ret;
598 AMF_RESULT res_query;
599 AMFData *data = NULL;
600 AVFrame *frame = ctx->delayed_frame;
601 int block_and_wait;
602
603 if (!ctx->encoder)
604 return AVERROR(EINVAL);
605
606 if (!frame->buf[0]) {
607 ret = ff_encode_get_frame(avctx, frame);
608 if (ret < 0 && ret != AVERROR_EOF)
609 return ret;
610 }
611
612 if (!frame->buf[0]) { // submit drain
613 if (!ctx->eof) { // submit drain one time only
614 if (ctx->delayed_surface != NULL) {
615 ctx->delayed_drain = 1; // input queue is full: resubmit Drain() in ff_amf_receive_packet
616 } else if(!ctx->delayed_drain) {
617 res = ctx->encoder->pVtbl->Drain(ctx->encoder);
618 if (res == AMF_INPUT_FULL) {
619 ctx->delayed_drain = 1; // input queue is full: resubmit Drain() in ff_amf_receive_packet
620 } else {
621 if (res == AMF_OK) {
622 ctx->eof = 1; // drain started
623 }
624 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "Drain() failed with error %d\n", res);
625 }
626 }
627 }
628 } else if (!ctx->delayed_surface) { // submit frame
629 int hw_surface = 0;
630
631 // prepare surface from frame
632 switch (frame->format) {
633 #if CONFIG_D3D11VA
634 case AV_PIX_FMT_D3D11:
635 {
636 static const GUID AMFTextureArrayIndexGUID = { 0x28115527, 0xe7c3, 0x4b66, { 0x99, 0xd3, 0x4f, 0x2a, 0xe6, 0xb4, 0x7f, 0xaf } };
637 ID3D11Texture2D *texture = (ID3D11Texture2D*)frame->data[0]; // actual texture
638 int index = (intptr_t)frame->data[1]; // index is a slice in texture array is - set to tell AMF which slice to use
639
640 av_assert0(frame->hw_frames_ctx && ctx->hw_frames_ctx &&
641 frame->hw_frames_ctx->data == ctx->hw_frames_ctx->data);
642
643 texture->lpVtbl->SetPrivateData(texture, &AMFTextureArrayIndexGUID, sizeof(index), &index);
644
645 res = ctx->context->pVtbl->CreateSurfaceFromDX11Native(ctx->context, texture, &surface, NULL); // wrap to AMF surface
646 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR(ENOMEM), "CreateSurfaceFromDX11Native() failed with error %d\n", res);
647
648 hw_surface = 1;
649 }
650 break;
651 #endif
652 #if CONFIG_DXVA2
653 case AV_PIX_FMT_DXVA2_VLD:
654 {
655 IDirect3DSurface9 *texture = (IDirect3DSurface9 *)frame->data[3]; // actual texture
656
657 res = ctx->context->pVtbl->CreateSurfaceFromDX9Native(ctx->context, texture, &surface, NULL); // wrap to AMF surface
658 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR(ENOMEM), "CreateSurfaceFromDX9Native() failed with error %d\n", res);
659
660 hw_surface = 1;
661 }
662 break;
663 #endif
664 default:
665 {
666 res = ctx->context->pVtbl->AllocSurface(ctx->context, AMF_MEMORY_HOST, ctx->format, avctx->width, avctx->height, &surface);
667 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR(ENOMEM), "AllocSurface() failed with error %d\n", res);
668 amf_copy_surface(avctx, frame, surface);
669 }
670 break;
671 }
672
673 if (hw_surface) {
674 AMFBuffer *frame_ref_storage_buffer;
675
676 // input HW surfaces can be vertically aligned by 16; tell AMF the real size
677 surface->pVtbl->SetCrop(surface, 0, 0, frame->width, frame->height);
678
679 frame_ref_storage_buffer = amf_create_buffer_with_frame_ref(frame, ctx->context);
680 AMF_RETURN_IF_FALSE(ctx, frame_ref_storage_buffer != NULL, AVERROR(ENOMEM), "create_buffer_with_frame_ref() returned NULL\n");
681
682 res = amf_set_property_buffer(surface, L"av_frame_ref", frame_ref_storage_buffer);
683 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "SetProperty failed for \"av_frame_ref\" with error %d\n", res);
684 ctx->hwsurfaces_in_queue++;
685 frame_ref_storage_buffer->pVtbl->Release(frame_ref_storage_buffer);
686 }
687
688 surface->pVtbl->SetPts(surface, frame->pts);
689 AMF_ASSIGN_PROPERTY_INT64(res, surface, PTS_PROP, frame->pts);
690
691 switch (avctx->codec->id) {
692 case AV_CODEC_ID_H264:
693 AMF_ASSIGN_PROPERTY_INT64(res, surface, AMF_VIDEO_ENCODER_INSERT_AUD, !!ctx->aud);
694 break;
695 case AV_CODEC_ID_HEVC:
696 AMF_ASSIGN_PROPERTY_INT64(res, surface, AMF_VIDEO_ENCODER_HEVC_INSERT_AUD, !!ctx->aud);
697 break;
698 default:
699 break;
700 }
701
702 // submit surface
703 res = ctx->encoder->pVtbl->SubmitInput(ctx->encoder, (AMFData*)surface);
704 if (res == AMF_INPUT_FULL) { // handle full queue
705 //store surface for later submission
706 ctx->delayed_surface = surface;
707 } else {
708 int64_t pts = frame->pts;
709 surface->pVtbl->Release(surface);
710 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "SubmitInput() failed with error %d\n", res);
711
712 av_frame_unref(frame);
713 if ((ret = timestamp_queue_enqueue(avctx, pts)) < 0) {
714 return ret;
715 }
716 }
717 }
718
719
720 do {
721 block_and_wait = 0;
722 // poll data
723 res_query = ctx->encoder->pVtbl->QueryOutput(ctx->encoder, &data);
724 if (data) {
725 // copy data to packet
726 AMFBuffer* buffer;
727 AMFGuid guid = IID_AMFBuffer();
728 data->pVtbl->QueryInterface(data, &guid, (void**)&buffer); // query for buffer interface
729 ret = amf_copy_buffer(avctx, avpkt, buffer);
730
731 buffer->pVtbl->Release(buffer);
732
733 if (data->pVtbl->HasProperty(data, L"av_frame_ref")) {
734 AMFBuffer *frame_ref_storage_buffer;
735 res = amf_get_property_buffer(data, L"av_frame_ref", &frame_ref_storage_buffer);
736 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "GetProperty failed for \"av_frame_ref\" with error %d\n", res);
737 amf_release_buffer_with_frame_ref(frame_ref_storage_buffer);
738 ctx->hwsurfaces_in_queue--;
739 }
740
741 data->pVtbl->Release(data);
742
743 AMF_RETURN_IF_FALSE(ctx, ret >= 0, ret, "amf_copy_buffer() failed with error %d\n", ret);
744
745 if (ctx->delayed_surface != NULL) { // try to resubmit frame
746 res = ctx->encoder->pVtbl->SubmitInput(ctx->encoder, (AMFData*)ctx->delayed_surface);
747 if (res != AMF_INPUT_FULL) {
748 int64_t pts = ctx->delayed_surface->pVtbl->GetPts(ctx->delayed_surface);
749 ctx->delayed_surface->pVtbl->Release(ctx->delayed_surface);
750 ctx->delayed_surface = NULL;
751 av_frame_unref(ctx->delayed_frame);
752 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "Repeated SubmitInput() failed with error %d\n", res);
753
754 if ((ret = timestamp_queue_enqueue(avctx, pts)) < 0) {
755 return ret;
756 }
757 } else {
758 av_log(avctx, AV_LOG_WARNING, "Data acquired but delayed frame submission got AMF_INPUT_FULL- should not happen\n");
759 }
760 } else if (ctx->delayed_drain) { // try to resubmit drain
761 res = ctx->encoder->pVtbl->Drain(ctx->encoder);
762 if (res != AMF_INPUT_FULL) {
763 ctx->delayed_drain = 0;
764 ctx->eof = 1; // drain started
765 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "Repeated Drain() failed with error %d\n", res);
766 } else {
767 av_log(avctx, AV_LOG_WARNING, "Data acquired but delayed drain submission got AMF_INPUT_FULL- should not happen\n");
768 }
769 }
770 } else if (ctx->delayed_surface != NULL || ctx->delayed_drain || (ctx->eof && res_query != AMF_EOF) || (ctx->hwsurfaces_in_queue >= ctx->hwsurfaces_in_queue_max)) {
771 block_and_wait = 1;
772 av_usleep(1000); // wait and poll again
773 }
774 } while (block_and_wait);
775
776 if (res_query == AMF_EOF) {
777 ret = AVERROR_EOF;
778 } else if (data == NULL) {
779 ret = AVERROR(EAGAIN);
780 } else {
781 ret = 0;
782 }
783 return ret;
784 }
785
786 const AVCodecHWConfigInternal *const ff_amfenc_hw_configs[] = {
787 #if CONFIG_D3D11VA
788 HW_CONFIG_ENCODER_FRAMES(D3D11, D3D11VA),
789 HW_CONFIG_ENCODER_DEVICE(NONE, D3D11VA),
790 #endif
791 #if CONFIG_DXVA2
792 HW_CONFIG_ENCODER_FRAMES(DXVA2_VLD, DXVA2),
793 HW_CONFIG_ENCODER_DEVICE(NONE, DXVA2),
794 #endif
795 NULL,
796 };
797