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 #include "config_components.h"
21
22 #include "libavutil/avassert.h"
23 #include "libavutil/imgutils.h"
24 #include "libavutil/hwcontext.h"
25 #if CONFIG_D3D11VA
26 #include "libavutil/hwcontext_d3d11va.h"
27 #endif
28 #if CONFIG_DXVA2
29 #define COBJMACROS
30 #include "libavutil/hwcontext_dxva2.h"
31 #endif
32 #include "libavutil/mem.h"
33 #include "libavutil/pixdesc.h"
34 #include "libavutil/time.h"
35
36 #include "amfenc.h"
37 #include "encode.h"
38 #include "internal.h"
39
40 #if CONFIG_D3D11VA
41 #include <d3d11.h>
42 #endif
43
44 #ifdef _WIN32
45 #include "compat/w32dlfcn.h"
46 #else
47 #include <dlfcn.h>
48 #endif
49
50 #define FFMPEG_AMF_WRITER_ID L"ffmpeg_amf"
51
52 #define PTS_PROP L"PtsProp"
53
54 const enum AVPixelFormat ff_amf_pix_fmts[] = {
55 AV_PIX_FMT_NV12,
56 AV_PIX_FMT_YUV420P,
57 #if CONFIG_D3D11VA
58 AV_PIX_FMT_D3D11,
59 #endif
60 #if CONFIG_DXVA2
61 AV_PIX_FMT_DXVA2_VLD,
62 #endif
63 AV_PIX_FMT_NONE
64 };
65
66 typedef struct FormatMap {
67 enum AVPixelFormat av_format;
68 enum AMF_SURFACE_FORMAT amf_format;
69 } FormatMap;
70
71 static const FormatMap format_map[] =
72 {
73 { AV_PIX_FMT_NONE, AMF_SURFACE_UNKNOWN },
74 { AV_PIX_FMT_NV12, AMF_SURFACE_NV12 },
75 { AV_PIX_FMT_BGR0, AMF_SURFACE_BGRA },
76 { AV_PIX_FMT_RGB0, AMF_SURFACE_RGBA },
77 { AV_PIX_FMT_GRAY8, AMF_SURFACE_GRAY8 },
78 { AV_PIX_FMT_YUV420P, AMF_SURFACE_YUV420P },
79 { AV_PIX_FMT_YUYV422, AMF_SURFACE_YUY2 },
80 };
81
amf_av_to_amf_format(enum AVPixelFormat fmt)82 static enum AMF_SURFACE_FORMAT amf_av_to_amf_format(enum AVPixelFormat fmt)
83 {
84 int i;
85 for (i = 0; i < amf_countof(format_map); i++) {
86 if (format_map[i].av_format == fmt) {
87 return format_map[i].amf_format;
88 }
89 }
90 return AMF_SURFACE_UNKNOWN;
91 }
92
AMFTraceWriter_Write(AMFTraceWriter *pThis, const wchar_t *scope, const wchar_t *message)93 static void AMF_CDECL_CALL AMFTraceWriter_Write(AMFTraceWriter *pThis,
94 const wchar_t *scope, const wchar_t *message)
95 {
96 AmfTraceWriter *tracer = (AmfTraceWriter*)pThis;
97 av_log(tracer->avctx, AV_LOG_DEBUG, "%ls: %ls", scope, message); // \n is provided from AMF
98 }
99
AMFTraceWriter_Flush(AMFTraceWriter *pThis)100 static void AMF_CDECL_CALL AMFTraceWriter_Flush(AMFTraceWriter *pThis)
101 {
102 }
103
104 static AMFTraceWriterVtbl tracer_vtbl =
105 {
106 .Write = AMFTraceWriter_Write,
107 .Flush = AMFTraceWriter_Flush,
108 };
109
amf_load_library(AVCodecContext *avctx)110 static int amf_load_library(AVCodecContext *avctx)
111 {
112 AmfContext *ctx = avctx->priv_data;
113 AMFInit_Fn init_fun;
114 AMFQueryVersion_Fn version_fun;
115 AMF_RESULT res;
116
117 ctx->delayed_frame = av_frame_alloc();
118 if (!ctx->delayed_frame) {
119 return AVERROR(ENOMEM);
120 }
121 // hardcoded to current HW queue size - will auto-realloc if too small
122 ctx->timestamp_list = av_fifo_alloc2(avctx->max_b_frames + 16, sizeof(int64_t),
123 AV_FIFO_FLAG_AUTO_GROW);
124 if (!ctx->timestamp_list) {
125 return AVERROR(ENOMEM);
126 }
127 ctx->dts_delay = 0;
128
129
130 ctx->library = dlopen(AMF_DLL_NAMEA, RTLD_NOW | RTLD_LOCAL);
131 AMF_RETURN_IF_FALSE(ctx, ctx->library != NULL,
132 AVERROR_UNKNOWN, "DLL %s failed to open\n", AMF_DLL_NAMEA);
133
134 init_fun = (AMFInit_Fn)dlsym(ctx->library, AMF_INIT_FUNCTION_NAME);
135 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);
136
137 version_fun = (AMFQueryVersion_Fn)dlsym(ctx->library, AMF_QUERY_VERSION_FUNCTION_NAME);
138 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);
139
140 res = version_fun(&ctx->version);
141 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "%s failed with error %d\n", AMF_QUERY_VERSION_FUNCTION_NAME, res);
142 res = init_fun(AMF_FULL_VERSION, &ctx->factory);
143 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "%s failed with error %d\n", AMF_INIT_FUNCTION_NAME, res);
144 res = ctx->factory->pVtbl->GetTrace(ctx->factory, &ctx->trace);
145 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "GetTrace() failed with error %d\n", res);
146 res = ctx->factory->pVtbl->GetDebug(ctx->factory, &ctx->debug);
147 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "GetDebug() failed with error %d\n", res);
148 return 0;
149 }
150
151 #if CONFIG_D3D11VA
amf_init_from_d3d11_device(AVCodecContext *avctx, AVD3D11VADeviceContext *hwctx)152 static int amf_init_from_d3d11_device(AVCodecContext *avctx, AVD3D11VADeviceContext *hwctx)
153 {
154 AmfContext *ctx = avctx->priv_data;
155 AMF_RESULT res;
156
157 res = ctx->context->pVtbl->InitDX11(ctx->context, hwctx->device, AMF_DX11_1);
158 if (res != AMF_OK) {
159 if (res == AMF_NOT_SUPPORTED)
160 av_log(avctx, AV_LOG_ERROR, "AMF via D3D11 is not supported on the given device.\n");
161 else
162 av_log(avctx, AV_LOG_ERROR, "AMF failed to initialise on the given D3D11 device: %d.\n", res);
163 return AVERROR(ENODEV);
164 }
165
166 return 0;
167 }
168 #endif
169
170 #if CONFIG_DXVA2
amf_init_from_dxva2_device(AVCodecContext *avctx, AVDXVA2DeviceContext *hwctx)171 static int amf_init_from_dxva2_device(AVCodecContext *avctx, AVDXVA2DeviceContext *hwctx)
172 {
173 AmfContext *ctx = avctx->priv_data;
174 HANDLE device_handle;
175 IDirect3DDevice9 *device;
176 HRESULT hr;
177 AMF_RESULT res;
178 int ret;
179
180 hr = IDirect3DDeviceManager9_OpenDeviceHandle(hwctx->devmgr, &device_handle);
181 if (FAILED(hr)) {
182 av_log(avctx, AV_LOG_ERROR, "Failed to open device handle for Direct3D9 device: %lx.\n", (unsigned long)hr);
183 return AVERROR_EXTERNAL;
184 }
185
186 hr = IDirect3DDeviceManager9_LockDevice(hwctx->devmgr, device_handle, &device, FALSE);
187 if (SUCCEEDED(hr)) {
188 IDirect3DDeviceManager9_UnlockDevice(hwctx->devmgr, device_handle, FALSE);
189 ret = 0;
190 } else {
191 av_log(avctx, AV_LOG_ERROR, "Failed to lock device handle for Direct3D9 device: %lx.\n", (unsigned long)hr);
192 ret = AVERROR_EXTERNAL;
193 }
194
195 IDirect3DDeviceManager9_CloseDeviceHandle(hwctx->devmgr, device_handle);
196
197 if (ret < 0)
198 return ret;
199
200 res = ctx->context->pVtbl->InitDX9(ctx->context, device);
201
202 IDirect3DDevice9_Release(device);
203
204 if (res != AMF_OK) {
205 if (res == AMF_NOT_SUPPORTED)
206 av_log(avctx, AV_LOG_ERROR, "AMF via D3D9 is not supported on the given device.\n");
207 else
208 av_log(avctx, AV_LOG_ERROR, "AMF failed to initialise on given D3D9 device: %d.\n", res);
209 return AVERROR(ENODEV);
210 }
211
212 return 0;
213 }
214 #endif
215
amf_init_context(AVCodecContext *avctx)216 static int amf_init_context(AVCodecContext *avctx)
217 {
218 AmfContext *ctx = avctx->priv_data;
219 AMFContext1 *context1 = NULL;
220 AMF_RESULT res;
221 av_unused int ret;
222
223 ctx->hwsurfaces_in_queue = 0;
224 ctx->hwsurfaces_in_queue_max = 16;
225
226 // configure AMF logger
227 // the return of these functions indicates old state and do not affect behaviour
228 ctx->trace->pVtbl->EnableWriter(ctx->trace, AMF_TRACE_WRITER_DEBUG_OUTPUT, ctx->log_to_dbg != 0 );
229 if (ctx->log_to_dbg)
230 ctx->trace->pVtbl->SetWriterLevel(ctx->trace, AMF_TRACE_WRITER_DEBUG_OUTPUT, AMF_TRACE_TRACE);
231 ctx->trace->pVtbl->EnableWriter(ctx->trace, AMF_TRACE_WRITER_CONSOLE, 0);
232 ctx->trace->pVtbl->SetGlobalLevel(ctx->trace, AMF_TRACE_TRACE);
233
234 // connect AMF logger to av_log
235 ctx->tracer.vtbl = &tracer_vtbl;
236 ctx->tracer.avctx = avctx;
237 ctx->trace->pVtbl->RegisterWriter(ctx->trace, FFMPEG_AMF_WRITER_ID,(AMFTraceWriter*)&ctx->tracer, 1);
238 ctx->trace->pVtbl->SetWriterLevel(ctx->trace, FFMPEG_AMF_WRITER_ID, AMF_TRACE_TRACE);
239
240 res = ctx->factory->pVtbl->CreateContext(ctx->factory, &ctx->context);
241 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "CreateContext() failed with error %d\n", res);
242
243 // If a device was passed to the encoder, try to initialise from that.
244 if (avctx->hw_frames_ctx) {
245 AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
246
247 if (amf_av_to_amf_format(frames_ctx->sw_format) == AMF_SURFACE_UNKNOWN) {
248 av_log(avctx, AV_LOG_ERROR, "Format of input frames context (%s) is not supported by AMF.\n",
249 av_get_pix_fmt_name(frames_ctx->sw_format));
250 return AVERROR(EINVAL);
251 }
252
253 switch (frames_ctx->device_ctx->type) {
254 #if CONFIG_D3D11VA
255 case AV_HWDEVICE_TYPE_D3D11VA:
256 ret = amf_init_from_d3d11_device(avctx, frames_ctx->device_ctx->hwctx);
257 if (ret < 0)
258 return ret;
259 break;
260 #endif
261 #if CONFIG_DXVA2
262 case AV_HWDEVICE_TYPE_DXVA2:
263 ret = amf_init_from_dxva2_device(avctx, frames_ctx->device_ctx->hwctx);
264 if (ret < 0)
265 return ret;
266 break;
267 #endif
268 default:
269 av_log(avctx, AV_LOG_ERROR, "AMF initialisation from a %s frames context is not supported.\n",
270 av_hwdevice_get_type_name(frames_ctx->device_ctx->type));
271 return AVERROR(ENOSYS);
272 }
273
274 ctx->hw_frames_ctx = av_buffer_ref(avctx->hw_frames_ctx);
275 if (!ctx->hw_frames_ctx)
276 return AVERROR(ENOMEM);
277
278 if (frames_ctx->initial_pool_size > 0)
279 ctx->hwsurfaces_in_queue_max = frames_ctx->initial_pool_size - 1;
280
281 } else if (avctx->hw_device_ctx) {
282 AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)avctx->hw_device_ctx->data;
283
284 switch (device_ctx->type) {
285 #if CONFIG_D3D11VA
286 case AV_HWDEVICE_TYPE_D3D11VA:
287 ret = amf_init_from_d3d11_device(avctx, device_ctx->hwctx);
288 if (ret < 0)
289 return ret;
290 break;
291 #endif
292 #if CONFIG_DXVA2
293 case AV_HWDEVICE_TYPE_DXVA2:
294 ret = amf_init_from_dxva2_device(avctx, device_ctx->hwctx);
295 if (ret < 0)
296 return ret;
297 break;
298 #endif
299 default:
300 av_log(avctx, AV_LOG_ERROR, "AMF initialisation from a %s device is not supported.\n",
301 av_hwdevice_get_type_name(device_ctx->type));
302 return AVERROR(ENOSYS);
303 }
304
305 ctx->hw_device_ctx = av_buffer_ref(avctx->hw_device_ctx);
306 if (!ctx->hw_device_ctx)
307 return AVERROR(ENOMEM);
308
309 } else {
310 res = ctx->context->pVtbl->InitDX11(ctx->context, NULL, AMF_DX11_1);
311 if (res == AMF_OK) {
312 av_log(avctx, AV_LOG_VERBOSE, "AMF initialisation succeeded via D3D11.\n");
313 } else {
314 res = ctx->context->pVtbl->InitDX9(ctx->context, NULL);
315 if (res == AMF_OK) {
316 av_log(avctx, AV_LOG_VERBOSE, "AMF initialisation succeeded via D3D9.\n");
317 } else {
318 AMFGuid guid = IID_AMFContext1();
319 res = ctx->context->pVtbl->QueryInterface(ctx->context, &guid, (void**)&context1);
320 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "CreateContext1() failed with error %d\n", res);
321
322 res = context1->pVtbl->InitVulkan(context1, NULL);
323 context1->pVtbl->Release(context1);
324 if (res != AMF_OK) {
325 if (res == AMF_NOT_SUPPORTED)
326 av_log(avctx, AV_LOG_ERROR, "AMF via Vulkan is not supported on the given device.\n");
327 else
328 av_log(avctx, AV_LOG_ERROR, "AMF failed to initialise on the given Vulkan device: %d.\n", res);
329 return AVERROR(ENOSYS);
330 }
331 av_log(avctx, AV_LOG_VERBOSE, "AMF initialisation succeeded via Vulkan.\n");
332 }
333 }
334 }
335 return 0;
336 }
337
amf_init_encoder(AVCodecContext *avctx)338 static int amf_init_encoder(AVCodecContext *avctx)
339 {
340 AmfContext *ctx = avctx->priv_data;
341 const wchar_t *codec_id = NULL;
342 AMF_RESULT res;
343 enum AVPixelFormat pix_fmt;
344
345 switch (avctx->codec->id) {
346 case AV_CODEC_ID_H264:
347 codec_id = AMFVideoEncoderVCE_AVC;
348 break;
349 case AV_CODEC_ID_HEVC:
350 codec_id = AMFVideoEncoder_HEVC;
351 break;
352 default:
353 break;
354 }
355 AMF_RETURN_IF_FALSE(ctx, codec_id != NULL, AVERROR(EINVAL), "Codec %d is not supported\n", avctx->codec->id);
356
357 if (ctx->hw_frames_ctx)
358 pix_fmt = ((AVHWFramesContext*)ctx->hw_frames_ctx->data)->sw_format;
359 else
360 pix_fmt = avctx->pix_fmt;
361
362 ctx->format = amf_av_to_amf_format(pix_fmt);
363 AMF_RETURN_IF_FALSE(ctx, ctx->format != AMF_SURFACE_UNKNOWN, AVERROR(EINVAL),
364 "Format %s is not supported\n", av_get_pix_fmt_name(pix_fmt));
365
366 res = ctx->factory->pVtbl->CreateComponent(ctx->factory, ctx->context, codec_id, &ctx->encoder);
367 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_ENCODER_NOT_FOUND, "CreateComponent(%ls) failed with error %d\n", codec_id, res);
368
369 return 0;
370 }
371
ff_amf_encode_close(AVCodecContext *avctx)372 int av_cold ff_amf_encode_close(AVCodecContext *avctx)
373 {
374 AmfContext *ctx = avctx->priv_data;
375
376 if (ctx->delayed_surface) {
377 ctx->delayed_surface->pVtbl->Release(ctx->delayed_surface);
378 ctx->delayed_surface = NULL;
379 }
380
381 if (ctx->encoder) {
382 ctx->encoder->pVtbl->Terminate(ctx->encoder);
383 ctx->encoder->pVtbl->Release(ctx->encoder);
384 ctx->encoder = NULL;
385 }
386
387 if (ctx->context) {
388 ctx->context->pVtbl->Terminate(ctx->context);
389 ctx->context->pVtbl->Release(ctx->context);
390 ctx->context = NULL;
391 }
392 av_buffer_unref(&ctx->hw_device_ctx);
393 av_buffer_unref(&ctx->hw_frames_ctx);
394
395 if (ctx->trace) {
396 ctx->trace->pVtbl->UnregisterWriter(ctx->trace, FFMPEG_AMF_WRITER_ID);
397 }
398 if (ctx->library) {
399 dlclose(ctx->library);
400 ctx->library = NULL;
401 }
402 ctx->trace = NULL;
403 ctx->debug = NULL;
404 ctx->factory = NULL;
405 ctx->version = 0;
406 ctx->delayed_drain = 0;
407 av_frame_free(&ctx->delayed_frame);
408 av_fifo_freep2(&ctx->timestamp_list);
409
410 return 0;
411 }
412
amf_copy_surface(AVCodecContext *avctx, const AVFrame *frame, AMFSurface* surface)413 static int amf_copy_surface(AVCodecContext *avctx, const AVFrame *frame,
414 AMFSurface* surface)
415 {
416 AMFPlane *plane;
417 uint8_t *dst_data[4];
418 int dst_linesize[4];
419 int planes;
420 int i;
421
422 planes = surface->pVtbl->GetPlanesCount(surface);
423 av_assert0(planes < FF_ARRAY_ELEMS(dst_data));
424
425 for (i = 0; i < planes; i++) {
426 plane = surface->pVtbl->GetPlaneAt(surface, i);
427 dst_data[i] = plane->pVtbl->GetNative(plane);
428 dst_linesize[i] = plane->pVtbl->GetHPitch(plane);
429 }
430 av_image_copy(dst_data, dst_linesize,
431 (const uint8_t**)frame->data, frame->linesize, frame->format,
432 avctx->width, avctx->height);
433
434 return 0;
435 }
436
amf_copy_buffer(AVCodecContext *avctx, AVPacket *pkt, AMFBuffer *buffer)437 static int amf_copy_buffer(AVCodecContext *avctx, AVPacket *pkt, AMFBuffer *buffer)
438 {
439 AmfContext *ctx = avctx->priv_data;
440 int ret;
441 AMFVariantStruct var = {0};
442 int64_t timestamp = AV_NOPTS_VALUE;
443 int64_t size = buffer->pVtbl->GetSize(buffer);
444
445 if ((ret = ff_get_encode_buffer(avctx, pkt, size, 0)) < 0) {
446 return ret;
447 }
448 memcpy(pkt->data, buffer->pVtbl->GetNative(buffer), size);
449
450 switch (avctx->codec->id) {
451 case AV_CODEC_ID_H264:
452 buffer->pVtbl->GetProperty(buffer, AMF_VIDEO_ENCODER_OUTPUT_DATA_TYPE, &var);
453 if(var.int64Value == AMF_VIDEO_ENCODER_OUTPUT_DATA_TYPE_IDR) {
454 pkt->flags = AV_PKT_FLAG_KEY;
455 }
456 break;
457 case AV_CODEC_ID_HEVC:
458 buffer->pVtbl->GetProperty(buffer, AMF_VIDEO_ENCODER_HEVC_OUTPUT_DATA_TYPE, &var);
459 if (var.int64Value == AMF_VIDEO_ENCODER_HEVC_OUTPUT_DATA_TYPE_IDR) {
460 pkt->flags = AV_PKT_FLAG_KEY;
461 }
462 break;
463 default:
464 break;
465 }
466
467 buffer->pVtbl->GetProperty(buffer, PTS_PROP, &var);
468
469 pkt->pts = var.int64Value; // original pts
470
471
472 AMF_RETURN_IF_FALSE(ctx, av_fifo_read(ctx->timestamp_list, ×tamp, 1) >= 0,
473 AVERROR_UNKNOWN, "timestamp_list is empty\n");
474
475 // calc dts shift if max_b_frames > 0
476 if (avctx->max_b_frames > 0 && ctx->dts_delay == 0) {
477 int64_t timestamp_last = AV_NOPTS_VALUE;
478 size_t can_read = av_fifo_can_read(ctx->timestamp_list);
479
480 AMF_RETURN_IF_FALSE(ctx, can_read > 0, AVERROR_UNKNOWN,
481 "timestamp_list is empty while max_b_frames = %d\n", avctx->max_b_frames);
482 av_fifo_peek(ctx->timestamp_list, ×tamp_last, 1, can_read - 1);
483 if (timestamp < 0 || timestamp_last < AV_NOPTS_VALUE) {
484 return AVERROR(ERANGE);
485 }
486 ctx->dts_delay = timestamp_last - timestamp;
487 }
488 pkt->dts = timestamp - ctx->dts_delay;
489 return 0;
490 }
491
492 // amfenc API implementation
ff_amf_encode_init(AVCodecContext *avctx)493 int ff_amf_encode_init(AVCodecContext *avctx)
494 {
495 int ret;
496
497 if ((ret = amf_load_library(avctx)) == 0) {
498 if ((ret = amf_init_context(avctx)) == 0) {
499 if ((ret = amf_init_encoder(avctx)) == 0) {
500 return 0;
501 }
502 }
503 }
504 ff_amf_encode_close(avctx);
505 return ret;
506 }
507
amf_set_property_buffer(AMFSurface *object, const wchar_t *name, AMFBuffer *val)508 static AMF_RESULT amf_set_property_buffer(AMFSurface *object, const wchar_t *name, AMFBuffer *val)
509 {
510 AMF_RESULT res;
511 AMFVariantStruct var;
512 res = AMFVariantInit(&var);
513 if (res == AMF_OK) {
514 AMFGuid guid_AMFInterface = IID_AMFInterface();
515 AMFInterface *amf_interface;
516 res = val->pVtbl->QueryInterface(val, &guid_AMFInterface, (void**)&amf_interface);
517
518 if (res == AMF_OK) {
519 res = AMFVariantAssignInterface(&var, amf_interface);
520 amf_interface->pVtbl->Release(amf_interface);
521 }
522 if (res == AMF_OK) {
523 res = object->pVtbl->SetProperty(object, name, var);
524 }
525 AMFVariantClear(&var);
526 }
527 return res;
528 }
529
amf_get_property_buffer(AMFData *object, const wchar_t *name, AMFBuffer **val)530 static AMF_RESULT amf_get_property_buffer(AMFData *object, const wchar_t *name, AMFBuffer **val)
531 {
532 AMF_RESULT res;
533 AMFVariantStruct var;
534 res = AMFVariantInit(&var);
535 if (res == AMF_OK) {
536 res = object->pVtbl->GetProperty(object, name, &var);
537 if (res == AMF_OK) {
538 if (var.type == AMF_VARIANT_INTERFACE) {
539 AMFGuid guid_AMFBuffer = IID_AMFBuffer();
540 AMFInterface *amf_interface = AMFVariantInterface(&var);
541 res = amf_interface->pVtbl->QueryInterface(amf_interface, &guid_AMFBuffer, (void**)val);
542 } else {
543 res = AMF_INVALID_DATA_TYPE;
544 }
545 }
546 AMFVariantClear(&var);
547 }
548 return res;
549 }
550
amf_create_buffer_with_frame_ref(const AVFrame *frame, AMFContext *context)551 static AMFBuffer *amf_create_buffer_with_frame_ref(const AVFrame *frame, AMFContext *context)
552 {
553 AVFrame *frame_ref;
554 AMFBuffer *frame_ref_storage_buffer = NULL;
555 AMF_RESULT res;
556
557 res = context->pVtbl->AllocBuffer(context, AMF_MEMORY_HOST, sizeof(frame_ref), &frame_ref_storage_buffer);
558 if (res == AMF_OK) {
559 frame_ref = av_frame_clone(frame);
560 if (frame_ref) {
561 memcpy(frame_ref_storage_buffer->pVtbl->GetNative(frame_ref_storage_buffer), &frame_ref, sizeof(frame_ref));
562 } else {
563 frame_ref_storage_buffer->pVtbl->Release(frame_ref_storage_buffer);
564 frame_ref_storage_buffer = NULL;
565 }
566 }
567 return frame_ref_storage_buffer;
568 }
569
amf_release_buffer_with_frame_ref(AMFBuffer *frame_ref_storage_buffer)570 static void amf_release_buffer_with_frame_ref(AMFBuffer *frame_ref_storage_buffer)
571 {
572 AVFrame *frame_ref;
573 memcpy(&frame_ref, frame_ref_storage_buffer->pVtbl->GetNative(frame_ref_storage_buffer), sizeof(frame_ref));
574 av_frame_free(&frame_ref);
575 frame_ref_storage_buffer->pVtbl->Release(frame_ref_storage_buffer);
576 }
577
ff_amf_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)578 int ff_amf_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
579 {
580 AmfContext *ctx = avctx->priv_data;
581 AMFSurface *surface;
582 AMF_RESULT res;
583 int ret;
584 AMF_RESULT res_query;
585 AMFData *data = NULL;
586 AVFrame *frame = ctx->delayed_frame;
587 int block_and_wait;
588
589 if (!ctx->encoder)
590 return AVERROR(EINVAL);
591
592 if (!frame->buf[0]) {
593 ret = ff_encode_get_frame(avctx, frame);
594 if (ret < 0 && ret != AVERROR_EOF)
595 return ret;
596 }
597
598 if (!frame->buf[0]) { // submit drain
599 if (!ctx->eof) { // submit drain one time only
600 if (ctx->delayed_surface != NULL) {
601 ctx->delayed_drain = 1; // input queue is full: resubmit Drain() in ff_amf_receive_packet
602 } else if(!ctx->delayed_drain) {
603 res = ctx->encoder->pVtbl->Drain(ctx->encoder);
604 if (res == AMF_INPUT_FULL) {
605 ctx->delayed_drain = 1; // input queue is full: resubmit Drain() in ff_amf_receive_packet
606 } else {
607 if (res == AMF_OK) {
608 ctx->eof = 1; // drain started
609 }
610 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "Drain() failed with error %d\n", res);
611 }
612 }
613 }
614 } else if (!ctx->delayed_surface) { // submit frame
615 int hw_surface = 0;
616
617 // prepare surface from frame
618 switch (frame->format) {
619 #if CONFIG_D3D11VA
620 case AV_PIX_FMT_D3D11:
621 {
622 static const GUID AMFTextureArrayIndexGUID = { 0x28115527, 0xe7c3, 0x4b66, { 0x99, 0xd3, 0x4f, 0x2a, 0xe6, 0xb4, 0x7f, 0xaf } };
623 ID3D11Texture2D *texture = (ID3D11Texture2D*)frame->data[0]; // actual texture
624 int index = (intptr_t)frame->data[1]; // index is a slice in texture array is - set to tell AMF which slice to use
625
626 av_assert0(frame->hw_frames_ctx && ctx->hw_frames_ctx &&
627 frame->hw_frames_ctx->data == ctx->hw_frames_ctx->data);
628
629 texture->lpVtbl->SetPrivateData(texture, &AMFTextureArrayIndexGUID, sizeof(index), &index);
630
631 res = ctx->context->pVtbl->CreateSurfaceFromDX11Native(ctx->context, texture, &surface, NULL); // wrap to AMF surface
632 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR(ENOMEM), "CreateSurfaceFromDX11Native() failed with error %d\n", res);
633
634 hw_surface = 1;
635 }
636 break;
637 #endif
638 #if CONFIG_DXVA2
639 case AV_PIX_FMT_DXVA2_VLD:
640 {
641 IDirect3DSurface9 *texture = (IDirect3DSurface9 *)frame->data[3]; // actual texture
642
643 res = ctx->context->pVtbl->CreateSurfaceFromDX9Native(ctx->context, texture, &surface, NULL); // wrap to AMF surface
644 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR(ENOMEM), "CreateSurfaceFromDX9Native() failed with error %d\n", res);
645
646 hw_surface = 1;
647 }
648 break;
649 #endif
650 default:
651 {
652 res = ctx->context->pVtbl->AllocSurface(ctx->context, AMF_MEMORY_HOST, ctx->format, avctx->width, avctx->height, &surface);
653 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR(ENOMEM), "AllocSurface() failed with error %d\n", res);
654 amf_copy_surface(avctx, frame, surface);
655 }
656 break;
657 }
658
659 if (hw_surface) {
660 AMFBuffer *frame_ref_storage_buffer;
661
662 // input HW surfaces can be vertically aligned by 16; tell AMF the real size
663 surface->pVtbl->SetCrop(surface, 0, 0, frame->width, frame->height);
664
665 frame_ref_storage_buffer = amf_create_buffer_with_frame_ref(frame, ctx->context);
666 AMF_RETURN_IF_FALSE(ctx, frame_ref_storage_buffer != NULL, AVERROR(ENOMEM), "create_buffer_with_frame_ref() returned NULL\n");
667
668 res = amf_set_property_buffer(surface, L"av_frame_ref", frame_ref_storage_buffer);
669 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "SetProperty failed for \"av_frame_ref\" with error %d\n", res);
670 ctx->hwsurfaces_in_queue++;
671 frame_ref_storage_buffer->pVtbl->Release(frame_ref_storage_buffer);
672 }
673
674 surface->pVtbl->SetPts(surface, frame->pts);
675 AMF_ASSIGN_PROPERTY_INT64(res, surface, PTS_PROP, frame->pts);
676
677 switch (avctx->codec->id) {
678 case AV_CODEC_ID_H264:
679 AMF_ASSIGN_PROPERTY_INT64(res, surface, AMF_VIDEO_ENCODER_INSERT_AUD, !!ctx->aud);
680 break;
681 case AV_CODEC_ID_HEVC:
682 AMF_ASSIGN_PROPERTY_INT64(res, surface, AMF_VIDEO_ENCODER_HEVC_INSERT_AUD, !!ctx->aud);
683 break;
684 default:
685 break;
686 }
687
688 // submit surface
689 res = ctx->encoder->pVtbl->SubmitInput(ctx->encoder, (AMFData*)surface);
690 if (res == AMF_INPUT_FULL) { // handle full queue
691 //store surface for later submission
692 ctx->delayed_surface = surface;
693 } else {
694 int64_t pts = frame->pts;
695 surface->pVtbl->Release(surface);
696 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "SubmitInput() failed with error %d\n", res);
697
698 av_frame_unref(frame);
699 ret = av_fifo_write(ctx->timestamp_list, &pts, 1);
700 if (ret < 0)
701 return ret;
702 }
703 }
704
705
706 do {
707 block_and_wait = 0;
708 // poll data
709 res_query = ctx->encoder->pVtbl->QueryOutput(ctx->encoder, &data);
710 if (data) {
711 // copy data to packet
712 AMFBuffer* buffer;
713 AMFGuid guid = IID_AMFBuffer();
714 data->pVtbl->QueryInterface(data, &guid, (void**)&buffer); // query for buffer interface
715 ret = amf_copy_buffer(avctx, avpkt, buffer);
716
717 buffer->pVtbl->Release(buffer);
718
719 if (data->pVtbl->HasProperty(data, L"av_frame_ref")) {
720 AMFBuffer *frame_ref_storage_buffer;
721 res = amf_get_property_buffer(data, L"av_frame_ref", &frame_ref_storage_buffer);
722 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "GetProperty failed for \"av_frame_ref\" with error %d\n", res);
723 amf_release_buffer_with_frame_ref(frame_ref_storage_buffer);
724 ctx->hwsurfaces_in_queue--;
725 }
726
727 data->pVtbl->Release(data);
728
729 AMF_RETURN_IF_FALSE(ctx, ret >= 0, ret, "amf_copy_buffer() failed with error %d\n", ret);
730
731 if (ctx->delayed_surface != NULL) { // try to resubmit frame
732 res = ctx->encoder->pVtbl->SubmitInput(ctx->encoder, (AMFData*)ctx->delayed_surface);
733 if (res != AMF_INPUT_FULL) {
734 int64_t pts = ctx->delayed_surface->pVtbl->GetPts(ctx->delayed_surface);
735 ctx->delayed_surface->pVtbl->Release(ctx->delayed_surface);
736 ctx->delayed_surface = NULL;
737 av_frame_unref(ctx->delayed_frame);
738 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "Repeated SubmitInput() failed with error %d\n", res);
739
740 ret = av_fifo_write(ctx->timestamp_list, &pts, 1);
741 if (ret < 0)
742 return ret;
743 } else {
744 av_log(avctx, AV_LOG_WARNING, "Data acquired but delayed frame submission got AMF_INPUT_FULL- should not happen\n");
745 }
746 } else if (ctx->delayed_drain) { // try to resubmit drain
747 res = ctx->encoder->pVtbl->Drain(ctx->encoder);
748 if (res != AMF_INPUT_FULL) {
749 ctx->delayed_drain = 0;
750 ctx->eof = 1; // drain started
751 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "Repeated Drain() failed with error %d\n", res);
752 } else {
753 av_log(avctx, AV_LOG_WARNING, "Data acquired but delayed drain submission got AMF_INPUT_FULL- should not happen\n");
754 }
755 }
756 } else if (ctx->delayed_surface != NULL || ctx->delayed_drain || (ctx->eof && res_query != AMF_EOF) || (ctx->hwsurfaces_in_queue >= ctx->hwsurfaces_in_queue_max)) {
757 block_and_wait = 1;
758 av_usleep(1000); // wait and poll again
759 }
760 } while (block_and_wait);
761
762 if (res_query == AMF_EOF) {
763 ret = AVERROR_EOF;
764 } else if (data == NULL) {
765 ret = AVERROR(EAGAIN);
766 } else {
767 ret = 0;
768 }
769 return ret;
770 }
771
772 const AVCodecHWConfigInternal *const ff_amfenc_hw_configs[] = {
773 #if CONFIG_D3D11VA
774 HW_CONFIG_ENCODER_FRAMES(D3D11, D3D11VA),
775 HW_CONFIG_ENCODER_DEVICE(NONE, D3D11VA),
776 #endif
777 #if CONFIG_DXVA2
778 HW_CONFIG_ENCODER_FRAMES(DXVA2_VLD, DXVA2),
779 HW_CONFIG_ENCODER_DEVICE(NONE, DXVA2),
780 #endif
781 NULL,
782 };
783