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 "internal.h"
37
38 #if CONFIG_D3D11VA
39 #include <d3d11.h>
40 #endif
41
42 #ifdef _WIN32
43 #include "compat/w32dlfcn.h"
44 #else
45 #include <dlfcn.h>
46 #endif
47
48 #define FFMPEG_AMF_WRITER_ID L"ffmpeg_amf"
49
50 #define PTS_PROP L"PtsProp"
51
52 const enum AVPixelFormat ff_amf_pix_fmts[] = {
53 AV_PIX_FMT_NV12,
54 AV_PIX_FMT_YUV420P,
55 #if CONFIG_D3D11VA
56 AV_PIX_FMT_D3D11,
57 #endif
58 #if CONFIG_DXVA2
59 AV_PIX_FMT_DXVA2_VLD,
60 #endif
61 AV_PIX_FMT_NONE
62 };
63
64 typedef struct FormatMap {
65 enum AVPixelFormat av_format;
66 enum AMF_SURFACE_FORMAT amf_format;
67 } FormatMap;
68
69 static const FormatMap format_map[] =
70 {
71 { AV_PIX_FMT_NONE, AMF_SURFACE_UNKNOWN },
72 { AV_PIX_FMT_NV12, AMF_SURFACE_NV12 },
73 { AV_PIX_FMT_BGR0, AMF_SURFACE_BGRA },
74 { AV_PIX_FMT_RGB0, AMF_SURFACE_RGBA },
75 { AV_PIX_FMT_GRAY8, AMF_SURFACE_GRAY8 },
76 { AV_PIX_FMT_YUV420P, AMF_SURFACE_YUV420P },
77 { AV_PIX_FMT_YUYV422, AMF_SURFACE_YUY2 },
78 };
79
amf_av_to_amf_format(enum AVPixelFormat fmt)80 static enum AMF_SURFACE_FORMAT amf_av_to_amf_format(enum AVPixelFormat fmt)
81 {
82 int i;
83 for (i = 0; i < amf_countof(format_map); i++) {
84 if (format_map[i].av_format == fmt) {
85 return format_map[i].amf_format;
86 }
87 }
88 return AMF_SURFACE_UNKNOWN;
89 }
90
AMFTraceWriter_Write(AMFTraceWriter * pThis,const wchar_t * scope,const wchar_t * message)91 static void AMF_CDECL_CALL AMFTraceWriter_Write(AMFTraceWriter *pThis,
92 const wchar_t *scope, const wchar_t *message)
93 {
94 AmfTraceWriter *tracer = (AmfTraceWriter*)pThis;
95 av_log(tracer->avctx, AV_LOG_DEBUG, "%ls: %ls", scope, message); // \n is provided from AMF
96 }
97
AMFTraceWriter_Flush(AMFTraceWriter * pThis)98 static void AMF_CDECL_CALL AMFTraceWriter_Flush(AMFTraceWriter *pThis)
99 {
100 }
101
102 static AMFTraceWriterVtbl tracer_vtbl =
103 {
104 .Write = AMFTraceWriter_Write,
105 .Flush = AMFTraceWriter_Flush,
106 };
107
amf_load_library(AVCodecContext * avctx)108 static int amf_load_library(AVCodecContext *avctx)
109 {
110 AmfContext *ctx = avctx->priv_data;
111 AMFInit_Fn init_fun;
112 AMFQueryVersion_Fn version_fun;
113 AMF_RESULT res;
114
115 ctx->delayed_frame = av_frame_alloc();
116 if (!ctx->delayed_frame) {
117 return AVERROR(ENOMEM);
118 }
119 // hardcoded to current HW queue size - will realloc in timestamp_queue_enqueue() if too small
120 ctx->timestamp_list = av_fifo_alloc((avctx->max_b_frames + 16) * sizeof(int64_t));
121 if (!ctx->timestamp_list) {
122 return AVERROR(ENOMEM);
123 }
124 ctx->dts_delay = 0;
125
126
127 ctx->library = dlopen(AMF_DLL_NAMEA, RTLD_NOW | RTLD_LOCAL);
128 AMF_RETURN_IF_FALSE(ctx, ctx->library != NULL,
129 AVERROR_UNKNOWN, "DLL %s failed to open\n", AMF_DLL_NAMEA);
130
131 init_fun = (AMFInit_Fn)dlsym(ctx->library, AMF_INIT_FUNCTION_NAME);
132 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);
133
134 version_fun = (AMFQueryVersion_Fn)dlsym(ctx->library, AMF_QUERY_VERSION_FUNCTION_NAME);
135 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);
136
137 res = version_fun(&ctx->version);
138 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "%s failed with error %d\n", AMF_QUERY_VERSION_FUNCTION_NAME, res);
139 res = init_fun(AMF_FULL_VERSION, &ctx->factory);
140 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "%s failed with error %d\n", AMF_INIT_FUNCTION_NAME, res);
141 res = ctx->factory->pVtbl->GetTrace(ctx->factory, &ctx->trace);
142 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "GetTrace() failed with error %d\n", res);
143 res = ctx->factory->pVtbl->GetDebug(ctx->factory, &ctx->debug);
144 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "GetDebug() failed with error %d\n", res);
145 return 0;
146 }
147
148 #if CONFIG_D3D11VA
amf_init_from_d3d11_device(AVCodecContext * avctx,AVD3D11VADeviceContext * hwctx)149 static int amf_init_from_d3d11_device(AVCodecContext *avctx, AVD3D11VADeviceContext *hwctx)
150 {
151 AmfContext *ctx = avctx->priv_data;
152 AMF_RESULT res;
153
154 res = ctx->context->pVtbl->InitDX11(ctx->context, hwctx->device, AMF_DX11_1);
155 if (res != AMF_OK) {
156 if (res == AMF_NOT_SUPPORTED)
157 av_log(avctx, AV_LOG_ERROR, "AMF via D3D11 is not supported on the given device.\n");
158 else
159 av_log(avctx, AV_LOG_ERROR, "AMF failed to initialise on the given D3D11 device: %d.\n", res);
160 return AVERROR(ENODEV);
161 }
162
163 return 0;
164 }
165 #endif
166
167 #if CONFIG_DXVA2
amf_init_from_dxva2_device(AVCodecContext * avctx,AVDXVA2DeviceContext * hwctx)168 static int amf_init_from_dxva2_device(AVCodecContext *avctx, AVDXVA2DeviceContext *hwctx)
169 {
170 AmfContext *ctx = avctx->priv_data;
171 HANDLE device_handle;
172 IDirect3DDevice9 *device;
173 HRESULT hr;
174 AMF_RESULT res;
175 int ret;
176
177 hr = IDirect3DDeviceManager9_OpenDeviceHandle(hwctx->devmgr, &device_handle);
178 if (FAILED(hr)) {
179 av_log(avctx, AV_LOG_ERROR, "Failed to open device handle for Direct3D9 device: %lx.\n", (unsigned long)hr);
180 return AVERROR_EXTERNAL;
181 }
182
183 hr = IDirect3DDeviceManager9_LockDevice(hwctx->devmgr, device_handle, &device, FALSE);
184 if (SUCCEEDED(hr)) {
185 IDirect3DDeviceManager9_UnlockDevice(hwctx->devmgr, device_handle, FALSE);
186 ret = 0;
187 } else {
188 av_log(avctx, AV_LOG_ERROR, "Failed to lock device handle for Direct3D9 device: %lx.\n", (unsigned long)hr);
189 ret = AVERROR_EXTERNAL;
190 }
191
192 IDirect3DDeviceManager9_CloseDeviceHandle(hwctx->devmgr, device_handle);
193
194 if (ret < 0)
195 return ret;
196
197 res = ctx->context->pVtbl->InitDX9(ctx->context, device);
198
199 IDirect3DDevice9_Release(device);
200
201 if (res != AMF_OK) {
202 if (res == AMF_NOT_SUPPORTED)
203 av_log(avctx, AV_LOG_ERROR, "AMF via D3D9 is not supported on the given device.\n");
204 else
205 av_log(avctx, AV_LOG_ERROR, "AMF failed to initialise on given D3D9 device: %d.\n", res);
206 return AVERROR(ENODEV);
207 }
208
209 return 0;
210 }
211 #endif
212
amf_init_context(AVCodecContext * avctx)213 static int amf_init_context(AVCodecContext *avctx)
214 {
215 AmfContext *ctx = avctx->priv_data;
216 AMFContext1 *context1 = NULL;
217 AMF_RESULT res;
218 av_unused int ret;
219
220 ctx->hwsurfaces_in_queue = 0;
221 ctx->hwsurfaces_in_queue_max = 16;
222
223 // configure AMF logger
224 // the return of these functions indicates old state and do not affect behaviour
225 ctx->trace->pVtbl->EnableWriter(ctx->trace, AMF_TRACE_WRITER_DEBUG_OUTPUT, ctx->log_to_dbg != 0 );
226 if (ctx->log_to_dbg)
227 ctx->trace->pVtbl->SetWriterLevel(ctx->trace, AMF_TRACE_WRITER_DEBUG_OUTPUT, AMF_TRACE_TRACE);
228 ctx->trace->pVtbl->EnableWriter(ctx->trace, AMF_TRACE_WRITER_CONSOLE, 0);
229 ctx->trace->pVtbl->SetGlobalLevel(ctx->trace, AMF_TRACE_TRACE);
230
231 // connect AMF logger to av_log
232 ctx->tracer.vtbl = &tracer_vtbl;
233 ctx->tracer.avctx = avctx;
234 ctx->trace->pVtbl->RegisterWriter(ctx->trace, FFMPEG_AMF_WRITER_ID,(AMFTraceWriter*)&ctx->tracer, 1);
235 ctx->trace->pVtbl->SetWriterLevel(ctx->trace, FFMPEG_AMF_WRITER_ID, AMF_TRACE_TRACE);
236
237 res = ctx->factory->pVtbl->CreateContext(ctx->factory, &ctx->context);
238 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "CreateContext() failed with error %d\n", res);
239
240 // If a device was passed to the encoder, try to initialise from that.
241 if (avctx->hw_frames_ctx) {
242 AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
243
244 if (amf_av_to_amf_format(frames_ctx->sw_format) == AMF_SURFACE_UNKNOWN) {
245 av_log(avctx, AV_LOG_ERROR, "Format of input frames context (%s) is not supported by AMF.\n",
246 av_get_pix_fmt_name(frames_ctx->sw_format));
247 return AVERROR(EINVAL);
248 }
249
250 switch (frames_ctx->device_ctx->type) {
251 #if CONFIG_D3D11VA
252 case AV_HWDEVICE_TYPE_D3D11VA:
253 ret = amf_init_from_d3d11_device(avctx, frames_ctx->device_ctx->hwctx);
254 if (ret < 0)
255 return ret;
256 break;
257 #endif
258 #if CONFIG_DXVA2
259 case AV_HWDEVICE_TYPE_DXVA2:
260 ret = amf_init_from_dxva2_device(avctx, frames_ctx->device_ctx->hwctx);
261 if (ret < 0)
262 return ret;
263 break;
264 #endif
265 default:
266 av_log(avctx, AV_LOG_ERROR, "AMF initialisation from a %s frames context is not supported.\n",
267 av_hwdevice_get_type_name(frames_ctx->device_ctx->type));
268 return AVERROR(ENOSYS);
269 }
270
271 ctx->hw_frames_ctx = av_buffer_ref(avctx->hw_frames_ctx);
272 if (!ctx->hw_frames_ctx)
273 return AVERROR(ENOMEM);
274
275 if (frames_ctx->initial_pool_size > 0)
276 ctx->hwsurfaces_in_queue_max = frames_ctx->initial_pool_size - 1;
277
278 } else if (avctx->hw_device_ctx) {
279 AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)avctx->hw_device_ctx->data;
280
281 switch (device_ctx->type) {
282 #if CONFIG_D3D11VA
283 case AV_HWDEVICE_TYPE_D3D11VA:
284 ret = amf_init_from_d3d11_device(avctx, device_ctx->hwctx);
285 if (ret < 0)
286 return ret;
287 break;
288 #endif
289 #if CONFIG_DXVA2
290 case AV_HWDEVICE_TYPE_DXVA2:
291 ret = amf_init_from_dxva2_device(avctx, device_ctx->hwctx);
292 if (ret < 0)
293 return ret;
294 break;
295 #endif
296 default:
297 av_log(avctx, AV_LOG_ERROR, "AMF initialisation from a %s device is not supported.\n",
298 av_hwdevice_get_type_name(device_ctx->type));
299 return AVERROR(ENOSYS);
300 }
301
302 ctx->hw_device_ctx = av_buffer_ref(avctx->hw_device_ctx);
303 if (!ctx->hw_device_ctx)
304 return AVERROR(ENOMEM);
305
306 } else {
307 res = ctx->context->pVtbl->InitDX11(ctx->context, NULL, AMF_DX11_1);
308 if (res == AMF_OK) {
309 av_log(avctx, AV_LOG_VERBOSE, "AMF initialisation succeeded via D3D11.\n");
310 } else {
311 res = ctx->context->pVtbl->InitDX9(ctx->context, NULL);
312 if (res == AMF_OK) {
313 av_log(avctx, AV_LOG_VERBOSE, "AMF initialisation succeeded via D3D9.\n");
314 } else {
315 AMFGuid guid = IID_AMFContext1();
316 res = ctx->context->pVtbl->QueryInterface(ctx->context, &guid, (void**)&context1);
317 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "CreateContext1() failed with error %d\n", res);
318
319 res = context1->pVtbl->InitVulkan(context1, NULL);
320 context1->pVtbl->Release(context1);
321 if (res != AMF_OK) {
322 if (res == AMF_NOT_SUPPORTED)
323 av_log(avctx, AV_LOG_ERROR, "AMF via Vulkan is not supported on the given device.\n");
324 else
325 av_log(avctx, AV_LOG_ERROR, "AMF failed to initialise on the given Vulkan device: %d.\n", res);
326 return AVERROR(ENOSYS);
327 }
328 av_log(avctx, AV_LOG_VERBOSE, "AMF initialisation succeeded via Vulkan.\n");
329 }
330 }
331 }
332 return 0;
333 }
334
amf_init_encoder(AVCodecContext * avctx)335 static int amf_init_encoder(AVCodecContext *avctx)
336 {
337 AmfContext *ctx = avctx->priv_data;
338 const wchar_t *codec_id = NULL;
339 AMF_RESULT res;
340 enum AVPixelFormat pix_fmt;
341
342 switch (avctx->codec->id) {
343 case AV_CODEC_ID_H264:
344 codec_id = AMFVideoEncoderVCE_AVC;
345 break;
346 case AV_CODEC_ID_HEVC:
347 codec_id = AMFVideoEncoder_HEVC;
348 break;
349 default:
350 break;
351 }
352 AMF_RETURN_IF_FALSE(ctx, codec_id != NULL, AVERROR(EINVAL), "Codec %d is not supported\n", avctx->codec->id);
353
354 if (ctx->hw_frames_ctx)
355 pix_fmt = ((AVHWFramesContext*)ctx->hw_frames_ctx->data)->sw_format;
356 else
357 pix_fmt = avctx->pix_fmt;
358
359 ctx->format = amf_av_to_amf_format(pix_fmt);
360 AMF_RETURN_IF_FALSE(ctx, ctx->format != AMF_SURFACE_UNKNOWN, AVERROR(EINVAL),
361 "Format %s is not supported\n", av_get_pix_fmt_name(pix_fmt));
362
363 res = ctx->factory->pVtbl->CreateComponent(ctx->factory, ctx->context, codec_id, &ctx->encoder);
364 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_ENCODER_NOT_FOUND, "CreateComponent(%ls) failed with error %d\n", codec_id, res);
365
366 return 0;
367 }
368
ff_amf_encode_close(AVCodecContext * avctx)369 int av_cold ff_amf_encode_close(AVCodecContext *avctx)
370 {
371 AmfContext *ctx = avctx->priv_data;
372
373 if (ctx->delayed_surface) {
374 ctx->delayed_surface->pVtbl->Release(ctx->delayed_surface);
375 ctx->delayed_surface = NULL;
376 }
377
378 if (ctx->encoder) {
379 ctx->encoder->pVtbl->Terminate(ctx->encoder);
380 ctx->encoder->pVtbl->Release(ctx->encoder);
381 ctx->encoder = NULL;
382 }
383
384 if (ctx->context) {
385 ctx->context->pVtbl->Terminate(ctx->context);
386 ctx->context->pVtbl->Release(ctx->context);
387 ctx->context = NULL;
388 }
389 av_buffer_unref(&ctx->hw_device_ctx);
390 av_buffer_unref(&ctx->hw_frames_ctx);
391
392 if (ctx->trace) {
393 ctx->trace->pVtbl->UnregisterWriter(ctx->trace, FFMPEG_AMF_WRITER_ID);
394 }
395 if (ctx->library) {
396 dlclose(ctx->library);
397 ctx->library = NULL;
398 }
399 ctx->trace = NULL;
400 ctx->debug = NULL;
401 ctx->factory = NULL;
402 ctx->version = 0;
403 ctx->delayed_drain = 0;
404 av_frame_free(&ctx->delayed_frame);
405 av_fifo_freep(&ctx->timestamp_list);
406
407 return 0;
408 }
409
amf_copy_surface(AVCodecContext * avctx,const AVFrame * frame,AMFSurface * surface)410 static int amf_copy_surface(AVCodecContext *avctx, const AVFrame *frame,
411 AMFSurface* surface)
412 {
413 AMFPlane *plane;
414 uint8_t *dst_data[4];
415 int dst_linesize[4];
416 int planes;
417 int i;
418
419 planes = surface->pVtbl->GetPlanesCount(surface);
420 av_assert0(planes < FF_ARRAY_ELEMS(dst_data));
421
422 for (i = 0; i < planes; i++) {
423 plane = surface->pVtbl->GetPlaneAt(surface, i);
424 dst_data[i] = plane->pVtbl->GetNative(plane);
425 dst_linesize[i] = plane->pVtbl->GetHPitch(plane);
426 }
427 av_image_copy(dst_data, dst_linesize,
428 (const uint8_t**)frame->data, frame->linesize, frame->format,
429 avctx->width, avctx->height);
430
431 return 0;
432 }
433
timestamp_queue_enqueue(AVCodecContext * avctx,int64_t timestamp)434 static inline int timestamp_queue_enqueue(AVCodecContext *avctx, int64_t timestamp)
435 {
436 AmfContext *ctx = avctx->priv_data;
437 if (av_fifo_space(ctx->timestamp_list) < sizeof(timestamp)) {
438 if (av_fifo_grow(ctx->timestamp_list, sizeof(timestamp)) < 0) {
439 return AVERROR(ENOMEM);
440 }
441 }
442 av_fifo_generic_write(ctx->timestamp_list, ×tamp, sizeof(timestamp), NULL);
443 return 0;
444 }
445
amf_copy_buffer(AVCodecContext * avctx,AVPacket * pkt,AMFBuffer * buffer)446 static int amf_copy_buffer(AVCodecContext *avctx, AVPacket *pkt, AMFBuffer *buffer)
447 {
448 AmfContext *ctx = avctx->priv_data;
449 int ret;
450 AMFVariantStruct var = {0};
451 int64_t timestamp = AV_NOPTS_VALUE;
452 int64_t size = buffer->pVtbl->GetSize(buffer);
453
454 if ((ret = av_new_packet(pkt, size)) < 0) {
455 return ret;
456 }
457 memcpy(pkt->data, buffer->pVtbl->GetNative(buffer), size);
458
459 switch (avctx->codec->id) {
460 case AV_CODEC_ID_H264:
461 buffer->pVtbl->GetProperty(buffer, AMF_VIDEO_ENCODER_OUTPUT_DATA_TYPE, &var);
462 if(var.int64Value == AMF_VIDEO_ENCODER_OUTPUT_DATA_TYPE_IDR) {
463 pkt->flags = AV_PKT_FLAG_KEY;
464 }
465 break;
466 case AV_CODEC_ID_HEVC:
467 buffer->pVtbl->GetProperty(buffer, AMF_VIDEO_ENCODER_HEVC_OUTPUT_DATA_TYPE, &var);
468 if (var.int64Value == AMF_VIDEO_ENCODER_HEVC_OUTPUT_DATA_TYPE_IDR) {
469 pkt->flags = AV_PKT_FLAG_KEY;
470 }
471 break;
472 default:
473 break;
474 }
475
476 buffer->pVtbl->GetProperty(buffer, PTS_PROP, &var);
477
478 pkt->pts = var.int64Value; // original pts
479
480
481 AMF_RETURN_IF_FALSE(ctx, av_fifo_size(ctx->timestamp_list) > 0, AVERROR_UNKNOWN, "timestamp_list is empty\n");
482
483 av_fifo_generic_read(ctx->timestamp_list, ×tamp, sizeof(timestamp), NULL);
484
485 // calc dts shift if max_b_frames > 0
486 if (avctx->max_b_frames > 0 && ctx->dts_delay == 0) {
487 int64_t timestamp_last = AV_NOPTS_VALUE;
488 AMF_RETURN_IF_FALSE(ctx, av_fifo_size(ctx->timestamp_list) > 0, AVERROR_UNKNOWN,
489 "timestamp_list is empty while max_b_frames = %d\n", avctx->max_b_frames);
490 av_fifo_generic_peek_at(
491 ctx->timestamp_list,
492 ×tamp_last,
493 (av_fifo_size(ctx->timestamp_list) / sizeof(timestamp) - 1) * sizeof(timestamp_last),
494 sizeof(timestamp_last),
495 NULL);
496 if (timestamp < 0 || timestamp_last < AV_NOPTS_VALUE) {
497 return AVERROR(ERANGE);
498 }
499 ctx->dts_delay = timestamp_last - timestamp;
500 }
501 pkt->dts = timestamp - ctx->dts_delay;
502 return 0;
503 }
504
505 // amfenc API implementation
ff_amf_encode_init(AVCodecContext * avctx)506 int ff_amf_encode_init(AVCodecContext *avctx)
507 {
508 int ret;
509
510 if ((ret = amf_load_library(avctx)) == 0) {
511 if ((ret = amf_init_context(avctx)) == 0) {
512 if ((ret = amf_init_encoder(avctx)) == 0) {
513 return 0;
514 }
515 }
516 }
517 ff_amf_encode_close(avctx);
518 return ret;
519 }
520
amf_set_property_buffer(AMFSurface * object,const wchar_t * name,AMFBuffer * val)521 static AMF_RESULT amf_set_property_buffer(AMFSurface *object, const wchar_t *name, AMFBuffer *val)
522 {
523 AMF_RESULT res;
524 AMFVariantStruct var;
525 res = AMFVariantInit(&var);
526 if (res == AMF_OK) {
527 AMFGuid guid_AMFInterface = IID_AMFInterface();
528 AMFInterface *amf_interface;
529 res = val->pVtbl->QueryInterface(val, &guid_AMFInterface, (void**)&amf_interface);
530
531 if (res == AMF_OK) {
532 res = AMFVariantAssignInterface(&var, amf_interface);
533 amf_interface->pVtbl->Release(amf_interface);
534 }
535 if (res == AMF_OK) {
536 res = object->pVtbl->SetProperty(object, name, var);
537 }
538 AMFVariantClear(&var);
539 }
540 return res;
541 }
542
amf_get_property_buffer(AMFData * object,const wchar_t * name,AMFBuffer ** val)543 static AMF_RESULT amf_get_property_buffer(AMFData *object, const wchar_t *name, AMFBuffer **val)
544 {
545 AMF_RESULT res;
546 AMFVariantStruct var;
547 res = AMFVariantInit(&var);
548 if (res == AMF_OK) {
549 res = object->pVtbl->GetProperty(object, name, &var);
550 if (res == AMF_OK) {
551 if (var.type == AMF_VARIANT_INTERFACE) {
552 AMFGuid guid_AMFBuffer = IID_AMFBuffer();
553 AMFInterface *amf_interface = AMFVariantInterface(&var);
554 res = amf_interface->pVtbl->QueryInterface(amf_interface, &guid_AMFBuffer, (void**)val);
555 } else {
556 res = AMF_INVALID_DATA_TYPE;
557 }
558 }
559 AMFVariantClear(&var);
560 }
561 return res;
562 }
563
amf_create_buffer_with_frame_ref(const AVFrame * frame,AMFContext * context)564 static AMFBuffer *amf_create_buffer_with_frame_ref(const AVFrame *frame, AMFContext *context)
565 {
566 AVFrame *frame_ref;
567 AMFBuffer *frame_ref_storage_buffer = NULL;
568 AMF_RESULT res;
569
570 res = context->pVtbl->AllocBuffer(context, AMF_MEMORY_HOST, sizeof(frame_ref), &frame_ref_storage_buffer);
571 if (res == AMF_OK) {
572 frame_ref = av_frame_clone(frame);
573 if (frame_ref) {
574 memcpy(frame_ref_storage_buffer->pVtbl->GetNative(frame_ref_storage_buffer), &frame_ref, sizeof(frame_ref));
575 } else {
576 frame_ref_storage_buffer->pVtbl->Release(frame_ref_storage_buffer);
577 frame_ref_storage_buffer = NULL;
578 }
579 }
580 return frame_ref_storage_buffer;
581 }
582
amf_release_buffer_with_frame_ref(AMFBuffer * frame_ref_storage_buffer)583 static void amf_release_buffer_with_frame_ref(AMFBuffer *frame_ref_storage_buffer)
584 {
585 AVFrame *frame_ref;
586 memcpy(&frame_ref, frame_ref_storage_buffer->pVtbl->GetNative(frame_ref_storage_buffer), sizeof(frame_ref));
587 av_frame_free(&frame_ref);
588 frame_ref_storage_buffer->pVtbl->Release(frame_ref_storage_buffer);
589 }
590
ff_amf_send_frame(AVCodecContext * avctx,const AVFrame * frame)591 int ff_amf_send_frame(AVCodecContext *avctx, const AVFrame *frame)
592 {
593 AmfContext *ctx = avctx->priv_data;
594 AMFSurface *surface;
595 AMF_RESULT res;
596 int ret;
597
598 if (!ctx->encoder)
599 return AVERROR(EINVAL);
600
601 if (!frame) { // submit drain
602 if (!ctx->eof) { // submit drain one time only
603 if (ctx->delayed_surface != NULL) {
604 ctx->delayed_drain = 1; // input queue is full: resubmit Drain() in ff_amf_receive_packet
605 } else if(!ctx->delayed_drain) {
606 res = ctx->encoder->pVtbl->Drain(ctx->encoder);
607 if (res == AMF_INPUT_FULL) {
608 ctx->delayed_drain = 1; // input queue is full: resubmit Drain() in ff_amf_receive_packet
609 } else {
610 if (res == AMF_OK) {
611 ctx->eof = 1; // drain started
612 }
613 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "Drain() failed with error %d\n", res);
614 }
615 }
616 } else{
617 return AVERROR_EOF;
618 }
619 } else { // submit frame
620 int hw_surface = 0;
621
622 if (ctx->delayed_surface != NULL) {
623 return AVERROR(EAGAIN); // should not happen when called from ffmpeg, other clients may resubmit
624 }
625 // prepare surface from frame
626 switch (frame->format) {
627 #if CONFIG_D3D11VA
628 case AV_PIX_FMT_D3D11:
629 {
630 static const GUID AMFTextureArrayIndexGUID = { 0x28115527, 0xe7c3, 0x4b66, { 0x99, 0xd3, 0x4f, 0x2a, 0xe6, 0xb4, 0x7f, 0xaf } };
631 ID3D11Texture2D *texture = (ID3D11Texture2D*)frame->data[0]; // actual texture
632 int index = (intptr_t)frame->data[1]; // index is a slice in texture array is - set to tell AMF which slice to use
633
634 av_assert0(frame->hw_frames_ctx && ctx->hw_frames_ctx &&
635 frame->hw_frames_ctx->data == ctx->hw_frames_ctx->data);
636
637 texture->lpVtbl->SetPrivateData(texture, &AMFTextureArrayIndexGUID, sizeof(index), &index);
638
639 res = ctx->context->pVtbl->CreateSurfaceFromDX11Native(ctx->context, texture, &surface, NULL); // wrap to AMF surface
640 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR(ENOMEM), "CreateSurfaceFromDX11Native() failed with error %d\n", res);
641
642 hw_surface = 1;
643 }
644 break;
645 #endif
646 #if CONFIG_DXVA2
647 case AV_PIX_FMT_DXVA2_VLD:
648 {
649 IDirect3DSurface9 *texture = (IDirect3DSurface9 *)frame->data[3]; // actual texture
650
651 res = ctx->context->pVtbl->CreateSurfaceFromDX9Native(ctx->context, texture, &surface, NULL); // wrap to AMF surface
652 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR(ENOMEM), "CreateSurfaceFromDX9Native() failed with error %d\n", res);
653
654 hw_surface = 1;
655 }
656 break;
657 #endif
658 default:
659 {
660 res = ctx->context->pVtbl->AllocSurface(ctx->context, AMF_MEMORY_HOST, ctx->format, avctx->width, avctx->height, &surface);
661 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR(ENOMEM), "AllocSurface() failed with error %d\n", res);
662 amf_copy_surface(avctx, frame, surface);
663 }
664 break;
665 }
666
667 if (hw_surface) {
668 AMFBuffer *frame_ref_storage_buffer;
669
670 // input HW surfaces can be vertically aligned by 16; tell AMF the real size
671 surface->pVtbl->SetCrop(surface, 0, 0, frame->width, frame->height);
672
673 frame_ref_storage_buffer = amf_create_buffer_with_frame_ref(frame, ctx->context);
674 AMF_RETURN_IF_FALSE(ctx, frame_ref_storage_buffer != NULL, AVERROR(ENOMEM), "create_buffer_with_frame_ref() returned NULL\n");
675
676 res = amf_set_property_buffer(surface, L"av_frame_ref", frame_ref_storage_buffer);
677 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "SetProperty failed for \"av_frame_ref\" with error %d\n", res);
678 ctx->hwsurfaces_in_queue++;
679 frame_ref_storage_buffer->pVtbl->Release(frame_ref_storage_buffer);
680 }
681
682 surface->pVtbl->SetPts(surface, frame->pts);
683 AMF_ASSIGN_PROPERTY_INT64(res, surface, PTS_PROP, frame->pts);
684
685 switch (avctx->codec->id) {
686 case AV_CODEC_ID_H264:
687 AMF_ASSIGN_PROPERTY_INT64(res, surface, AMF_VIDEO_ENCODER_INSERT_AUD, !!ctx->aud);
688 break;
689 case AV_CODEC_ID_HEVC:
690 AMF_ASSIGN_PROPERTY_INT64(res, surface, AMF_VIDEO_ENCODER_HEVC_INSERT_AUD, !!ctx->aud);
691 break;
692 default:
693 break;
694 }
695
696
697 // submit surface
698 res = ctx->encoder->pVtbl->SubmitInput(ctx->encoder, (AMFData*)surface);
699 if (res == AMF_INPUT_FULL) { // handle full queue
700 //store surface for later submission
701 ctx->delayed_surface = surface;
702 if (surface->pVtbl->GetMemoryType(surface) == AMF_MEMORY_DX11) {
703 av_frame_ref(ctx->delayed_frame, frame);
704 }
705 } else {
706 surface->pVtbl->Release(surface);
707 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "SubmitInput() failed with error %d\n", res);
708
709 if ((ret = timestamp_queue_enqueue(avctx, frame->pts)) < 0) {
710 return ret;
711 }
712
713 }
714 }
715 return 0;
716 }
ff_amf_receive_packet(AVCodecContext * avctx,AVPacket * avpkt)717 int ff_amf_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
718 {
719 int ret;
720 AMF_RESULT res;
721 AMF_RESULT res_query;
722 AmfContext *ctx = avctx->priv_data;
723 AMFData *data = NULL;
724 int block_and_wait;
725
726 if (!ctx->encoder)
727 return AVERROR(EINVAL);
728
729 do {
730 block_and_wait = 0;
731 // poll data
732 res_query = ctx->encoder->pVtbl->QueryOutput(ctx->encoder, &data);
733 if (data) {
734 // copy data to packet
735 AMFBuffer* buffer;
736 AMFGuid guid = IID_AMFBuffer();
737 data->pVtbl->QueryInterface(data, &guid, (void**)&buffer); // query for buffer interface
738 ret = amf_copy_buffer(avctx, avpkt, buffer);
739
740 buffer->pVtbl->Release(buffer);
741
742 if (data->pVtbl->HasProperty(data, L"av_frame_ref")) {
743 AMFBuffer *frame_ref_storage_buffer;
744 res = amf_get_property_buffer(data, L"av_frame_ref", &frame_ref_storage_buffer);
745 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "GetProperty failed for \"av_frame_ref\" with error %d\n", res);
746 amf_release_buffer_with_frame_ref(frame_ref_storage_buffer);
747 ctx->hwsurfaces_in_queue--;
748 }
749
750 data->pVtbl->Release(data);
751
752 AMF_RETURN_IF_FALSE(ctx, ret >= 0, ret, "amf_copy_buffer() failed with error %d\n", ret);
753
754 if (ctx->delayed_surface != NULL) { // try to resubmit frame
755 res = ctx->encoder->pVtbl->SubmitInput(ctx->encoder, (AMFData*)ctx->delayed_surface);
756 if (res != AMF_INPUT_FULL) {
757 int64_t pts = ctx->delayed_surface->pVtbl->GetPts(ctx->delayed_surface);
758 ctx->delayed_surface->pVtbl->Release(ctx->delayed_surface);
759 ctx->delayed_surface = NULL;
760 av_frame_unref(ctx->delayed_frame);
761 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "Repeated SubmitInput() failed with error %d\n", res);
762
763 if ((ret = timestamp_queue_enqueue(avctx, pts)) < 0) {
764 return ret;
765 }
766 } else {
767 av_log(avctx, AV_LOG_WARNING, "Data acquired but delayed frame submission got AMF_INPUT_FULL- should not happen\n");
768 }
769 } else if (ctx->delayed_drain) { // try to resubmit drain
770 res = ctx->encoder->pVtbl->Drain(ctx->encoder);
771 if (res != AMF_INPUT_FULL) {
772 ctx->delayed_drain = 0;
773 ctx->eof = 1; // drain started
774 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "Repeated Drain() failed with error %d\n", res);
775 } else {
776 av_log(avctx, AV_LOG_WARNING, "Data acquired but delayed drain submission got AMF_INPUT_FULL- should not happen\n");
777 }
778 }
779 } else if (ctx->delayed_surface != NULL || ctx->delayed_drain || (ctx->eof && res_query != AMF_EOF) || (ctx->hwsurfaces_in_queue >= ctx->hwsurfaces_in_queue_max)) {
780 block_and_wait = 1;
781 av_usleep(1000); // wait and poll again
782 }
783 } while (block_and_wait);
784
785 if (res_query == AMF_EOF) {
786 ret = AVERROR_EOF;
787 } else if (data == NULL) {
788 ret = AVERROR(EAGAIN);
789 } else {
790 ret = 0;
791 }
792 return ret;
793 }
794