74b020b4d8a93181c44c1c71c9d1c5196765564b
[libav.git] / libavcodec / amfenc.c
1 /*
2 * AMD AMF support
3 * Copyright (C) 2017 Luca Barbato
4 * Copyright (C) 2017 Mikhail Mironov <mikhail.mironov@amd.com>
5 *
6 * This file is part of Libav.
7 *
8 * Libav is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * Libav is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with Libav; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23 #include "libavutil/avassert.h"
24 #include "libavutil/imgutils.h"
25 #include "libavutil/hwcontext.h"
26 #include "internal.h"
27 #if CONFIG_D3D11VA
28 #include "libavutil/hwcontext_d3d11va.h"
29 #endif
30 #include "libavutil/mem.h"
31 #include "libavutil/pixdesc.h"
32 #include "libavutil/time.h"
33
34 #include "amfenc.h"
35
36 #if CONFIG_D3D11VA
37 #include <d3d11.h>
38 #endif
39
40 #if HAVE_WINDOWS_H
41 #include <windows.h>
42 #define dlopen(filename, flags) LoadLibrary((filename))
43 #define dlsym(handle, symbol) GetProcAddress(handle, symbol)
44 #define dlclose(handle) FreeLibrary(handle)
45 #else
46 #include <dlfcn.h>
47 #endif
48
49 #define LIBAV_AMF_WRITER_ID L"libav_log"
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 AV_PIX_FMT_NONE
60 };
61
62 typedef struct FormatMap {
63 enum AVPixelFormat av_format;
64 enum AMF_SURFACE_FORMAT amf_format;
65 } FormatMap;
66
67 static const FormatMap format_map[] =
68 {
69 { AV_PIX_FMT_NONE, AMF_SURFACE_UNKNOWN },
70 { AV_PIX_FMT_NV12, AMF_SURFACE_NV12 },
71 // { AV_PIX_FMT_BGR0, AMF_SURFACE_BGRA },
72 // { AV_PIX_FMT_RGB0, AMF_SURFACE_RGBA },
73 { AV_PIX_FMT_GRAY8, AMF_SURFACE_GRAY8 },
74 { AV_PIX_FMT_YUV420P, AMF_SURFACE_YUV420P },
75 { AV_PIX_FMT_YUYV422, AMF_SURFACE_YUY2 },
76 { AV_PIX_FMT_D3D11, AMF_SURFACE_NV12 },
77 };
78
79
80 static int is_hwaccel_pix_fmt(enum AVPixelFormat pix_fmt)
81 {
82 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
83 return desc->flags & AV_PIX_FMT_FLAG_HWACCEL;
84 }
85
86
87 static enum AMF_SURFACE_FORMAT amf_av_to_amf_format(enum AVPixelFormat fmt)
88 {
89 int i;
90 for (i = 0; i < amf_countof(format_map); i++) {
91 if (format_map[i].av_format == fmt) {
92 return format_map[i].amf_format;
93 }
94 }
95 return AMF_SURFACE_UNKNOWN;
96 }
97
98 static void AMF_CDECL_CALL AMFTraceWriter_Write(AMFTraceWriter *pThis,
99 const wchar_t *scope, const wchar_t *message)
100 {
101 AmfTraceWriter *tracer = (AmfTraceWriter*)pThis;
102 av_log(tracer->avctx, AV_LOG_DEBUG, "%ls: %ls", scope, message); // \n is provided from AMF
103 }
104
105 static void AMF_CDECL_CALL AMFTraceWriter_Flush(AMFTraceWriter *pThis)
106 {
107 }
108
109 static AMFTraceWriterVtbl tracer_vtbl =
110 {
111 .Write = AMFTraceWriter_Write,
112 .Flush = AMFTraceWriter_Flush,
113 };
114
115 static int amf_load_library(AVCodecContext *avctx)
116 {
117 AmfContext *ctx = avctx->priv_data;
118 AMFInit_Fn init_fun = NULL;
119 AMFQueryVersion_Fn version_fun = NULL;
120 AMF_RESULT res = AMF_OK;
121
122 ctx->eof = 0;
123 ctx->delayed_drain = 0;
124 ctx->hw_frames_ctx = NULL;
125 ctx->hw_device_ctx = NULL;
126 ctx->delayed_surface = NULL;
127 ctx->delayed_frame = av_frame_alloc();
128 if (!ctx->delayed_frame) {
129 return AVERROR(ENOMEM);
130 }
131 // hardcoded to current HW queue size - will realloc in timestamp_queue_enqueue() if too small
132 ctx->timestamp_list = av_fifo_alloc((avctx->max_b_frames + 16) * sizeof(int64_t));
133 if (!ctx->timestamp_list) {
134 return AVERROR(ENOMEM);
135 }
136 ctx->dts_delay = 0;
137
138
139 ctx->library = dlopen(AMF_DLL_NAMEA, RTLD_NOW | RTLD_LOCAL);
140 AMF_RETURN_IF_FALSE(ctx, ctx->library != NULL,
141 AVERROR_UNKNOWN, "DLL %s failed to open\n", AMF_DLL_NAMEA);
142
143 init_fun = (AMFInit_Fn)dlsym(ctx->library, AMF_INIT_FUNCTION_NAME);
144 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);
145
146 version_fun = (AMFQueryVersion_Fn)dlsym(ctx->library, AMF_QUERY_VERSION_FUNCTION_NAME);
147 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);
148
149 res = version_fun(&ctx->version);
150 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "%s failed with error %d\n", AMF_QUERY_VERSION_FUNCTION_NAME, res);
151 res = init_fun(AMF_FULL_VERSION, &ctx->factory);
152 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "%s failed with error %d\n", AMF_INIT_FUNCTION_NAME, res);
153 res = ctx->factory->pVtbl->GetTrace(ctx->factory, &ctx->trace);
154 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "GetTrace() failed with error %d\n", res);
155 res = ctx->factory->pVtbl->GetDebug(ctx->factory, &ctx->debug);
156 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "GetDebug() failed with error %d\n", res);
157 return 0;
158 }
159
160 static int amf_init_context(AVCodecContext *avctx)
161 {
162 AmfContext *ctx = avctx->priv_data;
163 AMF_RESULT res = AMF_OK;
164
165 // configure AMF logger
166 // the return of these functions indicates old state and do not affect behaviour
167 ctx->trace->pVtbl->EnableWriter(ctx->trace, AMF_TRACE_WRITER_DEBUG_OUTPUT, ctx->log_to_dbg != 0 );
168 if (ctx->log_to_dbg)
169 ctx->trace->pVtbl->SetWriterLevel(ctx->trace, AMF_TRACE_WRITER_DEBUG_OUTPUT, AMF_TRACE_TRACE);
170 ctx->trace->pVtbl->EnableWriter(ctx->trace, AMF_TRACE_WRITER_CONSOLE, 0);
171 ctx->trace->pVtbl->SetGlobalLevel(ctx->trace, AMF_TRACE_TRACE);
172
173 // connect AMF logger to av_log
174 ctx->tracer.vtbl = &tracer_vtbl;
175 ctx->tracer.avctx = avctx;
176 ctx->trace->pVtbl->RegisterWriter(ctx->trace, LIBAV_AMF_WRITER_ID,(AMFTraceWriter *)&ctx->tracer, 1);
177 ctx->trace->pVtbl->SetWriterLevel(ctx->trace, LIBAV_AMF_WRITER_ID, AMF_TRACE_TRACE);
178
179 res = ctx->factory->pVtbl->CreateContext(ctx->factory, &ctx->context);
180 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "CreateContext() failed with error %d\n", res);
181 // try to reuse existing DX device
182 #if CONFIG_D3D11VA
183 if (avctx->hw_frames_ctx) {
184 AVHWFramesContext *device_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
185 if (device_ctx->device_ctx->type == AV_HWDEVICE_TYPE_D3D11VA) {
186 if (amf_av_to_amf_format(device_ctx->sw_format) != AMF_SURFACE_UNKNOWN) {
187 if (device_ctx->device_ctx->hwctx) {
188 AVD3D11VADeviceContext *device_d3d11 = (AVD3D11VADeviceContext *)device_ctx->device_ctx->hwctx;
189 res = ctx->context->pVtbl->InitDX11(ctx->context, device_d3d11->device, AMF_DX11_1);
190 if (res == AMF_OK) {
191 ctx->hw_frames_ctx = av_buffer_ref(avctx->hw_frames_ctx);
192 if (!ctx->hw_frames_ctx) {
193 return AVERROR(ENOMEM);
194 }
195 } else {
196 if(res == AMF_NOT_SUPPORTED)
197 av_log(avctx, AV_LOG_INFO, "avctx->hw_frames_ctx has D3D11 device which doesn't have D3D11VA interface, switching to default\n");
198 else
199 av_log(avctx, AV_LOG_INFO, "avctx->hw_frames_ctx has non-AMD device, switching to default\n");
200 }
201 }
202 } else {
203 av_log(avctx, AV_LOG_INFO, "avctx->hw_frames_ctx has format not uspported by AMF, switching to default\n");
204 }
205 }
206 } else if (avctx->hw_device_ctx) {
207 AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)(avctx->hw_device_ctx->data);
208 if (device_ctx->type == AV_HWDEVICE_TYPE_D3D11VA) {
209 if (device_ctx->hwctx) {
210 AVD3D11VADeviceContext *device_d3d11 = (AVD3D11VADeviceContext *)device_ctx->hwctx;
211 res = ctx->context->pVtbl->InitDX11(ctx->context, device_d3d11->device, AMF_DX11_1);
212 if (res == AMF_OK) {
213 ctx->hw_device_ctx = av_buffer_ref(avctx->hw_device_ctx);
214 if (!ctx->hw_device_ctx) {
215 return AVERROR(ENOMEM);
216 }
217 } else {
218 if (res == AMF_NOT_SUPPORTED)
219 av_log(avctx, AV_LOG_INFO, "avctx->hw_device_ctx has D3D11 device which doesn't have D3D11VA interface, switching to default\n");
220 else
221 av_log(avctx, AV_LOG_INFO, "avctx->hw_device_ctx has non-AMD device, switching to default\n");
222 }
223 }
224 }
225 }
226 #endif
227 if (!ctx->hw_frames_ctx && !ctx->hw_device_ctx) {
228 res = ctx->context->pVtbl->InitDX11(ctx->context, NULL, AMF_DX11_1);
229 if (res != AMF_OK) {
230 res = ctx->context->pVtbl->InitDX9(ctx->context, NULL);
231 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "InitDX9() failed with error %d\n", res);
232 }
233 }
234 return 0;
235 }
236
237 static int amf_init_encoder(AVCodecContext *avctx)
238 {
239 AmfContext *ctx = avctx->priv_data;
240 const wchar_t *codec_id = NULL;
241 AMF_RESULT res = AMF_OK;
242
243 switch (avctx->codec->id) {
244 case AV_CODEC_ID_H264:
245 codec_id = AMFVideoEncoderVCE_AVC;
246 break;
247 case AV_CODEC_ID_HEVC:
248 codec_id = AMFVideoEncoder_HEVC;
249 break;
250 default:
251 break;
252 }
253 AMF_RETURN_IF_FALSE(ctx, codec_id != NULL, AVERROR(EINVAL), "Codec %d is not supported\n", avctx->codec->id);
254
255 ctx->format = amf_av_to_amf_format(avctx->pix_fmt);
256 AMF_RETURN_IF_FALSE(ctx, ctx->format != AMF_SURFACE_UNKNOWN, AVERROR(EINVAL), "Format %d is not supported\n", avctx->pix_fmt);
257
258 res = ctx->factory->pVtbl->CreateComponent(ctx->factory, ctx->context, codec_id, &ctx->encoder);
259 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_ENCODER_NOT_FOUND, "CreateComponent(%ls) failed with error %d\n", codec_id, res);
260
261 return 0;
262 }
263
264 int av_cold ff_amf_encode_close(AVCodecContext *avctx)
265 {
266 AmfContext *ctx = avctx->priv_data;
267 if (ctx->delayed_surface)
268 {
269 ctx->delayed_surface->pVtbl->Release(ctx->delayed_surface);
270 ctx->delayed_surface = NULL;
271 }
272
273 if (ctx->encoder) {
274 ctx->encoder->pVtbl->Terminate(ctx->encoder);
275 ctx->encoder->pVtbl->Release(ctx->encoder);
276 ctx->encoder = NULL;
277 }
278
279 if (ctx->context) {
280 ctx->context->pVtbl->Terminate(ctx->context);
281 ctx->context->pVtbl->Release(ctx->context);
282 ctx->context = NULL;
283 }
284 av_buffer_unref(&ctx->hw_device_ctx);
285 av_buffer_unref(&ctx->hw_frames_ctx);
286
287 if (ctx->trace) {
288 ctx->trace->pVtbl->UnregisterWriter(ctx->trace, LIBAV_AMF_WRITER_ID);
289 }
290 if (ctx->library) {
291 dlclose(ctx->library);
292 ctx->library = NULL;
293 }
294 ctx->trace = NULL;
295 ctx->debug = NULL;
296 ctx->factory = NULL;
297 ctx->version = 0;
298 ctx->delayed_drain = 0;
299 av_frame_free(&ctx->delayed_frame);
300 av_fifo_free(ctx->timestamp_list);
301 ctx->timestamp_list = NULL;
302 ctx->timestamp_last = 0;
303
304 return 0;
305 }
306
307 static int amf_copy_surface(AVCodecContext *avctx, const AVFrame *frame,
308 AMFSurface* surface)
309 {
310 AVFrame *sw_frame = NULL;
311 AMFPlane *plane = NULL;
312 uint8_t *dst_data[4];
313 int dst_linesize[4];
314 int ret = 0;
315 int planes;
316 int i;
317
318 if (frame->hw_frames_ctx && is_hwaccel_pix_fmt(frame->format)) {
319 if (!(sw_frame = av_frame_alloc())) {
320 av_log(avctx, AV_LOG_ERROR, "Can not alloc frame\n");
321 ret = AVERROR(ENOMEM);
322 goto fail;
323 }
324 if ((ret = av_hwframe_transfer_data(sw_frame, frame, 0)) < 0) {
325 av_log(avctx, AV_LOG_ERROR, "Error transferring the data to system memory\n");
326 goto fail;
327 }
328 frame = sw_frame;
329 }
330 planes = (int)surface->pVtbl->GetPlanesCount(surface);
331 if (planes > amf_countof(dst_data)) {
332 av_log(avctx, AV_LOG_ERROR, "Invalid number of planes %d in surface\n", planes);
333 ret = AVERROR(EINVAL);
334 goto fail;
335 }
336
337 for (i = 0; i < planes; i++) {
338 plane = surface->pVtbl->GetPlaneAt(surface, i);
339 dst_data[i] = plane->pVtbl->GetNative(plane);
340 dst_linesize[i] = plane->pVtbl->GetHPitch(plane);
341 }
342 av_image_copy(dst_data, dst_linesize,
343 (const uint8_t**)frame->data, frame->linesize, frame->format,
344 avctx->width, avctx->height);
345
346 fail:
347 if (sw_frame) {
348 av_frame_free(&sw_frame);
349 }
350 return ret;
351 }
352
353 static inline int timestamp_queue_enqueue(AVCodecContext *avctx, int64_t timestamp)
354 {
355 AmfContext *ctx = avctx->priv_data;
356 if (av_fifo_space(ctx->timestamp_list) < sizeof(timestamp)) {
357 int size = av_fifo_size(ctx->timestamp_list);
358 if (INT_MAX / 2 - size < sizeof(timestamp))
359 return AVERROR(EINVAL);
360 av_fifo_realloc2(ctx->timestamp_list, (size + sizeof(timestamp)) * 2);
361 }
362 av_fifo_generic_write(ctx->timestamp_list, &timestamp, sizeof(timestamp), NULL);
363 ctx->timestamp_last = timestamp;
364 return 0;
365 }
366
367 static int amf_copy_buffer(AVCodecContext *avctx, AVPacket *pkt, AMFBuffer *buffer)
368 {
369 AmfContext *ctx = avctx->priv_data;
370 int ret;
371 AMFVariantStruct var = {0};
372 int64_t timestamp = AV_NOPTS_VALUE;
373 int64_t size = buffer->pVtbl->GetSize(buffer);
374
375 //if ((ret = ff_alloc_packet2(avctx, pkt, size, 0)) < 0) {
376 if (ret = ff_alloc_packet(pkt, size)) {
377 return ret;
378 }
379 memcpy(pkt->data, buffer->pVtbl->GetNative(buffer), size);
380
381 switch (avctx->codec->id) {
382 case AV_CODEC_ID_H264:
383 buffer->pVtbl->GetProperty(buffer, AMF_VIDEO_ENCODER_OUTPUT_DATA_TYPE, &var);
384 if(var.int64Value == AMF_VIDEO_ENCODER_OUTPUT_DATA_TYPE_IDR) {
385 pkt->flags = AV_PKT_FLAG_KEY;
386 }
387 break;
388 case AV_CODEC_ID_HEVC:
389 buffer->pVtbl->GetProperty(buffer, AMF_VIDEO_ENCODER_HEVC_OUTPUT_DATA_TYPE, &var);
390 if (var.int64Value == AMF_VIDEO_ENCODER_HEVC_OUTPUT_DATA_TYPE_IDR) {
391 pkt->flags = AV_PKT_FLAG_KEY;
392 }
393 break;
394 default:
395 break;
396 }
397
398 buffer->pVtbl->GetProperty(buffer, PTS_PROP, &var);
399
400 pkt->pts = var.int64Value; // original pts
401
402
403 AMF_RETURN_IF_FALSE(ctx, av_fifo_size(ctx->timestamp_list) > 0, AVERROR_UNKNOWN, "timestamp_list is empty\n");
404
405 av_fifo_generic_read(ctx->timestamp_list, &timestamp, sizeof(timestamp), NULL);
406
407 // calc dts shift if max_b_frames > 0
408 if (avctx->max_b_frames > 0 && ctx->dts_delay == 0) {
409 AMF_RETURN_IF_FALSE(ctx, av_fifo_size(ctx->timestamp_list) > 0, AVERROR_UNKNOWN,
410 "timestamp_list is empty while max_b_frames = %d\n", avctx->max_b_frames);
411
412 if (timestamp < 0 || ctx->timestamp_last < AV_NOPTS_VALUE) {
413 return AVERROR(ERANGE);
414 }
415 ctx->dts_delay = ctx->timestamp_last - timestamp;
416 }
417 pkt->dts = timestamp - ctx->dts_delay;
418 return 0;
419 }
420
421 // amfenc API implementation
422 int ff_amf_encode_init(AVCodecContext *avctx)
423 {
424 AmfContext *ctx = avctx->priv_data;
425 int ret;
426
427 ctx->factory = NULL;
428 ctx->debug = NULL;
429 ctx->trace = NULL;
430 ctx->context = NULL;
431 ctx->encoder = NULL;
432 ctx->library = NULL;
433 ctx->version = 0;
434 ctx->eof = 0;
435 ctx->format = 0;
436 ctx->tracer.vtbl = NULL;
437 ctx->tracer.avctx = NULL;
438
439 if ((ret = amf_load_library(avctx)) == 0) {
440 if ((ret = amf_init_context(avctx)) == 0) {
441 if ((ret = amf_init_encoder(avctx)) == 0) {
442 return 0;
443 }
444 }
445 }
446 ff_amf_encode_close(avctx);
447 return ret;
448 }
449
450
451 int ff_amf_send_frame(AVCodecContext *avctx, const AVFrame *frame)
452 {
453 AMF_RESULT res = AMF_OK;
454 AmfContext *ctx = avctx->priv_data;
455 AMFSurface *surface = NULL;
456 int ret;
457
458 if (!ctx->encoder)
459 return AVERROR(EINVAL);
460
461 if (!frame) { // submit drain
462 if (!ctx->eof) { // submit drain one time only
463 if (ctx->delayed_surface != NULL) {
464 ctx->delayed_drain = 1; // input queue is full: resubmit Drain() in ff_amf_receive_packet
465 } else if(!ctx->delayed_drain) {
466 res = ctx->encoder->pVtbl->Drain(ctx->encoder);
467 if (res == AMF_INPUT_FULL) {
468 ctx->delayed_drain = 1; // input queue is full: resubmit Drain() in ff_amf_receive_packet
469 } else {
470 if (res == AMF_OK) {
471 ctx->eof = 1; // drain started
472 }
473 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "Drain() failed with error %d\n", res);
474 }
475 }
476 } else{
477 return AVERROR_EOF;
478 }
479 } else { // submit frame
480 if (ctx->delayed_surface != NULL) {
481 return AVERROR(EAGAIN); // should not happen when called from ffmpeg, other clients may resubmit
482 }
483 // prepare surface from frame
484 if (frame->hw_frames_ctx && ( // HW frame detected
485 // check if the same hw_frames_ctx as used in initialization
486 (ctx->hw_frames_ctx && frame->hw_frames_ctx->data == ctx->hw_frames_ctx->data) ||
487 // check if the same hw_device_ctx as used in initialization
488 (ctx->hw_device_ctx && ((AVHWFramesContext*)frame->hw_frames_ctx->data)->device_ctx ==
489 (AVHWDeviceContext*)ctx->hw_device_ctx->data)
490 )) {
491 #if CONFIG_D3D11VA
492 static const GUID AMFTextureArrayIndexGUID = { 0x28115527, 0xe7c3, 0x4b66, { 0x99, 0xd3, 0x4f, 0x2a, 0xe6, 0xb4, 0x7f, 0xaf } };
493 ID3D11Texture2D *texture = (ID3D11Texture2D*)frame->data[0]; // actual texture
494 int index = (int)(size_t)frame->data[1]; // index is a slice in texture array is - set to tell AMF which slice to use
495 texture->lpVtbl->SetPrivateData(texture, &AMFTextureArrayIndexGUID, sizeof(index), &index);
496
497 res = ctx->context->pVtbl->CreateSurfaceFromDX11Native(ctx->context, texture, &surface, NULL); // wrap to AMF surface
498 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR(ENOMEM), "CreateSurfaceFromDX11Native() failed with error %d\n", res);
499
500 // input HW surfaces can be vertically aligned by 16; tell AMF the real size
501 surface->pVtbl->SetCrop(surface, 0, 0, frame->width, frame->height);
502 #endif
503 } else {
504 res = ctx->context->pVtbl->AllocSurface(ctx->context, AMF_MEMORY_HOST, ctx->format, avctx->width, avctx->height, &surface);
505 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR(ENOMEM), "AllocSurface() failed with error %d\n", res);
506 amf_copy_surface(avctx, frame, surface);
507 }
508 surface->pVtbl->SetPts(surface, frame->pts);
509 AMF_ASSIGN_PROPERTY_INT64(res, surface, PTS_PROP, frame->pts);
510
511 switch (avctx->codec->id) {
512 case AV_CODEC_ID_H264:
513 AMF_ASSIGN_PROPERTY_INT64(res, surface, AMF_VIDEO_ENCODER_INSERT_AUD, !!ctx->aud);
514 break;
515 case AV_CODEC_ID_HEVC:
516 AMF_ASSIGN_PROPERTY_INT64(res, surface, AMF_VIDEO_ENCODER_HEVC_INSERT_AUD, !!ctx->aud);
517 break;
518 default:
519 break;
520 }
521
522
523 // submit surface
524 res = ctx->encoder->pVtbl->SubmitInput(ctx->encoder, (AMFData*)surface);
525 if (res == AMF_INPUT_FULL) { // handle full queue
526 //store surface for later submission
527 ctx->delayed_surface = surface;
528 if (surface->pVtbl->GetMemoryType(surface) == AMF_MEMORY_DX11) {
529 av_frame_ref(ctx->delayed_frame, frame);
530 }
531 } else {
532 surface->pVtbl->Release(surface);
533 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "SubmitInput() failed with error %d\n", res);
534
535 if ((ret = timestamp_queue_enqueue(avctx, frame->pts)) < 0) {
536 return ret;
537 }
538
539 }
540 }
541 return 0;
542 }
543 int ff_amf_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
544 {
545 int ret;
546 AMF_RESULT res;
547 AMF_RESULT res_query;
548 AmfContext *ctx = avctx->priv_data;
549 AMFData *data = NULL;
550 int block_and_wait;
551
552 if (!ctx->encoder)
553 return AVERROR(EINVAL);
554
555 do {
556 block_and_wait = 0;
557 // poll data
558 res_query = ctx->encoder->pVtbl->QueryOutput(ctx->encoder, &data);
559 if (data) {
560 // copy data to packet
561 AMFBuffer* buffer;
562 AMFGuid guid = IID_AMFBuffer();
563 data->pVtbl->QueryInterface(data, &guid, (void**)&buffer); // query for buffer interface
564 ret = amf_copy_buffer(avctx, avpkt, buffer);
565
566 buffer->pVtbl->Release(buffer);
567 data->pVtbl->Release(data);
568
569 AMF_RETURN_IF_FALSE(ctx, ret >= 0, ret, "amf_copy_buffer() failed with error %d\n", ret);
570
571 if (ctx->delayed_surface != NULL) { // try to resubmit frame
572 res = ctx->encoder->pVtbl->SubmitInput(ctx->encoder, (AMFData*)ctx->delayed_surface);
573 if (res != AMF_INPUT_FULL) {
574 int64_t pts = ctx->delayed_surface->pVtbl->GetPts(ctx->delayed_surface);
575 ctx->delayed_surface->pVtbl->Release(ctx->delayed_surface);
576 ctx->delayed_surface = NULL;
577 av_frame_unref(ctx->delayed_frame);
578 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "Repeated SubmitInput() failed with error %d\n", res);
579
580 if ((ret = timestamp_queue_enqueue(avctx, pts)) < 0) {
581 return ret;
582 }
583 } else {
584 av_log(avctx, AV_LOG_WARNING, "Data acquired but delayed frame submission got AMF_INPUT_FULL- should not happen\n");
585 }
586 } else if (ctx->delayed_drain) { // try to resubmit drain
587 res = ctx->encoder->pVtbl->Drain(ctx->encoder);
588 if (res != AMF_INPUT_FULL) {
589 ctx->delayed_drain = 0;
590 ctx->eof = 1; // drain started
591 AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "Repeated Drain() failed with error %d\n", res);
592 } else {
593 av_log(avctx, AV_LOG_WARNING, "Data acquired but delayed drain submission got AMF_INPUT_FULL- should not happen\n");
594 }
595 }
596 } else if (ctx->delayed_surface != NULL || ctx->delayed_drain || (ctx->eof && res_query != AMF_EOF)) {
597 block_and_wait = 1;
598 av_usleep(1000); // wait and poll again
599 }
600 } while (block_and_wait);
601
602 if (res_query == AMF_EOF) {
603 ret = AVERROR_EOF;
604 } else if (data == NULL) {
605 ret = AVERROR(EAGAIN);
606 } else {
607 ret = 0;
608 }
609 return ret;
610 }