w32pthreads: fix mingw build on x86 with -msse2 or higher
[libav.git] / libavcodec / qsvenc.c
CommitLineData
72b7441a
AK
1/*
2 * Intel MediaSDK QSV encoder utility functions
3 *
4 * copyright (c) 2013 Yukinori Yamazoe
5 * copyright (c) 2015 Anton Khirnov
6 *
7 * This file is part of Libav.
8 *
9 * Libav is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * Libav is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with Libav; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 */
23
24#include <string.h>
25#include <sys/types.h>
26#include <mfx/mfxvideo.h>
27
28#include "libavutil/common.h"
29#include "libavutil/mem.h"
30#include "libavutil/log.h"
31#include "libavutil/time.h"
32#include "libavutil/imgutils.h"
33
34#include "avcodec.h"
35#include "internal.h"
36#include "qsv.h"
37#include "qsv_internal.h"
38#include "qsvenc.h"
39
40static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
41{
42 const char *ratecontrol_desc;
43
44 float quant;
45 int ret;
46
47 ret = ff_qsv_codec_id_to_mfx(avctx->codec_id);
48 if (ret < 0)
49 return AVERROR_BUG;
50 q->param.mfx.CodecId = ret;
51
66acb76b
AK
52 q->width_align = avctx->codec_id == AV_CODEC_ID_HEVC ? 32 : 16;
53
72b7441a
AK
54 if (avctx->level > 0)
55 q->param.mfx.CodecLevel = avctx->level;
56
57 q->param.mfx.CodecProfile = q->profile;
58 q->param.mfx.TargetUsage = q->preset;
59 q->param.mfx.GopPicSize = FFMAX(0, avctx->gop_size);
60 q->param.mfx.GopRefDist = FFMAX(-1, avctx->max_b_frames) + 1;
7c6eb0a1 61 q->param.mfx.GopOptFlag = avctx->flags & AV_CODEC_FLAG_CLOSED_GOP ?
72b7441a
AK
62 MFX_GOP_CLOSED : 0;
63 q->param.mfx.IdrInterval = q->idr_interval;
64 q->param.mfx.NumSlice = avctx->slices;
65 q->param.mfx.NumRefFrame = FFMAX(0, avctx->refs);
66 q->param.mfx.EncodedOrder = 0;
67 q->param.mfx.BufferSizeInKB = 0;
68
69 q->param.mfx.FrameInfo.FourCC = MFX_FOURCC_NV12;
66acb76b 70 q->param.mfx.FrameInfo.Width = FFALIGN(avctx->width, q->width_align);
72b7441a
AK
71 q->param.mfx.FrameInfo.Height = FFALIGN(avctx->height, 32);
72 q->param.mfx.FrameInfo.CropX = 0;
73 q->param.mfx.FrameInfo.CropY = 0;
74 q->param.mfx.FrameInfo.CropW = avctx->width;
75 q->param.mfx.FrameInfo.CropH = avctx->height;
76 q->param.mfx.FrameInfo.AspectRatioW = avctx->sample_aspect_ratio.num;
77 q->param.mfx.FrameInfo.AspectRatioH = avctx->sample_aspect_ratio.den;
78 q->param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_PROGRESSIVE;
79 q->param.mfx.FrameInfo.ChromaFormat = MFX_CHROMAFORMAT_YUV420;
80 q->param.mfx.FrameInfo.BitDepthLuma = 8;
81 q->param.mfx.FrameInfo.BitDepthChroma = 8;
82
83 if (avctx->framerate.den > 0 && avctx->framerate.num > 0) {
84 q->param.mfx.FrameInfo.FrameRateExtN = avctx->framerate.num;
85 q->param.mfx.FrameInfo.FrameRateExtD = avctx->framerate.den;
86 } else {
87 q->param.mfx.FrameInfo.FrameRateExtN = avctx->time_base.den;
88 q->param.mfx.FrameInfo.FrameRateExtD = avctx->time_base.num;
89 }
90
7c6eb0a1 91 if (avctx->flags & AV_CODEC_FLAG_QSCALE) {
72b7441a
AK
92 q->param.mfx.RateControlMethod = MFX_RATECONTROL_CQP;
93 ratecontrol_desc = "constant quantization parameter (CQP)";
94 } else if (avctx->rc_max_rate == avctx->bit_rate) {
95 q->param.mfx.RateControlMethod = MFX_RATECONTROL_CBR;
96 ratecontrol_desc = "constant bitrate (CBR)";
97 } else if (!avctx->rc_max_rate) {
98 q->param.mfx.RateControlMethod = MFX_RATECONTROL_AVBR;
99 ratecontrol_desc = "average variable bitrate (AVBR)";
100 } else {
101 q->param.mfx.RateControlMethod = MFX_RATECONTROL_VBR;
102 ratecontrol_desc = "variable bitrate (VBR)";
103 }
104
105 av_log(avctx, AV_LOG_VERBOSE, "Using the %s ratecontrol method\n", ratecontrol_desc);
106
107 switch (q->param.mfx.RateControlMethod) {
108 case MFX_RATECONTROL_CBR:
109 case MFX_RATECONTROL_VBR:
110 q->param.mfx.InitialDelayInKB = avctx->rc_initial_buffer_occupancy / 1000;
111 q->param.mfx.TargetKbps = avctx->bit_rate / 1000;
112 q->param.mfx.MaxKbps = avctx->bit_rate / 1000;
113 break;
114 case MFX_RATECONTROL_CQP:
115 quant = avctx->global_quality / FF_QP2LAMBDA;
116
117 q->param.mfx.QPI = av_clip(quant * fabs(avctx->i_quant_factor) + avctx->i_quant_offset, 0, 51);
118 q->param.mfx.QPP = av_clip(quant, 0, 51);
119 q->param.mfx.QPB = av_clip(quant * fabs(avctx->b_quant_factor) + avctx->b_quant_offset, 0, 51);
120
121 break;
122 case MFX_RATECONTROL_AVBR:
123 q->param.mfx.TargetKbps = avctx->bit_rate / 1000;
124 q->param.mfx.Convergence = q->avbr_convergence;
125 q->param.mfx.Accuracy = q->avbr_accuracy;
126 break;
127 }
128
66acb76b
AK
129 // the HEVC encoder plugin currently fails if coding options
130 // are provided
131 if (avctx->codec_id != AV_CODEC_ID_HEVC) {
132 q->extco.Header.BufferId = MFX_EXTBUFF_CODING_OPTION;
133 q->extco.Header.BufferSz = sizeof(q->extco);
134 q->extco.CAVLC = avctx->coder_type == FF_CODER_TYPE_VLC ?
135 MFX_CODINGOPTION_ON : MFX_CODINGOPTION_UNKNOWN;
72b7441a 136
66acb76b 137 q->extparam[0] = (mfxExtBuffer *)&q->extco;
72b7441a 138
66acb76b
AK
139 q->param.ExtParam = q->extparam;
140 q->param.NumExtParam = FF_ARRAY_ELEMS(q->extparam);
141 }
72b7441a
AK
142
143 return 0;
144}
145
146static int qsv_retrieve_enc_params(AVCodecContext *avctx, QSVEncContext *q)
147{
148 uint8_t sps_buf[128];
149 uint8_t pps_buf[128];
150
151 mfxExtCodingOptionSPSPPS extradata = {
152 .Header.BufferId = MFX_EXTBUFF_CODING_OPTION_SPSPPS,
153 .Header.BufferSz = sizeof(extradata),
154 .SPSBuffer = sps_buf, .SPSBufSize = sizeof(sps_buf),
155 .PPSBuffer = pps_buf, .PPSBufSize = sizeof(pps_buf)
156 };
157
158 mfxExtBuffer *ext_buffers[] = {
159 (mfxExtBuffer*)&extradata,
160 };
161
3a85397e 162 int need_pps = avctx->codec_id != AV_CODEC_ID_MPEG2VIDEO;
72b7441a
AK
163 int ret;
164
165 q->param.ExtParam = ext_buffers;
166 q->param.NumExtParam = FF_ARRAY_ELEMS(ext_buffers);
167
168 ret = MFXVideoENCODE_GetVideoParam(q->session, &q->param);
169 if (ret < 0)
170 return ff_qsv_error(ret);
171
172 q->packet_size = q->param.mfx.BufferSizeInKB * 1000;
173
3a85397e 174 if (!extradata.SPSBufSize || (need_pps && !extradata.PPSBufSize)) {
72b7441a
AK
175 av_log(avctx, AV_LOG_ERROR, "No extradata returned from libmfx.\n");
176 return AVERROR_UNKNOWN;
177 }
178
3a85397e 179 avctx->extradata = av_malloc(extradata.SPSBufSize + need_pps * extradata.PPSBufSize +
059a9348 180 AV_INPUT_BUFFER_PADDING_SIZE);
72b7441a
AK
181 if (!avctx->extradata)
182 return AVERROR(ENOMEM);
183
184 memcpy(avctx->extradata, sps_buf, extradata.SPSBufSize);
3a85397e
AK
185 if (need_pps)
186 memcpy(avctx->extradata + extradata.SPSBufSize, pps_buf, extradata.PPSBufSize);
187 avctx->extradata_size = extradata.SPSBufSize + need_pps * extradata.PPSBufSize;
059a9348 188 memset(avctx->extradata + avctx->extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
72b7441a
AK
189
190 return 0;
191}
192
193int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q)
194{
195 int ret;
196
197 q->param.IOPattern = MFX_IOPATTERN_IN_SYSTEM_MEMORY;
198 q->param.AsyncDepth = q->async_depth;
199
69b92f1b
AK
200 q->async_fifo = av_fifo_alloc((1 + q->async_depth) *
201 (sizeof(AVPacket) + sizeof(mfxSyncPoint) + sizeof(mfxBitstream*)));
202 if (!q->async_fifo)
203 return AVERROR(ENOMEM);
204
72b7441a
AK
205 if (avctx->hwaccel_context) {
206 AVQSVContext *qsv = avctx->hwaccel_context;
207
208 q->session = qsv->session;
209 q->param.IOPattern = qsv->iopattern;
210 }
211
212 if (!q->session) {
66acb76b
AK
213 ret = ff_qsv_init_internal_session(avctx, &q->internal_session,
214 q->load_plugins);
72b7441a
AK
215 if (ret < 0)
216 return ret;
217
218 q->session = q->internal_session;
219 }
220
221 ret = init_video_param(avctx, q);
222 if (ret < 0)
223 return ret;
224
225 ret = MFXVideoENCODE_QueryIOSurf(q->session, &q->param, &q->req);
226 if (ret < 0) {
227 av_log(avctx, AV_LOG_ERROR, "Error querying the encoding parameters\n");
228 return ff_qsv_error(ret);
229 }
230
231 ret = MFXVideoENCODE_Init(q->session, &q->param);
232 if (ret < 0) {
233 av_log(avctx, AV_LOG_ERROR, "Error initializing the encoder\n");
234 return ff_qsv_error(ret);
235 }
236
237 ret = qsv_retrieve_enc_params(avctx, q);
238 if (ret < 0) {
239 av_log(avctx, AV_LOG_ERROR, "Error retrieving encoding parameters.\n");
240 return ret;
241 }
242
72b7441a
AK
243 q->avctx = avctx;
244
245 return 0;
246}
247
248static void clear_unused_frames(QSVEncContext *q)
249{
250 QSVFrame *cur = q->work_frames;
251 while (cur) {
252 if (cur->surface && !cur->surface->Data.Locked) {
253 cur->surface = NULL;
254 av_frame_unref(cur->frame);
255 }
256 cur = cur->next;
257 }
258}
259
260static int get_free_frame(QSVEncContext *q, QSVFrame **f)
261{
262 QSVFrame *frame, **last;
263
264 clear_unused_frames(q);
265
266 frame = q->work_frames;
267 last = &q->work_frames;
268 while (frame) {
269 if (!frame->surface) {
270 *f = frame;
271 return 0;
272 }
273
274 last = &frame->next;
275 frame = frame->next;
276 }
277
278 frame = av_mallocz(sizeof(*frame));
279 if (!frame)
280 return AVERROR(ENOMEM);
281 frame->frame = av_frame_alloc();
282 if (!frame->frame) {
283 av_freep(&frame);
284 return AVERROR(ENOMEM);
285 }
286 *last = frame;
287
288 *f = frame;
289
290 return 0;
291}
292
293static int submit_frame(QSVEncContext *q, const AVFrame *frame,
294 mfxFrameSurface1 **surface)
295{
296 QSVFrame *qf;
297 int ret;
298
299 ret = get_free_frame(q, &qf);
300 if (ret < 0)
301 return ret;
302
303 if (frame->format == AV_PIX_FMT_QSV) {
304 ret = av_frame_ref(qf->frame, frame);
305 if (ret < 0)
306 return ret;
307
308 qf->surface = (mfxFrameSurface1*)qf->frame->data[3];
309 *surface = qf->surface;
310 return 0;
311 }
312
313 /* make a copy if the input is not padded as libmfx requires */
66acb76b 314 if (frame->height & 31 || frame->linesize[0] & (q->width_align - 1)) {
72b7441a 315 qf->frame->height = FFALIGN(frame->height, 32);
66acb76b 316 qf->frame->width = FFALIGN(frame->width, q->width_align);
72b7441a
AK
317
318 ret = ff_get_buffer(q->avctx, qf->frame, AV_GET_BUFFER_FLAG_REF);
319 if (ret < 0)
320 return ret;
321
322 qf->frame->height = frame->height;
323 qf->frame->width = frame->width;
324 ret = av_frame_copy(qf->frame, frame);
325 if (ret < 0) {
326 av_frame_unref(qf->frame);
327 return ret;
328 }
329 } else {
330 ret = av_frame_ref(qf->frame, frame);
331 if (ret < 0)
332 return ret;
333 }
334
335 qf->surface_internal.Info = q->param.mfx.FrameInfo;
336
337 qf->surface_internal.Info.PicStruct =
338 !frame->interlaced_frame ? MFX_PICSTRUCT_PROGRESSIVE :
339 frame->top_field_first ? MFX_PICSTRUCT_FIELD_TFF :
340 MFX_PICSTRUCT_FIELD_BFF;
341 if (frame->repeat_pict == 1)
342 qf->surface_internal.Info.PicStruct |= MFX_PICSTRUCT_FIELD_REPEATED;
343 else if (frame->repeat_pict == 2)
344 qf->surface_internal.Info.PicStruct |= MFX_PICSTRUCT_FRAME_DOUBLING;
345 else if (frame->repeat_pict == 4)
346 qf->surface_internal.Info.PicStruct |= MFX_PICSTRUCT_FRAME_TRIPLING;
347
348 qf->surface_internal.Data.PitchLow = qf->frame->linesize[0];
349 qf->surface_internal.Data.Y = qf->frame->data[0];
350 qf->surface_internal.Data.UV = qf->frame->data[1];
351 qf->surface_internal.Data.TimeStamp = av_rescale_q(frame->pts, q->avctx->time_base, (AVRational){1, 90000});
352
353 qf->surface = &qf->surface_internal;
354
355 *surface = qf->surface;
356
357 return 0;
358}
359
360static void print_interlace_msg(AVCodecContext *avctx, QSVEncContext *q)
361{
362 if (q->param.mfx.CodecId == MFX_CODEC_AVC) {
363 if (q->param.mfx.CodecProfile == MFX_PROFILE_AVC_BASELINE ||
364 q->param.mfx.CodecLevel < MFX_LEVEL_AVC_21 ||
365 q->param.mfx.CodecLevel > MFX_LEVEL_AVC_41)
366 av_log(avctx, AV_LOG_WARNING,
367 "Interlaced coding is supported"
368 " at Main/High Profile Level 2.1-4.1\n");
369 }
370}
371
372int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
373 AVPacket *pkt, const AVFrame *frame, int *got_packet)
374{
69b92f1b
AK
375 AVPacket new_pkt = { 0 };
376 mfxBitstream *bs;
72b7441a
AK
377
378 mfxFrameSurface1 *surf = NULL;
379 mfxSyncPoint sync = NULL;
380 int ret;
381
382 if (frame) {
383 ret = submit_frame(q, frame, &surf);
384 if (ret < 0) {
385 av_log(avctx, AV_LOG_ERROR, "Error submitting the frame for encoding.\n");
386 return ret;
387 }
388 }
389
69b92f1b 390 ret = av_new_packet(&new_pkt, q->packet_size);
72b7441a
AK
391 if (ret < 0) {
392 av_log(avctx, AV_LOG_ERROR, "Error allocating the output packet\n");
393 return ret;
394 }
69b92f1b
AK
395
396 bs = av_mallocz(sizeof(*bs));
397 if (!bs) {
398 av_packet_unref(&new_pkt);
399 return AVERROR(ENOMEM);
400 }
401 bs->Data = new_pkt.data;
402 bs->MaxLength = new_pkt.size;
72b7441a
AK
403
404 do {
69b92f1b 405 ret = MFXVideoENCODE_EncodeFrameAsync(q->session, NULL, surf, bs, &sync);
72b7441a
AK
406 if (ret == MFX_WRN_DEVICE_BUSY)
407 av_usleep(1);
408 } while (ret > 0);
409
69b92f1b
AK
410 if (ret < 0) {
411 av_packet_unref(&new_pkt);
412 av_freep(&bs);
72b7441a 413 return (ret == MFX_ERR_MORE_DATA) ? 0 : ff_qsv_error(ret);
69b92f1b 414 }
72b7441a
AK
415
416 if (ret == MFX_WRN_INCOMPATIBLE_VIDEO_PARAM && frame->interlaced_frame)
417 print_interlace_msg(avctx, q);
418
419 if (sync) {
69b92f1b
AK
420 av_fifo_generic_write(q->async_fifo, &new_pkt, sizeof(new_pkt), NULL);
421 av_fifo_generic_write(q->async_fifo, &sync, sizeof(sync), NULL);
422 av_fifo_generic_write(q->async_fifo, &bs, sizeof(bs), NULL);
423 } else {
424 av_packet_unref(&new_pkt);
425 av_freep(&bs);
426 }
427
428 if (!av_fifo_space(q->async_fifo) ||
429 (!frame && av_fifo_size(q->async_fifo))) {
430 av_fifo_generic_read(q->async_fifo, &new_pkt, sizeof(new_pkt), NULL);
431 av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
432 av_fifo_generic_read(q->async_fifo, &bs, sizeof(bs), NULL);
433
72b7441a
AK
434 MFXVideoCORE_SyncOperation(q->session, sync, 60000);
435
69b92f1b
AK
436 new_pkt.dts = av_rescale_q(bs->DecodeTimeStamp, (AVRational){1, 90000}, avctx->time_base);
437 new_pkt.pts = av_rescale_q(bs->TimeStamp, (AVRational){1, 90000}, avctx->time_base);
438 new_pkt.size = bs->DataLength;
439
440 if (bs->FrameType & MFX_FRAMETYPE_IDR ||
441 bs->FrameType & MFX_FRAMETYPE_xIDR)
442 new_pkt.flags |= AV_PKT_FLAG_KEY;
443
40cf1bba
VG
444#if FF_API_CODED_FRAME
445FF_DISABLE_DEPRECATION_WARNINGS
69b92f1b 446 if (bs->FrameType & MFX_FRAMETYPE_I || bs->FrameType & MFX_FRAMETYPE_xI)
72b7441a 447 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
69b92f1b 448 else if (bs->FrameType & MFX_FRAMETYPE_P || bs->FrameType & MFX_FRAMETYPE_xP)
72b7441a 449 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_P;
69b92f1b 450 else if (bs->FrameType & MFX_FRAMETYPE_B || bs->FrameType & MFX_FRAMETYPE_xB)
72b7441a 451 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_B;
40cf1bba
VG
452FF_ENABLE_DEPRECATION_WARNINGS
453#endif
72b7441a 454
69b92f1b
AK
455 av_freep(&bs);
456
457 if (pkt->data) {
458 if (pkt->size < new_pkt.size) {
459 av_log(avctx, AV_LOG_ERROR, "Submitted buffer not large enough: %d < %d\n",
460 pkt->size, new_pkt.size);
461 av_packet_unref(&new_pkt);
462 return AVERROR(EINVAL);
463 }
72b7441a 464
69b92f1b
AK
465 memcpy(pkt->data, new_pkt.data, new_pkt.size);
466 pkt->size = new_pkt.size;
467
468 ret = av_packet_copy_props(pkt, &new_pkt);
469 av_packet_unref(&new_pkt);
470 if (ret < 0)
471 return ret;
472 } else
473 *pkt = new_pkt;
72b7441a
AK
474
475 *got_packet = 1;
476 }
477
478 return 0;
479}
480
481int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q)
482{
483 QSVFrame *cur;
484
83847cc8
AK
485 if (q->session)
486 MFXVideoENCODE_Close(q->session);
72b7441a
AK
487 if (q->internal_session)
488 MFXClose(q->internal_session);
489 q->session = NULL;
490 q->internal_session = NULL;
491
492 cur = q->work_frames;
493 while (cur) {
494 q->work_frames = cur->next;
495 av_frame_free(&cur->frame);
496 av_freep(&cur);
497 cur = q->work_frames;
498 }
499
69b92f1b
AK
500 while (q->async_fifo && av_fifo_size(q->async_fifo)) {
501 AVPacket pkt;
502 mfxSyncPoint sync;
503 mfxBitstream *bs;
504
505 av_fifo_generic_read(q->async_fifo, &pkt, sizeof(pkt), NULL);
506 av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
507 av_fifo_generic_read(q->async_fifo, &bs, sizeof(bs), NULL);
508
509 av_freep(&bs);
510 av_packet_unref(&pkt);
511 }
512 av_fifo_free(q->async_fifo);
513 q->async_fifo = NULL;
514
72b7441a
AK
515 return 0;
516}