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cuviddec.c
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1 /*
2  * Nvidia CUVID decoder
3  * Copyright (c) 2016 Timo Rothenpieler <timo@rothenpieler.org>
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
23 
24 #include "libavutil/buffer.h"
25 #include "libavutil/mathematics.h"
26 #include "libavutil/hwcontext.h"
28 #include "libavutil/cuda_check.h"
29 #include "libavutil/fifo.h"
30 #include "libavutil/log.h"
31 #include "libavutil/opt.h"
32 #include "libavutil/pixdesc.h"
33 
34 #include "avcodec.h"
35 #include "decode.h"
36 #include "hwaccel.h"
37 #include "internal.h"
38 
39 typedef struct CuvidContext
40 {
42 
43  CUvideodecoder cudecoder;
44  CUvideoparser cuparser;
45 
46  char *cu_gpu;
49  char *crop_expr;
50  char *resize_expr;
51 
52  struct {
53  int left;
54  int top;
55  int right;
56  int bottom;
57  } crop;
58 
59  struct {
60  int width;
61  int height;
62  } resize;
63 
66 
68 
70 
73  int64_t prev_pts;
74 
77 
78  int *key_frame;
79 
80  cudaVideoCodec codec_type;
81  cudaVideoChromaFormat chroma_format;
82 
83  CUVIDDECODECAPS caps8, caps10, caps12;
84 
85  CUVIDPARSERPARAMS cuparseinfo;
86  CUVIDEOFORMATEX cuparse_ext;
87 
88  CudaFunctions *cudl;
89  CuvidFunctions *cvdl;
90 } CuvidContext;
91 
92 typedef struct CuvidParsedFrame
93 {
94  CUVIDPARSERDISPINFO dispinfo;
98 
99 #define CHECK_CU(x) FF_CUDA_CHECK_DL(avctx, ctx->cudl, x)
100 
101 static int CUDAAPI cuvid_handle_video_sequence(void *opaque, CUVIDEOFORMAT* format)
102 {
103  AVCodecContext *avctx = opaque;
104  CuvidContext *ctx = avctx->priv_data;
105  AVHWFramesContext *hwframe_ctx = (AVHWFramesContext*)ctx->hwframe->data;
106  CUVIDDECODECAPS *caps = NULL;
107  CUVIDDECODECREATEINFO cuinfo;
108  int surface_fmt;
109 
110  int old_width = avctx->width;
111  int old_height = avctx->height;
112 
114  AV_PIX_FMT_NONE, // Will be updated below
115  AV_PIX_FMT_NONE };
116 
117  av_log(avctx, AV_LOG_TRACE, "pfnSequenceCallback, progressive_sequence=%d\n", format->progressive_sequence);
118 
119  memset(&cuinfo, 0, sizeof(cuinfo));
120 
121  ctx->internal_error = 0;
122 
123  avctx->coded_width = cuinfo.ulWidth = format->coded_width;
124  avctx->coded_height = cuinfo.ulHeight = format->coded_height;
125 
126  // apply cropping
127  cuinfo.display_area.left = format->display_area.left + ctx->crop.left;
128  cuinfo.display_area.top = format->display_area.top + ctx->crop.top;
129  cuinfo.display_area.right = format->display_area.right - ctx->crop.right;
130  cuinfo.display_area.bottom = format->display_area.bottom - ctx->crop.bottom;
131 
132  // width and height need to be set before calling ff_get_format
133  if (ctx->resize_expr) {
134  avctx->width = ctx->resize.width;
135  avctx->height = ctx->resize.height;
136  } else {
137  avctx->width = cuinfo.display_area.right - cuinfo.display_area.left;
138  avctx->height = cuinfo.display_area.bottom - cuinfo.display_area.top;
139  }
140 
141  // target width/height need to be multiples of two
142  cuinfo.ulTargetWidth = avctx->width = (avctx->width + 1) & ~1;
143  cuinfo.ulTargetHeight = avctx->height = (avctx->height + 1) & ~1;
144 
145  // aspect ratio conversion, 1:1, depends on scaled resolution
146  cuinfo.target_rect.left = 0;
147  cuinfo.target_rect.top = 0;
148  cuinfo.target_rect.right = cuinfo.ulTargetWidth;
149  cuinfo.target_rect.bottom = cuinfo.ulTargetHeight;
150 
151  switch (format->bit_depth_luma_minus8) {
152  case 0: // 8-bit
154  caps = &ctx->caps8;
155  break;
156  case 2: // 10-bit
158  caps = &ctx->caps10;
159  break;
160  case 4: // 12-bit
162  caps = &ctx->caps12;
163  break;
164  default:
165  break;
166  }
167 
168  if (!caps || !caps->bIsSupported) {
169  av_log(avctx, AV_LOG_ERROR, "unsupported bit depth: %d\n",
170  format->bit_depth_luma_minus8 + 8);
171  ctx->internal_error = AVERROR(EINVAL);
172  return 0;
173  }
174 
175  surface_fmt = ff_get_format(avctx, pix_fmts);
176  if (surface_fmt < 0) {
177  av_log(avctx, AV_LOG_ERROR, "ff_get_format failed: %d\n", surface_fmt);
178  ctx->internal_error = AVERROR(EINVAL);
179  return 0;
180  }
181 
182  av_log(avctx, AV_LOG_VERBOSE, "Formats: Original: %s | HW: %s | SW: %s\n",
183  av_get_pix_fmt_name(avctx->pix_fmt),
184  av_get_pix_fmt_name(surface_fmt),
185  av_get_pix_fmt_name(avctx->sw_pix_fmt));
186 
187  avctx->pix_fmt = surface_fmt;
188 
189  // Update our hwframe ctx, as the get_format callback might have refreshed it!
190  if (avctx->hw_frames_ctx) {
191  av_buffer_unref(&ctx->hwframe);
192 
193  ctx->hwframe = av_buffer_ref(avctx->hw_frames_ctx);
194  if (!ctx->hwframe) {
195  ctx->internal_error = AVERROR(ENOMEM);
196  return 0;
197  }
198 
199  hwframe_ctx = (AVHWFramesContext*)ctx->hwframe->data;
200  }
201 
202  ff_set_sar(avctx, av_div_q(
203  (AVRational){ format->display_aspect_ratio.x, format->display_aspect_ratio.y },
204  (AVRational){ avctx->width, avctx->height }));
205 
206  ctx->deint_mode_current = format->progressive_sequence
207  ? cudaVideoDeinterlaceMode_Weave
208  : ctx->deint_mode;
209 
210  if (!format->progressive_sequence && ctx->deint_mode_current == cudaVideoDeinterlaceMode_Weave)
212  else
213  avctx->flags &= ~AV_CODEC_FLAG_INTERLACED_DCT;
214 
215  if (format->video_signal_description.video_full_range_flag)
216  avctx->color_range = AVCOL_RANGE_JPEG;
217  else
218  avctx->color_range = AVCOL_RANGE_MPEG;
219 
220  avctx->color_primaries = format->video_signal_description.color_primaries;
221  avctx->color_trc = format->video_signal_description.transfer_characteristics;
222  avctx->colorspace = format->video_signal_description.matrix_coefficients;
223 
224  if (format->bitrate)
225  avctx->bit_rate = format->bitrate;
226 
227  if (format->frame_rate.numerator && format->frame_rate.denominator) {
228  avctx->framerate.num = format->frame_rate.numerator;
229  avctx->framerate.den = format->frame_rate.denominator;
230  }
231 
232  if (ctx->cudecoder
233  && avctx->coded_width == format->coded_width
234  && avctx->coded_height == format->coded_height
235  && avctx->width == old_width
236  && avctx->height == old_height
237  && ctx->chroma_format == format->chroma_format
238  && ctx->codec_type == format->codec)
239  return 1;
240 
241  if (ctx->cudecoder) {
242  av_log(avctx, AV_LOG_TRACE, "Re-initializing decoder\n");
243  ctx->internal_error = CHECK_CU(ctx->cvdl->cuvidDestroyDecoder(ctx->cudecoder));
244  if (ctx->internal_error < 0)
245  return 0;
246  ctx->cudecoder = NULL;
247  }
248 
249  if (hwframe_ctx->pool && (
250  hwframe_ctx->width < avctx->width ||
251  hwframe_ctx->height < avctx->height ||
252  hwframe_ctx->format != AV_PIX_FMT_CUDA ||
253  hwframe_ctx->sw_format != avctx->sw_pix_fmt)) {
254  av_log(avctx, AV_LOG_ERROR, "AVHWFramesContext is already initialized with incompatible parameters\n");
255  av_log(avctx, AV_LOG_DEBUG, "width: %d <-> %d\n", hwframe_ctx->width, avctx->width);
256  av_log(avctx, AV_LOG_DEBUG, "height: %d <-> %d\n", hwframe_ctx->height, avctx->height);
257  av_log(avctx, AV_LOG_DEBUG, "format: %s <-> cuda\n", av_get_pix_fmt_name(hwframe_ctx->format));
258  av_log(avctx, AV_LOG_DEBUG, "sw_format: %s <-> %s\n",
259  av_get_pix_fmt_name(hwframe_ctx->sw_format), av_get_pix_fmt_name(avctx->sw_pix_fmt));
260  ctx->internal_error = AVERROR(EINVAL);
261  return 0;
262  }
263 
264  if (format->chroma_format != cudaVideoChromaFormat_420) {
265  av_log(avctx, AV_LOG_ERROR, "Chroma formats other than 420 are not supported\n");
266  ctx->internal_error = AVERROR(EINVAL);
267  return 0;
268  }
269 
270  ctx->chroma_format = format->chroma_format;
271 
272  cuinfo.CodecType = ctx->codec_type = format->codec;
273  cuinfo.ChromaFormat = format->chroma_format;
274 
275  switch (avctx->sw_pix_fmt) {
276  case AV_PIX_FMT_NV12:
277  cuinfo.OutputFormat = cudaVideoSurfaceFormat_NV12;
278  break;
279  case AV_PIX_FMT_P010:
280  case AV_PIX_FMT_P016:
281  cuinfo.OutputFormat = cudaVideoSurfaceFormat_P016;
282  break;
283  default:
284  av_log(avctx, AV_LOG_ERROR, "Output formats other than NV12, P010 or P016 are not supported\n");
285  ctx->internal_error = AVERROR(EINVAL);
286  return 0;
287  }
288 
289  cuinfo.ulNumDecodeSurfaces = ctx->nb_surfaces;
290  cuinfo.ulNumOutputSurfaces = 1;
291  cuinfo.ulCreationFlags = cudaVideoCreate_PreferCUVID;
292  cuinfo.bitDepthMinus8 = format->bit_depth_luma_minus8;
293  cuinfo.DeinterlaceMode = ctx->deint_mode_current;
294 
295  if (ctx->deint_mode_current != cudaVideoDeinterlaceMode_Weave && !ctx->drop_second_field)
296  avctx->framerate = av_mul_q(avctx->framerate, (AVRational){2, 1});
297 
298  ctx->internal_error = CHECK_CU(ctx->cvdl->cuvidCreateDecoder(&ctx->cudecoder, &cuinfo));
299  if (ctx->internal_error < 0)
300  return 0;
301 
302  if (!hwframe_ctx->pool) {
303  hwframe_ctx->format = AV_PIX_FMT_CUDA;
304  hwframe_ctx->sw_format = avctx->sw_pix_fmt;
305  hwframe_ctx->width = avctx->width;
306  hwframe_ctx->height = avctx->height;
307 
308  if ((ctx->internal_error = av_hwframe_ctx_init(ctx->hwframe)) < 0) {
309  av_log(avctx, AV_LOG_ERROR, "av_hwframe_ctx_init failed\n");
310  return 0;
311  }
312  }
313 
314  return 1;
315 }
316 
317 static int CUDAAPI cuvid_handle_picture_decode(void *opaque, CUVIDPICPARAMS* picparams)
318 {
319  AVCodecContext *avctx = opaque;
320  CuvidContext *ctx = avctx->priv_data;
321 
322  av_log(avctx, AV_LOG_TRACE, "pfnDecodePicture\n");
323 
324  ctx->key_frame[picparams->CurrPicIdx] = picparams->intra_pic_flag;
325 
326  ctx->internal_error = CHECK_CU(ctx->cvdl->cuvidDecodePicture(ctx->cudecoder, picparams));
327  if (ctx->internal_error < 0)
328  return 0;
329 
330  return 1;
331 }
332 
333 static int CUDAAPI cuvid_handle_picture_display(void *opaque, CUVIDPARSERDISPINFO* dispinfo)
334 {
335  AVCodecContext *avctx = opaque;
336  CuvidContext *ctx = avctx->priv_data;
337  CuvidParsedFrame parsed_frame = { { 0 } };
338 
339  parsed_frame.dispinfo = *dispinfo;
340  ctx->internal_error = 0;
341 
342  if (ctx->deint_mode_current == cudaVideoDeinterlaceMode_Weave) {
343  av_fifo_generic_write(ctx->frame_queue, &parsed_frame, sizeof(CuvidParsedFrame), NULL);
344  } else {
345  parsed_frame.is_deinterlacing = 1;
346  av_fifo_generic_write(ctx->frame_queue, &parsed_frame, sizeof(CuvidParsedFrame), NULL);
347  if (!ctx->drop_second_field) {
348  parsed_frame.second_field = 1;
349  av_fifo_generic_write(ctx->frame_queue, &parsed_frame, sizeof(CuvidParsedFrame), NULL);
350  }
351  }
352 
353  return 1;
354 }
355 
357 {
358  CuvidContext *ctx = avctx->priv_data;
359 
360  int delay = ctx->cuparseinfo.ulMaxDisplayDelay;
361  if (ctx->deint_mode != cudaVideoDeinterlaceMode_Weave && !ctx->drop_second_field)
362  delay *= 2;
363 
364  return (av_fifo_size(ctx->frame_queue) / sizeof(CuvidParsedFrame)) + delay >= ctx->nb_surfaces;
365 }
366 
367 static int cuvid_decode_packet(AVCodecContext *avctx, const AVPacket *avpkt)
368 {
369  CuvidContext *ctx = avctx->priv_data;
370  AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)ctx->hwdevice->data;
371  AVCUDADeviceContext *device_hwctx = device_ctx->hwctx;
372  CUcontext dummy, cuda_ctx = device_hwctx->cuda_ctx;
373  CUVIDSOURCEDATAPACKET cupkt;
374  AVPacket filter_packet = { 0 };
375  AVPacket filtered_packet = { 0 };
376  int ret = 0, eret = 0, is_flush = ctx->decoder_flushing;
377 
378  av_log(avctx, AV_LOG_TRACE, "cuvid_decode_packet\n");
379 
380  if (is_flush && avpkt && avpkt->size)
381  return AVERROR_EOF;
382 
383  if (cuvid_is_buffer_full(avctx) && avpkt && avpkt->size)
384  return AVERROR(EAGAIN);
385 
386  if (ctx->bsf && avpkt && avpkt->size) {
387  if ((ret = av_packet_ref(&filter_packet, avpkt)) < 0) {
388  av_log(avctx, AV_LOG_ERROR, "av_packet_ref failed\n");
389  return ret;
390  }
391 
392  if ((ret = av_bsf_send_packet(ctx->bsf, &filter_packet)) < 0) {
393  av_log(avctx, AV_LOG_ERROR, "av_bsf_send_packet failed\n");
395  return ret;
396  }
397 
398  if ((ret = av_bsf_receive_packet(ctx->bsf, &filtered_packet)) < 0) {
399  av_log(avctx, AV_LOG_ERROR, "av_bsf_receive_packet failed\n");
400  return ret;
401  }
402 
403  avpkt = &filtered_packet;
404  }
405 
406  ret = CHECK_CU(ctx->cudl->cuCtxPushCurrent(cuda_ctx));
407  if (ret < 0) {
408  av_packet_unref(&filtered_packet);
409  return ret;
410  }
411 
412  memset(&cupkt, 0, sizeof(cupkt));
413 
414  if (avpkt && avpkt->size) {
415  cupkt.payload_size = avpkt->size;
416  cupkt.payload = avpkt->data;
417 
418  if (avpkt->pts != AV_NOPTS_VALUE) {
419  cupkt.flags = CUVID_PKT_TIMESTAMP;
420  if (avctx->pkt_timebase.num && avctx->pkt_timebase.den)
421  cupkt.timestamp = av_rescale_q(avpkt->pts, avctx->pkt_timebase, (AVRational){1, 10000000});
422  else
423  cupkt.timestamp = avpkt->pts;
424  }
425  } else {
426  cupkt.flags = CUVID_PKT_ENDOFSTREAM;
427  ctx->decoder_flushing = 1;
428  }
429 
430  ret = CHECK_CU(ctx->cvdl->cuvidParseVideoData(ctx->cuparser, &cupkt));
431 
432  av_packet_unref(&filtered_packet);
433 
434  if (ret < 0)
435  goto error;
436 
437  // cuvidParseVideoData doesn't return an error just because stuff failed...
438  if (ctx->internal_error) {
439  av_log(avctx, AV_LOG_ERROR, "cuvid decode callback error\n");
440  ret = ctx->internal_error;
441  goto error;
442  }
443 
444 error:
445  eret = CHECK_CU(ctx->cudl->cuCtxPopCurrent(&dummy));
446 
447  if (eret < 0)
448  return eret;
449  else if (ret < 0)
450  return ret;
451  else if (is_flush)
452  return AVERROR_EOF;
453  else
454  return 0;
455 }
456 
458 {
459  CuvidContext *ctx = avctx->priv_data;
460  AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)ctx->hwdevice->data;
461  AVCUDADeviceContext *device_hwctx = device_ctx->hwctx;
462  CUcontext dummy, cuda_ctx = device_hwctx->cuda_ctx;
463  CUdeviceptr mapped_frame = 0;
464  int ret = 0, eret = 0;
465 
466  av_log(avctx, AV_LOG_TRACE, "cuvid_output_frame\n");
467 
468  if (ctx->decoder_flushing) {
469  ret = cuvid_decode_packet(avctx, NULL);
470  if (ret < 0 && ret != AVERROR_EOF)
471  return ret;
472  }
473 
474  if (!cuvid_is_buffer_full(avctx)) {
475  AVPacket pkt = {0};
476  ret = ff_decode_get_packet(avctx, &pkt);
477  if (ret < 0 && ret != AVERROR_EOF)
478  return ret;
479  ret = cuvid_decode_packet(avctx, &pkt);
480  av_packet_unref(&pkt);
481  // cuvid_is_buffer_full() should avoid this.
482  if (ret == AVERROR(EAGAIN))
483  ret = AVERROR_EXTERNAL;
484  if (ret < 0 && ret != AVERROR_EOF)
485  return ret;
486  }
487 
488  ret = CHECK_CU(ctx->cudl->cuCtxPushCurrent(cuda_ctx));
489  if (ret < 0)
490  return ret;
491 
492  if (av_fifo_size(ctx->frame_queue)) {
493  CuvidParsedFrame parsed_frame;
494  CUVIDPROCPARAMS params;
495  unsigned int pitch = 0;
496  int offset = 0;
497  int i;
498 
499  av_fifo_generic_read(ctx->frame_queue, &parsed_frame, sizeof(CuvidParsedFrame), NULL);
500 
501  memset(&params, 0, sizeof(params));
502  params.progressive_frame = parsed_frame.dispinfo.progressive_frame;
503  params.second_field = parsed_frame.second_field;
504  params.top_field_first = parsed_frame.dispinfo.top_field_first;
505 
506  ret = CHECK_CU(ctx->cvdl->cuvidMapVideoFrame(ctx->cudecoder, parsed_frame.dispinfo.picture_index, &mapped_frame, &pitch, &params));
507  if (ret < 0)
508  goto error;
509 
510  if (avctx->pix_fmt == AV_PIX_FMT_CUDA) {
511  ret = av_hwframe_get_buffer(ctx->hwframe, frame, 0);
512  if (ret < 0) {
513  av_log(avctx, AV_LOG_ERROR, "av_hwframe_get_buffer failed\n");
514  goto error;
515  }
516 
517  ret = ff_decode_frame_props(avctx, frame);
518  if (ret < 0) {
519  av_log(avctx, AV_LOG_ERROR, "ff_decode_frame_props failed\n");
520  goto error;
521  }
522 
523  for (i = 0; i < 2; i++) {
524  CUDA_MEMCPY2D cpy = {
525  .srcMemoryType = CU_MEMORYTYPE_DEVICE,
526  .dstMemoryType = CU_MEMORYTYPE_DEVICE,
527  .srcDevice = mapped_frame,
528  .dstDevice = (CUdeviceptr)frame->data[i],
529  .srcPitch = pitch,
530  .dstPitch = frame->linesize[i],
531  .srcY = offset,
532  .WidthInBytes = FFMIN(pitch, frame->linesize[i]),
533  .Height = avctx->height >> (i ? 1 : 0),
534  };
535 
536  ret = CHECK_CU(ctx->cudl->cuMemcpy2DAsync(&cpy, device_hwctx->stream));
537  if (ret < 0)
538  goto error;
539 
540  offset += avctx->height;
541  }
542 
543  ret = CHECK_CU(ctx->cudl->cuStreamSynchronize(device_hwctx->stream));
544  if (ret < 0)
545  goto error;
546  } else if (avctx->pix_fmt == AV_PIX_FMT_NV12 ||
547  avctx->pix_fmt == AV_PIX_FMT_P010 ||
548  avctx->pix_fmt == AV_PIX_FMT_P016) {
549  AVFrame *tmp_frame = av_frame_alloc();
550  if (!tmp_frame) {
551  av_log(avctx, AV_LOG_ERROR, "av_frame_alloc failed\n");
552  ret = AVERROR(ENOMEM);
553  goto error;
554  }
555 
556  tmp_frame->format = AV_PIX_FMT_CUDA;
557  tmp_frame->hw_frames_ctx = av_buffer_ref(ctx->hwframe);
558  tmp_frame->data[0] = (uint8_t*)mapped_frame;
559  tmp_frame->linesize[0] = pitch;
560  tmp_frame->data[1] = (uint8_t*)(mapped_frame + avctx->height * pitch);
561  tmp_frame->linesize[1] = pitch;
562  tmp_frame->width = avctx->width;
563  tmp_frame->height = avctx->height;
564 
565  ret = ff_get_buffer(avctx, frame, 0);
566  if (ret < 0) {
567  av_log(avctx, AV_LOG_ERROR, "ff_get_buffer failed\n");
568  av_frame_free(&tmp_frame);
569  goto error;
570  }
571 
572  ret = av_hwframe_transfer_data(frame, tmp_frame, 0);
573  if (ret) {
574  av_log(avctx, AV_LOG_ERROR, "av_hwframe_transfer_data failed\n");
575  av_frame_free(&tmp_frame);
576  goto error;
577  }
578  av_frame_free(&tmp_frame);
579  } else {
580  ret = AVERROR_BUG;
581  goto error;
582  }
583 
584  frame->key_frame = ctx->key_frame[parsed_frame.dispinfo.picture_index];
585  frame->width = avctx->width;
586  frame->height = avctx->height;
587  if (avctx->pkt_timebase.num && avctx->pkt_timebase.den)
588  frame->pts = av_rescale_q(parsed_frame.dispinfo.timestamp, (AVRational){1, 10000000}, avctx->pkt_timebase);
589  else
590  frame->pts = parsed_frame.dispinfo.timestamp;
591 
592  if (parsed_frame.second_field) {
593  if (ctx->prev_pts == INT64_MIN) {
594  ctx->prev_pts = frame->pts;
595  frame->pts += (avctx->pkt_timebase.den * avctx->framerate.den) / (avctx->pkt_timebase.num * avctx->framerate.num);
596  } else {
597  int pts_diff = (frame->pts - ctx->prev_pts) / 2;
598  ctx->prev_pts = frame->pts;
599  frame->pts += pts_diff;
600  }
601  }
602 
603  /* CUVIDs opaque reordering breaks the internal pkt logic.
604  * So set pkt_pts and clear all the other pkt_ fields.
605  */
606 #if FF_API_PKT_PTS
608  frame->pkt_pts = frame->pts;
610 #endif
611  frame->pkt_pos = -1;
612  frame->pkt_duration = 0;
613  frame->pkt_size = -1;
614 
615  frame->interlaced_frame = !parsed_frame.is_deinterlacing && !parsed_frame.dispinfo.progressive_frame;
616 
617  if (frame->interlaced_frame)
618  frame->top_field_first = parsed_frame.dispinfo.top_field_first;
619  } else if (ctx->decoder_flushing) {
620  ret = AVERROR_EOF;
621  } else {
622  ret = AVERROR(EAGAIN);
623  }
624 
625 error:
626  if (mapped_frame)
627  eret = CHECK_CU(ctx->cvdl->cuvidUnmapVideoFrame(ctx->cudecoder, mapped_frame));
628 
629  eret = CHECK_CU(ctx->cudl->cuCtxPopCurrent(&dummy));
630 
631  if (eret < 0)
632  return eret;
633  else
634  return ret;
635 }
636 
637 static int cuvid_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
638 {
639  CuvidContext *ctx = avctx->priv_data;
640  AVFrame *frame = data;
641  int ret = 0;
642 
643  av_log(avctx, AV_LOG_TRACE, "cuvid_decode_frame\n");
644 
645  if (ctx->deint_mode_current != cudaVideoDeinterlaceMode_Weave) {
646  av_log(avctx, AV_LOG_ERROR, "Deinterlacing is not supported via the old API\n");
647  return AVERROR(EINVAL);
648  }
649 
650  if (!ctx->decoder_flushing) {
651  ret = cuvid_decode_packet(avctx, avpkt);
652  if (ret < 0)
653  return ret;
654  }
655 
656  ret = cuvid_output_frame(avctx, frame);
657  if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF) {
658  *got_frame = 0;
659  } else if (ret < 0) {
660  return ret;
661  } else {
662  *got_frame = 1;
663  }
664 
665  return 0;
666 }
667 
669 {
670  CuvidContext *ctx = avctx->priv_data;
671 
672  av_fifo_freep(&ctx->frame_queue);
673 
674  if (ctx->bsf)
675  av_bsf_free(&ctx->bsf);
676 
677  if (ctx->cuparser)
678  ctx->cvdl->cuvidDestroyVideoParser(ctx->cuparser);
679 
680  if (ctx->cudecoder)
681  ctx->cvdl->cuvidDestroyDecoder(ctx->cudecoder);
682 
683  ctx->cudl = NULL;
684 
685  av_buffer_unref(&ctx->hwframe);
686  av_buffer_unref(&ctx->hwdevice);
687 
688  av_freep(&ctx->key_frame);
689 
690  cuvid_free_functions(&ctx->cvdl);
691 
692  return 0;
693 }
694 
696  const CUVIDPARSERPARAMS *cuparseinfo,
697  int probed_width,
698  int probed_height,
699  int bit_depth)
700 {
701  CuvidContext *ctx = avctx->priv_data;
702  CUVIDDECODECAPS *caps;
703  int res8 = 0, res10 = 0, res12 = 0;
704 
705  if (!ctx->cvdl->cuvidGetDecoderCaps) {
706  av_log(avctx, AV_LOG_WARNING, "Used Nvidia driver is too old to perform a capability check.\n");
707  av_log(avctx, AV_LOG_WARNING, "The minimum required version is "
708 #if defined(_WIN32) || defined(__CYGWIN__)
709  "378.66"
710 #else
711  "378.13"
712 #endif
713  ". Continuing blind.\n");
714  ctx->caps8.bIsSupported = ctx->caps10.bIsSupported = 1;
715  // 12 bit was not supported before the capability check was introduced, so disable it.
716  ctx->caps12.bIsSupported = 0;
717  return 0;
718  }
719 
720  ctx->caps8.eCodecType = ctx->caps10.eCodecType = ctx->caps12.eCodecType
721  = cuparseinfo->CodecType;
722  ctx->caps8.eChromaFormat = ctx->caps10.eChromaFormat = ctx->caps12.eChromaFormat
723  = cudaVideoChromaFormat_420;
724 
725  ctx->caps8.nBitDepthMinus8 = 0;
726  ctx->caps10.nBitDepthMinus8 = 2;
727  ctx->caps12.nBitDepthMinus8 = 4;
728 
729  res8 = CHECK_CU(ctx->cvdl->cuvidGetDecoderCaps(&ctx->caps8));
730  res10 = CHECK_CU(ctx->cvdl->cuvidGetDecoderCaps(&ctx->caps10));
731  res12 = CHECK_CU(ctx->cvdl->cuvidGetDecoderCaps(&ctx->caps12));
732 
733  av_log(avctx, AV_LOG_VERBOSE, "CUVID capabilities for %s:\n", avctx->codec->name);
734  av_log(avctx, AV_LOG_VERBOSE, "8 bit: supported: %d, min_width: %d, max_width: %d, min_height: %d, max_height: %d\n",
735  ctx->caps8.bIsSupported, ctx->caps8.nMinWidth, ctx->caps8.nMaxWidth, ctx->caps8.nMinHeight, ctx->caps8.nMaxHeight);
736  av_log(avctx, AV_LOG_VERBOSE, "10 bit: supported: %d, min_width: %d, max_width: %d, min_height: %d, max_height: %d\n",
737  ctx->caps10.bIsSupported, ctx->caps10.nMinWidth, ctx->caps10.nMaxWidth, ctx->caps10.nMinHeight, ctx->caps10.nMaxHeight);
738  av_log(avctx, AV_LOG_VERBOSE, "12 bit: supported: %d, min_width: %d, max_width: %d, min_height: %d, max_height: %d\n",
739  ctx->caps12.bIsSupported, ctx->caps12.nMinWidth, ctx->caps12.nMaxWidth, ctx->caps12.nMinHeight, ctx->caps12.nMaxHeight);
740 
741  switch (bit_depth) {
742  case 10:
743  caps = &ctx->caps10;
744  if (res10 < 0)
745  return res10;
746  break;
747  case 12:
748  caps = &ctx->caps12;
749  if (res12 < 0)
750  return res12;
751  break;
752  default:
753  caps = &ctx->caps8;
754  if (res8 < 0)
755  return res8;
756  }
757 
758  if (!ctx->caps8.bIsSupported) {
759  av_log(avctx, AV_LOG_ERROR, "Codec %s is not supported.\n", avctx->codec->name);
760  return AVERROR(EINVAL);
761  }
762 
763  if (!caps->bIsSupported) {
764  av_log(avctx, AV_LOG_ERROR, "Bit depth %d is not supported.\n", bit_depth);
765  return AVERROR(EINVAL);
766  }
767 
768  if (probed_width > caps->nMaxWidth || probed_width < caps->nMinWidth) {
769  av_log(avctx, AV_LOG_ERROR, "Video width %d not within range from %d to %d\n",
770  probed_width, caps->nMinWidth, caps->nMaxWidth);
771  return AVERROR(EINVAL);
772  }
773 
774  if (probed_height > caps->nMaxHeight || probed_height < caps->nMinHeight) {
775  av_log(avctx, AV_LOG_ERROR, "Video height %d not within range from %d to %d\n",
776  probed_height, caps->nMinHeight, caps->nMaxHeight);
777  return AVERROR(EINVAL);
778  }
779 
780  return 0;
781 }
782 
784 {
785  CuvidContext *ctx = avctx->priv_data;
786  AVCUDADeviceContext *device_hwctx;
787  AVHWDeviceContext *device_ctx;
788  AVHWFramesContext *hwframe_ctx;
789  CUVIDSOURCEDATAPACKET seq_pkt;
790  CUcontext cuda_ctx = NULL;
791  CUcontext dummy;
792  const AVBitStreamFilter *bsf;
793  int ret = 0;
794 
797  AV_PIX_FMT_NONE };
798 
799  int probed_width = avctx->coded_width ? avctx->coded_width : 1280;
800  int probed_height = avctx->coded_height ? avctx->coded_height : 720;
801  int probed_bit_depth = 8;
802 
803  const AVPixFmtDescriptor *probe_desc = av_pix_fmt_desc_get(avctx->pix_fmt);
804  if (probe_desc && probe_desc->nb_components)
805  probed_bit_depth = probe_desc->comp[0].depth;
806 
807  // Accelerated transcoding scenarios with 'ffmpeg' require that the
808  // pix_fmt be set to AV_PIX_FMT_CUDA early. The sw_pix_fmt, and the
809  // pix_fmt for non-accelerated transcoding, do not need to be correct
810  // but need to be set to something. We arbitrarily pick NV12.
811  ret = ff_get_format(avctx, pix_fmts);
812  if (ret < 0) {
813  av_log(avctx, AV_LOG_ERROR, "ff_get_format failed: %d\n", ret);
814  return ret;
815  }
816  avctx->pix_fmt = ret;
817 
818  if (ctx->resize_expr && sscanf(ctx->resize_expr, "%dx%d",
819  &ctx->resize.width, &ctx->resize.height) != 2) {
820  av_log(avctx, AV_LOG_ERROR, "Invalid resize expressions\n");
821  ret = AVERROR(EINVAL);
822  goto error;
823  }
824 
825  if (ctx->crop_expr && sscanf(ctx->crop_expr, "%dx%dx%dx%d",
826  &ctx->crop.top, &ctx->crop.bottom,
827  &ctx->crop.left, &ctx->crop.right) != 4) {
828  av_log(avctx, AV_LOG_ERROR, "Invalid cropping expressions\n");
829  ret = AVERROR(EINVAL);
830  goto error;
831  }
832 
833  ret = cuvid_load_functions(&ctx->cvdl, avctx);
834  if (ret < 0) {
835  av_log(avctx, AV_LOG_ERROR, "Failed loading nvcuvid.\n");
836  goto error;
837  }
838 
839  ctx->frame_queue = av_fifo_alloc(ctx->nb_surfaces * sizeof(CuvidParsedFrame));
840  if (!ctx->frame_queue) {
841  ret = AVERROR(ENOMEM);
842  goto error;
843  }
844 
845  if (avctx->hw_frames_ctx) {
846  ctx->hwframe = av_buffer_ref(avctx->hw_frames_ctx);
847  if (!ctx->hwframe) {
848  ret = AVERROR(ENOMEM);
849  goto error;
850  }
851 
852  hwframe_ctx = (AVHWFramesContext*)ctx->hwframe->data;
853 
854  ctx->hwdevice = av_buffer_ref(hwframe_ctx->device_ref);
855  if (!ctx->hwdevice) {
856  ret = AVERROR(ENOMEM);
857  goto error;
858  }
859  } else {
860  if (avctx->hw_device_ctx) {
861  ctx->hwdevice = av_buffer_ref(avctx->hw_device_ctx);
862  if (!ctx->hwdevice) {
863  ret = AVERROR(ENOMEM);
864  goto error;
865  }
866  } else {
868  if (ret < 0)
869  goto error;
870  }
871 
873  if (!ctx->hwframe) {
874  av_log(avctx, AV_LOG_ERROR, "av_hwframe_ctx_alloc failed\n");
875  ret = AVERROR(ENOMEM);
876  goto error;
877  }
878 
879  hwframe_ctx = (AVHWFramesContext*)ctx->hwframe->data;
880  }
881 
882  device_ctx = hwframe_ctx->device_ctx;
883  device_hwctx = device_ctx->hwctx;
884 
885  cuda_ctx = device_hwctx->cuda_ctx;
886  ctx->cudl = device_hwctx->internal->cuda_dl;
887 
888  memset(&ctx->cuparseinfo, 0, sizeof(ctx->cuparseinfo));
889  memset(&ctx->cuparse_ext, 0, sizeof(ctx->cuparse_ext));
890  memset(&seq_pkt, 0, sizeof(seq_pkt));
891 
892  ctx->cuparseinfo.pExtVideoInfo = &ctx->cuparse_ext;
893 
894  switch (avctx->codec->id) {
895 #if CONFIG_H264_CUVID_DECODER
896  case AV_CODEC_ID_H264:
897  ctx->cuparseinfo.CodecType = cudaVideoCodec_H264;
898  break;
899 #endif
900 #if CONFIG_HEVC_CUVID_DECODER
901  case AV_CODEC_ID_HEVC:
902  ctx->cuparseinfo.CodecType = cudaVideoCodec_HEVC;
903  break;
904 #endif
905 #if CONFIG_MJPEG_CUVID_DECODER
906  case AV_CODEC_ID_MJPEG:
907  ctx->cuparseinfo.CodecType = cudaVideoCodec_JPEG;
908  break;
909 #endif
910 #if CONFIG_MPEG1_CUVID_DECODER
912  ctx->cuparseinfo.CodecType = cudaVideoCodec_MPEG1;
913  break;
914 #endif
915 #if CONFIG_MPEG2_CUVID_DECODER
917  ctx->cuparseinfo.CodecType = cudaVideoCodec_MPEG2;
918  break;
919 #endif
920 #if CONFIG_MPEG4_CUVID_DECODER
921  case AV_CODEC_ID_MPEG4:
922  ctx->cuparseinfo.CodecType = cudaVideoCodec_MPEG4;
923  break;
924 #endif
925 #if CONFIG_VP8_CUVID_DECODER
926  case AV_CODEC_ID_VP8:
927  ctx->cuparseinfo.CodecType = cudaVideoCodec_VP8;
928  break;
929 #endif
930 #if CONFIG_VP9_CUVID_DECODER
931  case AV_CODEC_ID_VP9:
932  ctx->cuparseinfo.CodecType = cudaVideoCodec_VP9;
933  break;
934 #endif
935 #if CONFIG_VC1_CUVID_DECODER
936  case AV_CODEC_ID_VC1:
937  ctx->cuparseinfo.CodecType = cudaVideoCodec_VC1;
938  break;
939 #endif
940  default:
941  av_log(avctx, AV_LOG_ERROR, "Invalid CUVID codec!\n");
942  return AVERROR_BUG;
943  }
944 
945  if (avctx->codec->id == AV_CODEC_ID_H264 || avctx->codec->id == AV_CODEC_ID_HEVC) {
946  if (avctx->codec->id == AV_CODEC_ID_H264)
947  bsf = av_bsf_get_by_name("h264_mp4toannexb");
948  else
949  bsf = av_bsf_get_by_name("hevc_mp4toannexb");
950 
951  if (!bsf) {
952  ret = AVERROR_BSF_NOT_FOUND;
953  goto error;
954  }
955  if (ret = av_bsf_alloc(bsf, &ctx->bsf)) {
956  goto error;
957  }
958  if (((ret = avcodec_parameters_from_context(ctx->bsf->par_in, avctx)) < 0) || ((ret = av_bsf_init(ctx->bsf)) < 0)) {
959  av_bsf_free(&ctx->bsf);
960  goto error;
961  }
962 
963  ctx->cuparse_ext.format.seqhdr_data_length = ctx->bsf->par_out->extradata_size;
964  memcpy(ctx->cuparse_ext.raw_seqhdr_data,
965  ctx->bsf->par_out->extradata,
966  FFMIN(sizeof(ctx->cuparse_ext.raw_seqhdr_data), ctx->bsf->par_out->extradata_size));
967  } else if (avctx->extradata_size > 0) {
968  ctx->cuparse_ext.format.seqhdr_data_length = avctx->extradata_size;
969  memcpy(ctx->cuparse_ext.raw_seqhdr_data,
970  avctx->extradata,
971  FFMIN(sizeof(ctx->cuparse_ext.raw_seqhdr_data), avctx->extradata_size));
972  }
973 
974  ctx->key_frame = av_mallocz(ctx->nb_surfaces * sizeof(int));
975  if (!ctx->key_frame) {
976  ret = AVERROR(ENOMEM);
977  goto error;
978  }
979 
980  ctx->cuparseinfo.ulMaxNumDecodeSurfaces = ctx->nb_surfaces;
981  ctx->cuparseinfo.ulMaxDisplayDelay = 4;
982  ctx->cuparseinfo.pUserData = avctx;
983  ctx->cuparseinfo.pfnSequenceCallback = cuvid_handle_video_sequence;
984  ctx->cuparseinfo.pfnDecodePicture = cuvid_handle_picture_decode;
985  ctx->cuparseinfo.pfnDisplayPicture = cuvid_handle_picture_display;
986 
987  ret = CHECK_CU(ctx->cudl->cuCtxPushCurrent(cuda_ctx));
988  if (ret < 0)
989  goto error;
990 
991  ret = cuvid_test_capabilities(avctx, &ctx->cuparseinfo,
992  probed_width,
993  probed_height,
994  probed_bit_depth);
995  if (ret < 0)
996  goto error;
997 
998  ret = CHECK_CU(ctx->cvdl->cuvidCreateVideoParser(&ctx->cuparser, &ctx->cuparseinfo));
999  if (ret < 0)
1000  goto error;
1001 
1002  seq_pkt.payload = ctx->cuparse_ext.raw_seqhdr_data;
1003  seq_pkt.payload_size = ctx->cuparse_ext.format.seqhdr_data_length;
1004 
1005  if (seq_pkt.payload && seq_pkt.payload_size) {
1006  ret = CHECK_CU(ctx->cvdl->cuvidParseVideoData(ctx->cuparser, &seq_pkt));
1007  if (ret < 0)
1008  goto error;
1009  }
1010 
1011  ret = CHECK_CU(ctx->cudl->cuCtxPopCurrent(&dummy));
1012  if (ret < 0)
1013  goto error;
1014 
1015  ctx->prev_pts = INT64_MIN;
1016 
1017  if (!avctx->pkt_timebase.num || !avctx->pkt_timebase.den)
1018  av_log(avctx, AV_LOG_WARNING, "Invalid pkt_timebase, passing timestamps as-is.\n");
1019 
1020  return 0;
1021 
1022 error:
1023  cuvid_decode_end(avctx);
1024  return ret;
1025 }
1026 
1027 static void cuvid_flush(AVCodecContext *avctx)
1028 {
1029  CuvidContext *ctx = avctx->priv_data;
1030  AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)ctx->hwdevice->data;
1031  AVCUDADeviceContext *device_hwctx = device_ctx->hwctx;
1032  CUcontext dummy, cuda_ctx = device_hwctx->cuda_ctx;
1033  CUVIDSOURCEDATAPACKET seq_pkt = { 0 };
1034  int ret;
1035 
1036  ret = CHECK_CU(ctx->cudl->cuCtxPushCurrent(cuda_ctx));
1037  if (ret < 0)
1038  goto error;
1039 
1040  av_fifo_freep(&ctx->frame_queue);
1041 
1042  ctx->frame_queue = av_fifo_alloc(ctx->nb_surfaces * sizeof(CuvidParsedFrame));
1043  if (!ctx->frame_queue) {
1044  av_log(avctx, AV_LOG_ERROR, "Failed to recreate frame queue on flush\n");
1045  return;
1046  }
1047 
1048  if (ctx->cudecoder) {
1049  ctx->cvdl->cuvidDestroyDecoder(ctx->cudecoder);
1050  ctx->cudecoder = NULL;
1051  }
1052 
1053  if (ctx->cuparser) {
1054  ctx->cvdl->cuvidDestroyVideoParser(ctx->cuparser);
1055  ctx->cuparser = NULL;
1056  }
1057 
1058  ret = CHECK_CU(ctx->cvdl->cuvidCreateVideoParser(&ctx->cuparser, &ctx->cuparseinfo));
1059  if (ret < 0)
1060  goto error;
1061 
1062  seq_pkt.payload = ctx->cuparse_ext.raw_seqhdr_data;
1063  seq_pkt.payload_size = ctx->cuparse_ext.format.seqhdr_data_length;
1064 
1065  if (seq_pkt.payload && seq_pkt.payload_size) {
1066  ret = CHECK_CU(ctx->cvdl->cuvidParseVideoData(ctx->cuparser, &seq_pkt));
1067  if (ret < 0)
1068  goto error;
1069  }
1070 
1071  ret = CHECK_CU(ctx->cudl->cuCtxPopCurrent(&dummy));
1072  if (ret < 0)
1073  goto error;
1074 
1075  ctx->prev_pts = INT64_MIN;
1076  ctx->decoder_flushing = 0;
1077 
1078  return;
1079  error:
1080  av_log(avctx, AV_LOG_ERROR, "CUDA reinit on flush failed\n");
1081 }
1082 
1083 #define OFFSET(x) offsetof(CuvidContext, x)
1084 #define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
1085 static const AVOption options[] = {
1086  { "deint", "Set deinterlacing mode", OFFSET(deint_mode), AV_OPT_TYPE_INT, { .i64 = cudaVideoDeinterlaceMode_Weave }, cudaVideoDeinterlaceMode_Weave, cudaVideoDeinterlaceMode_Adaptive, VD, "deint" },
1087  { "weave", "Weave deinterlacing (do nothing)", 0, AV_OPT_TYPE_CONST, { .i64 = cudaVideoDeinterlaceMode_Weave }, 0, 0, VD, "deint" },
1088  { "bob", "Bob deinterlacing", 0, AV_OPT_TYPE_CONST, { .i64 = cudaVideoDeinterlaceMode_Bob }, 0, 0, VD, "deint" },
1089  { "adaptive", "Adaptive deinterlacing", 0, AV_OPT_TYPE_CONST, { .i64 = cudaVideoDeinterlaceMode_Adaptive }, 0, 0, VD, "deint" },
1090  { "gpu", "GPU to be used for decoding", OFFSET(cu_gpu), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VD },
1091  { "surfaces", "Maximum surfaces to be used for decoding", OFFSET(nb_surfaces), AV_OPT_TYPE_INT, { .i64 = 25 }, 0, INT_MAX, VD },
1092  { "drop_second_field", "Drop second field when deinterlacing", OFFSET(drop_second_field), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VD },
1093  { "crop", "Crop (top)x(bottom)x(left)x(right)", OFFSET(crop_expr), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VD },
1094  { "resize", "Resize (width)x(height)", OFFSET(resize_expr), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VD },
1095  { NULL }
1096 };
1097 
1099  &(const AVCodecHWConfigInternal) {
1100  .public = {
1104  .device_type = AV_HWDEVICE_TYPE_CUDA
1105  },
1106  .hwaccel = NULL,
1107  },
1108  NULL
1109 };
1110 
1111 #define DEFINE_CUVID_CODEC(x, X) \
1112  static const AVClass x##_cuvid_class = { \
1113  .class_name = #x "_cuvid", \
1114  .item_name = av_default_item_name, \
1115  .option = options, \
1116  .version = LIBAVUTIL_VERSION_INT, \
1117  }; \
1118  AVCodec ff_##x##_cuvid_decoder = { \
1119  .name = #x "_cuvid", \
1120  .long_name = NULL_IF_CONFIG_SMALL("Nvidia CUVID " #X " decoder"), \
1121  .type = AVMEDIA_TYPE_VIDEO, \
1122  .id = AV_CODEC_ID_##X, \
1123  .priv_data_size = sizeof(CuvidContext), \
1124  .priv_class = &x##_cuvid_class, \
1125  .init = cuvid_decode_init, \
1126  .close = cuvid_decode_end, \
1127  .decode = cuvid_decode_frame, \
1128  .receive_frame = cuvid_output_frame, \
1129  .flush = cuvid_flush, \
1130  .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AVOID_PROBING | AV_CODEC_CAP_HARDWARE, \
1131  .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_CUDA, \
1132  AV_PIX_FMT_NV12, \
1133  AV_PIX_FMT_P010, \
1134  AV_PIX_FMT_P016, \
1135  AV_PIX_FMT_NONE }, \
1136  .hw_configs = cuvid_hw_configs, \
1137  .wrapper_name = "cuvid", \
1138  };
1139 
1140 #if CONFIG_HEVC_CUVID_DECODER
1141 DEFINE_CUVID_CODEC(hevc, HEVC)
1142 #endif
1143 
1144 #if CONFIG_H264_CUVID_DECODER
1145 DEFINE_CUVID_CODEC(h264, H264)
1146 #endif
1147 
1148 #if CONFIG_MJPEG_CUVID_DECODER
1149 DEFINE_CUVID_CODEC(mjpeg, MJPEG)
1150 #endif
1151 
1152 #if CONFIG_MPEG1_CUVID_DECODER
1153 DEFINE_CUVID_CODEC(mpeg1, MPEG1VIDEO)
1154 #endif
1155 
1156 #if CONFIG_MPEG2_CUVID_DECODER
1157 DEFINE_CUVID_CODEC(mpeg2, MPEG2VIDEO)
1158 #endif
1159 
1160 #if CONFIG_MPEG4_CUVID_DECODER
1161 DEFINE_CUVID_CODEC(mpeg4, MPEG4)
1162 #endif
1163 
1164 #if CONFIG_VP8_CUVID_DECODER
1165 DEFINE_CUVID_CODEC(vp8, VP8)
1166 #endif
1167 
1168 #if CONFIG_VP9_CUVID_DECODER
1169 DEFINE_CUVID_CODEC(vp9, VP9)
1170 #endif
1171 
1172 #if CONFIG_VC1_CUVID_DECODER
1173 DEFINE_CUVID_CODEC(vc1, VC1)
1174 #endif
This struct aggregates all the (hardware/vendor-specific) "high-level" state, i.e.
Definition: hwcontext.h:60
AVCodecHWConfig public
This is the structure which will be returned to the user by avcodec_get_hw_config().
Definition: hwaccel.h:34
void av_bsf_free(AVBSFContext **ctx)
Free a bitstream filter context and everything associated with it; write NULL into the supplied point...
Definition: bsf.c:35
#define NULL
Definition: coverity.c:32
int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
Select the (possibly hardware accelerated) pixel format.
Definition: decode.c:1326
const struct AVCodec * codec
Definition: avcodec.h:1549
AVRational framerate
Definition: avcodec.h:3073
char * crop_expr
Definition: cuviddec.c:49
AVCodecParameters * par_out
Parameters of the output stream.
Definition: avcodec.h:5754
int decoder_flushing
Definition: cuviddec.c:76
AVRational av_div_q(AVRational b, AVRational c)
Divide one rational by another.
Definition: rational.c:88
static const char * format[]
Definition: af_aiir.c:331
void av_buffer_unref(AVBufferRef **buf)
Free a given reference and automatically free the buffer if there are no more references to it...
Definition: buffer.c:125
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2498
This structure describes decoded (raw) audio or video data.
Definition: frame.h:226
AVBufferRef * hwdevice
Definition: cuviddec.c:64
AVOption.
Definition: opt.h:246
ptrdiff_t const GLvoid * data
Definition: opengl_enc.c:101
#define AV_CODEC_FLAG_INTERLACED_DCT
Use interlaced DCT.
Definition: avcodec.h:883
The codec supports this format by some internal method.
Definition: avcodec.h:3403
int coded_width
Bitstream width / height, may be different from width/height e.g.
Definition: avcodec.h:1728
int64_t pkt_pos
reordered pos from the last AVPacket that has been input into the decoder
Definition: frame.h:497
static av_cold int cuvid_decode_init(AVCodecContext *avctx)
Definition: cuviddec.c:783
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
CUVIDDECODECAPS caps8
Definition: cuviddec.c:83
int bottom
Definition: cuviddec.c:56
CuvidFunctions * cvdl
Definition: cuviddec.c:89
AVCUDADeviceContextInternal * internal
int num
Numerator.
Definition: rational.h:59
The bitstream filter state.
Definition: avcodec.h:5720
int deint_mode
Definition: cuviddec.c:71
const AVBitStreamFilter * av_bsf_get_by_name(const char *name)
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1750
int nb_surfaces
Definition: cuviddec.c:47
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:236
CUVIDPARSERPARAMS cuparseinfo
Definition: cuviddec.c:85
int ff_decode_frame_props(AVCodecContext *avctx, AVFrame *frame)
Set various frame properties from the codec context / packet data.
Definition: decode.c:1693
static av_cold int cuvid_decode_end(AVCodecContext *avctx)
Definition: cuviddec.c:668
static AVPacket pkt
int av_bsf_init(AVBSFContext *ctx)
Prepare the filter for use, after all the parameters and options have been set.
Definition: bsf.c:134
int av_fifo_generic_write(AVFifoBuffer *f, void *src, int size, int(*func)(void *, void *, int))
Feed data from a user-supplied callback to an AVFifoBuffer.
Definition: fifo.c:122
int deint_mode_current
Definition: cuviddec.c:72
AVBufferRef * hw_frames_ctx
For hwaccel-format frames, this should be a reference to the AVHWFramesContext describing the frame...
Definition: frame.h:563
#define AV_PIX_FMT_P016
Definition: pixfmt.h:434
int av_bsf_alloc(const AVBitStreamFilter *filter, AVBSFContext **ctx)
Allocate a context for a given bitstream filter.
Definition: bsf.c:81
#define AV_PIX_FMT_P010
Definition: pixfmt.h:433
int av_bsf_receive_packet(AVBSFContext *ctx, AVPacket *pkt)
Retrieve a filtered packet.
Definition: bsf.c:211
struct CuvidContext::@68 crop
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
uint8_t
#define av_cold
Definition: attributes.h:82
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
Definition: frame.c:189
AVOptions.
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
Definition: log.h:202
int internal_error
Definition: cuviddec.c:75
CUvideoparser cuparser
Definition: cuviddec.c:44
static int cuvid_decode_packet(AVCodecContext *avctx, const AVPacket *avpkt)
Definition: cuviddec.c:367
int ff_decode_get_packet(AVCodecContext *avctx, AVPacket *pkt)
Called by decoders to get the next packet for decoding.
Definition: decode.c:329
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:319
int is_deinterlacing
Definition: cuviddec.c:96
enum AVPixelFormat pix_fmt
A hardware pixel format which the codec can use.
Definition: avcodec.h:3419
struct CuvidContext::@69 resize
AVFifoBuffer * frame_queue
Definition: cuviddec.c:69
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
Definition: avcodec.h:1641
#define OFFSET(x)
Definition: cuviddec.c:1083
static AVFrame * frame
void * hwctx
The format-specific data, allocated and freed by libavutil along with this context.
Definition: hwcontext.h:91
int height
Definition: cuviddec.c:61
int av_hwdevice_ctx_create(AVBufferRef **pdevice_ref, enum AVHWDeviceType type, const char *device, AVDictionary *opts, int flags)
Open a device of the specified type and create an AVHWDeviceContext for it.
Definition: hwcontext.c:571
int flags
Flags modifying the (de)muxer behaviour.
Definition: avformat.h:1482
int * key_frame
Definition: cuviddec.c:78
int ff_set_sar(AVCodecContext *avctx, AVRational sar)
Check that the provided sample aspect ratio is valid and set it on the codec context.
Definition: utils.c:119
#define AVERROR_EOF
End of file.
Definition: error.h:55
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
int interlaced_frame
The content of the picture is interlaced.
Definition: frame.h:373
char * resize_expr
Definition: cuviddec.c:50
The codec supports this format via the hw_device_ctx interface.
Definition: avcodec.h:3387
#define av_log(a,...)
int av_packet_ref(AVPacket *dst, const AVPacket *src)
Setup a new reference to the data described by a given packet.
Definition: avpacket.c:607
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
Definition: mathematics.c:142
CudaFunctions * cudl
Definition: cuviddec.c:88
AVRational pkt_timebase
Timebase in which pkt_dts/pts and AVPacket.dts/pts are.
Definition: avcodec.h:3087
enum AVCodecID id
Definition: avcodec.h:3455
cudaVideoChromaFormat chroma_format
Definition: cuviddec.c:81
int width
Definition: frame.h:284
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
AVClass * avclass
Definition: cuviddec.c:41
cudaVideoCodec codec_type
Definition: cuviddec.c:80
#define AVERROR(e)
Definition: error.h:43
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:202
CUVIDDECODECAPS caps12
Definition: cuviddec.c:83
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:197
int av_fifo_generic_read(AVFifoBuffer *f, void *dest, int buf_size, void(*func)(void *, void *, int))
Feed data from an AVFifoBuffer to a user-supplied callback.
Definition: fifo.c:213
GLenum GLint * params
Definition: opengl_enc.c:114
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:89
const char * name
Name of the codec implementation.
Definition: avcodec.h:3448
int av_hwframe_ctx_init(AVBufferRef *ref)
Finalize the context before use.
Definition: hwcontext.c:329
static void cuvid_flush(AVCodecContext *avctx)
Definition: cuviddec.c:1027
static const uint8_t offset[127][2]
Definition: vf_spp.c:92
int av_hwframe_get_buffer(AVBufferRef *hwframe_ref, AVFrame *frame, int flags)
Allocate a new frame attached to the given AVHWFramesContext.
Definition: hwcontext.c:465
int extradata_size
Size of the extradata content in bytes.
Definition: avcodec.h:3935
int av_hwframe_transfer_data(AVFrame *dst, const AVFrame *src, int flags)
Copy data to or from a hw surface.
Definition: hwcontext.c:439
uint8_t nb_components
The number of components each pixel has, (1-4)
Definition: pixdesc.h:83
#define FFMIN(a, b)
Definition: common.h:96
CUVIDDECODECAPS caps10
Definition: cuviddec.c:83
AVHWDeviceContext * device_ctx
The parent AVHWDeviceContext.
Definition: hwcontext.h:148
static int CUDAAPI cuvid_handle_video_sequence(void *opaque, CUVIDEOFORMAT *format)
Definition: cuviddec.c:101
int width
picture width / height.
Definition: avcodec.h:1713
static int filter_packet(AVFormatContext *avf, ConcatStream *cs, AVPacket *pkt)
Definition: concatdec.c:533
AVBufferRef * hw_frames_ctx
A reference to the AVHWFramesContext describing the input (for encoding) or output (decoding) frames...
Definition: avcodec.h:3230
static void bit_depth(AudioStatsContext *s, uint64_t mask, uint64_t imask, AVRational *depth)
Definition: af_astats.c:155
AVBufferRef * hwframe
Definition: cuviddec.c:65
int av_bsf_send_packet(AVBSFContext *ctx, AVPacket *pkt)
Submit a packet for filtering.
Definition: bsf.c:185
AVFormatContext * ctx
Definition: movenc.c:48
static int cuvid_output_frame(AVCodecContext *avctx, AVFrame *frame)
Definition: cuviddec.c:457
#define AVERROR_BSF_NOT_FOUND
Bitstream filter not found.
Definition: error.h:49
FFmpeg internal API for CUDA.
int dummy
Definition: motion.c:64
static int CUDAAPI cuvid_handle_picture_decode(void *opaque, CUVIDPICPARAMS *picparams)
Definition: cuviddec.c:317
HW acceleration through CUDA.
Definition: pixfmt.h:235
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:220
static void error(const char *err)
the normal 2^n-1 "JPEG" YUV ranges
Definition: pixfmt.h:519
CUvideodecoder cudecoder
Definition: cuviddec.c:43
static int cuvid_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
Definition: cuviddec.c:637
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames...
Definition: frame.h:299
int drop_second_field
Definition: cuviddec.c:48
Libavcodec external API header.
int64_t pkt_duration
duration of the corresponding packet, expressed in AVStream->time_base units, 0 if unknown...
Definition: frame.h:505
int av_fifo_size(const AVFifoBuffer *f)
Return the amount of data in bytes in the AVFifoBuffer, that is the amount of data you can read from ...
Definition: fifo.c:77
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:257
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
main external API structure.
Definition: avcodec.h:1540
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
Definition: avpacket.c:598
uint8_t * data
The data buffer.
Definition: buffer.h:89
static int cuvid_test_capabilities(AVCodecContext *avctx, const CUVIDPARSERPARAMS *cuparseinfo, int probed_width, int probed_height, int bit_depth)
Definition: cuviddec.c:695
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Get a buffer for a frame.
Definition: decode.c:1919
a very simple circular buffer FIFO implementation
AVBSFContext * bsf
Definition: cuviddec.c:67
static const AVOption options[]
Definition: cuviddec.c:1085
int extradata_size
Definition: avcodec.h:1642
static const AVCodecHWConfigInternal * cuvid_hw_configs[]
Definition: cuviddec.c:1098
#define AVERROR_BUG
Internal bug, also see AVERROR_BUG2.
Definition: error.h:50
This struct is allocated as AVHWDeviceContext.hwctx.
int coded_height
Definition: avcodec.h:1728
Describe the class of an AVClass context structure.
Definition: log.h:67
Rational number (pair of numerator and denominator).
Definition: rational.h:58
int avcodec_parameters_from_context(AVCodecParameters *par, const AVCodecContext *codec)
Fill the parameters struct based on the values from the supplied codec context.
Definition: utils.c:2035
This struct describes a set or pool of "hardware" frames (i.e.
Definition: hwcontext.h:123
refcounted data buffer API
#define DEFINE_CUVID_CODEC(x, X)
Definition: cuviddec.c:1111
char * cu_gpu
Definition: cuviddec.c:46
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:266
CUVIDPARSERDISPINFO dispinfo
Definition: cuviddec.c:94
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:240
AVBufferRef * device_ref
A reference to the parent AVHWDeviceContext.
Definition: hwcontext.h:140
attribute_deprecated int64_t pkt_pts
PTS copied from the AVPacket that was decoded to produce this frame.
Definition: frame.h:327
the normal 219*2^(n-8) "MPEG" YUV ranges
Definition: pixfmt.h:518
A reference to a data buffer.
Definition: buffer.h:81
#define FF_DISABLE_DEPRECATION_WARNINGS
Definition: internal.h:84
common internal api header.
AVBufferRef * av_hwframe_ctx_alloc(AVBufferRef *device_ref_in)
Allocate an AVHWFramesContext tied to a given device context.
Definition: hwcontext.c:243
int64_t prev_pts
Definition: cuviddec.c:73
static int CUDAAPI cuvid_handle_picture_display(void *opaque, CUVIDPARSERDISPINFO *dispinfo)
Definition: cuviddec.c:333
AVBufferRef * av_buffer_ref(AVBufferRef *buf)
Create a new reference to an AVBuffer.
Definition: buffer.c:93
int den
Denominator.
Definition: rational.h:60
#define CHECK_CU(x)
Definition: cuviddec.c:99
void * priv_data
Definition: avcodec.h:1567
AVFifoBuffer * av_fifo_alloc(unsigned int size)
Initialize an AVFifoBuffer.
Definition: fifo.c:43
#define FF_ENABLE_DEPRECATION_WARNINGS
Definition: internal.h:85
int top_field_first
If the content is interlaced, is top field displayed first.
Definition: frame.h:378
int key_frame
1 -> keyframe, 0-> not
Definition: frame.h:304
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: avcodec.h:3931
AVRational av_mul_q(AVRational b, AVRational c)
Multiply two rationals.
Definition: rational.c:80
int height
Definition: frame.h:284
#define av_freep(p)
CUVIDEOFORMATEX cuparse_ext
Definition: cuviddec.c:86
void av_fifo_freep(AVFifoBuffer **f)
Free an AVFifoBuffer and reset pointer to NULL.
Definition: fifo.c:63
#define VD
Definition: cuviddec.c:1084
const char * av_get_pix_fmt_name(enum AVPixelFormat pix_fmt)
Return the short name for a pixel format, NULL in case pix_fmt is unknown.
Definition: pixdesc.c:2414
int depth
Number of bits in the component.
Definition: pixdesc.h:58
AVBufferRef * hw_device_ctx
A reference to the AVHWDeviceContext describing the device which will be used by a hardware encoder/d...
Definition: avcodec.h:3282
int pkt_size
size of the corresponding packet containing the compressed frame.
Definition: frame.h:539
#define AVERROR_EXTERNAL
Generic error in an external library.
Definition: error.h:57
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
This structure stores compressed data.
Definition: avcodec.h:1429
AVCodecParameters * par_in
Parameters of the input stream.
Definition: avcodec.h:5748
#define AV_NOPTS_VALUE
Undefined timestamp value.
Definition: avutil.h:248
static int cuvid_is_buffer_full(AVCodecContext *avctx)
Definition: cuviddec.c:356