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
22 #include "compat/cuda/dynlink_loader.h"
23
24 #include "libavutil/buffer.h"
25 #include "libavutil/mathematics.h"
26 #include "libavutil/hwcontext.h"
27 #include "libavutil/hwcontext_cuda_internal.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 "hwconfig.h"
37 #include "nvdec.h"
38 #include "internal.h"
39
40 #if !NVDECAPI_CHECK_VERSION(9, 0)
41 #define cudaVideoSurfaceFormat_YUV444 2
42 #define cudaVideoSurfaceFormat_YUV444_16Bit 3
43 #endif
44
45 #if NVDECAPI_CHECK_VERSION(11, 0)
46 #define CUVID_HAS_AV1_SUPPORT
47 #endif
48
49 typedef struct CuvidContext
50 {
51 AVClass *avclass;
52
53 CUvideodecoder cudecoder;
54 CUvideoparser cuparser;
55
56 char *cu_gpu;
57 int nb_surfaces;
58 int drop_second_field;
59 char *crop_expr;
60 char *resize_expr;
61
62 struct {
63 int left;
64 int top;
65 int right;
66 int bottom;
67 } crop;
68
69 struct {
70 int width;
71 int height;
72 } resize;
73
74 AVBufferRef *hwdevice;
75 AVBufferRef *hwframe;
76
77 AVFifoBuffer *frame_queue;
78
79 int deint_mode;
80 int deint_mode_current;
81 int64_t prev_pts;
82 int progressive_sequence;
83
84 int internal_error;
85 int decoder_flushing;
86
87 int *key_frame;
88
89 cudaVideoCodec codec_type;
90 cudaVideoChromaFormat chroma_format;
91
92 CUVIDDECODECAPS caps8, caps10, caps12;
93
94 CUVIDPARSERPARAMS cuparseinfo;
95 CUVIDEOFORMATEX *cuparse_ext;
96
97 CudaFunctions *cudl;
98 CuvidFunctions *cvdl;
99 } CuvidContext;
100
101 typedef struct CuvidParsedFrame
102 {
103 CUVIDPARSERDISPINFO dispinfo;
104 int second_field;
105 int is_deinterlacing;
106 } CuvidParsedFrame;
107
108 #define CHECK_CU(x) FF_CUDA_CHECK_DL(avctx, ctx->cudl, x)
109
cuvid_handle_video_sequence(void * opaque,CUVIDEOFORMAT * format)110 static int CUDAAPI cuvid_handle_video_sequence(void *opaque, CUVIDEOFORMAT* format)
111 {
112 AVCodecContext *avctx = opaque;
113 CuvidContext *ctx = avctx->priv_data;
114 AVHWFramesContext *hwframe_ctx = (AVHWFramesContext*)ctx->hwframe->data;
115 CUVIDDECODECAPS *caps = NULL;
116 CUVIDDECODECREATEINFO cuinfo;
117 int surface_fmt;
118 int chroma_444;
119
120 int old_width = avctx->width;
121 int old_height = avctx->height;
122
123 enum AVPixelFormat pix_fmts[3] = { AV_PIX_FMT_CUDA,
124 AV_PIX_FMT_NONE, // Will be updated below
125 AV_PIX_FMT_NONE };
126
127 av_log(avctx, AV_LOG_TRACE, "pfnSequenceCallback, progressive_sequence=%d\n", format->progressive_sequence);
128
129 memset(&cuinfo, 0, sizeof(cuinfo));
130
131 ctx->internal_error = 0;
132
133 avctx->coded_width = cuinfo.ulWidth = format->coded_width;
134 avctx->coded_height = cuinfo.ulHeight = format->coded_height;
135
136 // apply cropping
137 cuinfo.display_area.left = format->display_area.left + ctx->crop.left;
138 cuinfo.display_area.top = format->display_area.top + ctx->crop.top;
139 cuinfo.display_area.right = format->display_area.right - ctx->crop.right;
140 cuinfo.display_area.bottom = format->display_area.bottom - ctx->crop.bottom;
141
142 // width and height need to be set before calling ff_get_format
143 if (ctx->resize_expr) {
144 avctx->width = ctx->resize.width;
145 avctx->height = ctx->resize.height;
146 } else {
147 avctx->width = cuinfo.display_area.right - cuinfo.display_area.left;
148 avctx->height = cuinfo.display_area.bottom - cuinfo.display_area.top;
149 }
150
151 // target width/height need to be multiples of two
152 cuinfo.ulTargetWidth = avctx->width = (avctx->width + 1) & ~1;
153 cuinfo.ulTargetHeight = avctx->height = (avctx->height + 1) & ~1;
154
155 // aspect ratio conversion, 1:1, depends on scaled resolution
156 cuinfo.target_rect.left = 0;
157 cuinfo.target_rect.top = 0;
158 cuinfo.target_rect.right = cuinfo.ulTargetWidth;
159 cuinfo.target_rect.bottom = cuinfo.ulTargetHeight;
160
161 chroma_444 = format->chroma_format == cudaVideoChromaFormat_444;
162
163 switch (format->bit_depth_luma_minus8) {
164 case 0: // 8-bit
165 pix_fmts[1] = chroma_444 ? AV_PIX_FMT_YUV444P : AV_PIX_FMT_NV12;
166 caps = &ctx->caps8;
167 break;
168 case 2: // 10-bit
169 pix_fmts[1] = chroma_444 ? AV_PIX_FMT_YUV444P16 : AV_PIX_FMT_P010;
170 caps = &ctx->caps10;
171 break;
172 case 4: // 12-bit
173 pix_fmts[1] = chroma_444 ? AV_PIX_FMT_YUV444P16 : AV_PIX_FMT_P016;
174 caps = &ctx->caps12;
175 break;
176 default:
177 break;
178 }
179
180 if (!caps || !caps->bIsSupported) {
181 av_log(avctx, AV_LOG_ERROR, "unsupported bit depth: %d\n",
182 format->bit_depth_luma_minus8 + 8);
183 ctx->internal_error = AVERROR(EINVAL);
184 return 0;
185 }
186
187 surface_fmt = ff_get_format(avctx, pix_fmts);
188 if (surface_fmt < 0) {
189 av_log(avctx, AV_LOG_ERROR, "ff_get_format failed: %d\n", surface_fmt);
190 ctx->internal_error = AVERROR(EINVAL);
191 return 0;
192 }
193
194 av_log(avctx, AV_LOG_VERBOSE, "Formats: Original: %s | HW: %s | SW: %s\n",
195 av_get_pix_fmt_name(avctx->pix_fmt),
196 av_get_pix_fmt_name(surface_fmt),
197 av_get_pix_fmt_name(avctx->sw_pix_fmt));
198
199 avctx->pix_fmt = surface_fmt;
200
201 // Update our hwframe ctx, as the get_format callback might have refreshed it!
202 if (avctx->hw_frames_ctx) {
203 av_buffer_unref(&ctx->hwframe);
204
205 ctx->hwframe = av_buffer_ref(avctx->hw_frames_ctx);
206 if (!ctx->hwframe) {
207 ctx->internal_error = AVERROR(ENOMEM);
208 return 0;
209 }
210
211 hwframe_ctx = (AVHWFramesContext*)ctx->hwframe->data;
212 }
213
214 ff_set_sar(avctx, av_div_q(
215 (AVRational){ format->display_aspect_ratio.x, format->display_aspect_ratio.y },
216 (AVRational){ avctx->width, avctx->height }));
217
218 ctx->deint_mode_current = format->progressive_sequence
219 ? cudaVideoDeinterlaceMode_Weave
220 : ctx->deint_mode;
221
222 ctx->progressive_sequence = format->progressive_sequence;
223
224 if (!format->progressive_sequence && ctx->deint_mode_current == cudaVideoDeinterlaceMode_Weave)
225 avctx->flags |= AV_CODEC_FLAG_INTERLACED_DCT;
226 else
227 avctx->flags &= ~AV_CODEC_FLAG_INTERLACED_DCT;
228
229 if (format->video_signal_description.video_full_range_flag)
230 avctx->color_range = AVCOL_RANGE_JPEG;
231 else
232 avctx->color_range = AVCOL_RANGE_MPEG;
233
234 avctx->color_primaries = format->video_signal_description.color_primaries;
235 avctx->color_trc = format->video_signal_description.transfer_characteristics;
236 avctx->colorspace = format->video_signal_description.matrix_coefficients;
237
238 if (format->bitrate)
239 avctx->bit_rate = format->bitrate;
240
241 if (format->frame_rate.numerator && format->frame_rate.denominator) {
242 avctx->framerate.num = format->frame_rate.numerator;
243 avctx->framerate.den = format->frame_rate.denominator;
244 }
245
246 if (ctx->cudecoder
247 && avctx->coded_width == format->coded_width
248 && avctx->coded_height == format->coded_height
249 && avctx->width == old_width
250 && avctx->height == old_height
251 && ctx->chroma_format == format->chroma_format
252 && ctx->codec_type == format->codec)
253 return 1;
254
255 if (ctx->cudecoder) {
256 av_log(avctx, AV_LOG_TRACE, "Re-initializing decoder\n");
257 ctx->internal_error = CHECK_CU(ctx->cvdl->cuvidDestroyDecoder(ctx->cudecoder));
258 if (ctx->internal_error < 0)
259 return 0;
260 ctx->cudecoder = NULL;
261 }
262
263 if (hwframe_ctx->pool && (
264 hwframe_ctx->width < avctx->width ||
265 hwframe_ctx->height < avctx->height ||
266 hwframe_ctx->format != AV_PIX_FMT_CUDA ||
267 hwframe_ctx->sw_format != avctx->sw_pix_fmt)) {
268 av_log(avctx, AV_LOG_ERROR, "AVHWFramesContext is already initialized with incompatible parameters\n");
269 av_log(avctx, AV_LOG_DEBUG, "width: %d <-> %d\n", hwframe_ctx->width, avctx->width);
270 av_log(avctx, AV_LOG_DEBUG, "height: %d <-> %d\n", hwframe_ctx->height, avctx->height);
271 av_log(avctx, AV_LOG_DEBUG, "format: %s <-> cuda\n", av_get_pix_fmt_name(hwframe_ctx->format));
272 av_log(avctx, AV_LOG_DEBUG, "sw_format: %s <-> %s\n",
273 av_get_pix_fmt_name(hwframe_ctx->sw_format), av_get_pix_fmt_name(avctx->sw_pix_fmt));
274 ctx->internal_error = AVERROR(EINVAL);
275 return 0;
276 }
277
278 ctx->chroma_format = format->chroma_format;
279
280 cuinfo.CodecType = ctx->codec_type = format->codec;
281 cuinfo.ChromaFormat = format->chroma_format;
282
283 switch (avctx->sw_pix_fmt) {
284 case AV_PIX_FMT_NV12:
285 cuinfo.OutputFormat = cudaVideoSurfaceFormat_NV12;
286 break;
287 case AV_PIX_FMT_P010:
288 case AV_PIX_FMT_P016:
289 cuinfo.OutputFormat = cudaVideoSurfaceFormat_P016;
290 break;
291 case AV_PIX_FMT_YUV444P:
292 cuinfo.OutputFormat = cudaVideoSurfaceFormat_YUV444;
293 break;
294 case AV_PIX_FMT_YUV444P16:
295 cuinfo.OutputFormat = cudaVideoSurfaceFormat_YUV444_16Bit;
296 break;
297 default:
298 av_log(avctx, AV_LOG_ERROR, "Unsupported output format: %s\n",
299 av_get_pix_fmt_name(avctx->sw_pix_fmt));
300 ctx->internal_error = AVERROR(EINVAL);
301 return 0;
302 }
303
304 cuinfo.ulNumDecodeSurfaces = ctx->nb_surfaces;
305 cuinfo.ulNumOutputSurfaces = 1;
306 cuinfo.ulCreationFlags = cudaVideoCreate_PreferCUVID;
307 cuinfo.bitDepthMinus8 = format->bit_depth_luma_minus8;
308 cuinfo.DeinterlaceMode = ctx->deint_mode_current;
309
310 if (ctx->deint_mode_current != cudaVideoDeinterlaceMode_Weave && !ctx->drop_second_field)
311 avctx->framerate = av_mul_q(avctx->framerate, (AVRational){2, 1});
312
313 ctx->internal_error = CHECK_CU(ctx->cvdl->cuvidCreateDecoder(&ctx->cudecoder, &cuinfo));
314 if (ctx->internal_error < 0)
315 return 0;
316
317 if (!hwframe_ctx->pool) {
318 hwframe_ctx->format = AV_PIX_FMT_CUDA;
319 hwframe_ctx->sw_format = avctx->sw_pix_fmt;
320 hwframe_ctx->width = avctx->width;
321 hwframe_ctx->height = avctx->height;
322
323 if ((ctx->internal_error = av_hwframe_ctx_init(ctx->hwframe)) < 0) {
324 av_log(avctx, AV_LOG_ERROR, "av_hwframe_ctx_init failed\n");
325 return 0;
326 }
327 }
328
329 return 1;
330 }
331
cuvid_handle_picture_decode(void * opaque,CUVIDPICPARAMS * picparams)332 static int CUDAAPI cuvid_handle_picture_decode(void *opaque, CUVIDPICPARAMS* picparams)
333 {
334 AVCodecContext *avctx = opaque;
335 CuvidContext *ctx = avctx->priv_data;
336
337 av_log(avctx, AV_LOG_TRACE, "pfnDecodePicture\n");
338
339 ctx->key_frame[picparams->CurrPicIdx] = picparams->intra_pic_flag;
340
341 ctx->internal_error = CHECK_CU(ctx->cvdl->cuvidDecodePicture(ctx->cudecoder, picparams));
342 if (ctx->internal_error < 0)
343 return 0;
344
345 return 1;
346 }
347
cuvid_handle_picture_display(void * opaque,CUVIDPARSERDISPINFO * dispinfo)348 static int CUDAAPI cuvid_handle_picture_display(void *opaque, CUVIDPARSERDISPINFO* dispinfo)
349 {
350 AVCodecContext *avctx = opaque;
351 CuvidContext *ctx = avctx->priv_data;
352 CuvidParsedFrame parsed_frame = { { 0 } };
353
354 parsed_frame.dispinfo = *dispinfo;
355 ctx->internal_error = 0;
356
357 // For some reason, dispinfo->progressive_frame is sometimes wrong.
358 parsed_frame.dispinfo.progressive_frame = ctx->progressive_sequence;
359
360 if (ctx->deint_mode_current == cudaVideoDeinterlaceMode_Weave) {
361 av_fifo_generic_write(ctx->frame_queue, &parsed_frame, sizeof(CuvidParsedFrame), NULL);
362 } else {
363 parsed_frame.is_deinterlacing = 1;
364 av_fifo_generic_write(ctx->frame_queue, &parsed_frame, sizeof(CuvidParsedFrame), NULL);
365 if (!ctx->drop_second_field) {
366 parsed_frame.second_field = 1;
367 av_fifo_generic_write(ctx->frame_queue, &parsed_frame, sizeof(CuvidParsedFrame), NULL);
368 }
369 }
370
371 return 1;
372 }
373
cuvid_is_buffer_full(AVCodecContext * avctx)374 static int cuvid_is_buffer_full(AVCodecContext *avctx)
375 {
376 CuvidContext *ctx = avctx->priv_data;
377
378 int delay = ctx->cuparseinfo.ulMaxDisplayDelay;
379 if (ctx->deint_mode != cudaVideoDeinterlaceMode_Weave && !ctx->drop_second_field)
380 delay *= 2;
381
382 return (av_fifo_size(ctx->frame_queue) / sizeof(CuvidParsedFrame)) + delay >= ctx->nb_surfaces;
383 }
384
cuvid_decode_packet(AVCodecContext * avctx,const AVPacket * avpkt)385 static int cuvid_decode_packet(AVCodecContext *avctx, const AVPacket *avpkt)
386 {
387 CuvidContext *ctx = avctx->priv_data;
388 AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)ctx->hwdevice->data;
389 AVCUDADeviceContext *device_hwctx = device_ctx->hwctx;
390 CUcontext dummy, cuda_ctx = device_hwctx->cuda_ctx;
391 CUVIDSOURCEDATAPACKET cupkt;
392 int ret = 0, eret = 0, is_flush = ctx->decoder_flushing;
393
394 av_log(avctx, AV_LOG_TRACE, "cuvid_decode_packet\n");
395
396 if (is_flush && avpkt && avpkt->size)
397 return AVERROR_EOF;
398
399 if (cuvid_is_buffer_full(avctx) && avpkt && avpkt->size)
400 return AVERROR(EAGAIN);
401
402 ret = CHECK_CU(ctx->cudl->cuCtxPushCurrent(cuda_ctx));
403 if (ret < 0) {
404 return ret;
405 }
406
407 memset(&cupkt, 0, sizeof(cupkt));
408
409 if (avpkt && avpkt->size) {
410 cupkt.payload_size = avpkt->size;
411 cupkt.payload = avpkt->data;
412
413 if (avpkt->pts != AV_NOPTS_VALUE) {
414 cupkt.flags = CUVID_PKT_TIMESTAMP;
415 if (avctx->pkt_timebase.num && avctx->pkt_timebase.den)
416 cupkt.timestamp = av_rescale_q(avpkt->pts, avctx->pkt_timebase, (AVRational){1, 10000000});
417 else
418 cupkt.timestamp = avpkt->pts;
419 }
420 } else {
421 cupkt.flags = CUVID_PKT_ENDOFSTREAM;
422 ctx->decoder_flushing = 1;
423 }
424
425 ret = CHECK_CU(ctx->cvdl->cuvidParseVideoData(ctx->cuparser, &cupkt));
426
427 if (ret < 0)
428 goto error;
429
430 // cuvidParseVideoData doesn't return an error just because stuff failed...
431 if (ctx->internal_error) {
432 av_log(avctx, AV_LOG_ERROR, "cuvid decode callback error\n");
433 ret = ctx->internal_error;
434 goto error;
435 }
436
437 error:
438 eret = CHECK_CU(ctx->cudl->cuCtxPopCurrent(&dummy));
439
440 if (eret < 0)
441 return eret;
442 else if (ret < 0)
443 return ret;
444 else if (is_flush)
445 return AVERROR_EOF;
446 else
447 return 0;
448 }
449
cuvid_output_frame(AVCodecContext * avctx,AVFrame * frame)450 static int cuvid_output_frame(AVCodecContext *avctx, AVFrame *frame)
451 {
452 CuvidContext *ctx = avctx->priv_data;
453 AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)ctx->hwdevice->data;
454 AVCUDADeviceContext *device_hwctx = device_ctx->hwctx;
455 CUcontext dummy, cuda_ctx = device_hwctx->cuda_ctx;
456 CUdeviceptr mapped_frame = 0;
457 int ret = 0, eret = 0;
458
459 av_log(avctx, AV_LOG_TRACE, "cuvid_output_frame\n");
460
461 if (ctx->decoder_flushing) {
462 ret = cuvid_decode_packet(avctx, NULL);
463 if (ret < 0 && ret != AVERROR_EOF)
464 return ret;
465 }
466
467 if (!cuvid_is_buffer_full(avctx)) {
468 AVPacket pkt = {0};
469 ret = ff_decode_get_packet(avctx, &pkt);
470 if (ret < 0 && ret != AVERROR_EOF)
471 return ret;
472 ret = cuvid_decode_packet(avctx, &pkt);
473 av_packet_unref(&pkt);
474 // cuvid_is_buffer_full() should avoid this.
475 if (ret == AVERROR(EAGAIN))
476 ret = AVERROR_EXTERNAL;
477 if (ret < 0 && ret != AVERROR_EOF)
478 return ret;
479 }
480
481 ret = CHECK_CU(ctx->cudl->cuCtxPushCurrent(cuda_ctx));
482 if (ret < 0)
483 return ret;
484
485 if (av_fifo_size(ctx->frame_queue)) {
486 const AVPixFmtDescriptor *pixdesc;
487 CuvidParsedFrame parsed_frame;
488 CUVIDPROCPARAMS params;
489 unsigned int pitch = 0;
490 int offset = 0;
491 int i;
492
493 av_fifo_generic_read(ctx->frame_queue, &parsed_frame, sizeof(CuvidParsedFrame), NULL);
494
495 memset(¶ms, 0, sizeof(params));
496 params.progressive_frame = parsed_frame.dispinfo.progressive_frame;
497 params.second_field = parsed_frame.second_field;
498 params.top_field_first = parsed_frame.dispinfo.top_field_first;
499
500 ret = CHECK_CU(ctx->cvdl->cuvidMapVideoFrame(ctx->cudecoder, parsed_frame.dispinfo.picture_index, &mapped_frame, &pitch, ¶ms));
501 if (ret < 0)
502 goto error;
503
504 if (avctx->pix_fmt == AV_PIX_FMT_CUDA) {
505 ret = av_hwframe_get_buffer(ctx->hwframe, frame, 0);
506 if (ret < 0) {
507 av_log(avctx, AV_LOG_ERROR, "av_hwframe_get_buffer failed\n");
508 goto error;
509 }
510
511 ret = ff_decode_frame_props(avctx, frame);
512 if (ret < 0) {
513 av_log(avctx, AV_LOG_ERROR, "ff_decode_frame_props failed\n");
514 goto error;
515 }
516
517 pixdesc = av_pix_fmt_desc_get(avctx->sw_pix_fmt);
518
519 for (i = 0; i < pixdesc->nb_components; i++) {
520 int height = avctx->height >> (i ? pixdesc->log2_chroma_h : 0);
521 CUDA_MEMCPY2D cpy = {
522 .srcMemoryType = CU_MEMORYTYPE_DEVICE,
523 .dstMemoryType = CU_MEMORYTYPE_DEVICE,
524 .srcDevice = mapped_frame,
525 .dstDevice = (CUdeviceptr)frame->data[i],
526 .srcPitch = pitch,
527 .dstPitch = frame->linesize[i],
528 .srcY = offset,
529 .WidthInBytes = FFMIN(pitch, frame->linesize[i]),
530 .Height = height,
531 };
532
533 ret = CHECK_CU(ctx->cudl->cuMemcpy2DAsync(&cpy, device_hwctx->stream));
534 if (ret < 0)
535 goto error;
536
537 offset += height;
538 }
539 } else if (avctx->pix_fmt == AV_PIX_FMT_NV12 ||
540 avctx->pix_fmt == AV_PIX_FMT_P010 ||
541 avctx->pix_fmt == AV_PIX_FMT_P016 ||
542 avctx->pix_fmt == AV_PIX_FMT_YUV444P ||
543 avctx->pix_fmt == AV_PIX_FMT_YUV444P16) {
544 unsigned int offset = 0;
545 AVFrame *tmp_frame = av_frame_alloc();
546 if (!tmp_frame) {
547 av_log(avctx, AV_LOG_ERROR, "av_frame_alloc failed\n");
548 ret = AVERROR(ENOMEM);
549 goto error;
550 }
551
552 pixdesc = av_pix_fmt_desc_get(avctx->sw_pix_fmt);
553
554 tmp_frame->format = AV_PIX_FMT_CUDA;
555 tmp_frame->hw_frames_ctx = av_buffer_ref(ctx->hwframe);
556 if (!tmp_frame->hw_frames_ctx) {
557 ret = AVERROR(ENOMEM);
558 av_frame_free(&tmp_frame);
559 goto error;
560 }
561
562 tmp_frame->width = avctx->width;
563 tmp_frame->height = avctx->height;
564
565 /*
566 * Note that the following logic would not work for three plane
567 * YUV420 because the pitch value is different for the chroma
568 * planes.
569 */
570 for (i = 0; i < pixdesc->nb_components; i++) {
571 tmp_frame->data[i] = (uint8_t*)mapped_frame + offset;
572 tmp_frame->linesize[i] = pitch;
573 offset += pitch * (avctx->height >> (i ? pixdesc->log2_chroma_h : 0));
574 }
575
576 ret = ff_get_buffer(avctx, frame, 0);
577 if (ret < 0) {
578 av_log(avctx, AV_LOG_ERROR, "ff_get_buffer failed\n");
579 av_frame_free(&tmp_frame);
580 goto error;
581 }
582
583 ret = av_hwframe_transfer_data(frame, tmp_frame, 0);
584 if (ret) {
585 av_log(avctx, AV_LOG_ERROR, "av_hwframe_transfer_data failed\n");
586 av_frame_free(&tmp_frame);
587 goto error;
588 }
589 av_frame_free(&tmp_frame);
590 } else {
591 ret = AVERROR_BUG;
592 goto error;
593 }
594
595 frame->key_frame = ctx->key_frame[parsed_frame.dispinfo.picture_index];
596 frame->width = avctx->width;
597 frame->height = avctx->height;
598 if (avctx->pkt_timebase.num && avctx->pkt_timebase.den)
599 frame->pts = av_rescale_q(parsed_frame.dispinfo.timestamp, (AVRational){1, 10000000}, avctx->pkt_timebase);
600 else
601 frame->pts = parsed_frame.dispinfo.timestamp;
602
603 if (parsed_frame.second_field) {
604 if (ctx->prev_pts == INT64_MIN) {
605 ctx->prev_pts = frame->pts;
606 frame->pts += (avctx->pkt_timebase.den * avctx->framerate.den) / (avctx->pkt_timebase.num * avctx->framerate.num);
607 } else {
608 int pts_diff = (frame->pts - ctx->prev_pts) / 2;
609 ctx->prev_pts = frame->pts;
610 frame->pts += pts_diff;
611 }
612 }
613
614 /* CUVIDs opaque reordering breaks the internal pkt logic.
615 * So set pkt_pts and clear all the other pkt_ fields.
616 */
617 #if FF_API_PKT_PTS
618 FF_DISABLE_DEPRECATION_WARNINGS
619 frame->pkt_pts = frame->pts;
620 FF_ENABLE_DEPRECATION_WARNINGS
621 #endif
622 frame->pkt_pos = -1;
623 frame->pkt_duration = 0;
624 frame->pkt_size = -1;
625
626 frame->interlaced_frame = !parsed_frame.is_deinterlacing && !parsed_frame.dispinfo.progressive_frame;
627
628 if (frame->interlaced_frame)
629 frame->top_field_first = parsed_frame.dispinfo.top_field_first;
630 } else if (ctx->decoder_flushing) {
631 ret = AVERROR_EOF;
632 } else {
633 ret = AVERROR(EAGAIN);
634 }
635
636 error:
637 if (ret < 0)
638 av_frame_unref(frame);
639
640 if (mapped_frame)
641 eret = CHECK_CU(ctx->cvdl->cuvidUnmapVideoFrame(ctx->cudecoder, mapped_frame));
642
643 eret = CHECK_CU(ctx->cudl->cuCtxPopCurrent(&dummy));
644
645 if (eret < 0)
646 return eret;
647 else
648 return ret;
649 }
650
cuvid_decode_frame(AVCodecContext * avctx,void * data,int * got_frame,AVPacket * avpkt)651 static int cuvid_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
652 {
653 CuvidContext *ctx = avctx->priv_data;
654 AVFrame *frame = data;
655 int ret = 0;
656
657 av_log(avctx, AV_LOG_TRACE, "cuvid_decode_frame\n");
658
659 if (ctx->deint_mode_current != cudaVideoDeinterlaceMode_Weave) {
660 av_log(avctx, AV_LOG_ERROR, "Deinterlacing is not supported via the old API\n");
661 return AVERROR(EINVAL);
662 }
663
664 if (!ctx->decoder_flushing) {
665 ret = cuvid_decode_packet(avctx, avpkt);
666 if (ret < 0)
667 return ret;
668 }
669
670 ret = cuvid_output_frame(avctx, frame);
671 if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF) {
672 *got_frame = 0;
673 } else if (ret < 0) {
674 return ret;
675 } else {
676 *got_frame = 1;
677 }
678
679 return 0;
680 }
681
cuvid_decode_end(AVCodecContext * avctx)682 static av_cold int cuvid_decode_end(AVCodecContext *avctx)
683 {
684 CuvidContext *ctx = avctx->priv_data;
685 AVHWDeviceContext *device_ctx = (AVHWDeviceContext *)ctx->hwdevice->data;
686 AVCUDADeviceContext *device_hwctx = device_ctx->hwctx;
687 CUcontext dummy, cuda_ctx = device_hwctx->cuda_ctx;
688
689 av_fifo_freep(&ctx->frame_queue);
690
691 ctx->cudl->cuCtxPushCurrent(cuda_ctx);
692
693 if (ctx->cuparser)
694 ctx->cvdl->cuvidDestroyVideoParser(ctx->cuparser);
695
696 if (ctx->cudecoder)
697 ctx->cvdl->cuvidDestroyDecoder(ctx->cudecoder);
698
699 ctx->cudl->cuCtxPopCurrent(&dummy);
700
701 ctx->cudl = NULL;
702
703 av_buffer_unref(&ctx->hwframe);
704 av_buffer_unref(&ctx->hwdevice);
705
706 av_freep(&ctx->key_frame);
707 av_freep(&ctx->cuparse_ext);
708
709 cuvid_free_functions(&ctx->cvdl);
710
711 return 0;
712 }
713
cuvid_test_capabilities(AVCodecContext * avctx,const CUVIDPARSERPARAMS * cuparseinfo,int probed_width,int probed_height,int bit_depth)714 static int cuvid_test_capabilities(AVCodecContext *avctx,
715 const CUVIDPARSERPARAMS *cuparseinfo,
716 int probed_width,
717 int probed_height,
718 int bit_depth)
719 {
720 CuvidContext *ctx = avctx->priv_data;
721 CUVIDDECODECAPS *caps;
722 int res8 = 0, res10 = 0, res12 = 0;
723
724 if (!ctx->cvdl->cuvidGetDecoderCaps) {
725 av_log(avctx, AV_LOG_WARNING, "Used Nvidia driver is too old to perform a capability check.\n");
726 av_log(avctx, AV_LOG_WARNING, "The minimum required version is "
727 #if defined(_WIN32) || defined(__CYGWIN__)
728 "378.66"
729 #else
730 "378.13"
731 #endif
732 ". Continuing blind.\n");
733 ctx->caps8.bIsSupported = ctx->caps10.bIsSupported = 1;
734 // 12 bit was not supported before the capability check was introduced, so disable it.
735 ctx->caps12.bIsSupported = 0;
736 return 0;
737 }
738
739 ctx->caps8.eCodecType = ctx->caps10.eCodecType = ctx->caps12.eCodecType
740 = cuparseinfo->CodecType;
741 ctx->caps8.eChromaFormat = ctx->caps10.eChromaFormat = ctx->caps12.eChromaFormat
742 = cudaVideoChromaFormat_420;
743
744 ctx->caps8.nBitDepthMinus8 = 0;
745 ctx->caps10.nBitDepthMinus8 = 2;
746 ctx->caps12.nBitDepthMinus8 = 4;
747
748 res8 = CHECK_CU(ctx->cvdl->cuvidGetDecoderCaps(&ctx->caps8));
749 res10 = CHECK_CU(ctx->cvdl->cuvidGetDecoderCaps(&ctx->caps10));
750 res12 = CHECK_CU(ctx->cvdl->cuvidGetDecoderCaps(&ctx->caps12));
751
752 av_log(avctx, AV_LOG_VERBOSE, "CUVID capabilities for %s:\n", avctx->codec->name);
753 av_log(avctx, AV_LOG_VERBOSE, "8 bit: supported: %d, min_width: %d, max_width: %d, min_height: %d, max_height: %d\n",
754 ctx->caps8.bIsSupported, ctx->caps8.nMinWidth, ctx->caps8.nMaxWidth, ctx->caps8.nMinHeight, ctx->caps8.nMaxHeight);
755 av_log(avctx, AV_LOG_VERBOSE, "10 bit: supported: %d, min_width: %d, max_width: %d, min_height: %d, max_height: %d\n",
756 ctx->caps10.bIsSupported, ctx->caps10.nMinWidth, ctx->caps10.nMaxWidth, ctx->caps10.nMinHeight, ctx->caps10.nMaxHeight);
757 av_log(avctx, AV_LOG_VERBOSE, "12 bit: supported: %d, min_width: %d, max_width: %d, min_height: %d, max_height: %d\n",
758 ctx->caps12.bIsSupported, ctx->caps12.nMinWidth, ctx->caps12.nMaxWidth, ctx->caps12.nMinHeight, ctx->caps12.nMaxHeight);
759
760 switch (bit_depth) {
761 case 10:
762 caps = &ctx->caps10;
763 if (res10 < 0)
764 return res10;
765 break;
766 case 12:
767 caps = &ctx->caps12;
768 if (res12 < 0)
769 return res12;
770 break;
771 default:
772 caps = &ctx->caps8;
773 if (res8 < 0)
774 return res8;
775 }
776
777 if (!ctx->caps8.bIsSupported) {
778 av_log(avctx, AV_LOG_ERROR, "Codec %s is not supported.\n", avctx->codec->name);
779 return AVERROR(EINVAL);
780 }
781
782 if (!caps->bIsSupported) {
783 av_log(avctx, AV_LOG_ERROR, "Bit depth %d is not supported.\n", bit_depth);
784 return AVERROR(EINVAL);
785 }
786
787 if (probed_width > caps->nMaxWidth || probed_width < caps->nMinWidth) {
788 av_log(avctx, AV_LOG_ERROR, "Video width %d not within range from %d to %d\n",
789 probed_width, caps->nMinWidth, caps->nMaxWidth);
790 return AVERROR(EINVAL);
791 }
792
793 if (probed_height > caps->nMaxHeight || probed_height < caps->nMinHeight) {
794 av_log(avctx, AV_LOG_ERROR, "Video height %d not within range from %d to %d\n",
795 probed_height, caps->nMinHeight, caps->nMaxHeight);
796 return AVERROR(EINVAL);
797 }
798
799 if ((probed_width * probed_height) / 256 > caps->nMaxMBCount) {
800 av_log(avctx, AV_LOG_ERROR, "Video macroblock count %d exceeds maximum of %d\n",
801 (int)(probed_width * probed_height) / 256, caps->nMaxMBCount);
802 return AVERROR(EINVAL);
803 }
804
805 return 0;
806 }
807
cuvid_decode_init(AVCodecContext * avctx)808 static av_cold int cuvid_decode_init(AVCodecContext *avctx)
809 {
810 CuvidContext *ctx = avctx->priv_data;
811 AVCUDADeviceContext *device_hwctx;
812 AVHWDeviceContext *device_ctx;
813 AVHWFramesContext *hwframe_ctx;
814 CUVIDSOURCEDATAPACKET seq_pkt;
815 CUcontext cuda_ctx = NULL;
816 CUcontext dummy;
817 uint8_t *extradata;
818 int extradata_size;
819 int ret = 0;
820
821 enum AVPixelFormat pix_fmts[3] = { AV_PIX_FMT_CUDA,
822 AV_PIX_FMT_NV12,
823 AV_PIX_FMT_NONE };
824
825 int probed_width = avctx->coded_width ? avctx->coded_width : 1280;
826 int probed_height = avctx->coded_height ? avctx->coded_height : 720;
827 int probed_bit_depth = 8;
828
829 const AVPixFmtDescriptor *probe_desc = av_pix_fmt_desc_get(avctx->pix_fmt);
830 if (probe_desc && probe_desc->nb_components)
831 probed_bit_depth = probe_desc->comp[0].depth;
832
833 // Accelerated transcoding scenarios with 'ffmpeg' require that the
834 // pix_fmt be set to AV_PIX_FMT_CUDA early. The sw_pix_fmt, and the
835 // pix_fmt for non-accelerated transcoding, do not need to be correct
836 // but need to be set to something. We arbitrarily pick NV12.
837 ret = ff_get_format(avctx, pix_fmts);
838 if (ret < 0) {
839 av_log(avctx, AV_LOG_ERROR, "ff_get_format failed: %d\n", ret);
840 return ret;
841 }
842 avctx->pix_fmt = ret;
843
844 if (ctx->resize_expr && sscanf(ctx->resize_expr, "%dx%d",
845 &ctx->resize.width, &ctx->resize.height) != 2) {
846 av_log(avctx, AV_LOG_ERROR, "Invalid resize expressions\n");
847 ret = AVERROR(EINVAL);
848 goto error;
849 }
850
851 if (ctx->crop_expr && sscanf(ctx->crop_expr, "%dx%dx%dx%d",
852 &ctx->crop.top, &ctx->crop.bottom,
853 &ctx->crop.left, &ctx->crop.right) != 4) {
854 av_log(avctx, AV_LOG_ERROR, "Invalid cropping expressions\n");
855 ret = AVERROR(EINVAL);
856 goto error;
857 }
858
859 ret = cuvid_load_functions(&ctx->cvdl, avctx);
860 if (ret < 0) {
861 av_log(avctx, AV_LOG_ERROR, "Failed loading nvcuvid.\n");
862 goto error;
863 }
864
865 ctx->frame_queue = av_fifo_alloc(ctx->nb_surfaces * sizeof(CuvidParsedFrame));
866 if (!ctx->frame_queue) {
867 ret = AVERROR(ENOMEM);
868 goto error;
869 }
870
871 if (avctx->hw_frames_ctx) {
872 ctx->hwframe = av_buffer_ref(avctx->hw_frames_ctx);
873 if (!ctx->hwframe) {
874 ret = AVERROR(ENOMEM);
875 goto error;
876 }
877
878 hwframe_ctx = (AVHWFramesContext*)ctx->hwframe->data;
879
880 ctx->hwdevice = av_buffer_ref(hwframe_ctx->device_ref);
881 if (!ctx->hwdevice) {
882 ret = AVERROR(ENOMEM);
883 goto error;
884 }
885 } else {
886 if (avctx->hw_device_ctx) {
887 ctx->hwdevice = av_buffer_ref(avctx->hw_device_ctx);
888 if (!ctx->hwdevice) {
889 ret = AVERROR(ENOMEM);
890 goto error;
891 }
892 } else {
893 ret = av_hwdevice_ctx_create(&ctx->hwdevice, AV_HWDEVICE_TYPE_CUDA, ctx->cu_gpu, NULL, 0);
894 if (ret < 0)
895 goto error;
896 }
897
898 ctx->hwframe = av_hwframe_ctx_alloc(ctx->hwdevice);
899 if (!ctx->hwframe) {
900 av_log(avctx, AV_LOG_ERROR, "av_hwframe_ctx_alloc failed\n");
901 ret = AVERROR(ENOMEM);
902 goto error;
903 }
904
905 hwframe_ctx = (AVHWFramesContext*)ctx->hwframe->data;
906 }
907
908 device_ctx = hwframe_ctx->device_ctx;
909 device_hwctx = device_ctx->hwctx;
910
911 cuda_ctx = device_hwctx->cuda_ctx;
912 ctx->cudl = device_hwctx->internal->cuda_dl;
913
914 memset(&ctx->cuparseinfo, 0, sizeof(ctx->cuparseinfo));
915 memset(&seq_pkt, 0, sizeof(seq_pkt));
916
917 switch (avctx->codec->id) {
918 #if CONFIG_H264_CUVID_DECODER
919 case AV_CODEC_ID_H264:
920 ctx->cuparseinfo.CodecType = cudaVideoCodec_H264;
921 break;
922 #endif
923 #if CONFIG_HEVC_CUVID_DECODER
924 case AV_CODEC_ID_HEVC:
925 ctx->cuparseinfo.CodecType = cudaVideoCodec_HEVC;
926 break;
927 #endif
928 #if CONFIG_MJPEG_CUVID_DECODER
929 case AV_CODEC_ID_MJPEG:
930 ctx->cuparseinfo.CodecType = cudaVideoCodec_JPEG;
931 break;
932 #endif
933 #if CONFIG_MPEG1_CUVID_DECODER
934 case AV_CODEC_ID_MPEG1VIDEO:
935 ctx->cuparseinfo.CodecType = cudaVideoCodec_MPEG1;
936 break;
937 #endif
938 #if CONFIG_MPEG2_CUVID_DECODER
939 case AV_CODEC_ID_MPEG2VIDEO:
940 ctx->cuparseinfo.CodecType = cudaVideoCodec_MPEG2;
941 break;
942 #endif
943 #if CONFIG_MPEG4_CUVID_DECODER
944 case AV_CODEC_ID_MPEG4:
945 ctx->cuparseinfo.CodecType = cudaVideoCodec_MPEG4;
946 break;
947 #endif
948 #if CONFIG_VP8_CUVID_DECODER
949 case AV_CODEC_ID_VP8:
950 ctx->cuparseinfo.CodecType = cudaVideoCodec_VP8;
951 break;
952 #endif
953 #if CONFIG_VP9_CUVID_DECODER
954 case AV_CODEC_ID_VP9:
955 ctx->cuparseinfo.CodecType = cudaVideoCodec_VP9;
956 break;
957 #endif
958 #if CONFIG_VC1_CUVID_DECODER
959 case AV_CODEC_ID_VC1:
960 ctx->cuparseinfo.CodecType = cudaVideoCodec_VC1;
961 break;
962 #endif
963 #if CONFIG_AV1_CUVID_DECODER && defined(CUVID_HAS_AV1_SUPPORT)
964 case AV_CODEC_ID_AV1:
965 ctx->cuparseinfo.CodecType = cudaVideoCodec_AV1;
966 break;
967 #endif
968 default:
969 av_log(avctx, AV_LOG_ERROR, "Invalid CUVID codec!\n");
970 return AVERROR_BUG;
971 }
972
973 if (avctx->codec->bsfs) {
974 const AVCodecParameters *par = avctx->internal->bsf->par_out;
975 extradata = par->extradata;
976 extradata_size = par->extradata_size;
977 } else {
978 extradata = avctx->extradata;
979 extradata_size = avctx->extradata_size;
980 }
981
982 ctx->cuparse_ext = av_mallocz(sizeof(*ctx->cuparse_ext)
983 + FFMAX(extradata_size - (int)sizeof(ctx->cuparse_ext->raw_seqhdr_data), 0));
984 if (!ctx->cuparse_ext) {
985 ret = AVERROR(ENOMEM);
986 goto error;
987 }
988
989 if (extradata_size > 0)
990 memcpy(ctx->cuparse_ext->raw_seqhdr_data, extradata, extradata_size);
991 ctx->cuparse_ext->format.seqhdr_data_length = extradata_size;
992
993 ctx->cuparseinfo.pExtVideoInfo = ctx->cuparse_ext;
994
995 ctx->key_frame = av_mallocz(ctx->nb_surfaces * sizeof(int));
996 if (!ctx->key_frame) {
997 ret = AVERROR(ENOMEM);
998 goto error;
999 }
1000
1001 ctx->cuparseinfo.ulMaxNumDecodeSurfaces = ctx->nb_surfaces;
1002 ctx->cuparseinfo.ulMaxDisplayDelay = (avctx->flags & AV_CODEC_FLAG_LOW_DELAY) ? 0 : 4;
1003 ctx->cuparseinfo.pUserData = avctx;
1004 ctx->cuparseinfo.pfnSequenceCallback = cuvid_handle_video_sequence;
1005 ctx->cuparseinfo.pfnDecodePicture = cuvid_handle_picture_decode;
1006 ctx->cuparseinfo.pfnDisplayPicture = cuvid_handle_picture_display;
1007
1008 ret = CHECK_CU(ctx->cudl->cuCtxPushCurrent(cuda_ctx));
1009 if (ret < 0)
1010 goto error;
1011
1012 ret = cuvid_test_capabilities(avctx, &ctx->cuparseinfo,
1013 probed_width,
1014 probed_height,
1015 probed_bit_depth);
1016 if (ret < 0)
1017 goto error;
1018
1019 ret = CHECK_CU(ctx->cvdl->cuvidCreateVideoParser(&ctx->cuparser, &ctx->cuparseinfo));
1020 if (ret < 0)
1021 goto error;
1022
1023 seq_pkt.payload = ctx->cuparse_ext->raw_seqhdr_data;
1024 seq_pkt.payload_size = ctx->cuparse_ext->format.seqhdr_data_length;
1025
1026 if (seq_pkt.payload && seq_pkt.payload_size) {
1027 ret = CHECK_CU(ctx->cvdl->cuvidParseVideoData(ctx->cuparser, &seq_pkt));
1028 if (ret < 0)
1029 goto error;
1030 }
1031
1032 ret = CHECK_CU(ctx->cudl->cuCtxPopCurrent(&dummy));
1033 if (ret < 0)
1034 goto error;
1035
1036 ctx->prev_pts = INT64_MIN;
1037
1038 if (!avctx->pkt_timebase.num || !avctx->pkt_timebase.den)
1039 av_log(avctx, AV_LOG_WARNING, "Invalid pkt_timebase, passing timestamps as-is.\n");
1040
1041 return 0;
1042
1043 error:
1044 cuvid_decode_end(avctx);
1045 return ret;
1046 }
1047
cuvid_flush(AVCodecContext * avctx)1048 static void cuvid_flush(AVCodecContext *avctx)
1049 {
1050 CuvidContext *ctx = avctx->priv_data;
1051 AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)ctx->hwdevice->data;
1052 AVCUDADeviceContext *device_hwctx = device_ctx->hwctx;
1053 CUcontext dummy, cuda_ctx = device_hwctx->cuda_ctx;
1054 CUVIDSOURCEDATAPACKET seq_pkt = { 0 };
1055 int ret;
1056
1057 ret = CHECK_CU(ctx->cudl->cuCtxPushCurrent(cuda_ctx));
1058 if (ret < 0)
1059 goto error;
1060
1061 av_fifo_freep(&ctx->frame_queue);
1062
1063 ctx->frame_queue = av_fifo_alloc(ctx->nb_surfaces * sizeof(CuvidParsedFrame));
1064 if (!ctx->frame_queue) {
1065 av_log(avctx, AV_LOG_ERROR, "Failed to recreate frame queue on flush\n");
1066 return;
1067 }
1068
1069 if (ctx->cudecoder) {
1070 ctx->cvdl->cuvidDestroyDecoder(ctx->cudecoder);
1071 ctx->cudecoder = NULL;
1072 }
1073
1074 if (ctx->cuparser) {
1075 ctx->cvdl->cuvidDestroyVideoParser(ctx->cuparser);
1076 ctx->cuparser = NULL;
1077 }
1078
1079 ret = CHECK_CU(ctx->cvdl->cuvidCreateVideoParser(&ctx->cuparser, &ctx->cuparseinfo));
1080 if (ret < 0)
1081 goto error;
1082
1083 seq_pkt.payload = ctx->cuparse_ext->raw_seqhdr_data;
1084 seq_pkt.payload_size = ctx->cuparse_ext->format.seqhdr_data_length;
1085
1086 if (seq_pkt.payload && seq_pkt.payload_size) {
1087 ret = CHECK_CU(ctx->cvdl->cuvidParseVideoData(ctx->cuparser, &seq_pkt));
1088 if (ret < 0)
1089 goto error;
1090 }
1091
1092 ret = CHECK_CU(ctx->cudl->cuCtxPopCurrent(&dummy));
1093 if (ret < 0)
1094 goto error;
1095
1096 ctx->prev_pts = INT64_MIN;
1097 ctx->decoder_flushing = 0;
1098
1099 return;
1100 error:
1101 av_log(avctx, AV_LOG_ERROR, "CUDA reinit on flush failed\n");
1102 }
1103
1104 #define OFFSET(x) offsetof(CuvidContext, x)
1105 #define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
1106 static const AVOption options[] = {
1107 { "deint", "Set deinterlacing mode", OFFSET(deint_mode), AV_OPT_TYPE_INT, { .i64 = cudaVideoDeinterlaceMode_Weave }, cudaVideoDeinterlaceMode_Weave, cudaVideoDeinterlaceMode_Adaptive, VD, "deint" },
1108 { "weave", "Weave deinterlacing (do nothing)", 0, AV_OPT_TYPE_CONST, { .i64 = cudaVideoDeinterlaceMode_Weave }, 0, 0, VD, "deint" },
1109 { "bob", "Bob deinterlacing", 0, AV_OPT_TYPE_CONST, { .i64 = cudaVideoDeinterlaceMode_Bob }, 0, 0, VD, "deint" },
1110 { "adaptive", "Adaptive deinterlacing", 0, AV_OPT_TYPE_CONST, { .i64 = cudaVideoDeinterlaceMode_Adaptive }, 0, 0, VD, "deint" },
1111 { "gpu", "GPU to be used for decoding", OFFSET(cu_gpu), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VD },
1112 { "surfaces", "Maximum surfaces to be used for decoding", OFFSET(nb_surfaces), AV_OPT_TYPE_INT, { .i64 = 25 }, 0, INT_MAX, VD },
1113 { "drop_second_field", "Drop second field when deinterlacing", OFFSET(drop_second_field), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VD },
1114 { "crop", "Crop (top)x(bottom)x(left)x(right)", OFFSET(crop_expr), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VD },
1115 { "resize", "Resize (width)x(height)", OFFSET(resize_expr), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VD },
1116 { NULL }
1117 };
1118
1119 static const AVCodecHWConfigInternal *const cuvid_hw_configs[] = {
1120 &(const AVCodecHWConfigInternal) {
1121 .public = {
1122 .pix_fmt = AV_PIX_FMT_CUDA,
1123 .methods = AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX |
1124 AV_CODEC_HW_CONFIG_METHOD_INTERNAL,
1125 .device_type = AV_HWDEVICE_TYPE_CUDA
1126 },
1127 .hwaccel = NULL,
1128 },
1129 NULL
1130 };
1131
1132 #define DEFINE_CUVID_CODEC(x, X, bsf_name) \
1133 static const AVClass x##_cuvid_class = { \
1134 .class_name = #x "_cuvid", \
1135 .item_name = av_default_item_name, \
1136 .option = options, \
1137 .version = LIBAVUTIL_VERSION_INT, \
1138 }; \
1139 AVCodec ff_##x##_cuvid_decoder = { \
1140 .name = #x "_cuvid", \
1141 .long_name = NULL_IF_CONFIG_SMALL("Nvidia CUVID " #X " decoder"), \
1142 .type = AVMEDIA_TYPE_VIDEO, \
1143 .id = AV_CODEC_ID_##X, \
1144 .priv_data_size = sizeof(CuvidContext), \
1145 .priv_class = &x##_cuvid_class, \
1146 .init = cuvid_decode_init, \
1147 .close = cuvid_decode_end, \
1148 .decode = cuvid_decode_frame, \
1149 .receive_frame = cuvid_output_frame, \
1150 .flush = cuvid_flush, \
1151 .bsfs = bsf_name, \
1152 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AVOID_PROBING | AV_CODEC_CAP_HARDWARE, \
1153 .caps_internal = FF_CODEC_CAP_SETS_FRAME_PROPS, \
1154 .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_CUDA, \
1155 AV_PIX_FMT_NV12, \
1156 AV_PIX_FMT_P010, \
1157 AV_PIX_FMT_P016, \
1158 AV_PIX_FMT_NONE }, \
1159 .hw_configs = cuvid_hw_configs, \
1160 .wrapper_name = "cuvid", \
1161 };
1162
1163 #if CONFIG_AV1_CUVID_DECODER && defined(CUVID_HAS_AV1_SUPPORT)
1164 DEFINE_CUVID_CODEC(av1, AV1, NULL)
1165 #endif
1166
1167 #if CONFIG_HEVC_CUVID_DECODER
1168 DEFINE_CUVID_CODEC(hevc, HEVC, "hevc_mp4toannexb")
1169 #endif
1170
1171 #if CONFIG_H264_CUVID_DECODER
1172 DEFINE_CUVID_CODEC(h264, H264, "h264_mp4toannexb")
1173 #endif
1174
1175 #if CONFIG_MJPEG_CUVID_DECODER
1176 DEFINE_CUVID_CODEC(mjpeg, MJPEG, NULL)
1177 #endif
1178
1179 #if CONFIG_MPEG1_CUVID_DECODER
1180 DEFINE_CUVID_CODEC(mpeg1, MPEG1VIDEO, NULL)
1181 #endif
1182
1183 #if CONFIG_MPEG2_CUVID_DECODER
1184 DEFINE_CUVID_CODEC(mpeg2, MPEG2VIDEO, NULL)
1185 #endif
1186
1187 #if CONFIG_MPEG4_CUVID_DECODER
1188 DEFINE_CUVID_CODEC(mpeg4, MPEG4, NULL)
1189 #endif
1190
1191 #if CONFIG_VP8_CUVID_DECODER
1192 DEFINE_CUVID_CODEC(vp8, VP8, NULL)
1193 #endif
1194
1195 #if CONFIG_VP9_CUVID_DECODER
1196 DEFINE_CUVID_CODEC(vp9, VP9, NULL)
1197 #endif
1198
1199 #if CONFIG_VC1_CUVID_DECODER
1200 DEFINE_CUVID_CODEC(vc1, VC1, NULL)
1201 #endif
1202