| /* |
| * Nvidia CUVID decoder |
| * Copyright (c) 2016 Timo Rothenpieler <timo@rothenpieler.org> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "libavutil/buffer.h" |
| #include "libavutil/mathematics.h" |
| #include "libavutil/hwcontext.h" |
| #include "libavutil/hwcontext_cuda.h" |
| #include "libavutil/fifo.h" |
| #include "libavutil/log.h" |
| #include "libavutil/opt.h" |
| |
| #include "avcodec.h" |
| #include "internal.h" |
| |
| #include "compat/cuda/nvcuvid.h" |
| |
| #define MAX_FRAME_COUNT 25 |
| |
| typedef struct CuvidContext |
| { |
| AVClass *avclass; |
| |
| CUvideodecoder cudecoder; |
| CUvideoparser cuparser; |
| |
| char *cu_gpu; |
| |
| AVBufferRef *hwdevice; |
| AVBufferRef *hwframe; |
| |
| AVBSFContext *bsf; |
| |
| AVFifoBuffer *frame_queue; |
| |
| int deint_mode; |
| int64_t prev_pts; |
| |
| int internal_error; |
| int decoder_flushing; |
| |
| cudaVideoCodec codec_type; |
| cudaVideoChromaFormat chroma_format; |
| |
| CUVIDPARSERPARAMS cuparseinfo; |
| CUVIDEOFORMATEX cuparse_ext; |
| } CuvidContext; |
| |
| typedef struct CuvidParsedFrame |
| { |
| CUVIDPARSERDISPINFO dispinfo; |
| int second_field; |
| int is_deinterlacing; |
| } CuvidParsedFrame; |
| |
| static int check_cu(AVCodecContext *avctx, CUresult err, const char *func) |
| { |
| const char *err_name; |
| const char *err_string; |
| |
| av_log(avctx, AV_LOG_TRACE, "Calling %s\n", func); |
| |
| if (err == CUDA_SUCCESS) |
| return 0; |
| |
| cuGetErrorName(err, &err_name); |
| cuGetErrorString(err, &err_string); |
| |
| av_log(avctx, AV_LOG_ERROR, "%s failed", func); |
| if (err_name && err_string) |
| av_log(avctx, AV_LOG_ERROR, " -> %s: %s", err_name, err_string); |
| av_log(avctx, AV_LOG_ERROR, "\n"); |
| |
| return AVERROR_EXTERNAL; |
| } |
| |
| #define CHECK_CU(x) check_cu(avctx, (x), #x) |
| |
| static int CUDAAPI cuvid_handle_video_sequence(void *opaque, CUVIDEOFORMAT* format) |
| { |
| AVCodecContext *avctx = opaque; |
| CuvidContext *ctx = avctx->priv_data; |
| AVHWFramesContext *hwframe_ctx = (AVHWFramesContext*)ctx->hwframe->data; |
| CUVIDDECODECREATEINFO cuinfo; |
| |
| av_log(avctx, AV_LOG_TRACE, "pfnSequenceCallback, progressive_sequence=%d\n", format->progressive_sequence); |
| |
| ctx->internal_error = 0; |
| |
| avctx->width = format->display_area.right; |
| avctx->height = format->display_area.bottom; |
| |
| ff_set_sar(avctx, av_div_q( |
| (AVRational){ format->display_aspect_ratio.x, format->display_aspect_ratio.y }, |
| (AVRational){ avctx->width, avctx->height })); |
| |
| if (!format->progressive_sequence && ctx->deint_mode == cudaVideoDeinterlaceMode_Weave) |
| avctx->flags |= AV_CODEC_FLAG_INTERLACED_DCT; |
| else |
| avctx->flags &= ~AV_CODEC_FLAG_INTERLACED_DCT; |
| |
| if (format->video_signal_description.video_full_range_flag) |
| avctx->color_range = AVCOL_RANGE_JPEG; |
| else |
| avctx->color_range = AVCOL_RANGE_MPEG; |
| |
| avctx->color_primaries = format->video_signal_description.color_primaries; |
| avctx->color_trc = format->video_signal_description.transfer_characteristics; |
| avctx->colorspace = format->video_signal_description.matrix_coefficients; |
| |
| if (format->bitrate) |
| avctx->bit_rate = format->bitrate; |
| |
| if (format->frame_rate.numerator && format->frame_rate.denominator) { |
| avctx->framerate.num = format->frame_rate.numerator; |
| avctx->framerate.den = format->frame_rate.denominator; |
| } |
| |
| if (ctx->cudecoder |
| && avctx->coded_width == format->coded_width |
| && avctx->coded_height == format->coded_height |
| && ctx->chroma_format == format->chroma_format |
| && ctx->codec_type == format->codec) |
| return 1; |
| |
| if (ctx->cudecoder) { |
| av_log(avctx, AV_LOG_TRACE, "Re-initializing decoder\n"); |
| ctx->internal_error = CHECK_CU(cuvidDestroyDecoder(ctx->cudecoder)); |
| if (ctx->internal_error < 0) |
| return 0; |
| ctx->cudecoder = NULL; |
| } |
| |
| if (hwframe_ctx->pool && ( |
| hwframe_ctx->width < avctx->width || |
| hwframe_ctx->height < avctx->height || |
| hwframe_ctx->format != AV_PIX_FMT_CUDA || |
| hwframe_ctx->sw_format != AV_PIX_FMT_NV12)) { |
| av_log(avctx, AV_LOG_ERROR, "AVHWFramesContext is already initialized with incompatible parameters\n"); |
| ctx->internal_error = AVERROR(EINVAL); |
| return 0; |
| } |
| |
| if (format->chroma_format != cudaVideoChromaFormat_420) { |
| av_log(avctx, AV_LOG_ERROR, "Chroma formats other than 420 are not supported\n"); |
| ctx->internal_error = AVERROR(EINVAL); |
| return 0; |
| } |
| |
| avctx->coded_width = format->coded_width; |
| avctx->coded_height = format->coded_height; |
| |
| ctx->chroma_format = format->chroma_format; |
| |
| memset(&cuinfo, 0, sizeof(cuinfo)); |
| |
| cuinfo.CodecType = ctx->codec_type = format->codec; |
| cuinfo.ChromaFormat = format->chroma_format; |
| cuinfo.OutputFormat = cudaVideoSurfaceFormat_NV12; |
| |
| cuinfo.ulWidth = avctx->coded_width; |
| cuinfo.ulHeight = avctx->coded_height; |
| cuinfo.ulTargetWidth = cuinfo.ulWidth; |
| cuinfo.ulTargetHeight = cuinfo.ulHeight; |
| |
| cuinfo.target_rect.left = 0; |
| cuinfo.target_rect.top = 0; |
| cuinfo.target_rect.right = cuinfo.ulWidth; |
| cuinfo.target_rect.bottom = cuinfo.ulHeight; |
| |
| cuinfo.ulNumDecodeSurfaces = MAX_FRAME_COUNT; |
| cuinfo.ulNumOutputSurfaces = 1; |
| cuinfo.ulCreationFlags = cudaVideoCreate_PreferCUVID; |
| cuinfo.bitDepthMinus8 = format->bit_depth_luma_minus8; |
| |
| if (format->progressive_sequence) { |
| ctx->deint_mode = cuinfo.DeinterlaceMode = cudaVideoDeinterlaceMode_Weave; |
| } else { |
| cuinfo.DeinterlaceMode = ctx->deint_mode; |
| } |
| |
| if (ctx->deint_mode != cudaVideoDeinterlaceMode_Weave) |
| avctx->framerate = av_mul_q(avctx->framerate, (AVRational){2, 1}); |
| |
| ctx->internal_error = CHECK_CU(cuvidCreateDecoder(&ctx->cudecoder, &cuinfo)); |
| if (ctx->internal_error < 0) |
| return 0; |
| |
| if (!hwframe_ctx->pool) { |
| hwframe_ctx->format = AV_PIX_FMT_CUDA; |
| hwframe_ctx->sw_format = AV_PIX_FMT_NV12; |
| hwframe_ctx->width = avctx->width; |
| hwframe_ctx->height = avctx->height; |
| |
| if ((ctx->internal_error = av_hwframe_ctx_init(ctx->hwframe)) < 0) { |
| av_log(avctx, AV_LOG_ERROR, "av_hwframe_ctx_init failed\n"); |
| return 0; |
| } |
| } |
| |
| return 1; |
| } |
| |
| static int CUDAAPI cuvid_handle_picture_decode(void *opaque, CUVIDPICPARAMS* picparams) |
| { |
| AVCodecContext *avctx = opaque; |
| CuvidContext *ctx = avctx->priv_data; |
| |
| av_log(avctx, AV_LOG_TRACE, "pfnDecodePicture\n"); |
| |
| ctx->internal_error = CHECK_CU(cuvidDecodePicture(ctx->cudecoder, picparams)); |
| if (ctx->internal_error < 0) |
| return 0; |
| |
| return 1; |
| } |
| |
| static int CUDAAPI cuvid_handle_picture_display(void *opaque, CUVIDPARSERDISPINFO* dispinfo) |
| { |
| AVCodecContext *avctx = opaque; |
| CuvidContext *ctx = avctx->priv_data; |
| CuvidParsedFrame parsed_frame = { *dispinfo, 0, 0 }; |
| |
| ctx->internal_error = 0; |
| |
| if (ctx->deint_mode == cudaVideoDeinterlaceMode_Weave) { |
| av_fifo_generic_write(ctx->frame_queue, &parsed_frame, sizeof(CuvidParsedFrame), NULL); |
| } else { |
| parsed_frame.is_deinterlacing = 1; |
| av_fifo_generic_write(ctx->frame_queue, &parsed_frame, sizeof(CuvidParsedFrame), NULL); |
| parsed_frame.second_field = 1; |
| av_fifo_generic_write(ctx->frame_queue, &parsed_frame, sizeof(CuvidParsedFrame), NULL); |
| } |
| |
| return 1; |
| } |
| |
| static int cuvid_decode_packet(AVCodecContext *avctx, const AVPacket *avpkt) |
| { |
| CuvidContext *ctx = avctx->priv_data; |
| AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)ctx->hwdevice->data; |
| AVCUDADeviceContext *device_hwctx = device_ctx->hwctx; |
| CUcontext dummy, cuda_ctx = device_hwctx->cuda_ctx; |
| CUVIDSOURCEDATAPACKET cupkt; |
| AVPacket filter_packet = { 0 }; |
| AVPacket filtered_packet = { 0 }; |
| int ret = 0, eret = 0, is_flush = ctx->decoder_flushing; |
| |
| av_log(avctx, AV_LOG_TRACE, "cuvid_decode_packet\n"); |
| |
| if (is_flush && avpkt && avpkt->size) |
| return AVERROR_EOF; |
| |
| if (av_fifo_size(ctx->frame_queue) / sizeof(CuvidParsedFrame) > MAX_FRAME_COUNT - 2 && avpkt && avpkt->size) |
| return AVERROR(EAGAIN); |
| |
| if (ctx->bsf && avpkt && avpkt->size) { |
| if ((ret = av_packet_ref(&filter_packet, avpkt)) < 0) { |
| av_log(avctx, AV_LOG_ERROR, "av_packet_ref failed\n"); |
| return ret; |
| } |
| |
| if ((ret = av_bsf_send_packet(ctx->bsf, &filter_packet)) < 0) { |
| av_log(avctx, AV_LOG_ERROR, "av_bsf_send_packet failed\n"); |
| av_packet_unref(&filter_packet); |
| return ret; |
| } |
| |
| if ((ret = av_bsf_receive_packet(ctx->bsf, &filtered_packet)) < 0) { |
| av_log(avctx, AV_LOG_ERROR, "av_bsf_receive_packet failed\n"); |
| return ret; |
| } |
| |
| avpkt = &filtered_packet; |
| } |
| |
| ret = CHECK_CU(cuCtxPushCurrent(cuda_ctx)); |
| if (ret < 0) { |
| av_packet_unref(&filtered_packet); |
| return ret; |
| } |
| |
| memset(&cupkt, 0, sizeof(cupkt)); |
| |
| if (avpkt && avpkt->size) { |
| cupkt.payload_size = avpkt->size; |
| cupkt.payload = avpkt->data; |
| |
| if (avpkt->pts != AV_NOPTS_VALUE) { |
| cupkt.flags = CUVID_PKT_TIMESTAMP; |
| if (avctx->pkt_timebase.num && avctx->pkt_timebase.den) |
| cupkt.timestamp = av_rescale_q(avpkt->pts, avctx->pkt_timebase, (AVRational){1, 10000000}); |
| else |
| cupkt.timestamp = avpkt->pts; |
| } |
| } else { |
| cupkt.flags = CUVID_PKT_ENDOFSTREAM; |
| ctx->decoder_flushing = 1; |
| } |
| |
| ret = CHECK_CU(cuvidParseVideoData(ctx->cuparser, &cupkt)); |
| |
| av_packet_unref(&filtered_packet); |
| |
| if (ret < 0) |
| goto error; |
| |
| // cuvidParseVideoData doesn't return an error just because stuff failed... |
| if (ctx->internal_error) { |
| av_log(avctx, AV_LOG_ERROR, "cuvid decode callback error\n"); |
| ret = ctx->internal_error; |
| goto error; |
| } |
| |
| error: |
| eret = CHECK_CU(cuCtxPopCurrent(&dummy)); |
| |
| if (eret < 0) |
| return eret; |
| else if (ret < 0) |
| return ret; |
| else if (is_flush) |
| return AVERROR_EOF; |
| else |
| return 0; |
| } |
| |
| static int cuvid_output_frame(AVCodecContext *avctx, AVFrame *frame) |
| { |
| CuvidContext *ctx = avctx->priv_data; |
| AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)ctx->hwdevice->data; |
| AVCUDADeviceContext *device_hwctx = device_ctx->hwctx; |
| CUcontext dummy, cuda_ctx = device_hwctx->cuda_ctx; |
| CUdeviceptr mapped_frame = 0; |
| int ret = 0, eret = 0; |
| |
| av_log(avctx, AV_LOG_TRACE, "cuvid_output_frame\n"); |
| |
| if (ctx->decoder_flushing) { |
| ret = cuvid_decode_packet(avctx, NULL); |
| if (ret < 0 && ret != AVERROR_EOF) |
| return ret; |
| } |
| |
| ret = CHECK_CU(cuCtxPushCurrent(cuda_ctx)); |
| if (ret < 0) |
| return ret; |
| |
| if (av_fifo_size(ctx->frame_queue)) { |
| CuvidParsedFrame parsed_frame; |
| CUVIDPROCPARAMS params; |
| unsigned int pitch = 0; |
| int offset = 0; |
| int i; |
| |
| av_fifo_generic_read(ctx->frame_queue, &parsed_frame, sizeof(CuvidParsedFrame), NULL); |
| |
| memset(¶ms, 0, sizeof(params)); |
| params.progressive_frame = parsed_frame.dispinfo.progressive_frame; |
| params.second_field = parsed_frame.second_field; |
| params.top_field_first = parsed_frame.dispinfo.top_field_first; |
| |
| ret = CHECK_CU(cuvidMapVideoFrame(ctx->cudecoder, parsed_frame.dispinfo.picture_index, &mapped_frame, &pitch, ¶ms)); |
| if (ret < 0) |
| goto error; |
| |
| if (avctx->pix_fmt == AV_PIX_FMT_CUDA) { |
| ret = av_hwframe_get_buffer(ctx->hwframe, frame, 0); |
| if (ret < 0) { |
| av_log(avctx, AV_LOG_ERROR, "av_hwframe_get_buffer failed\n"); |
| goto error; |
| } |
| |
| ret = ff_decode_frame_props(avctx, frame); |
| if (ret < 0) { |
| av_log(avctx, AV_LOG_ERROR, "ff_decode_frame_props failed\n"); |
| goto error; |
| } |
| |
| for (i = 0; i < 2; i++) { |
| CUDA_MEMCPY2D cpy = { |
| .srcMemoryType = CU_MEMORYTYPE_DEVICE, |
| .dstMemoryType = CU_MEMORYTYPE_DEVICE, |
| .srcDevice = mapped_frame, |
| .dstDevice = (CUdeviceptr)frame->data[i], |
| .srcPitch = pitch, |
| .dstPitch = frame->linesize[i], |
| .srcY = offset, |
| .WidthInBytes = FFMIN(pitch, frame->linesize[i]), |
| .Height = avctx->height >> (i ? 1 : 0), |
| }; |
| |
| ret = CHECK_CU(cuMemcpy2D(&cpy)); |
| if (ret < 0) |
| goto error; |
| |
| offset += avctx->coded_height; |
| } |
| } else if (avctx->pix_fmt == AV_PIX_FMT_NV12) { |
| AVFrame *tmp_frame = av_frame_alloc(); |
| if (!tmp_frame) { |
| av_log(avctx, AV_LOG_ERROR, "av_frame_alloc failed\n"); |
| ret = AVERROR(ENOMEM); |
| goto error; |
| } |
| |
| tmp_frame->format = AV_PIX_FMT_CUDA; |
| tmp_frame->hw_frames_ctx = av_buffer_ref(ctx->hwframe); |
| tmp_frame->data[0] = (uint8_t*)mapped_frame; |
| tmp_frame->linesize[0] = pitch; |
| tmp_frame->data[1] = (uint8_t*)(mapped_frame + avctx->coded_height * pitch); |
| tmp_frame->linesize[1] = pitch; |
| tmp_frame->width = avctx->width; |
| tmp_frame->height = avctx->height; |
| |
| ret = ff_get_buffer(avctx, frame, 0); |
| if (ret < 0) { |
| av_log(avctx, AV_LOG_ERROR, "ff_get_buffer failed\n"); |
| av_frame_free(&tmp_frame); |
| goto error; |
| } |
| |
| ret = av_hwframe_transfer_data(frame, tmp_frame, 0); |
| if (ret) { |
| av_log(avctx, AV_LOG_ERROR, "av_hwframe_transfer_data failed\n"); |
| av_frame_free(&tmp_frame); |
| goto error; |
| } |
| |
| av_frame_free(&tmp_frame); |
| } else { |
| ret = AVERROR_BUG; |
| goto error; |
| } |
| |
| frame->width = avctx->width; |
| frame->height = avctx->height; |
| if (avctx->pkt_timebase.num && avctx->pkt_timebase.den) |
| frame->pts = av_rescale_q(parsed_frame.dispinfo.timestamp, (AVRational){1, 10000000}, avctx->pkt_timebase); |
| else |
| frame->pts = parsed_frame.dispinfo.timestamp; |
| |
| if (parsed_frame.second_field) { |
| if (ctx->prev_pts == INT64_MIN) { |
| ctx->prev_pts = frame->pts; |
| frame->pts += (avctx->pkt_timebase.den * avctx->framerate.den) / (avctx->pkt_timebase.num * avctx->framerate.num); |
| } else { |
| int pts_diff = (frame->pts - ctx->prev_pts) / 2; |
| ctx->prev_pts = frame->pts; |
| frame->pts += pts_diff; |
| } |
| } |
| |
| /* CUVIDs opaque reordering breaks the internal pkt logic. |
| * So set pkt_pts and clear all the other pkt_ fields. |
| */ |
| #if FF_API_PKT_PTS |
| FF_DISABLE_DEPRECATION_WARNINGS |
| frame->pkt_pts = frame->pts; |
| FF_ENABLE_DEPRECATION_WARNINGS |
| #endif |
| av_frame_set_pkt_pos(frame, -1); |
| av_frame_set_pkt_duration(frame, 0); |
| av_frame_set_pkt_size(frame, -1); |
| |
| frame->interlaced_frame = !parsed_frame.is_deinterlacing && !parsed_frame.dispinfo.progressive_frame; |
| |
| if (frame->interlaced_frame) |
| frame->top_field_first = parsed_frame.dispinfo.top_field_first; |
| } else if (ctx->decoder_flushing) { |
| ret = AVERROR_EOF; |
| } else { |
| ret = AVERROR(EAGAIN); |
| } |
| |
| error: |
| if (mapped_frame) |
| eret = CHECK_CU(cuvidUnmapVideoFrame(ctx->cudecoder, mapped_frame)); |
| |
| eret = CHECK_CU(cuCtxPopCurrent(&dummy)); |
| |
| if (eret < 0) |
| return eret; |
| else |
| return ret; |
| } |
| |
| static int cuvid_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt) |
| { |
| CuvidContext *ctx = avctx->priv_data; |
| AVFrame *frame = data; |
| int ret = 0; |
| |
| av_log(avctx, AV_LOG_TRACE, "cuvid_decode_frame\n"); |
| |
| if (ctx->deint_mode != cudaVideoDeinterlaceMode_Weave) { |
| av_log(avctx, AV_LOG_ERROR, "Deinterlacing is not supported via the old API\n"); |
| return AVERROR(EINVAL); |
| } |
| |
| if (!ctx->decoder_flushing) { |
| ret = cuvid_decode_packet(avctx, avpkt); |
| if (ret < 0) |
| return ret; |
| } |
| |
| ret = cuvid_output_frame(avctx, frame); |
| if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF) { |
| *got_frame = 0; |
| } else if (ret < 0) { |
| return ret; |
| } else { |
| *got_frame = 1; |
| } |
| |
| return 0; |
| } |
| |
| static av_cold int cuvid_decode_end(AVCodecContext *avctx) |
| { |
| CuvidContext *ctx = avctx->priv_data; |
| |
| av_fifo_freep(&ctx->frame_queue); |
| |
| if (ctx->bsf) |
| av_bsf_free(&ctx->bsf); |
| |
| if (ctx->cuparser) |
| cuvidDestroyVideoParser(ctx->cuparser); |
| |
| if (ctx->cudecoder) |
| cuvidDestroyDecoder(ctx->cudecoder); |
| |
| av_buffer_unref(&ctx->hwframe); |
| av_buffer_unref(&ctx->hwdevice); |
| |
| return 0; |
| } |
| |
| static int cuvid_test_dummy_decoder(AVCodecContext *avctx, CUVIDPARSERPARAMS *cuparseinfo) |
| { |
| CUVIDDECODECREATEINFO cuinfo; |
| CUvideodecoder cudec = 0; |
| int ret = 0; |
| |
| memset(&cuinfo, 0, sizeof(cuinfo)); |
| |
| cuinfo.CodecType = cuparseinfo->CodecType; |
| cuinfo.ChromaFormat = cudaVideoChromaFormat_420; |
| cuinfo.OutputFormat = cudaVideoSurfaceFormat_NV12; |
| |
| cuinfo.ulWidth = 1280; |
| cuinfo.ulHeight = 720; |
| cuinfo.ulTargetWidth = cuinfo.ulWidth; |
| cuinfo.ulTargetHeight = cuinfo.ulHeight; |
| |
| cuinfo.target_rect.left = 0; |
| cuinfo.target_rect.top = 0; |
| cuinfo.target_rect.right = cuinfo.ulWidth; |
| cuinfo.target_rect.bottom = cuinfo.ulHeight; |
| |
| cuinfo.ulNumDecodeSurfaces = MAX_FRAME_COUNT; |
| cuinfo.ulNumOutputSurfaces = 1; |
| cuinfo.ulCreationFlags = cudaVideoCreate_PreferCUVID; |
| cuinfo.bitDepthMinus8 = 0; |
| |
| cuinfo.DeinterlaceMode = cudaVideoDeinterlaceMode_Weave; |
| |
| ret = CHECK_CU(cuvidCreateDecoder(&cudec, &cuinfo)); |
| if (ret < 0) |
| return ret; |
| |
| ret = CHECK_CU(cuvidDestroyDecoder(cudec)); |
| if (ret < 0) |
| return ret; |
| |
| return 0; |
| } |
| |
| static av_cold int cuvid_decode_init(AVCodecContext *avctx) |
| { |
| CuvidContext *ctx = avctx->priv_data; |
| AVCUDADeviceContext *device_hwctx; |
| AVHWDeviceContext *device_ctx; |
| AVHWFramesContext *hwframe_ctx; |
| CUVIDSOURCEDATAPACKET seq_pkt; |
| CUcontext cuda_ctx = NULL; |
| CUcontext dummy; |
| const AVBitStreamFilter *bsf; |
| int ret = 0; |
| |
| enum AVPixelFormat pix_fmts[3] = { AV_PIX_FMT_CUDA, |
| AV_PIX_FMT_NV12, |
| AV_PIX_FMT_NONE }; |
| |
| ret = ff_get_format(avctx, pix_fmts); |
| if (ret < 0) { |
| av_log(avctx, AV_LOG_ERROR, "ff_get_format failed: %d\n", ret); |
| return ret; |
| } |
| |
| ctx->frame_queue = av_fifo_alloc(MAX_FRAME_COUNT * sizeof(CuvidParsedFrame)); |
| if (!ctx->frame_queue) { |
| ret = AVERROR(ENOMEM); |
| goto error; |
| } |
| |
| avctx->pix_fmt = ret; |
| |
| if (avctx->hw_frames_ctx) { |
| ctx->hwframe = av_buffer_ref(avctx->hw_frames_ctx); |
| if (!ctx->hwframe) { |
| ret = AVERROR(ENOMEM); |
| goto error; |
| } |
| |
| hwframe_ctx = (AVHWFramesContext*)ctx->hwframe->data; |
| |
| ctx->hwdevice = av_buffer_ref(hwframe_ctx->device_ref); |
| if (!ctx->hwdevice) { |
| ret = AVERROR(ENOMEM); |
| goto error; |
| } |
| } else { |
| ret = av_hwdevice_ctx_create(&ctx->hwdevice, AV_HWDEVICE_TYPE_CUDA, ctx->cu_gpu, NULL, 0); |
| if (ret < 0) |
| goto error; |
| |
| ctx->hwframe = av_hwframe_ctx_alloc(ctx->hwdevice); |
| if (!ctx->hwframe) { |
| av_log(avctx, AV_LOG_ERROR, "av_hwframe_ctx_alloc failed\n"); |
| ret = AVERROR(ENOMEM); |
| goto error; |
| } |
| |
| hwframe_ctx = (AVHWFramesContext*)ctx->hwframe->data; |
| } |
| |
| device_ctx = hwframe_ctx->device_ctx; |
| device_hwctx = device_ctx->hwctx; |
| cuda_ctx = device_hwctx->cuda_ctx; |
| |
| memset(&ctx->cuparseinfo, 0, sizeof(ctx->cuparseinfo)); |
| memset(&ctx->cuparse_ext, 0, sizeof(ctx->cuparse_ext)); |
| memset(&seq_pkt, 0, sizeof(seq_pkt)); |
| |
| ctx->cuparseinfo.pExtVideoInfo = &ctx->cuparse_ext; |
| |
| switch (avctx->codec->id) { |
| #if CONFIG_H263_CUVID_DECODER |
| case AV_CODEC_ID_H263: |
| ctx->cuparseinfo.CodecType = cudaVideoCodec_MPEG4; |
| break; |
| #endif |
| #if CONFIG_H264_CUVID_DECODER |
| case AV_CODEC_ID_H264: |
| ctx->cuparseinfo.CodecType = cudaVideoCodec_H264; |
| break; |
| #endif |
| #if CONFIG_HEVC_CUVID_DECODER |
| case AV_CODEC_ID_HEVC: |
| ctx->cuparseinfo.CodecType = cudaVideoCodec_HEVC; |
| break; |
| #endif |
| #if CONFIG_MJPEG_CUVID_DECODER |
| case AV_CODEC_ID_MJPEG: |
| ctx->cuparseinfo.CodecType = cudaVideoCodec_JPEG; |
| break; |
| #endif |
| #if CONFIG_MPEG1_CUVID_DECODER |
| case AV_CODEC_ID_MPEG1VIDEO: |
| ctx->cuparseinfo.CodecType = cudaVideoCodec_MPEG1; |
| break; |
| #endif |
| #if CONFIG_MPEG2_CUVID_DECODER |
| case AV_CODEC_ID_MPEG2VIDEO: |
| ctx->cuparseinfo.CodecType = cudaVideoCodec_MPEG2; |
| break; |
| #endif |
| #if CONFIG_MPEG4_CUVID_DECODER |
| case AV_CODEC_ID_MPEG4: |
| ctx->cuparseinfo.CodecType = cudaVideoCodec_MPEG4; |
| break; |
| #endif |
| #if CONFIG_VP8_CUVID_DECODER |
| case AV_CODEC_ID_VP8: |
| ctx->cuparseinfo.CodecType = cudaVideoCodec_VP8; |
| break; |
| #endif |
| #if CONFIG_VP9_CUVID_DECODER |
| case AV_CODEC_ID_VP9: |
| ctx->cuparseinfo.CodecType = cudaVideoCodec_VP9; |
| break; |
| #endif |
| #if CONFIG_VC1_CUVID_DECODER |
| case AV_CODEC_ID_VC1: |
| ctx->cuparseinfo.CodecType = cudaVideoCodec_VC1; |
| break; |
| #endif |
| default: |
| av_log(avctx, AV_LOG_ERROR, "Invalid CUVID codec!\n"); |
| return AVERROR_BUG; |
| } |
| |
| if (avctx->codec->id == AV_CODEC_ID_H264 || avctx->codec->id == AV_CODEC_ID_HEVC) { |
| if (avctx->codec->id == AV_CODEC_ID_H264) |
| bsf = av_bsf_get_by_name("h264_mp4toannexb"); |
| else |
| bsf = av_bsf_get_by_name("hevc_mp4toannexb"); |
| |
| if (!bsf) { |
| ret = AVERROR_BSF_NOT_FOUND; |
| goto error; |
| } |
| if (ret = av_bsf_alloc(bsf, &ctx->bsf)) { |
| goto error; |
| } |
| if (((ret = avcodec_parameters_from_context(ctx->bsf->par_in, avctx)) < 0) || ((ret = av_bsf_init(ctx->bsf)) < 0)) { |
| av_bsf_free(&ctx->bsf); |
| goto error; |
| } |
| |
| ctx->cuparse_ext.format.seqhdr_data_length = ctx->bsf->par_out->extradata_size; |
| memcpy(ctx->cuparse_ext.raw_seqhdr_data, |
| ctx->bsf->par_out->extradata, |
| FFMIN(sizeof(ctx->cuparse_ext.raw_seqhdr_data), ctx->bsf->par_out->extradata_size)); |
| } else if (avctx->extradata_size > 0) { |
| ctx->cuparse_ext.format.seqhdr_data_length = avctx->extradata_size; |
| memcpy(ctx->cuparse_ext.raw_seqhdr_data, |
| avctx->extradata, |
| FFMIN(sizeof(ctx->cuparse_ext.raw_seqhdr_data), avctx->extradata_size)); |
| } |
| |
| ctx->cuparseinfo.ulMaxNumDecodeSurfaces = MAX_FRAME_COUNT; |
| ctx->cuparseinfo.ulMaxDisplayDelay = 4; |
| ctx->cuparseinfo.pUserData = avctx; |
| ctx->cuparseinfo.pfnSequenceCallback = cuvid_handle_video_sequence; |
| ctx->cuparseinfo.pfnDecodePicture = cuvid_handle_picture_decode; |
| ctx->cuparseinfo.pfnDisplayPicture = cuvid_handle_picture_display; |
| |
| ret = CHECK_CU(cuCtxPushCurrent(cuda_ctx)); |
| if (ret < 0) |
| goto error; |
| |
| ret = cuvid_test_dummy_decoder(avctx, &ctx->cuparseinfo); |
| if (ret < 0) |
| goto error; |
| |
| ret = CHECK_CU(cuvidCreateVideoParser(&ctx->cuparser, &ctx->cuparseinfo)); |
| if (ret < 0) |
| goto error; |
| |
| seq_pkt.payload = ctx->cuparse_ext.raw_seqhdr_data; |
| seq_pkt.payload_size = ctx->cuparse_ext.format.seqhdr_data_length; |
| |
| if (seq_pkt.payload && seq_pkt.payload_size) { |
| ret = CHECK_CU(cuvidParseVideoData(ctx->cuparser, &seq_pkt)); |
| if (ret < 0) |
| goto error; |
| } |
| |
| ret = CHECK_CU(cuCtxPopCurrent(&dummy)); |
| if (ret < 0) |
| goto error; |
| |
| ctx->prev_pts = INT64_MIN; |
| |
| if (!avctx->pkt_timebase.num || !avctx->pkt_timebase.den) |
| av_log(avctx, AV_LOG_WARNING, "Invalid pkt_timebase, passing timestamps as-is.\n"); |
| |
| return 0; |
| |
| error: |
| cuvid_decode_end(avctx); |
| return ret; |
| } |
| |
| static void cuvid_flush(AVCodecContext *avctx) |
| { |
| CuvidContext *ctx = avctx->priv_data; |
| AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)ctx->hwdevice->data; |
| AVCUDADeviceContext *device_hwctx = device_ctx->hwctx; |
| CUcontext dummy, cuda_ctx = device_hwctx->cuda_ctx; |
| CUVIDSOURCEDATAPACKET seq_pkt = { 0 }; |
| int ret; |
| |
| ret = CHECK_CU(cuCtxPushCurrent(cuda_ctx)); |
| if (ret < 0) |
| goto error; |
| |
| av_fifo_freep(&ctx->frame_queue); |
| |
| ctx->frame_queue = av_fifo_alloc(MAX_FRAME_COUNT * sizeof(CuvidParsedFrame)); |
| if (!ctx->frame_queue) { |
| av_log(avctx, AV_LOG_ERROR, "Failed to recreate frame queue on flush\n"); |
| return; |
| } |
| |
| if (ctx->cudecoder) { |
| cuvidDestroyDecoder(ctx->cudecoder); |
| ctx->cudecoder = NULL; |
| } |
| |
| if (ctx->cuparser) { |
| cuvidDestroyVideoParser(ctx->cuparser); |
| ctx->cuparser = NULL; |
| } |
| |
| ret = CHECK_CU(cuvidCreateVideoParser(&ctx->cuparser, &ctx->cuparseinfo)); |
| if (ret < 0) |
| goto error; |
| |
| seq_pkt.payload = ctx->cuparse_ext.raw_seqhdr_data; |
| seq_pkt.payload_size = ctx->cuparse_ext.format.seqhdr_data_length; |
| |
| if (seq_pkt.payload && seq_pkt.payload_size) { |
| ret = CHECK_CU(cuvidParseVideoData(ctx->cuparser, &seq_pkt)); |
| if (ret < 0) |
| goto error; |
| } |
| |
| ret = CHECK_CU(cuCtxPopCurrent(&dummy)); |
| if (ret < 0) |
| goto error; |
| |
| ctx->prev_pts = INT64_MIN; |
| ctx->decoder_flushing = 0; |
| |
| return; |
| error: |
| av_log(avctx, AV_LOG_ERROR, "CUDA reinit on flush failed\n"); |
| } |
| |
| #define OFFSET(x) offsetof(CuvidContext, x) |
| #define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM |
| static const AVOption options[] = { |
| { "deint", "Set deinterlacing mode", OFFSET(deint_mode), AV_OPT_TYPE_INT, { .i64 = cudaVideoDeinterlaceMode_Weave }, cudaVideoDeinterlaceMode_Weave, cudaVideoDeinterlaceMode_Adaptive, VD, "deint" }, |
| { "weave", "Weave deinterlacing (do nothing)", 0, AV_OPT_TYPE_CONST, { .i64 = cudaVideoDeinterlaceMode_Weave }, 0, 0, VD, "deint" }, |
| { "bob", "Bob deinterlacing", 0, AV_OPT_TYPE_CONST, { .i64 = cudaVideoDeinterlaceMode_Bob }, 0, 0, VD, "deint" }, |
| { "adaptive", "Adaptive deinterlacing", 0, AV_OPT_TYPE_CONST, { .i64 = cudaVideoDeinterlaceMode_Adaptive }, 0, 0, VD, "deint" }, |
| { "gpu", "GPU to be used for decoding", OFFSET(cu_gpu), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VD }, |
| { NULL } |
| }; |
| |
| #define DEFINE_CUVID_CODEC(x, X) \ |
| static const AVClass x##_cuvid_class = { \ |
| .class_name = #x "_cuvid", \ |
| .item_name = av_default_item_name, \ |
| .option = options, \ |
| .version = LIBAVUTIL_VERSION_INT, \ |
| }; \ |
| AVHWAccel ff_##x##_cuvid_hwaccel = { \ |
| .name = #x "_cuvid", \ |
| .type = AVMEDIA_TYPE_VIDEO, \ |
| .id = AV_CODEC_ID_##X, \ |
| .pix_fmt = AV_PIX_FMT_CUDA, \ |
| }; \ |
| AVCodec ff_##x##_cuvid_decoder = { \ |
| .name = #x "_cuvid", \ |
| .long_name = NULL_IF_CONFIG_SMALL("Nvidia CUVID " #X " decoder"), \ |
| .type = AVMEDIA_TYPE_VIDEO, \ |
| .id = AV_CODEC_ID_##X, \ |
| .priv_data_size = sizeof(CuvidContext), \ |
| .priv_class = &x##_cuvid_class, \ |
| .init = cuvid_decode_init, \ |
| .close = cuvid_decode_end, \ |
| .decode = cuvid_decode_frame, \ |
| .send_packet = cuvid_decode_packet, \ |
| .receive_frame = cuvid_output_frame, \ |
| .flush = cuvid_flush, \ |
| .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AVOID_PROBING, \ |
| .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_CUDA, \ |
| AV_PIX_FMT_NV12, \ |
| AV_PIX_FMT_NONE }, \ |
| }; |
| |
| #if CONFIG_HEVC_CUVID_DECODER |
| DEFINE_CUVID_CODEC(hevc, HEVC) |
| #endif |
| |
| #if CONFIG_H263_CUVID_DECODER |
| DEFINE_CUVID_CODEC(h263, H263) |
| #endif |
| |
| #if CONFIG_H264_CUVID_DECODER |
| DEFINE_CUVID_CODEC(h264, H264) |
| #endif |
| |
| #if CONFIG_MJPEG_CUVID_DECODER |
| DEFINE_CUVID_CODEC(mjpeg, MJPEG) |
| #endif |
| |
| #if CONFIG_MPEG1_CUVID_DECODER |
| DEFINE_CUVID_CODEC(mpeg1, MPEG1VIDEO) |
| #endif |
| |
| #if CONFIG_MPEG2_CUVID_DECODER |
| DEFINE_CUVID_CODEC(mpeg2, MPEG2VIDEO) |
| #endif |
| |
| #if CONFIG_MPEG4_CUVID_DECODER |
| DEFINE_CUVID_CODEC(mpeg4, MPEG4) |
| #endif |
| |
| #if CONFIG_VP8_CUVID_DECODER |
| DEFINE_CUVID_CODEC(vp8, VP8) |
| #endif |
| |
| #if CONFIG_VP9_CUVID_DECODER |
| DEFINE_CUVID_CODEC(vp9, VP9) |
| #endif |
| |
| #if CONFIG_VC1_CUVID_DECODER |
| DEFINE_CUVID_CODEC(vc1, VC1) |
| #endif |
