| /* |
| * 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 "avcodec.h" |
| #include "internal.h" |
| |
| #include <nvcuvid.h> |
| |
| #define MAX_FRAME_COUNT 20 |
| |
| typedef struct CuvidContext |
| { |
| CUvideodecoder cudecoder; |
| CUvideoparser cuparser; |
| |
| AVBufferRef *hwdevice; |
| AVBufferRef *hwframe; |
| |
| AVBSFContext *bsf; |
| |
| AVFifoBuffer *frame_queue; |
| |
| int internal_error; |
| |
| cudaVideoCodec codec_type; |
| cudaVideoChromaFormat chroma_format; |
| } CuvidContext; |
| |
| 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\n"); |
| |
| 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) |
| 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_ERROR, "re-initializing decoder is not supported\n"); |
| ctx->internal_error = AVERROR(EINVAL); |
| return 0; |
| } |
| |
| if (hwframe_ctx->pool) { |
| av_log(avctx, AV_LOG_ERROR, "AVHWFramesContext is already initialized\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.DeinterlaceMode = cudaVideoDeinterlaceMode_Weave; |
| |
| ctx->internal_error = CHECK_CU(cuvidCreateDecoder(&ctx->cudecoder, &cuinfo)); |
| if (ctx->internal_error < 0) |
| return 0; |
| |
| hwframe_ctx->format = AV_PIX_FMT_CUDA; |
| hwframe_ctx->sw_format = AV_PIX_FMT_NV12; |
| hwframe_ctx->width = FFALIGN(avctx->coded_width, 32); |
| hwframe_ctx->height = FFALIGN(avctx->coded_height, 32); |
| |
| 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; |
| |
| av_log(avctx, AV_LOG_TRACE, "pfnDisplayPicture\n"); |
| |
| ctx->internal_error = 0; |
| |
| av_fifo_generic_write(ctx->frame_queue, dispinfo, sizeof(CUVIDPARSERDISPINFO), NULL); |
| |
| return 1; |
| } |
| |
| static int cuvid_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, 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; |
| AVFrame *frame = data; |
| CUVIDSOURCEDATAPACKET cupkt; |
| AVPacket filter_packet = { 0 }; |
| AVPacket filtered_packet = { 0 }; |
| CUdeviceptr mapped_frame = 0; |
| int ret = 0, eret = 0; |
| |
| if (ctx->bsf && 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->size) { |
| cupkt.payload_size = avpkt->size; |
| cupkt.payload = avpkt->data; |
| |
| if (avpkt->pts != AV_NOPTS_VALUE) { |
| cupkt.flags = CUVID_PKT_TIMESTAMP; |
| cupkt.timestamp = av_rescale_q(avpkt->pts, avctx->time_base, (AVRational){1, 10000000}); |
| } |
| } else { |
| cupkt.flags = CUVID_PKT_ENDOFSTREAM; |
| } |
| |
| ret = CHECK_CU(cuvidParseVideoData(ctx->cuparser, &cupkt)); |
| |
| av_packet_unref(&filtered_packet); |
| |
| if (ret < 0) { |
| if (ctx->internal_error) |
| ret = ctx->internal_error; |
| goto error; |
| } |
| |
| if (av_fifo_size(ctx->frame_queue)) { |
| CUVIDPARSERDISPINFO dispinfo; |
| CUVIDPROCPARAMS params; |
| unsigned int pitch = 0; |
| int offset = 0; |
| int i; |
| |
| av_fifo_generic_read(ctx->frame_queue, &dispinfo, sizeof(CUVIDPARSERDISPINFO), NULL); |
| |
| memset(¶ms, 0, sizeof(params)); |
| params.progressive_frame = dispinfo.progressive_frame; |
| params.second_field = 0; |
| params.top_field_first = dispinfo.top_field_first; |
| |
| ret = CHECK_CU(cuvidMapVideoFrame(ctx->cudecoder, 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->coded_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; |
| frame->pts = av_rescale_q(dispinfo.timestamp, (AVRational){1, 10000000}, avctx->time_base); |
| |
| /* CUVIDs opaque reordering breaks the internal pkt logic. |
| * So set pkt_pts and clear all the other pkt_ fields. |
| */ |
| frame->pkt_pts = frame->pts; |
| av_frame_set_pkt_pos(frame, -1); |
| av_frame_set_pkt_duration(frame, 0); |
| av_frame_set_pkt_size(frame, -1); |
| |
| frame->interlaced_frame = !dispinfo.progressive_frame; |
| |
| if (!dispinfo.progressive_frame) |
| frame->top_field_first = dispinfo.top_field_first; |
| |
| *got_frame = 1; |
| } else { |
| *got_frame = 0; |
| } |
| |
| 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 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 void cuvid_ctx_free(AVHWDeviceContext *ctx) |
| { |
| AVCUDADeviceContext *hwctx = ctx->hwctx; |
| cuCtxDestroy(hwctx->cuda_ctx); |
| } |
| |
| 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.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; |
| CUVIDPARSERPARAMS cuparseinfo; |
| CUVIDEOFORMATEX cuparse_ext; |
| CUVIDSOURCEDATAPACKET seq_pkt; |
| CUdevice device; |
| 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(CUVIDPARSERDISPINFO)); |
| 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; |
| } |
| |
| device_ctx = hwframe_ctx->device_ctx; |
| device_hwctx = device_ctx->hwctx; |
| cuda_ctx = device_hwctx->cuda_ctx; |
| } else { |
| ctx->hwdevice = av_hwdevice_ctx_alloc(AV_HWDEVICE_TYPE_CUDA); |
| if (!ctx->hwdevice) { |
| av_log(avctx, AV_LOG_ERROR, "Error allocating hwdevice\n"); |
| ret = AVERROR(ENOMEM); |
| goto error; |
| } |
| |
| ret = CHECK_CU(cuInit(0)); |
| if (ret < 0) |
| goto error; |
| |
| ret = CHECK_CU(cuDeviceGet(&device, 0)); |
| if (ret < 0) |
| goto error; |
| |
| ret = CHECK_CU(cuCtxCreate(&cuda_ctx, CU_CTX_SCHED_BLOCKING_SYNC, device)); |
| if (ret < 0) |
| goto error; |
| |
| device_ctx = (AVHWDeviceContext*)ctx->hwdevice->data; |
| device_ctx->free = cuvid_ctx_free; |
| |
| device_hwctx = device_ctx->hwctx; |
| device_hwctx->cuda_ctx = cuda_ctx; |
| |
| ret = CHECK_CU(cuCtxPopCurrent(&dummy)); |
| if (ret < 0) |
| goto error; |
| |
| ret = av_hwdevice_ctx_init(ctx->hwdevice); |
| if (ret < 0) { |
| av_log(avctx, AV_LOG_ERROR, "av_hwdevice_ctx_init failed\n"); |
| 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; |
| } |
| } |
| |
| memset(&cuparseinfo, 0, sizeof(cuparseinfo)); |
| memset(&cuparse_ext, 0, sizeof(cuparse_ext)); |
| memset(&seq_pkt, 0, sizeof(seq_pkt)); |
| |
| cuparseinfo.pExtVideoInfo = &cuparse_ext; |
| |
| switch (avctx->codec->id) { |
| #if CONFIG_H264_CUVID_DECODER |
| case AV_CODEC_ID_H264: |
| cuparseinfo.CodecType = cudaVideoCodec_H264; |
| break; |
| #endif |
| #if CONFIG_HEVC_CUVID_DECODER |
| case AV_CODEC_ID_HEVC: |
| cuparseinfo.CodecType = cudaVideoCodec_HEVC; |
| break; |
| #endif |
| #if CONFIG_VP8_CUVID_DECODER |
| case AV_CODEC_ID_VP8: |
| cuparseinfo.CodecType = cudaVideoCodec_VP8; |
| break; |
| #endif |
| #if CONFIG_VP9_CUVID_DECODER |
| case AV_CODEC_ID_VP9: |
| cuparseinfo.CodecType = cudaVideoCodec_VP9; |
| break; |
| #endif |
| #if CONFIG_VC1_CUVID_DECODER |
| case AV_CODEC_ID_VC1: |
| 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; |
| } |
| |
| cuparse_ext.format.seqhdr_data_length = ctx->bsf->par_out->extradata_size; |
| memcpy(cuparse_ext.raw_seqhdr_data, |
| ctx->bsf->par_out->extradata, |
| FFMIN(sizeof(cuparse_ext.raw_seqhdr_data), ctx->bsf->par_out->extradata_size)); |
| } else if (avctx->extradata_size > 0) { |
| cuparse_ext.format.seqhdr_data_length = avctx->extradata_size; |
| memcpy(cuparse_ext.raw_seqhdr_data, |
| avctx->extradata, |
| FFMIN(sizeof(cuparse_ext.raw_seqhdr_data), avctx->extradata_size)); |
| } |
| |
| cuparseinfo.ulMaxNumDecodeSurfaces = MAX_FRAME_COUNT; |
| cuparseinfo.ulMaxDisplayDelay = 4; |
| cuparseinfo.pUserData = avctx; |
| cuparseinfo.pfnSequenceCallback = cuvid_handle_video_sequence; |
| cuparseinfo.pfnDecodePicture = cuvid_handle_picture_decode; |
| cuparseinfo.pfnDisplayPicture = cuvid_handle_picture_display; |
| |
| ret = CHECK_CU(cuCtxPushCurrent(cuda_ctx)); |
| if (ret < 0) |
| goto error; |
| |
| ret = cuvid_test_dummy_decoder(avctx, &cuparseinfo); |
| if (ret < 0) |
| goto error; |
| |
| ret = CHECK_CU(cuvidCreateVideoParser(&ctx->cuparser, &cuparseinfo)); |
| if (ret < 0) |
| goto error; |
| |
| seq_pkt.payload = cuparse_ext.raw_seqhdr_data; |
| seq_pkt.payload_size = 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; |
| |
| return 0; |
| |
| error: |
| cuvid_decode_end(avctx); |
| return ret; |
| } |
| |
| #define DEFINE_CUVID_CODEC(x, X) \ |
| 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), \ |
| .init = cuvid_decode_init, \ |
| .close = cuvid_decode_end, \ |
| .decode = cuvid_decode_frame, \ |
| .capabilities = AV_CODEC_CAP_DELAY, \ |
| .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_H264_CUVID_DECODER |
| DEFINE_CUVID_CODEC(h264, H264) |
| #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 |