diff options
Diffstat (limited to 'libavcodec/cuvid.c')
| -rw-r--r-- | libavcodec/cuvid.c | 907 |
1 files changed, 907 insertions, 0 deletions
diff --git a/libavcodec/cuvid.c b/libavcodec/cuvid.c new file mode 100644 index 0000000000..942be81a51 --- /dev/null +++ b/libavcodec/cuvid.c @@ -0,0 +1,907 @@ +/* + * Nvidia CUVID decoder + * Copyright (c) 2016 Timo Rothenpieler <timo@rothenpieler.org> + * Copyright (C) 2016 Ruta Gadkari <rgadkari@nvidia.com> + * + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <cuviddec.h> +#include <nvcuvid.h> + +#include "libavutil/buffer.h" +#include "libavutil/common.h" +#include "libavutil/fifo.h" +#include "libavutil/hwcontext.h" +#include "libavutil/hwcontext_cuda.h" +#include "libavutil/log.h" +#include "libavutil/mathematics.h" +#include "libavutil/opt.h" + +#include "avcodec.h" +#include "internal.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; + + 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(EINVAL); +} + +#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 = { 0 }; + + 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_ERROR, "re-initializing decoder is not supported\n"); + ctx->internal_error = AVERROR_INVALIDDATA; + return 0; + } + + 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_INVALIDDATA; + return 0; + } + + avctx->coded_width = format->coded_width; + avctx->coded_height = format->coded_height; + + ctx->chroma_format = format->chroma_format; + + 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; + + 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 = { 0 }; + AVPacket filter_packet = { 0 }; + AVPacket filtered_packet = { 0 }; + int ret = 0, eret = 0, is_flush = ctx->decoder_flushing; + + 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"); + av_packet_unref(&filtered_packet); + return ret; + } + + avpkt = &filtered_packet; + } + + ret = CHECK_CU(cuCtxPushCurrent(cuda_ctx)); + if (ret < 0) { + av_packet_unref(&filtered_packet); + return ret; + } + + if (avpkt && avpkt->size) { + cupkt.payload_size = avpkt->size; + cupkt.payload = avpkt->data; + + if (avpkt->pts != AV_NOPTS_VALUE) { + cupkt.flags = CUVID_PKT_TIMESTAMP; + 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; + } + +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; + + 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 = { 0 }; + unsigned int pitch = 0; + int offset = 0; + int i; + + av_fifo_generic_read(ctx->frame_queue, &parsed_frame, sizeof(CuvidParsedFrame), NULL); + + 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 = ff_get_buffer(avctx, 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; + frame->pts = parsed_frame.dispinfo.timestamp; + + if (parsed_frame.second_field) { + 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 + 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) + 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; + + if (ctx->deint_mode != cudaVideoDeinterlaceMode_Weave) { + av_log(avctx, AV_LOG_ERROR, "Deinterlacing is not supported via the old API\n"); + return AVERROR_INVALIDDATA; + } + + 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_free(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 = { 0 }; + CUvideodecoder cudec = 0; + int ret = 0; + + 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 = { 0 }; + 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)); + + ctx->cuparseinfo.pExtVideoInfo = &ctx->cuparse_ext; + + switch (avctx->codec->id) { +#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_VC1_CUVID_DECODER + case AV_CODEC_ID_VC1: + ctx->cuparseinfo.CodecType = cudaVideoCodec_VC1; + 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 + 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; + + 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_free(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; + + 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 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, \ + .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_CUDA, \ + AV_PIX_FMT_NV12, \ + AV_PIX_FMT_NONE }, \ + }; + +#define CUVID_HWACCEL(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, \ + }; + +#if CONFIG_H264_CUVID_DECODER +CUVID_CODEC(h264, H264) +#elif CONFIG_H264_CUVID_HWACCEL +CUVID_HWACCEL(h264, H264) +#endif + +#if CONFIG_HEVC_CUVID_DECODER +CUVID_CODEC(hevc, HEVC) +#elif CONFIG_HEVC_CUVID_HWACCEL +CUVID_HWACCEL(hevc, HEVC) +#endif + +#if CONFIG_MJPEG_CUVID_DECODER +CUVID_CODEC(mjpeg, MJPEG) +#elif CONFIG_MJPEG_CUVID_HWACCEL +CUVID_HWACCEL(mjpeg, MJPEG) +#endif + +#if CONFIG_MPEG1_CUVID_DECODER +CUVID_CODEC(mpeg1, MPEG1VIDEO) +#elif CONFIG_MPEG1_CUVID_HWACCEL +CUVID_HWACCEL(mpeg1, MPEG1VIDEO) +#endif + +#if CONFIG_MPEG2_CUVID_DECODER +CUVID_CODEC(mpeg2, MPEG2VIDEO) +#elif CONFIG_MPEG2_CUVID_HWACCEL +CUVID_HWACCEL(mpeg2, MPEG2VIDEO) +#endif + +#if CONFIG_MPEG4_CUVID_DECODER +CUVID_CODEC(mpeg4, MPEG4) +#elif CONFIG_MPEG4_CUVID_HWACCEL +CUVID_HWACCEL(mpeg4, MPEG4) +#endif + +#if CONFIG_VC1_CUVID_DECODER +CUVID_CODEC(vc1, VC1) +#elif CONFIG_VC1_CUVID_HWACCEL +CUVID_HWACCEL(vc1, VC1) +#endif + +#if CONFIG_VP8_CUVID_DECODER +CUVID_CODEC(vp8, VP8) +#elif CONFIG_VP8_CUVID_HWACCEL +CUVID_HWACCEL(vp8, VP8) +#endif + +#if CONFIG_VP9_CUVID_DECODER +CUVID_CODEC(vp9, VP9) +#elif CONFIG_VP9_CUVID_HWACCEL +CUVID_HWACCEL(vp9, VP9) +#endif |