diff options
Diffstat (limited to 'libavcodec/cuviddec.c')
| -rw-r--r-- | libavcodec/cuviddec.c | 1200 |
1 files changed, 1200 insertions, 0 deletions
diff --git a/libavcodec/cuviddec.c b/libavcodec/cuviddec.c new file mode 100644 index 0000000000..291bb93dbc --- /dev/null +++ b/libavcodec/cuviddec.c @@ -0,0 +1,1200 @@ +/* + * 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 "compat/cuda/dynlink_loader.h" + +#include "libavutil/buffer.h" +#include "libavutil/mathematics.h" +#include "libavutil/hwcontext.h" +#include "libavutil/hwcontext_cuda_internal.h" +#include "libavutil/cuda_check.h" +#include "libavutil/fifo.h" +#include "libavutil/log.h" +#include "libavutil/opt.h" +#include "libavutil/pixdesc.h" + +#include "avcodec.h" +#include "decode.h" +#include "hwaccel.h" +#include "nvdec.h" +#include "internal.h" + +#if !NVDECAPI_CHECK_VERSION(9, 0) +#define cudaVideoSurfaceFormat_YUV444 2 +#define cudaVideoSurfaceFormat_YUV444_16Bit 3 +#endif + +typedef struct CuvidContext +{ + AVClass *avclass; + + CUvideodecoder cudecoder; + CUvideoparser cuparser; + + char *cu_gpu; + int nb_surfaces; + int drop_second_field; + char *crop_expr; + char *resize_expr; + + struct { + int left; + int top; + int right; + int bottom; + } crop; + + struct { + int width; + int height; + } resize; + + AVBufferRef *hwdevice; + AVBufferRef *hwframe; + + AVBSFContext *bsf; + + AVFifoBuffer *frame_queue; + + int deint_mode; + int deint_mode_current; + int64_t prev_pts; + + int internal_error; + int decoder_flushing; + + int *key_frame; + + cudaVideoCodec codec_type; + cudaVideoChromaFormat chroma_format; + + CUVIDDECODECAPS caps8, caps10, caps12; + + CUVIDPARSERPARAMS cuparseinfo; + CUVIDEOFORMATEX cuparse_ext; + + CudaFunctions *cudl; + CuvidFunctions *cvdl; +} CuvidContext; + +typedef struct CuvidParsedFrame +{ + CUVIDPARSERDISPINFO dispinfo; + int second_field; + int is_deinterlacing; +} CuvidParsedFrame; + +#define CHECK_CU(x) FF_CUDA_CHECK_DL(avctx, ctx->cudl, 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; + CUVIDDECODECAPS *caps = NULL; + CUVIDDECODECREATEINFO cuinfo; + int surface_fmt; + int chroma_444; + + int old_width = avctx->width; + int old_height = avctx->height; + + enum AVPixelFormat pix_fmts[3] = { AV_PIX_FMT_CUDA, + AV_PIX_FMT_NONE, // Will be updated below + AV_PIX_FMT_NONE }; + + av_log(avctx, AV_LOG_TRACE, "pfnSequenceCallback, progressive_sequence=%d\n", format->progressive_sequence); + + memset(&cuinfo, 0, sizeof(cuinfo)); + + ctx->internal_error = 0; + + avctx->coded_width = cuinfo.ulWidth = format->coded_width; + avctx->coded_height = cuinfo.ulHeight = format->coded_height; + + // apply cropping + cuinfo.display_area.left = format->display_area.left + ctx->crop.left; + cuinfo.display_area.top = format->display_area.top + ctx->crop.top; + cuinfo.display_area.right = format->display_area.right - ctx->crop.right; + cuinfo.display_area.bottom = format->display_area.bottom - ctx->crop.bottom; + + // width and height need to be set before calling ff_get_format + if (ctx->resize_expr) { + avctx->width = ctx->resize.width; + avctx->height = ctx->resize.height; + } else { + avctx->width = cuinfo.display_area.right - cuinfo.display_area.left; + avctx->height = cuinfo.display_area.bottom - cuinfo.display_area.top; + } + + // target width/height need to be multiples of two + cuinfo.ulTargetWidth = avctx->width = (avctx->width + 1) & ~1; + cuinfo.ulTargetHeight = avctx->height = (avctx->height + 1) & ~1; + + // aspect ratio conversion, 1:1, depends on scaled resolution + cuinfo.target_rect.left = 0; + cuinfo.target_rect.top = 0; + cuinfo.target_rect.right = cuinfo.ulTargetWidth; + cuinfo.target_rect.bottom = cuinfo.ulTargetHeight; + + chroma_444 = format->chroma_format == cudaVideoChromaFormat_444; + + switch (format->bit_depth_luma_minus8) { + case 0: // 8-bit + pix_fmts[1] = chroma_444 ? AV_PIX_FMT_YUV444P : AV_PIX_FMT_NV12; + caps = &ctx->caps8; + break; + case 2: // 10-bit + pix_fmts[1] = chroma_444 ? AV_PIX_FMT_YUV444P16 : AV_PIX_FMT_P010; + caps = &ctx->caps10; + break; + case 4: // 12-bit + pix_fmts[1] = chroma_444 ? AV_PIX_FMT_YUV444P16 : AV_PIX_FMT_P016; + caps = &ctx->caps12; + break; + default: + break; + } + + if (!caps || !caps->bIsSupported) { + av_log(avctx, AV_LOG_ERROR, "unsupported bit depth: %d\n", + format->bit_depth_luma_minus8 + 8); + ctx->internal_error = AVERROR(EINVAL); + return 0; + } + + surface_fmt = ff_get_format(avctx, pix_fmts); + if (surface_fmt < 0) { + av_log(avctx, AV_LOG_ERROR, "ff_get_format failed: %d\n", surface_fmt); + ctx->internal_error = AVERROR(EINVAL); + return 0; + } + + av_log(avctx, AV_LOG_VERBOSE, "Formats: Original: %s | HW: %s | SW: %s\n", + av_get_pix_fmt_name(avctx->pix_fmt), + av_get_pix_fmt_name(surface_fmt), + av_get_pix_fmt_name(avctx->sw_pix_fmt)); + + avctx->pix_fmt = surface_fmt; + + // Update our hwframe ctx, as the get_format callback might have refreshed it! + if (avctx->hw_frames_ctx) { + av_buffer_unref(&ctx->hwframe); + + ctx->hwframe = av_buffer_ref(avctx->hw_frames_ctx); + if (!ctx->hwframe) { + ctx->internal_error = AVERROR(ENOMEM); + return 0; + } + + hwframe_ctx = (AVHWFramesContext*)ctx->hwframe->data; + } + + ff_set_sar(avctx, av_div_q( + (AVRational){ format->display_aspect_ratio.x, format->display_aspect_ratio.y }, + (AVRational){ avctx->width, avctx->height })); + + ctx->deint_mode_current = format->progressive_sequence + ? cudaVideoDeinterlaceMode_Weave + : ctx->deint_mode; + + if (!format->progressive_sequence && ctx->deint_mode_current == 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 + && avctx->width == old_width + && avctx->height == old_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(ctx->cvdl->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 != avctx->sw_pix_fmt)) { + av_log(avctx, AV_LOG_ERROR, "AVHWFramesContext is already initialized with incompatible parameters\n"); + av_log(avctx, AV_LOG_DEBUG, "width: %d <-> %d\n", hwframe_ctx->width, avctx->width); + av_log(avctx, AV_LOG_DEBUG, "height: %d <-> %d\n", hwframe_ctx->height, avctx->height); + av_log(avctx, AV_LOG_DEBUG, "format: %s <-> cuda\n", av_get_pix_fmt_name(hwframe_ctx->format)); + av_log(avctx, AV_LOG_DEBUG, "sw_format: %s <-> %s\n", + av_get_pix_fmt_name(hwframe_ctx->sw_format), av_get_pix_fmt_name(avctx->sw_pix_fmt)); + ctx->internal_error = AVERROR(EINVAL); + return 0; + } + + ctx->chroma_format = format->chroma_format; + + cuinfo.CodecType = ctx->codec_type = format->codec; + cuinfo.ChromaFormat = format->chroma_format; + + switch (avctx->sw_pix_fmt) { + case AV_PIX_FMT_NV12: + cuinfo.OutputFormat = cudaVideoSurfaceFormat_NV12; + break; + case AV_PIX_FMT_P010: + case AV_PIX_FMT_P016: + cuinfo.OutputFormat = cudaVideoSurfaceFormat_P016; + break; + case AV_PIX_FMT_YUV444P: + cuinfo.OutputFormat = cudaVideoSurfaceFormat_YUV444; + break; + case AV_PIX_FMT_YUV444P16: + cuinfo.OutputFormat = cudaVideoSurfaceFormat_YUV444_16Bit; + break; + default: + av_log(avctx, AV_LOG_ERROR, "Unsupported output format: %s\n", + av_get_pix_fmt_name(avctx->sw_pix_fmt)); + ctx->internal_error = AVERROR(EINVAL); + return 0; + } + + cuinfo.ulNumDecodeSurfaces = ctx->nb_surfaces; + cuinfo.ulNumOutputSurfaces = 1; + cuinfo.ulCreationFlags = cudaVideoCreate_PreferCUVID; + cuinfo.bitDepthMinus8 = format->bit_depth_luma_minus8; + cuinfo.DeinterlaceMode = ctx->deint_mode_current; + + if (ctx->deint_mode_current != cudaVideoDeinterlaceMode_Weave && !ctx->drop_second_field) + avctx->framerate = av_mul_q(avctx->framerate, (AVRational){2, 1}); + + ctx->internal_error = CHECK_CU(ctx->cvdl->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 = avctx->sw_pix_fmt; + 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->key_frame[picparams->CurrPicIdx] = picparams->intra_pic_flag; + + ctx->internal_error = CHECK_CU(ctx->cvdl->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 = { { 0 } }; + + parsed_frame.dispinfo = *dispinfo; + ctx->internal_error = 0; + + if (ctx->deint_mode_current == 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); + if (!ctx->drop_second_field) { + parsed_frame.second_field = 1; + av_fifo_generic_write(ctx->frame_queue, &parsed_frame, sizeof(CuvidParsedFrame), NULL); + } + } + + return 1; +} + +static int cuvid_is_buffer_full(AVCodecContext *avctx) +{ + CuvidContext *ctx = avctx->priv_data; + + int delay = ctx->cuparseinfo.ulMaxDisplayDelay; + if (ctx->deint_mode != cudaVideoDeinterlaceMode_Weave && !ctx->drop_second_field) + delay *= 2; + + return (av_fifo_size(ctx->frame_queue) / sizeof(CuvidParsedFrame)) + delay >= ctx->nb_surfaces; +} + +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 (cuvid_is_buffer_full(avctx) && 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(ctx->cudl->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(ctx->cvdl->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(ctx->cudl->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; + } + + if (!cuvid_is_buffer_full(avctx)) { + AVPacket pkt = {0}; + ret = ff_decode_get_packet(avctx, &pkt); + if (ret < 0 && ret != AVERROR_EOF) + return ret; + ret = cuvid_decode_packet(avctx, &pkt); + av_packet_unref(&pkt); + // cuvid_is_buffer_full() should avoid this. + if (ret == AVERROR(EAGAIN)) + ret = AVERROR_EXTERNAL; + if (ret < 0 && ret != AVERROR_EOF) + return ret; + } + + ret = CHECK_CU(ctx->cudl->cuCtxPushCurrent(cuda_ctx)); + if (ret < 0) + return ret; + + if (av_fifo_size(ctx->frame_queue)) { + const AVPixFmtDescriptor *pixdesc; + 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(ctx->cvdl->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; + } + + pixdesc = av_pix_fmt_desc_get(avctx->sw_pix_fmt); + + for (i = 0; i < pixdesc->nb_components; i++) { + int height = avctx->height >> (i ? pixdesc->log2_chroma_h : 0); + 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 = height, + }; + + ret = CHECK_CU(ctx->cudl->cuMemcpy2DAsync(&cpy, device_hwctx->stream)); + if (ret < 0) + goto error; + + offset += height; + } + + ret = CHECK_CU(ctx->cudl->cuStreamSynchronize(device_hwctx->stream)); + if (ret < 0) + goto error; + } else if (avctx->pix_fmt == AV_PIX_FMT_NV12 || + avctx->pix_fmt == AV_PIX_FMT_P010 || + avctx->pix_fmt == AV_PIX_FMT_P016 || + avctx->pix_fmt == AV_PIX_FMT_YUV444P || + avctx->pix_fmt == AV_PIX_FMT_YUV444P16) { + unsigned int offset = 0; + 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; + } + + pixdesc = av_pix_fmt_desc_get(avctx->sw_pix_fmt); + + tmp_frame->format = AV_PIX_FMT_CUDA; + tmp_frame->hw_frames_ctx = av_buffer_ref(ctx->hwframe); + tmp_frame->width = avctx->width; + tmp_frame->height = avctx->height; + + /* + * Note that the following logic would not work for three plane + * YUV420 because the pitch value is different for the chroma + * planes. + */ + for (i = 0; i < pixdesc->nb_components; i++) { + tmp_frame->data[i] = (uint8_t*)mapped_frame + offset; + tmp_frame->linesize[i] = pitch; + offset += pitch * (avctx->height >> (i ? pixdesc->log2_chroma_h : 0)); + } + + 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->key_frame = ctx->key_frame[parsed_frame.dispinfo.picture_index]; + 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 + frame->pkt_pos = -1; + frame->pkt_duration = 0; + frame->pkt_size = -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(ctx->cvdl->cuvidUnmapVideoFrame(ctx->cudecoder, mapped_frame)); + + eret = CHECK_CU(ctx->cudl->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_current != 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) + ctx->cvdl->cuvidDestroyVideoParser(ctx->cuparser); + + if (ctx->cudecoder) + ctx->cvdl->cuvidDestroyDecoder(ctx->cudecoder); + + ctx->cudl = NULL; + + av_buffer_unref(&ctx->hwframe); + av_buffer_unref(&ctx->hwdevice); + + av_freep(&ctx->key_frame); + + cuvid_free_functions(&ctx->cvdl); + + return 0; +} + +static int cuvid_test_capabilities(AVCodecContext *avctx, + const CUVIDPARSERPARAMS *cuparseinfo, + int probed_width, + int probed_height, + int bit_depth) +{ + CuvidContext *ctx = avctx->priv_data; + CUVIDDECODECAPS *caps; + int res8 = 0, res10 = 0, res12 = 0; + + if (!ctx->cvdl->cuvidGetDecoderCaps) { + av_log(avctx, AV_LOG_WARNING, "Used Nvidia driver is too old to perform a capability check.\n"); + av_log(avctx, AV_LOG_WARNING, "The minimum required version is " +#if defined(_WIN32) || defined(__CYGWIN__) + "378.66" +#else + "378.13" +#endif + ". Continuing blind.\n"); + ctx->caps8.bIsSupported = ctx->caps10.bIsSupported = 1; + // 12 bit was not supported before the capability check was introduced, so disable it. + ctx->caps12.bIsSupported = 0; + return 0; + } + + ctx->caps8.eCodecType = ctx->caps10.eCodecType = ctx->caps12.eCodecType + = cuparseinfo->CodecType; + ctx->caps8.eChromaFormat = ctx->caps10.eChromaFormat = ctx->caps12.eChromaFormat + = cudaVideoChromaFormat_420; + + ctx->caps8.nBitDepthMinus8 = 0; + ctx->caps10.nBitDepthMinus8 = 2; + ctx->caps12.nBitDepthMinus8 = 4; + + res8 = CHECK_CU(ctx->cvdl->cuvidGetDecoderCaps(&ctx->caps8)); + res10 = CHECK_CU(ctx->cvdl->cuvidGetDecoderCaps(&ctx->caps10)); + res12 = CHECK_CU(ctx->cvdl->cuvidGetDecoderCaps(&ctx->caps12)); + + av_log(avctx, AV_LOG_VERBOSE, "CUVID capabilities for %s:\n", avctx->codec->name); + av_log(avctx, AV_LOG_VERBOSE, "8 bit: supported: %d, min_width: %d, max_width: %d, min_height: %d, max_height: %d\n", + ctx->caps8.bIsSupported, ctx->caps8.nMinWidth, ctx->caps8.nMaxWidth, ctx->caps8.nMinHeight, ctx->caps8.nMaxHeight); + av_log(avctx, AV_LOG_VERBOSE, "10 bit: supported: %d, min_width: %d, max_width: %d, min_height: %d, max_height: %d\n", + ctx->caps10.bIsSupported, ctx->caps10.nMinWidth, ctx->caps10.nMaxWidth, ctx->caps10.nMinHeight, ctx->caps10.nMaxHeight); + av_log(avctx, AV_LOG_VERBOSE, "12 bit: supported: %d, min_width: %d, max_width: %d, min_height: %d, max_height: %d\n", + ctx->caps12.bIsSupported, ctx->caps12.nMinWidth, ctx->caps12.nMaxWidth, ctx->caps12.nMinHeight, ctx->caps12.nMaxHeight); + + switch (bit_depth) { + case 10: + caps = &ctx->caps10; + if (res10 < 0) + return res10; + break; + case 12: + caps = &ctx->caps12; + if (res12 < 0) + return res12; + break; + default: + caps = &ctx->caps8; + if (res8 < 0) + return res8; + } + + if (!ctx->caps8.bIsSupported) { + av_log(avctx, AV_LOG_ERROR, "Codec %s is not supported.\n", avctx->codec->name); + return AVERROR(EINVAL); + } + + if (!caps->bIsSupported) { + av_log(avctx, AV_LOG_ERROR, "Bit depth %d is not supported.\n", bit_depth); + return AVERROR(EINVAL); + } + + if (probed_width > caps->nMaxWidth || probed_width < caps->nMinWidth) { + av_log(avctx, AV_LOG_ERROR, "Video width %d not within range from %d to %d\n", + probed_width, caps->nMinWidth, caps->nMaxWidth); + return AVERROR(EINVAL); + } + + if (probed_height > caps->nMaxHeight || probed_height < caps->nMinHeight) { + av_log(avctx, AV_LOG_ERROR, "Video height %d not within range from %d to %d\n", + probed_height, caps->nMinHeight, caps->nMaxHeight); + return AVERROR(EINVAL); + } + + 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 }; + + int probed_width = avctx->coded_width ? avctx->coded_width : 1280; + int probed_height = avctx->coded_height ? avctx->coded_height : 720; + int probed_bit_depth = 8; + + const AVPixFmtDescriptor *probe_desc = av_pix_fmt_desc_get(avctx->pix_fmt); + if (probe_desc && probe_desc->nb_components) + probed_bit_depth = probe_desc->comp[0].depth; + + // Accelerated transcoding scenarios with 'ffmpeg' require that the + // pix_fmt be set to AV_PIX_FMT_CUDA early. The sw_pix_fmt, and the + // pix_fmt for non-accelerated transcoding, do not need to be correct + // but need to be set to something. We arbitrarily pick NV12. + 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; + } + avctx->pix_fmt = ret; + + if (ctx->resize_expr && sscanf(ctx->resize_expr, "%dx%d", + &ctx->resize.width, &ctx->resize.height) != 2) { + av_log(avctx, AV_LOG_ERROR, "Invalid resize expressions\n"); + ret = AVERROR(EINVAL); + goto error; + } + + if (ctx->crop_expr && sscanf(ctx->crop_expr, "%dx%dx%dx%d", + &ctx->crop.top, &ctx->crop.bottom, + &ctx->crop.left, &ctx->crop.right) != 4) { + av_log(avctx, AV_LOG_ERROR, "Invalid cropping expressions\n"); + ret = AVERROR(EINVAL); + goto error; + } + + ret = cuvid_load_functions(&ctx->cvdl, avctx); + if (ret < 0) { + av_log(avctx, AV_LOG_ERROR, "Failed loading nvcuvid.\n"); + goto error; + } + + ctx->frame_queue = av_fifo_alloc(ctx->nb_surfaces * sizeof(CuvidParsedFrame)); + if (!ctx->frame_queue) { + ret = AVERROR(ENOMEM); + goto error; + } + + 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 { + if (avctx->hw_device_ctx) { + ctx->hwdevice = av_buffer_ref(avctx->hw_device_ctx); + 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; + ctx->cudl = device_hwctx->internal->cuda_dl; + + 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_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->key_frame = av_mallocz(ctx->nb_surfaces * sizeof(int)); + if (!ctx->key_frame) { + ret = AVERROR(ENOMEM); + goto error; + } + + ctx->cuparseinfo.ulMaxNumDecodeSurfaces = ctx->nb_surfaces; + 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(ctx->cudl->cuCtxPushCurrent(cuda_ctx)); + if (ret < 0) + goto error; + + ret = cuvid_test_capabilities(avctx, &ctx->cuparseinfo, + probed_width, + probed_height, + probed_bit_depth); + if (ret < 0) + goto error; + + ret = CHECK_CU(ctx->cvdl->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(ctx->cvdl->cuvidParseVideoData(ctx->cuparser, &seq_pkt)); + if (ret < 0) + goto error; + } + + ret = CHECK_CU(ctx->cudl->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(ctx->cudl->cuCtxPushCurrent(cuda_ctx)); + if (ret < 0) + goto error; + + av_fifo_freep(&ctx->frame_queue); + + ctx->frame_queue = av_fifo_alloc(ctx->nb_surfaces * sizeof(CuvidParsedFrame)); + if (!ctx->frame_queue) { + av_log(avctx, AV_LOG_ERROR, "Failed to recreate frame queue on flush\n"); + return; + } + + if (ctx->cudecoder) { + ctx->cvdl->cuvidDestroyDecoder(ctx->cudecoder); + ctx->cudecoder = NULL; + } + + if (ctx->cuparser) { + ctx->cvdl->cuvidDestroyVideoParser(ctx->cuparser); + ctx->cuparser = NULL; + } + + ret = CHECK_CU(ctx->cvdl->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(ctx->cvdl->cuvidParseVideoData(ctx->cuparser, &seq_pkt)); + if (ret < 0) + goto error; + } + + ret = CHECK_CU(ctx->cudl->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 }, + { "surfaces", "Maximum surfaces to be used for decoding", OFFSET(nb_surfaces), AV_OPT_TYPE_INT, { .i64 = 25 }, 0, INT_MAX, VD }, + { "drop_second_field", "Drop second field when deinterlacing", OFFSET(drop_second_field), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VD }, + { "crop", "Crop (top)x(bottom)x(left)x(right)", OFFSET(crop_expr), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VD }, + { "resize", "Resize (width)x(height)", OFFSET(resize_expr), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VD }, + { NULL } +}; + +static const AVCodecHWConfigInternal *cuvid_hw_configs[] = { + &(const AVCodecHWConfigInternal) { + .public = { + .pix_fmt = AV_PIX_FMT_CUDA, + .methods = AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX | + AV_CODEC_HW_CONFIG_METHOD_INTERNAL, + .device_type = AV_HWDEVICE_TYPE_CUDA + }, + .hwaccel = NULL, + }, + 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, \ + }; \ + 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, \ + .receive_frame = cuvid_output_frame, \ + .flush = cuvid_flush, \ + .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AVOID_PROBING | AV_CODEC_CAP_HARDWARE, \ + .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_CUDA, \ + AV_PIX_FMT_NV12, \ + AV_PIX_FMT_P010, \ + AV_PIX_FMT_P016, \ + AV_PIX_FMT_NONE }, \ + .hw_configs = cuvid_hw_configs, \ + .wrapper_name = "cuvid", \ + }; + +#if CONFIG_HEVC_CUVID_DECODER +DEFINE_CUVID_CODEC(hevc, HEVC) +#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 |