mirror of
https://github.com/xenia-project/FFmpeg.git
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lavfi: add an NVIDIA NPP-based scaling filter
This commit is contained in:
Anton Khirnov
parent
98114d70e4
commit
8a02a8031e
@ -52,6 +52,7 @@ version <next>:
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- G.723.1 muxer and encoder
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- compressed SWF
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- VAAPI-accelerated format conversion and scaling
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- libnpp/CUDA-accelerated format conversion and scaling
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version 11:
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5
configure
vendored
5
configure
vendored
@ -195,6 +195,7 @@ External library support:
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--enable-libkvazaar enable HEVC encoding via libkvazaar [no]
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--enable-libmfx enable HW acceleration through libmfx
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--enable-libmp3lame enable MP3 encoding via libmp3lame [no]
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--enable-libnpp enable NVIDIA Performance Primitives-based code [no]
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--enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
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--enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
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--enable-libopencv enable video filtering via libopencv [no]
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@ -1222,6 +1223,7 @@ EXTERNAL_LIBRARY_LIST="
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libkvazaar
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libmfx
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libmp3lame
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libnpp
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libopencore_amrnb
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libopencore_amrwb
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libopencv
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@ -2359,6 +2361,7 @@ interlace_filter_deps="gpl"
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ocv_filter_deps="libopencv"
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resample_filter_deps="avresample"
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scale_filter_deps="swscale"
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scale_npp_filter_deps="cuda libnpp"
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scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
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# examples
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@ -4024,6 +4027,7 @@ die_license_disabled gpl x11grab
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die_license_disabled nonfree cuda
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die_license_disabled nonfree libfaac
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die_license_disabled nonfree libfdk_aac
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die_license_disabled nonfree libnpp
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die_license_disabled nonfree nvenc
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die_license_disabled nonfree openssl
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@ -4520,6 +4524,7 @@ enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -li
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enabled libkvazaar && require_pkg_config "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
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enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
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enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
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enabled libnpp && require libnpp npp.h nppGetLibVersion -lnppi -lnppc
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enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
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enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
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enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
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@ -2181,6 +2181,44 @@ scale="trunc(3/2*iw/hsub)*hsub:trunc(3/2*ih/vsub)*vsub"
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scale=w='min(500\, iw*3/2):h=-1'
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@end example
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@section scale_npp
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Use the NVIDIA Performance Primitives (libnpp) to perform scaling and/or pixel
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format conversion on CUDA video frames. Setting the output width and height
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works in the same way as for the @var{scale} filter.
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The following additional options are accepted:
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@table @option
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@item format
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The pixel format of the output CUDA frames. If set to the string "same" (the
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default), the input format will be kept. Note that automatic format negotiation
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and conversion is not yet supported for hardware frames
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@item interp_algo
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The interpolation algorithm used for resizing. One of the following:
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@table @option
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@item nn
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Nearest neighbour.
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@item linear
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@item cubic
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@item cubic2p_bspline
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2-parameter cubic (B=1, C=0)
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@item cubic2p_catmullrom
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2-parameter cubic (B=0, C=1/2)
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@item cubic2p_b05c03
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2-parameter cubic (B=1/2, C=3/10)
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@item super
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Supersampling
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@item lanczos
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@end table
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@end table
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@section select
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Select frames to pass in output.
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@ -71,6 +71,7 @@ OBJS-$(CONFIG_OVERLAY_FILTER) += vf_overlay.o
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OBJS-$(CONFIG_PAD_FILTER) += vf_pad.o
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OBJS-$(CONFIG_PIXDESCTEST_FILTER) += vf_pixdesctest.o
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OBJS-$(CONFIG_SCALE_FILTER) += vf_scale.o
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OBJS-$(CONFIG_SCALE_NPP_FILTER) += vf_scale_npp.o
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OBJS-$(CONFIG_SCALE_VAAPI_FILTER) += vf_scale_vaapi.o
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OBJS-$(CONFIG_SELECT_FILTER) += vf_select.o
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OBJS-$(CONFIG_SETDAR_FILTER) += vf_aspect.o
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@ -97,6 +97,7 @@ void avfilter_register_all(void)
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REGISTER_FILTER(PAD, pad, vf);
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REGISTER_FILTER(PIXDESCTEST, pixdesctest, vf);
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REGISTER_FILTER(SCALE, scale, vf);
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REGISTER_FILTER(SCALE_NPP, scale_npp, vf);
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REGISTER_FILTER(SCALE_VAAPI, scale_vaapi, vf);
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REGISTER_FILTER(SELECT, select, vf);
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REGISTER_FILTER(SETDAR, setdar, vf);
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@ -30,7 +30,7 @@
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#include "libavutil/version.h"
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#define LIBAVFILTER_VERSION_MAJOR 6
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#define LIBAVFILTER_VERSION_MINOR 3
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#define LIBAVFILTER_VERSION_MINOR 4
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#define LIBAVFILTER_VERSION_MICRO 0
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#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
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660
libavfilter/vf_scale_npp.c
Normal file
660
libavfilter/vf_scale_npp.c
Normal file
@ -0,0 +1,660 @@
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/*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* scale video filter
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*/
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#include <nppi.h>
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#include <stdio.h>
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#include <string.h>
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#include "libavutil/avstring.h"
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#include "libavutil/common.h"
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#include "libavutil/eval.h"
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#include "libavutil/hwcontext.h"
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#include "libavutil/hwcontext_cuda.h"
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#include "libavutil/internal.h"
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#include "libavutil/mathematics.h"
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#include "libavutil/opt.h"
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#include "libavutil/pixdesc.h"
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#include "avfilter.h"
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#include "formats.h"
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#include "internal.h"
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#include "video.h"
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static const enum AVPixelFormat supported_formats[] = {
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AV_PIX_FMT_YUV420P,
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AV_PIX_FMT_NV12,
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AV_PIX_FMT_YUV444P,
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};
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static const enum AVPixelFormat deinterleaved_formats[][2] = {
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{ AV_PIX_FMT_NV12, AV_PIX_FMT_YUV420P },
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};
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static const char *const var_names[] = {
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"PI",
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"PHI",
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"E",
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"in_w", "iw",
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"in_h", "ih",
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"out_w", "ow",
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"out_h", "oh",
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"a", "dar",
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"sar",
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NULL
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};
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enum var_name {
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VAR_PI,
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VAR_PHI,
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VAR_E,
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VAR_IN_W, VAR_IW,
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VAR_IN_H, VAR_IH,
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VAR_OUT_W, VAR_OW,
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VAR_OUT_H, VAR_OH,
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VAR_A, VAR_DAR,
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VAR_SAR,
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VARS_NB
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};
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enum ScaleStage {
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STAGE_DEINTERLEAVE,
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STAGE_RESIZE,
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STAGE_INTERLEAVE,
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STAGE_NB,
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};
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typedef struct NPPScaleStageContext {
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int stage_needed;
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enum AVPixelFormat in_fmt;
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enum AVPixelFormat out_fmt;
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struct {
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int width;
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int height;
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} planes_in[3], planes_out[3];
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AVBufferRef *frames_ctx;
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AVFrame *frame;
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} NPPScaleStageContext;
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typedef struct NPPScaleContext {
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const AVClass *class;
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NPPScaleStageContext stages[STAGE_NB];
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AVFrame *tmp_frame;
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int passthrough;
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int shift_width, shift_height;
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/**
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* New dimensions. Special values are:
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* 0 = original width/height
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* -1 = keep original aspect
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*/
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int w, h;
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/**
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* Output sw format. AV_PIX_FMT_NONE for no conversion.
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*/
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enum AVPixelFormat format;
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char *w_expr; ///< width expression string
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char *h_expr; ///< height expression string
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char *format_str;
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int interp_algo;
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} NPPScaleContext;
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static int nppscale_init(AVFilterContext *ctx)
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{
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NPPScaleContext *s = ctx->priv;
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int i;
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if (!strcmp(s->format_str, "same")) {
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s->format = AV_PIX_FMT_NONE;
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} else {
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s->format = av_get_pix_fmt(s->format_str);
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if (s->format == AV_PIX_FMT_NONE) {
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av_log(ctx, AV_LOG_ERROR, "Unrecognized pixel format: %s\n", s->format_str);
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return AVERROR(EINVAL);
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}
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}
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for (i = 0; i < FF_ARRAY_ELEMS(s->stages); i++) {
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s->stages[i].frame = av_frame_alloc();
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if (!s->stages[i].frame)
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return AVERROR(ENOMEM);
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}
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s->tmp_frame = av_frame_alloc();
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if (!s->tmp_frame)
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return AVERROR(ENOMEM);
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return 0;
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}
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static void nppscale_uninit(AVFilterContext *ctx)
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{
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NPPScaleContext *s = ctx->priv;
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int i;
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for (i = 0; i < FF_ARRAY_ELEMS(s->stages); i++) {
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av_frame_free(&s->stages[i].frame);
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av_buffer_unref(&s->stages[i].frames_ctx);
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}
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av_frame_free(&s->tmp_frame);
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}
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static int nppscale_query_formats(AVFilterContext *ctx)
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{
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static const enum AVPixelFormat pixel_formats[] = {
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AV_PIX_FMT_CUDA, AV_PIX_FMT_NONE,
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};
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AVFilterFormats *pix_fmts = ff_make_format_list(pixel_formats);
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ff_set_common_formats(ctx, pix_fmts);
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return 0;
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}
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static int init_stage(NPPScaleStageContext *stage, AVBufferRef *device_ctx)
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{
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AVBufferRef *out_ref = NULL;
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AVHWFramesContext *out_ctx;
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int in_sw, in_sh, out_sw, out_sh;
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int ret, i;
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av_pix_fmt_get_chroma_sub_sample(stage->in_fmt, &in_sw, &in_sh);
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av_pix_fmt_get_chroma_sub_sample(stage->out_fmt, &out_sw, &out_sh);
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if (!stage->planes_out[0].width) {
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stage->planes_out[0].width = stage->planes_in[0].width;
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stage->planes_out[0].height = stage->planes_in[0].height;
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}
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for (i = 1; i < FF_ARRAY_ELEMS(stage->planes_in); i++) {
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stage->planes_in[i].width = stage->planes_in[0].width >> in_sw;
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stage->planes_in[i].height = stage->planes_in[0].height >> in_sh;
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stage->planes_out[i].width = stage->planes_out[0].width >> out_sw;
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stage->planes_out[i].height = stage->planes_out[0].height >> out_sh;
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}
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out_ref = av_hwframe_ctx_alloc(device_ctx);
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if (!out_ref)
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return AVERROR(ENOMEM);
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out_ctx = (AVHWFramesContext*)out_ref->data;
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out_ctx->format = AV_PIX_FMT_CUDA;
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out_ctx->sw_format = stage->out_fmt;
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out_ctx->width = FFALIGN(stage->planes_out[0].width, 32);
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out_ctx->height = FFALIGN(stage->planes_out[0].height, 32);
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ret = av_hwframe_ctx_init(out_ref);
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if (ret < 0)
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goto fail;
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av_frame_unref(stage->frame);
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ret = av_hwframe_get_buffer(out_ref, stage->frame, 0);
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if (ret < 0)
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goto fail;
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stage->frame->width = stage->planes_out[0].width;
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stage->frame->height = stage->planes_out[0].height;
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av_buffer_unref(&stage->frames_ctx);
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stage->frames_ctx = out_ref;
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return 0;
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fail:
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av_buffer_unref(&out_ref);
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return ret;
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}
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static int format_is_supported(enum AVPixelFormat fmt)
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{
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int i;
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for (i = 0; i < FF_ARRAY_ELEMS(supported_formats); i++)
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if (supported_formats[i] == fmt)
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return 1;
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return 0;
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}
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static enum AVPixelFormat get_deinterleaved_format(enum AVPixelFormat fmt)
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{
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(fmt);
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int i, planes;
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planes = av_pix_fmt_count_planes(fmt);
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if (planes == desc->nb_components)
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return fmt;
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for (i = 0; i < FF_ARRAY_ELEMS(deinterleaved_formats); i++)
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if (deinterleaved_formats[i][0] == fmt)
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return deinterleaved_formats[i][1];
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return AV_PIX_FMT_NONE;
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}
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static int init_processing_chain(AVFilterContext *ctx, int in_width, int in_height,
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int out_width, int out_height)
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{
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NPPScaleContext *s = ctx->priv;
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AVHWFramesContext *in_frames_ctx;
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enum AVPixelFormat in_format;
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enum AVPixelFormat out_format;
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enum AVPixelFormat in_deinterleaved_format;
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enum AVPixelFormat out_deinterleaved_format;
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int i, ret, last_stage = -1;
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/* check that we have a hw context */
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if (!ctx->inputs[0]->hw_frames_ctx) {
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av_log(ctx, AV_LOG_ERROR, "No hw context provided on input\n");
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return AVERROR(EINVAL);
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}
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in_frames_ctx = (AVHWFramesContext*)ctx->inputs[0]->hw_frames_ctx->data;
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in_format = in_frames_ctx->sw_format;
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out_format = (s->format == AV_PIX_FMT_NONE) ? in_format : s->format;
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if (!format_is_supported(in_format)) {
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av_log(ctx, AV_LOG_ERROR, "Unsupported input format: %s\n",
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av_get_pix_fmt_name(in_format));
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return AVERROR(ENOSYS);
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}
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if (!format_is_supported(out_format)) {
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av_log(ctx, AV_LOG_ERROR, "Unsupported output format: %s\n",
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av_get_pix_fmt_name(out_format));
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return AVERROR(ENOSYS);
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}
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in_deinterleaved_format = get_deinterleaved_format(in_format);
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out_deinterleaved_format = get_deinterleaved_format(out_format);
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if (in_deinterleaved_format == AV_PIX_FMT_NONE ||
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out_deinterleaved_format == AV_PIX_FMT_NONE)
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return AVERROR_BUG;
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/* figure out which stages need to be done */
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if (in_width != out_width || in_height != out_height ||
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in_deinterleaved_format != out_deinterleaved_format)
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s->stages[STAGE_RESIZE].stage_needed = 1;
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if (!s->stages[STAGE_RESIZE].stage_needed && in_format == out_format)
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s->passthrough = 1;
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if (!s->passthrough) {
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if (in_format != in_deinterleaved_format)
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s->stages[STAGE_DEINTERLEAVE].stage_needed = 1;
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if (out_format != out_deinterleaved_format)
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s->stages[STAGE_INTERLEAVE].stage_needed = 1;
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}
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s->stages[STAGE_DEINTERLEAVE].in_fmt = in_format;
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s->stages[STAGE_DEINTERLEAVE].out_fmt = in_deinterleaved_format;
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s->stages[STAGE_DEINTERLEAVE].planes_in[0].width = in_width;
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s->stages[STAGE_DEINTERLEAVE].planes_in[0].height = in_height;
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s->stages[STAGE_RESIZE].in_fmt = in_deinterleaved_format;
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s->stages[STAGE_RESIZE].out_fmt = out_deinterleaved_format;
|
||||
s->stages[STAGE_RESIZE].planes_in[0].width = in_width;
|
||||
s->stages[STAGE_RESIZE].planes_in[0].height = in_height;
|
||||
s->stages[STAGE_RESIZE].planes_out[0].width = out_width;
|
||||
s->stages[STAGE_RESIZE].planes_out[0].height = out_height;
|
||||
|
||||
s->stages[STAGE_INTERLEAVE].in_fmt = out_deinterleaved_format;
|
||||
s->stages[STAGE_INTERLEAVE].out_fmt = out_format;
|
||||
s->stages[STAGE_INTERLEAVE].planes_in[0].width = out_width;
|
||||
s->stages[STAGE_INTERLEAVE].planes_in[0].height = out_height;
|
||||
|
||||
/* init the hardware contexts */
|
||||
for (i = 0; i < FF_ARRAY_ELEMS(s->stages); i++) {
|
||||
if (!s->stages[i].stage_needed)
|
||||
continue;
|
||||
|
||||
ret = init_stage(&s->stages[i], in_frames_ctx->device_ref);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
last_stage = i;
|
||||
}
|
||||
|
||||
if (last_stage < 0)
|
||||
return AVERROR_BUG;
|
||||
ctx->outputs[0]->hw_frames_ctx = av_buffer_ref(s->stages[last_stage].frames_ctx);
|
||||
if (!ctx->outputs[0]->hw_frames_ctx)
|
||||
return AVERROR(ENOMEM);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int nppscale_config_props(AVFilterLink *outlink)
|
||||
{
|
||||
AVFilterContext *ctx = outlink->src;
|
||||
AVFilterLink *inlink = outlink->src->inputs[0];
|
||||
NPPScaleContext *s = ctx->priv;
|
||||
int64_t w, h;
|
||||
double var_values[VARS_NB], res;
|
||||
char *expr;
|
||||
int ret;
|
||||
|
||||
var_values[VAR_PI] = M_PI;
|
||||
var_values[VAR_PHI] = M_PHI;
|
||||
var_values[VAR_E] = M_E;
|
||||
var_values[VAR_IN_W] = var_values[VAR_IW] = inlink->w;
|
||||
var_values[VAR_IN_H] = var_values[VAR_IH] = inlink->h;
|
||||
var_values[VAR_OUT_W] = var_values[VAR_OW] = NAN;
|
||||
var_values[VAR_OUT_H] = var_values[VAR_OH] = NAN;
|
||||
var_values[VAR_A] = (double) inlink->w / inlink->h;
|
||||
var_values[VAR_SAR] = inlink->sample_aspect_ratio.num ?
|
||||
(double) inlink->sample_aspect_ratio.num / inlink->sample_aspect_ratio.den : 1;
|
||||
var_values[VAR_DAR] = var_values[VAR_A] * var_values[VAR_SAR];
|
||||
|
||||
/* evaluate width and height */
|
||||
av_expr_parse_and_eval(&res, (expr = s->w_expr),
|
||||
var_names, var_values,
|
||||
NULL, NULL, NULL, NULL, NULL, 0, ctx);
|
||||
s->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = res;
|
||||
if ((ret = av_expr_parse_and_eval(&res, (expr = s->h_expr),
|
||||
var_names, var_values,
|
||||
NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
|
||||
goto fail;
|
||||
s->h = var_values[VAR_OUT_H] = var_values[VAR_OH] = res;
|
||||
/* evaluate again the width, as it may depend on the output height */
|
||||
if ((ret = av_expr_parse_and_eval(&res, (expr = s->w_expr),
|
||||
var_names, var_values,
|
||||
NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
|
||||
goto fail;
|
||||
s->w = res;
|
||||
|
||||
w = s->w;
|
||||
h = s->h;
|
||||
|
||||
/* sanity check params */
|
||||
if (w < -1 || h < -1) {
|
||||
av_log(ctx, AV_LOG_ERROR, "Size values less than -1 are not acceptable.\n");
|
||||
return AVERROR(EINVAL);
|
||||
}
|
||||
if (w == -1 && h == -1)
|
||||
s->w = s->h = 0;
|
||||
|
||||
if (!(w = s->w))
|
||||
w = inlink->w;
|
||||
if (!(h = s->h))
|
||||
h = inlink->h;
|
||||
if (w == -1)
|
||||
w = av_rescale(h, inlink->w, inlink->h);
|
||||
if (h == -1)
|
||||
h = av_rescale(w, inlink->h, inlink->w);
|
||||
|
||||
if (w > INT_MAX || h > INT_MAX ||
|
||||
(h * inlink->w) > INT_MAX ||
|
||||
(w * inlink->h) > INT_MAX)
|
||||
av_log(ctx, AV_LOG_ERROR, "Rescaled value for width or height is too big.\n");
|
||||
|
||||
outlink->w = w;
|
||||
outlink->h = h;
|
||||
|
||||
ret = init_processing_chain(ctx, inlink->w, inlink->h, w, h);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d -> w:%d h:%d\n",
|
||||
inlink->w, inlink->h, outlink->w, outlink->h);
|
||||
|
||||
if (inlink->sample_aspect_ratio.num)
|
||||
outlink->sample_aspect_ratio = av_mul_q((AVRational){outlink->h*inlink->w,
|
||||
outlink->w*inlink->h},
|
||||
inlink->sample_aspect_ratio);
|
||||
else
|
||||
outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
|
||||
|
||||
return 0;
|
||||
|
||||
fail:
|
||||
av_log(NULL, AV_LOG_ERROR,
|
||||
"Error when evaluating the expression '%s'\n", expr);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int nppscale_deinterleave(AVFilterContext *ctx, NPPScaleStageContext *stage,
|
||||
AVFrame *out, AVFrame *in)
|
||||
{
|
||||
AVHWFramesContext *in_frames_ctx = (AVHWFramesContext*)in->hw_frames_ctx->data;
|
||||
NppStatus err;
|
||||
|
||||
switch (in_frames_ctx->sw_format) {
|
||||
case AV_PIX_FMT_NV12:
|
||||
err = nppiYCbCr420_8u_P2P3R(in->data[0], in->linesize[0],
|
||||
in->data[1], in->linesize[1],
|
||||
out->data, out->linesize,
|
||||
(NppiSize){ in->width, in->height });
|
||||
break;
|
||||
default:
|
||||
return AVERROR_BUG;
|
||||
}
|
||||
if (err != NPP_SUCCESS) {
|
||||
av_log(ctx, AV_LOG_ERROR, "NPP deinterleave error: %d\n", err);
|
||||
return AVERROR_UNKNOWN;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int nppscale_resize(AVFilterContext *ctx, NPPScaleStageContext *stage,
|
||||
AVFrame *out, AVFrame *in)
|
||||
{
|
||||
NPPScaleContext *s = ctx->priv;
|
||||
NppStatus err;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < FF_ARRAY_ELEMS(in->data) && in->data[i]; i++) {
|
||||
int iw = stage->planes_in[i].width;
|
||||
int ih = stage->planes_in[i].height;
|
||||
int ow = stage->planes_out[i].width;
|
||||
int oh = stage->planes_out[i].height;
|
||||
|
||||
err = nppiResizeSqrPixel_8u_C1R(in->data[i], (NppiSize){ iw, ih },
|
||||
in->linesize[i], (NppiRect){ 0, 0, iw, ih },
|
||||
out->data[i], out->linesize[i],
|
||||
(NppiRect){ 0, 0, ow, oh },
|
||||
(double)ow / iw, (double)oh / ih,
|
||||
0.0, 0.0, s->interp_algo);
|
||||
if (err != NPP_SUCCESS) {
|
||||
av_log(ctx, AV_LOG_ERROR, "NPP resize error: %d\n", err);
|
||||
return AVERROR_UNKNOWN;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int nppscale_interleave(AVFilterContext *ctx, NPPScaleStageContext *stage,
|
||||
AVFrame *out, AVFrame *in)
|
||||
{
|
||||
AVHWFramesContext *out_frames_ctx = (AVHWFramesContext*)out->hw_frames_ctx->data;
|
||||
NppStatus err;
|
||||
|
||||
switch (out_frames_ctx->sw_format) {
|
||||
case AV_PIX_FMT_NV12:
|
||||
err = nppiYCbCr420_8u_P3P2R((const uint8_t**)in->data,
|
||||
in->linesize,
|
||||
out->data[0], out->linesize[0],
|
||||
out->data[1], out->linesize[1],
|
||||
(NppiSize){ in->width, in->height });
|
||||
break;
|
||||
default:
|
||||
return AVERROR_BUG;
|
||||
}
|
||||
if (err != NPP_SUCCESS) {
|
||||
av_log(ctx, AV_LOG_ERROR, "NPP deinterleave error: %d\n", err);
|
||||
return AVERROR_UNKNOWN;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int (*const nppscale_process[])(AVFilterContext *ctx, NPPScaleStageContext *stage,
|
||||
AVFrame *out, AVFrame *in) = {
|
||||
[STAGE_DEINTERLEAVE] = nppscale_deinterleave,
|
||||
[STAGE_RESIZE] = nppscale_resize,
|
||||
[STAGE_INTERLEAVE] = nppscale_interleave,
|
||||
};
|
||||
|
||||
static int nppscale_scale(AVFilterContext *ctx, AVFrame *out, AVFrame *in)
|
||||
{
|
||||
NPPScaleContext *s = ctx->priv;
|
||||
AVFrame *src = in;
|
||||
int i, ret, last_stage = -1;
|
||||
|
||||
for (i = 0; i < FF_ARRAY_ELEMS(s->stages); i++) {
|
||||
if (!s->stages[i].stage_needed)
|
||||
continue;
|
||||
|
||||
ret = nppscale_process[i](ctx, &s->stages[i], s->stages[i].frame, src);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
src = s->stages[i].frame;
|
||||
last_stage = i;
|
||||
}
|
||||
|
||||
if (last_stage < 0)
|
||||
return AVERROR_BUG;
|
||||
ret = av_hwframe_get_buffer(src->hw_frames_ctx, s->tmp_frame, 0);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
av_frame_move_ref(out, src);
|
||||
av_frame_move_ref(src, s->tmp_frame);
|
||||
|
||||
ret = av_frame_copy_props(out, in);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int nppscale_filter_frame(AVFilterLink *link, AVFrame *in)
|
||||
{
|
||||
AVFilterContext *ctx = link->dst;
|
||||
NPPScaleContext *s = ctx->priv;
|
||||
AVFilterLink *outlink = ctx->outputs[0];
|
||||
AVHWFramesContext *frames_ctx = (AVHWFramesContext*)outlink->hw_frames_ctx->data;
|
||||
AVCUDADeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx;
|
||||
|
||||
AVFrame *out = NULL;
|
||||
CUresult err;
|
||||
CUcontext dummy;
|
||||
int ret = 0;
|
||||
|
||||
if (s->passthrough)
|
||||
return ff_filter_frame(outlink, in);
|
||||
|
||||
out = av_frame_alloc();
|
||||
if (!out) {
|
||||
ret = AVERROR(ENOMEM);
|
||||
goto fail;
|
||||
}
|
||||
|
||||
av_reduce(&out->sample_aspect_ratio.num, &out->sample_aspect_ratio.den,
|
||||
(int64_t)in->sample_aspect_ratio.num * outlink->h * link->w,
|
||||
(int64_t)in->sample_aspect_ratio.den * outlink->w * link->h,
|
||||
INT_MAX);
|
||||
|
||||
err = cuCtxPushCurrent(device_hwctx->cuda_ctx);
|
||||
if (err != CUDA_SUCCESS) {
|
||||
ret = AVERROR_UNKNOWN;
|
||||
goto fail;
|
||||
}
|
||||
|
||||
ret = nppscale_scale(ctx, out, in);
|
||||
|
||||
cuCtxPopCurrent(&dummy);
|
||||
if (ret < 0)
|
||||
goto fail;
|
||||
|
||||
av_frame_free(&in);
|
||||
return ff_filter_frame(outlink, out);
|
||||
fail:
|
||||
av_frame_free(&in);
|
||||
av_frame_free(&out);
|
||||
return ret;
|
||||
}
|
||||
|
||||
#define OFFSET(x) offsetof(NPPScaleContext, x)
|
||||
#define FLAGS AV_OPT_FLAG_VIDEO_PARAM
|
||||
static const AVOption options[] = {
|
||||
{ "w", "Output video width", OFFSET(w_expr), AV_OPT_TYPE_STRING, { .str = "iw" }, .flags = FLAGS },
|
||||
{ "h", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, { .str = "ih" }, .flags = FLAGS },
|
||||
{ "format", "Output pixel format", OFFSET(format_str), AV_OPT_TYPE_STRING, { .str = "same" }, .flags = FLAGS },
|
||||
|
||||
{ "interp_algo", "Interpolation algorithm used for resizing", OFFSET(interp_algo), AV_OPT_TYPE_INT, { .i64 = NPPI_INTER_CUBIC }, 0, INT_MAX, FLAGS, "interp_algo" },
|
||||
{ "nn", "nearest neighbour", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_NN }, 0, 0, FLAGS, "interp_algo" },
|
||||
{ "linear", "linear", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_LINEAR }, 0, 0, FLAGS, "interp_algo" },
|
||||
{ "cubic", "cubic", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC }, 0, 0, FLAGS, "interp_algo" },
|
||||
{ "cubic2p_bspline", "2-parameter cubic (B=1, C=0)", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC2P_BSPLINE }, 0, 0, FLAGS, "interp_algo" },
|
||||
{ "cubic2p_catmullrom", "2-parameter cubic (B=0, C=1/2)", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC2P_CATMULLROM }, 0, 0, FLAGS, "interp_algo" },
|
||||
{ "cubic2p_b05c03", "2-parameter cubic (B=1/2, C=3/10)", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC2P_B05C03 }, 0, 0, FLAGS, "interp_algo" },
|
||||
{ "super", "supersampling", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_SUPER }, 0, 0, FLAGS, "interp_algo" },
|
||||
{ "lanczos", "Lanczos", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_LANCZOS }, 0, 0, FLAGS, "interp_algo" },
|
||||
{ NULL },
|
||||
};
|
||||
|
||||
static const AVClass nppscale_class = {
|
||||
.class_name = "nppscale",
|
||||
.item_name = av_default_item_name,
|
||||
.option = options,
|
||||
.version = LIBAVUTIL_VERSION_INT,
|
||||
};
|
||||
|
||||
static const AVFilterPad nppscale_inputs[] = {
|
||||
{
|
||||
.name = "default",
|
||||
.type = AVMEDIA_TYPE_VIDEO,
|
||||
.filter_frame = nppscale_filter_frame,
|
||||
},
|
||||
{ NULL }
|
||||
};
|
||||
|
||||
static const AVFilterPad nppscale_outputs[] = {
|
||||
{
|
||||
.name = "default",
|
||||
.type = AVMEDIA_TYPE_VIDEO,
|
||||
.config_props = nppscale_config_props,
|
||||
},
|
||||
{ NULL }
|
||||
};
|
||||
|
||||
AVFilter ff_vf_scale_npp = {
|
||||
.name = "scale_npp",
|
||||
.description = NULL_IF_CONFIG_SMALL("NVIDIA Performance Primitives video "
|
||||
"scaling and format conversion"),
|
||||
|
||||
.init = nppscale_init,
|
||||
.uninit = nppscale_uninit,
|
||||
.query_formats = nppscale_query_formats,
|
||||
|
||||
.priv_size = sizeof(NPPScaleContext),
|
||||
.priv_class = &nppscale_class,
|
||||
|
||||
.inputs = nppscale_inputs,
|
||||
.outputs = nppscale_outputs,
|
||||
};
|
||||
Loading…
Reference in New Issue
Block a user