FFmpeg 7.1 + cuframes input demuxer
Snapshot FFmpeg n7.1 (release tag) с применённым patch'ем для cuframes input format. Используется как FFMPEG_REPO_OVERRIDE в NickM-27/FFmpeg-Builds fork для статической сборки patched binary под Frigate (Debian 12 / glibc 2.36). Apply changes: + libavformat/cuframesdec.c (новый — реализация демуксера) M libavformat/Makefile (CONFIG_CUFRAMES_DEMUXER target) M libavformat/allformats.c (extern declaration) M configure (--enable-libcuframes option + dep check) Patch source: https://git.goldix.org/gx/cuframes (filter/ffmpeg-7.1-cuframes-demuxer.patch) History сброшена (snapshot вместо fork) потому что upstream shallow clone не позволял push в gitea. Полная история FFmpeg — на github.com/FFmpeg/FFmpeg n7.1.
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/*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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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#ifndef AVFILTER_DRAWUTILS_H
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#define AVFILTER_DRAWUTILS_H
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/**
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* @file
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* misc drawing utilities
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*/
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#include <stdint.h>
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#include "avfilter.h"
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#include "libavutil/pixfmt.h"
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int ff_fill_rgba_map(uint8_t *rgba_map, enum AVPixelFormat pix_fmt);
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#define MAX_PLANES 4
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typedef struct FFDrawContext {
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const struct AVPixFmtDescriptor *desc;
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enum AVPixelFormat format;
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unsigned nb_planes;
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int pixelstep[MAX_PLANES]; /*< offset between pixels */
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uint8_t hsub[MAX_PLANES]; /*< horizontal subsampling */
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uint8_t vsub[MAX_PLANES]; /*< vertical subsampling */
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uint8_t hsub_max;
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uint8_t vsub_max;
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enum AVColorRange range;
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unsigned flags;
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enum AVColorSpace csp;
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double rgb2yuv[3][3];
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} FFDrawContext;
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typedef struct FFDrawColor {
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uint8_t rgba[4];
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union {
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uint32_t u32[4];
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uint16_t u16[8];
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uint8_t u8[16];
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} comp[MAX_PLANES];
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} FFDrawColor;
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/**
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* Process alpha pixel component.
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*/
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#define FF_DRAW_PROCESS_ALPHA 1
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/**
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* Init a draw context.
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*
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* Only a limited number of pixel formats are supported, if format is not
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* supported the function will return an error.
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* @param format pixel format of the frames that will be drawn onto
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* @param csp color space of the frames that will be drawn onto,
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* defaulting to BT601 or RGB depending on the specified format
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* when AVCOL_SPC_UNSPECIFIED is passed.
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* @param range sample value range of the frames that will be drawn onto,
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* defaulting to TV-range unless using a legacy J format
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* when AVCOL_RANGE_UNSPECIFIED is passed.
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* @param flags combination of FF_DRAW_* flags.
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* @return 0 for success, < 0 for error
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*/
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int ff_draw_init2(FFDrawContext *draw, enum AVPixelFormat format, enum AVColorSpace csp,
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enum AVColorRange range, unsigned flags);
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/*
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* Legacy wrapper for ff_draw_init2.
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*/
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int ff_draw_init(FFDrawContext *draw, enum AVPixelFormat format, unsigned flags);
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/**
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* Prepare a color. The rgba value passed is always 8-bit full-range in the RGB space
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* corresponding to the space set at initialization.
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*/
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void ff_draw_color(FFDrawContext *draw, FFDrawColor *color, const uint8_t rgba[4]);
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/**
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* Copy a rectangle from an image to another.
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*
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* The coordinates must be as even as the subsampling requires.
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*/
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void ff_copy_rectangle2(FFDrawContext *draw,
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uint8_t *dst[], int dst_linesize[],
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uint8_t *src[], int src_linesize[],
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int dst_x, int dst_y, int src_x, int src_y,
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int w, int h);
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/**
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* Fill a rectangle with an uniform color.
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*
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* The coordinates must be as even as the subsampling requires.
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* The color needs to be inited with ff_draw_color.
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*/
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void ff_fill_rectangle(FFDrawContext *draw, FFDrawColor *color,
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uint8_t *dst[], int dst_linesize[],
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int dst_x, int dst_y, int w, int h);
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/**
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* Blend a rectangle with an uniform color.
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*/
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void ff_blend_rectangle(FFDrawContext *draw, FFDrawColor *color,
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uint8_t *dst[], int dst_linesize[],
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int dst_w, int dst_h,
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int x0, int y0, int w, int h);
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/**
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* Blend an alpha mask with an uniform color.
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*
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* @param draw draw context
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* @param color color for the overlay;
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* @param dst destination image
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* @param dst_linesize line stride of the destination
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* @param dst_w width of the destination image
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* @param dst_h height of the destination image
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* @param mask mask
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* @param mask_linesize line stride of the mask
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* @param mask_w width of the mask
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* @param mask_h height of the mask
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* @param l2depth log2 of depth of the mask (0 for 1bpp, 3 for 8bpp)
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* @param endianness bit order of the mask (0: MSB to the left)
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* @param x0 horizontal position of the overlay
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* @param y0 vertical position of the overlay
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*/
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void ff_blend_mask(FFDrawContext *draw, FFDrawColor *color,
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uint8_t *dst[], int dst_linesize[], int dst_w, int dst_h,
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const uint8_t *mask, int mask_linesize, int mask_w, int mask_h,
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int l2depth, unsigned endianness, int x0, int y0);
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/**
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* Round a dimension according to subsampling.
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*
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* @param draw draw context
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* @param sub_dir 0 for horizontal, 1 for vertical
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* @param round_dir 0 nearest, -1 round down, +1 round up
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* @param value value to round
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* @return the rounded value
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*/
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int ff_draw_round_to_sub(FFDrawContext *draw, int sub_dir, int round_dir,
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int value);
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/**
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* Return the list of pixel formats supported by the draw functions.
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*
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* The flags are the same as ff_draw_init, i.e., none currently.
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*/
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AVFilterFormats *ff_draw_supported_pixel_formats(unsigned flags);
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#endif /* AVFILTER_DRAWUTILS_H */
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