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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/*
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* APIs internal to the generic filter(graph) layer.
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*
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* MUST NOT be included by individual filters.
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*/
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#ifndef AVFILTER_AVFILTER_INTERNAL_H
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#define AVFILTER_AVFILTER_INTERNAL_H
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#include <stdint.h>
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#include "avfilter.h"
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#include "filters.h"
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#include "framequeue.h"
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typedef struct FilterLinkInternal {
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FilterLink l;
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struct FFFramePool *frame_pool;
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/**
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* Queue of frames waiting to be filtered.
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*/
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FFFrameQueue fifo;
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/**
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* If set, the source filter can not generate a frame as is.
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* The goal is to avoid repeatedly calling the request_frame() method on
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* the same link.
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*/
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int frame_blocked_in;
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/**
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* Link input status.
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* If not zero, all attempts of filter_frame will fail with the
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* corresponding code.
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*/
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int status_in;
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/**
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* Timestamp of the input status change.
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*/
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int64_t status_in_pts;
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/**
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* Link output status.
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* If not zero, all attempts of request_frame will fail with the
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* corresponding code.
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*/
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int status_out;
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/**
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* True if a frame is currently wanted on the output of this filter.
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* Set when ff_request_frame() is called by the output,
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* cleared when a frame is filtered.
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*/
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int frame_wanted_out;
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/**
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* Index in the age array.
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*/
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int age_index;
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/** stage of the initialization of the link properties (dimensions, etc) */
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enum {
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AVLINK_UNINIT = 0, ///< not started
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AVLINK_STARTINIT, ///< started, but incomplete
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AVLINK_INIT ///< complete
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} init_state;
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} FilterLinkInternal;
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static inline FilterLinkInternal *ff_link_internal(AVFilterLink *link)
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{
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return (FilterLinkInternal*)link;
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}
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typedef struct FFFilterContext {
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/**
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* The public AVFilterContext. See avfilter.h for it.
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*/
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AVFilterContext p;
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avfilter_execute_func *execute;
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// 1 when avfilter_init_*() was successfully called on this filter
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// 0 otherwise
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int initialized;
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} FFFilterContext;
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static inline FFFilterContext *fffilterctx(AVFilterContext *ctx)
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{
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return (FFFilterContext*)ctx;
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}
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typedef struct AVFilterCommand {
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double time; ///< time expressed in seconds
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char *command; ///< command
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char *arg; ///< optional argument for the command
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int flags;
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struct AVFilterCommand *next;
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} AVFilterCommand;
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typedef struct FFFilterGraph {
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/**
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* The public AVFilterGraph. See avfilter.h for it.
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*/
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AVFilterGraph p;
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struct FilterLinkInternal **sink_links;
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int sink_links_count;
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unsigned disable_auto_convert;
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void *thread;
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avfilter_execute_func *thread_execute;
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FFFrameQueueGlobal frame_queues;
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} FFFilterGraph;
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static inline FFFilterGraph *fffiltergraph(AVFilterGraph *graph)
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{
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return (FFFilterGraph*)graph;
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}
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/**
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* Update the position of a link in the age heap.
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*/
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void ff_avfilter_graph_update_heap(AVFilterGraph *graph,
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struct FilterLinkInternal *li);
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/**
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* Allocate a new filter context and return it.
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*
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* @param filter what filter to create an instance of
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* @param inst_name name to give to the new filter context
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*
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* @return newly created filter context or NULL on failure
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*/
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AVFilterContext *ff_filter_alloc(const AVFilter *filter, const char *inst_name);
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/**
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* Remove a filter from a graph;
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*/
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void ff_filter_graph_remove_filter(AVFilterGraph *graph, AVFilterContext *filter);
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int ff_filter_activate(AVFilterContext *filter);
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/**
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* Parse filter options into a dictionary.
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*
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* @param logctx context for logging
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* @param priv_class a filter's private class for shorthand options or NULL
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* @param options dictionary to store parsed options in
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* @param args options string to parse
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*
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* @return a non-negative number on success, a negative error code on failure
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*/
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int ff_filter_opt_parse(void *logctx, const AVClass *priv_class,
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AVDictionary **options, const char *args);
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int ff_graph_thread_init(FFFilterGraph *graph);
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void ff_graph_thread_free(FFFilterGraph *graph);
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/**
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* Negotiate the media format, dimensions, etc of all inputs to a filter.
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*
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* @param filter the filter to negotiate the properties for its inputs
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* @return zero on successful negotiation
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*/
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int ff_filter_config_links(AVFilterContext *filter);
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/* misc trace functions */
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#define FF_TPRINTF_START(ctx, func) ff_tlog(NULL, "%-16s: ", #func)
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#ifdef TRACE
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void ff_tlog_link(void *ctx, AVFilterLink *link, int end);
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#else
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#define ff_tlog_link(ctx, link, end) do { } while(0)
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#endif
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/**
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* Run one round of processing on a filter graph.
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*/
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int ff_filter_graph_run_once(AVFilterGraph *graph);
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/**
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* Process the commands queued in the link up to the time of the frame.
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* Commands will trigger the process_command() callback.
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* @return >= 0 or AVERROR code.
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*/
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int ff_inlink_process_commands(AVFilterLink *link, const AVFrame *frame);
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/**
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* Evaluate the timeline expression of the link for the time and properties
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* of the frame.
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* @return >0 if enabled, 0 if disabled
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* @note It does not update link->dst->is_disabled.
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*/
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int ff_inlink_evaluate_timeline_at_frame(AVFilterLink *link, const AVFrame *frame);
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#endif /* AVFILTER_AVFILTER_INTERNAL_H */
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