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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@@ -0,0 +1,169 @@
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/*
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* Filter graphs to bad ASCII-art
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* Copyright (c) 2012 Nicolas George
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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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#include <string.h>
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#include "libavutil/channel_layout.h"
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#include "libavutil/bprint.h"
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#include "libavutil/mem.h"
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#include "libavutil/pixdesc.h"
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#include "avfilter.h"
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#include "filters.h"
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static int print_link_prop(AVBPrint *buf, AVFilterLink *link)
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{
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const char *format;
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AVBPrint dummy_buffer;
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if (!buf) {
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buf = &dummy_buffer;
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av_bprint_init(buf, 0, AV_BPRINT_SIZE_COUNT_ONLY);
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}
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switch (link->type) {
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case AVMEDIA_TYPE_VIDEO:
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format = av_x_if_null(av_get_pix_fmt_name(link->format), "?");
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av_bprintf(buf, "[%dx%d %d:%d %s]", link->w, link->h,
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link->sample_aspect_ratio.num,
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link->sample_aspect_ratio.den,
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format);
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break;
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case AVMEDIA_TYPE_AUDIO:
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format = av_x_if_null(av_get_sample_fmt_name(link->format), "?");
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av_bprintf(buf, "[%dHz %s:",
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(int)link->sample_rate, format);
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av_channel_layout_describe_bprint(&link->ch_layout, buf);
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av_bprint_chars(buf, ']', 1);
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break;
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default:
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av_bprintf(buf, "?");
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break;
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}
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return buf->len;
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}
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static void avfilter_graph_dump_to_buf(AVBPrint *buf, AVFilterGraph *graph)
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{
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unsigned i, j, x, e;
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for (i = 0; i < graph->nb_filters; i++) {
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AVFilterContext *filter = graph->filters[i];
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unsigned max_src_name = 0, max_dst_name = 0;
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unsigned max_in_name = 0, max_out_name = 0;
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unsigned max_in_fmt = 0, max_out_fmt = 0;
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unsigned width, height, in_indent;
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unsigned lname = strlen(filter->name);
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unsigned ltype = strlen(filter->filter->name);
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for (j = 0; j < filter->nb_inputs; j++) {
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AVFilterLink *l = filter->inputs[j];
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unsigned ln = strlen(l->src->name) + 1 + strlen(l->srcpad->name);
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max_src_name = FFMAX(max_src_name, ln);
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max_in_name = FFMAX(max_in_name, strlen(l->dstpad->name));
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max_in_fmt = FFMAX(max_in_fmt, print_link_prop(NULL, l));
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}
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for (j = 0; j < filter->nb_outputs; j++) {
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AVFilterLink *l = filter->outputs[j];
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unsigned ln = strlen(l->dst->name) + 1 + strlen(l->dstpad->name);
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max_dst_name = FFMAX(max_dst_name, ln);
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max_out_name = FFMAX(max_out_name, strlen(l->srcpad->name));
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max_out_fmt = FFMAX(max_out_fmt, print_link_prop(NULL, l));
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}
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in_indent = max_src_name + max_in_name + max_in_fmt;
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in_indent += in_indent ? 4 : 0;
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width = FFMAX(lname + 2, ltype + 4);
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height = FFMAX3(2, filter->nb_inputs, filter->nb_outputs);
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av_bprint_chars(buf, ' ', in_indent);
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av_bprintf(buf, "+");
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av_bprint_chars(buf, '-', width);
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av_bprintf(buf, "+\n");
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for (j = 0; j < height; j++) {
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unsigned in_no = j - (height - filter->nb_inputs ) / 2;
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unsigned out_no = j - (height - filter->nb_outputs) / 2;
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/* Input link */
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if (in_no < filter->nb_inputs) {
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AVFilterLink *l = filter->inputs[in_no];
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e = buf->len + max_src_name + 2;
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av_bprintf(buf, "%s:%s", l->src->name, l->srcpad->name);
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av_bprint_chars(buf, '-', e - buf->len);
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e = buf->len + max_in_fmt + 2 +
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max_in_name - strlen(l->dstpad->name);
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print_link_prop(buf, l);
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av_bprint_chars(buf, '-', e - buf->len);
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av_bprintf(buf, "%s", l->dstpad->name);
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} else {
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av_bprint_chars(buf, ' ', in_indent);
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}
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/* Filter */
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av_bprintf(buf, "|");
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if (j == (height - 2) / 2) {
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x = (width - lname) / 2;
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av_bprintf(buf, "%*s%-*s", x, "", width - x, filter->name);
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} else if (j == (height - 2) / 2 + 1) {
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x = (width - ltype - 2) / 2;
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av_bprintf(buf, "%*s(%s)%*s", x, "", filter->filter->name,
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width - ltype - 2 - x, "");
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} else {
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av_bprint_chars(buf, ' ', width);
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}
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av_bprintf(buf, "|");
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/* Output link */
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if (out_no < filter->nb_outputs) {
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AVFilterLink *l = filter->outputs[out_no];
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unsigned ln = strlen(l->dst->name) + 1 +
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strlen(l->dstpad->name);
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e = buf->len + max_out_name + 2;
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av_bprintf(buf, "%s", l->srcpad->name);
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av_bprint_chars(buf, '-', e - buf->len);
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e = buf->len + max_out_fmt + 2 +
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max_dst_name - ln;
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print_link_prop(buf, l);
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av_bprint_chars(buf, '-', e - buf->len);
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av_bprintf(buf, "%s:%s", l->dst->name, l->dstpad->name);
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}
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av_bprintf(buf, "\n");
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}
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av_bprint_chars(buf, ' ', in_indent);
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av_bprintf(buf, "+");
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av_bprint_chars(buf, '-', width);
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av_bprintf(buf, "+\n");
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av_bprintf(buf, "\n");
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}
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}
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char *avfilter_graph_dump(AVFilterGraph *graph, const char *options)
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{
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AVBPrint buf;
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char *dump = NULL;
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av_bprint_init(&buf, 0, AV_BPRINT_SIZE_COUNT_ONLY);
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avfilter_graph_dump_to_buf(&buf, graph);
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dump = av_malloc(buf.len + 1);
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if (!dump)
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return NULL;
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av_bprint_init_for_buffer(&buf, dump, buf.len + 1);
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avfilter_graph_dump_to_buf(&buf, graph);
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return dump;
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}
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