mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2026-11-06 13:28:17 +00:00
Romain Beauxis
7adcef146d
Print each interval before and after ff_rescale_interval() and compare them against a reference, so that a change in the rounding shows there. The reference records the current output, where the rescaled target can fall outside the rescaled range: 11 after an end of 10, and 3 before a start of 4.
42 lines
1.5 KiB
C
42 lines
1.5 KiB
C
/*
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* Copyright (c) 2022 Pierre-Anthony Lemieux <pal@palemieux.com>
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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 <inttypes.h>
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#include <stdio.h>
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#include "libavformat/demux.h"
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static void rescale(AVRational tb_in, AVRational tb_out,
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int64_t ts_min, int64_t ts, int64_t ts_max)
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{
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printf("%d/%d -> %d/%d: [%"PRId64", %"PRId64", %"PRId64"] -> ",
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tb_in.num, tb_in.den, tb_out.num, tb_out.den, ts_min, ts, ts_max);
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ff_rescale_interval(tb_in, tb_out, &ts_min, &ts, &ts_max);
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printf("[%"PRId64", %"PRId64", %"PRId64"]\n", ts_min, ts, ts_max);
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}
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int main(void)
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{
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rescale(av_make_q(1, 1), av_make_q(10, 1), 10, 20, 30);
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rescale(av_make_q(1, 1), av_make_q(3, 1), 10, 32, 32);
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rescale(av_make_q(1, 1), av_make_q(3, 1), 10, 10, 32);
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return 0;
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}
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