avformat/cutils, dvenc: Move ff_brktimegm to its only user

This also allows to completely remove cutils.c.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2021-01-29 18:02:51 +01:00
parent e818951505
commit a703410d25
4 changed files with 11 additions and 44 deletions

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@ -8,7 +8,6 @@ HEADERS = avformat.h \
OBJS = allformats.o \
avio.o \
aviobuf.o \
cutils.o \
dump.o \
format.o \
id3v1.o \

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@ -1,39 +0,0 @@
/*
* various simple utilities for libavformat
* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/time_internal.h"
#include "avformat.h"
#include "internal.h"
#define ISLEAP(y) (((y) % 4 == 0) && (((y) % 100) != 0 || ((y) % 400) == 0))
#define LEAPS_COUNT(y) ((y)/4 - (y)/100 + (y)/400)
/* This is our own gmtime_r. It differs from its POSIX counterpart in a
couple of places, though. */
struct tm *ff_brktimegm(time_t secs, struct tm *tm)
{
tm = gmtime_r(&secs, tm);
tm->tm_year += 1900; /* unlike gmtime_r we store complete year here */
tm->tm_mon += 1; /* unlike gmtime_r tm_mon is from 1 to 12 */
return tm;
}

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@ -29,6 +29,7 @@
*/
#include <time.h>
#include "libavutil/time_internal.h"
#include "avformat.h"
#include "internal.h"
#include "libavcodec/dv_profile.h"
@ -72,6 +73,14 @@ static const int dv_aaux_packs_dist[12][9] = {
{ 0x50, 0x51, 0x52, 0x53, 0xff, 0xff, 0xff, 0xff, 0xff },
};
static void brktimegm(time_t secs, struct tm *tm)
{
tm = gmtime_r(&secs, tm);
tm->tm_year += 1900; /* unlike gmtime_r we store complete year here */
tm->tm_mon += 1; /* unlike gmtime_r tm_mon is from 1 to 12 */
}
static int dv_audio_frame_size(const AVDVProfile* sys, int frame, int sample_rate)
{
if ((sys->time_base.den == 25 || sys->time_base.den == 50) && sys->time_base.num == 1) {
@ -143,7 +152,7 @@ static int dv_write_pack(enum dv_pack_type pack_id, DVMuxContext *c, uint8_t* bu
case dv_video_recdate: /* VAUX recording date */
ct = c->start_time + av_rescale_rnd(c->frames, c->sys->time_base.num,
c->sys->time_base.den, AV_ROUND_DOWN);
ff_brktimegm(ct, &tc);
brktimegm(ct, &tc);
buf[1] = 0xff; /* ds, tm, tens of time zone, units of time zone */
/* 0xff is very likely to be "unknown" */
buf[2] = (3 << 6) | /* reserved -- always 1 */
@ -159,7 +168,7 @@ static int dv_write_pack(enum dv_pack_type pack_id, DVMuxContext *c, uint8_t* bu
case dv_video_rectime: /* VAUX recording time */
ct = c->start_time + av_rescale_rnd(c->frames, c->sys->time_base.num,
c->sys->time_base.den, AV_ROUND_DOWN);
ff_brktimegm(ct, &tc);
brktimegm(ct, &tc);
buf[1] = (3 << 6) | /* reserved -- always 1 */
0x3f; /* tens of frame, units of frame: 0x3f - "unknown" ? */
buf[2] = (1 << 7) | /* reserved -- always 1 */

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@ -365,8 +365,6 @@ do {\
} while(0)
#endif
struct tm *ff_brktimegm(time_t secs, struct tm *tm);
/**
* Automatically create sub-directories
*