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lavc: remove dead FF_API_OLD_TIMECODE API

tags/n2.2-rc1
Stefano Sabatini 12 years ago
parent
a689560428
commit
cfe7185a92
4 changed files with 4 additions and 264 deletions
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  1. +4
    -5
      libavcodec/Makefile
  2. +0
    -150
      libavcodec/timecode.c
  3. +0
    -106
      libavcodec/timecode.h
  4. +0
    -3
      libavcodec/version.h

+ 4
- 5
libavcodec/Makefile View File

@@ -300,8 +300,7 @@ OBJS-$(CONFIG_MPEG_XVMC_DECODER) += mpegvideo_xvmc.o
OBJS-$(CONFIG_MPEG1VIDEO_DECODER) += mpeg12dec.o mpeg12.o mpeg12data.o
OBJS-$(CONFIG_MPEG1VIDEO_ENCODER) += mpeg12enc.o mpeg12.o
OBJS-$(CONFIG_MPEG2VIDEO_DECODER) += mpeg12dec.o mpeg12.o mpeg12data.o
OBJS-$(CONFIG_MPEG2VIDEO_ENCODER) += mpeg12enc.o mpeg12.o \
timecode.o
OBJS-$(CONFIG_MPEG2VIDEO_ENCODER) += mpeg12enc.o mpeg12.o
OBJS-$(CONFIG_MPL2_DECODER) += mpl2dec.o ass.o
OBJS-$(CONFIG_MSMPEG4V1_DECODER) += msmpeg4dec.o msmpeg4.o msmpeg4data.o
OBJS-$(CONFIG_MSMPEG4V2_DECODER) += msmpeg4dec.o msmpeg4.o msmpeg4data.o \
@@ -649,7 +648,7 @@ OBJS-$(CONFIG_ADX_DEMUXER) += adx.o
OBJS-$(CONFIG_CAF_DEMUXER) += mpeg4audio.o mpegaudiodata.o \
ac3tab.o
OBJS-$(CONFIG_DV_DEMUXER) += dv_profile.o
OBJS-$(CONFIG_DV_MUXER) += dv_profile.o timecode.o
OBJS-$(CONFIG_DV_MUXER) += dv_profile.o
OBJS-$(CONFIG_FLAC_DEMUXER) += flac.o flacdata.o vorbis_data.o \
vorbis_parser.o xiph.o
OBJS-$(CONFIG_FLAC_MUXER) += flac.o flacdata.o vorbis_data.o
@@ -665,11 +664,11 @@ OBJS-$(CONFIG_MATROSKA_MUXER) += mpeg4audio.o mpegaudiodata.o \
flac.o flacdata.o vorbis_data.o xiph.o
OBJS-$(CONFIG_MP2_MUXER) += mpegaudiodata.o mpegaudiodecheader.o
OBJS-$(CONFIG_MP3_MUXER) += mpegaudiodata.o mpegaudiodecheader.o
OBJS-$(CONFIG_MOV_DEMUXER) += mpeg4audio.o mpegaudiodata.o ac3tab.o timecode.o
OBJS-$(CONFIG_MOV_DEMUXER) += mpeg4audio.o mpegaudiodata.o ac3tab.o
OBJS-$(CONFIG_MOV_MUXER) += mpeg4audio.o mpegaudiodata.o
OBJS-$(CONFIG_MPEGTS_MUXER) += mpeg4audio.o
OBJS-$(CONFIG_MPEGTS_DEMUXER) += mpeg4audio.o mpegaudiodata.o
OBJS-$(CONFIG_MXF_MUXER) += timecode.o dnxhddata.o
OBJS-$(CONFIG_MXF_MUXER) += dnxhddata.o
OBJS-$(CONFIG_NUT_MUXER) += mpegaudiodata.o
OBJS-$(CONFIG_OGG_DEMUXER) += xiph.o flac.o flacdata.o \
mpeg12data.o vorbis_parser.o \


+ 0
- 150
libavcodec/timecode.c View File

@@ -1,150 +0,0 @@
/*
* Copyright (C) 2006 Smartjog S.A.S, Baptiste Coudurier <baptiste.coudurier@gmail.com>
* Copyright (C) 2011 Smartjog S.A.S, Clément Bœsch <clement.boesch@smartjog.com>
*
* 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
*/

/**
* @file
* Timecode helpers
* This *private* API is deprecated, please use the one available in libavutil instead.
*/

#include "version.h"

#if FF_API_OLD_TIMECODE

#include <stdio.h>
#include "timecode.h"
#include "libavutil/log.h"

int avpriv_framenum_to_drop_timecode(int frame_num)
{
/* only works for NTSC 29.97 */
int d = frame_num / 17982;
int m = frame_num % 17982;
//if (m < 2) m += 2; /* not needed since -2,-1 / 1798 in C returns 0 */
return frame_num + 18 * d + 2 * ((m - 2) / 1798);
}

uint32_t avpriv_framenum_to_smpte_timecode(unsigned frame, int fps, int drop)
{
return (0 << 31) | // color frame flag
(drop << 30) | // drop frame flag
( ((frame % fps) / 10) << 28) | // tens of frames
( ((frame % fps) % 10) << 24) | // units of frames
(0 << 23) | // field phase (NTSC), b0 (PAL)
((((frame / fps) % 60) / 10) << 20) | // tens of seconds
((((frame / fps) % 60) % 10) << 16) | // units of seconds
(0 << 15) | // b0 (NTSC), b2 (PAL)
((((frame / (fps * 60)) % 60) / 10) << 12) | // tens of minutes
((((frame / (fps * 60)) % 60) % 10) << 8) | // units of minutes
(0 << 7) | // b1
(0 << 6) | // b2 (NTSC), field phase (PAL)
((((frame / (fps * 3600) % 24)) / 10) << 4) | // tens of hours
( (frame / (fps * 3600) % 24)) % 10; // units of hours
}

int avpriv_check_timecode_rate(void *avcl, AVRational rate, int drop)
{
int fps;

if (!rate.num || !rate.den) {
av_log(avcl, AV_LOG_ERROR, "Timecode frame rate must be specified\n");
return -1;
}
fps = (rate.num + rate.den/2) / rate.den;
if (drop && fps != 30) {
av_log(avcl, AV_LOG_ERROR, "Drop frame is only allowed with 30000/1001 FPS\n");
return -2;
}
switch (fps) {
case 24:
case 25:
case 30: return 0;

default:
av_log(avcl, AV_LOG_ERROR, "Timecode frame rate not supported\n");
return -3;
}
}

char *avpriv_timecode_to_string(char *buf, const struct ff_timecode *tc, unsigned frame)
{
int frame_num = tc->start + frame;
int fps = (tc->rate.num + tc->rate.den/2) / tc->rate.den;
int hh, mm, ss, ff, neg = 0;

if (tc->drop)
frame_num = avpriv_framenum_to_drop_timecode(frame_num);
if (frame_num < 0) {
frame_num = -frame_num;
neg = 1;
}
ff = frame_num % fps;
ss = frame_num / fps % 60;
mm = frame_num / (fps*60) % 60;
hh = frame_num / (fps*3600);
snprintf(buf, 16, "%s%02d:%02d:%02d%c%02d",
neg ? "-" : "",
hh, mm, ss, tc->drop ? ';' : ':', ff);
return buf;
}

int avpriv_init_smpte_timecode(void *avcl, struct ff_timecode *tc)
{
int hh, mm, ss, ff, fps, ret;
char c;

if (sscanf(tc->str, "%d:%d:%d%c%d", &hh, &mm, &ss, &c, &ff) != 5) {
av_log(avcl, AV_LOG_ERROR, "unable to parse timecode, "
"syntax: hh:mm:ss[:;.]ff\n");
return -1;
}

tc->drop = c != ':'; // drop if ';', '.', ...

ret = avpriv_check_timecode_rate(avcl, tc->rate, tc->drop);
if (ret < 0)
return ret;

fps = (tc->rate.num + tc->rate.den/2) / tc->rate.den;
tc->start = (hh*3600 + mm*60 + ss) * fps + ff;

if (tc->drop) { /* adjust frame number */
int tmins = 60*hh + mm;
tc->start -= 2 * (tmins - tmins/10);
}
return 0;
}

int ff_framenum_to_drop_timecode(int frame_num)
{
return avpriv_framenum_to_drop_timecode(frame_num);
}

uint32_t ff_framenum_to_smtpe_timecode(unsigned frame, int fps, int drop)
{
return avpriv_framenum_to_smpte_timecode(frame, fps, drop);
}

int ff_init_smtpe_timecode(void *avcl, struct ff_timecode *tc)
{
return avpriv_init_smpte_timecode(avcl, tc);
}
#endif

+ 0
- 106
libavcodec/timecode.h View File

@@ -1,106 +0,0 @@
/*
* Copyright (C) 2006 Smartjog S.A.S, Baptiste Coudurier <baptiste.coudurier@gmail.com>
* Copyright (C) 2011 Smartjog S.A.S, Clément Bœsch <clement.boesch@smartjog.com>
*
* 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
*/

/**
* @file
* Timecode helpers header
* This *private* API is deprecated, please use the one available in libavutil instead.
*/

#ifndef AVCODEC_TIMECODE_H
#define AVCODEC_TIMECODE_H

#include "version.h"

#if FF_API_OLD_TIMECODE

#include <stdint.h>
#include "avcodec.h"
#include "libavutil/rational.h"

#define TIMECODE_OPT(ctx, flags) \
"timecode", "set timecode value following hh:mm:ss[:;.]ff format, " \
"use ';' or '.' before frame number for drop frame", \
offsetof(ctx, tc.str), \
AV_OPT_TYPE_STRING, {.str=NULL}, CHAR_MIN, CHAR_MAX, flags

struct ff_timecode {
char *str; ///< string following the hh:mm:ss[:;.]ff format
int start; ///< timecode frame start
int drop; ///< drop flag (1 if drop, else 0)
AVRational rate; ///< Frame rate in rational form
};

/**
* @brief Adjust frame number for NTSC drop frame time code
* @param frame_num Actual frame number to adjust
* @return Adjusted frame number
* @warning Adjustment is only valid in NTSC 29.97
*/
int avpriv_framenum_to_drop_timecode(int frame_num);

/**
* @brief Convert frame id (timecode) to SMPTE 12M binary representation
* @param frame Frame number
* @param fps Frame rate
* @param drop Drop flag
* @return The actual binary representation
*/
uint32_t avpriv_framenum_to_smpte_timecode(unsigned frame, int fps, int drop);

/**
* @brief Load timecode string in buf
* @param buf Destination buffer
* @param tc Timecode struct pointer
* @param frame Frame id (timecode frame is computed with tc->start+frame)
* @return a pointer to the buf parameter
* @note timecode representation can be a negative timecode and have
* more than 24 hours.
* @note buf must have enough space to store the timecode representation: 16
* bytes is the minimum required size.
*/
char *avpriv_timecode_to_string(char *buf, const struct ff_timecode *tc, unsigned frame);

/**
* Check if timecode rate is valid and consistent with the drop flag.
*
* @return 0 on success, negative value on failure
*/
int avpriv_check_timecode_rate(void *avcl, AVRational rate, int drop);

/**
* Parse SMTPE 12M time representation (hh:mm:ss[:;.]ff). str and rate fields
* from tc struct must be set.
*
* @param avcl A pointer to an arbitrary struct of which the first field is a
* pointer to an AVClass struct (used for av_log).
* @param tc Timecode struct pointer
* @return 0 on success, negative value on failure
* @warning Adjustement is only valid in NTSC 29.97
*/
int avpriv_init_smpte_timecode(void *avcl, struct ff_timecode *tc);

attribute_deprecated int ff_framenum_to_drop_timecode(int frame_num);
attribute_deprecated uint32_t ff_framenum_to_smtpe_timecode(unsigned frame, int fps, int drop);
attribute_deprecated int ff_init_smtpe_timecode(void *avcl, struct ff_timecode *tc);
#endif

#endif /* AVCODEC_TIMECODE_H */

+ 0
- 3
libavcodec/version.h View File

@@ -54,9 +54,6 @@
#ifndef FF_API_OLD_DECODE_AUDIO
#define FF_API_OLD_DECODE_AUDIO (LIBAVCODEC_VERSION_MAJOR < 56)
#endif
#ifndef FF_API_OLD_TIMECODE
#define FF_API_OLD_TIMECODE (LIBAVCODEC_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_OLD_ENCODE_AUDIO
#define FF_API_OLD_ENCODE_AUDIO (LIBAVCODEC_VERSION_MAJOR < 56)
#endif


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