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/*
* compatibility macros to make every ffmpeg installation appear
* like the most current installation (wrapping some functionality sometimes)
* it also includes all ffmpeg header files at once, no need to do it
* seperately.
*
* Copyright (c) 2011 Peter Schlaile
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
*/
#ifndef __FFMPEG_COMPAT_H__
#define __FFMPEG_COMPAT_H__
#include <libavformat/avformat.h>
/* check our ffmpeg is new enough, avoids user complaints */
#if (LIBAVFORMAT_VERSION_MAJOR < 52) || ((LIBAVFORMAT_VERSION_MAJOR == 52) && (LIBAVFORMAT_VERSION_MINOR <= 64))
# error "FFmpeg 0.7 or newer is needed, Upgrade your FFmpeg or disable it"
#endif
/* end sanity check */
#include <libavcodec/avcodec.h>
#include <libavutil/rational.h>
#include <libavutil/opt.h>
#include <libavutil/mathematics.h>
#if (LIBAVFORMAT_VERSION_MAJOR > 52) || ((LIBAVFORMAT_VERSION_MAJOR >= 52) && (LIBAVFORMAT_VERSION_MINOR >= 101))
#define FFMPEG_HAVE_PARSE_UTILS 1
#include <libavutil/parseutils.h>
#endif
#include <libswscale/swscale.h>
#if (LIBAVFORMAT_VERSION_MAJOR > 52) || ((LIBAVFORMAT_VERSION_MAJOR >= 52) && (LIBAVFORMAT_VERSION_MINOR >= 105))
#define FFMPEG_HAVE_AVIO 1
#endif
#if (LIBAVCODEC_VERSION_MAJOR > 53) || ((LIBAVCODEC_VERSION_MAJOR == 53) && (LIBAVCODEC_VERSION_MINOR > 1)) || ((LIBAVCODEC_VERSION_MAJOR == 53) && (LIBAVCODEC_VERSION_MINOR == 1) && (LIBAVCODEC_VERSION_MICRO >= 1)) || ((LIBAVCODEC_VERSION_MAJOR == 52) && (LIBAVCODEC_VERSION_MINOR >= 121))
#define FFMPEG_HAVE_DEFAULT_VAL_UNION 1
#endif
#if (LIBAVFORMAT_VERSION_MAJOR > 52) || ((LIBAVFORMAT_VERSION_MAJOR >= 52) && (LIBAVFORMAT_VERSION_MINOR >= 101))
#define FFMPEG_HAVE_AV_DUMP_FORMAT 1
#endif
#if (LIBAVFORMAT_VERSION_MAJOR > 52) || ((LIBAVFORMAT_VERSION_MAJOR >= 52) && (LIBAVFORMAT_VERSION_MINOR >= 45))
#define FFMPEG_HAVE_AV_GUESS_FORMAT 1
#endif
#if (LIBAVCODEC_VERSION_MAJOR > 52) || ((LIBAVCODEC_VERSION_MAJOR >= 52) && (LIBAVCODEC_VERSION_MINOR >= 23))
#define FFMPEG_HAVE_DECODE_AUDIO3 1
#define FFMPEG_HAVE_DECODE_VIDEO2 1
#endif
#if (LIBAVCODEC_VERSION_MAJOR > 52) || ((LIBAVCODEC_VERSION_MAJOR >= 52) && (LIBAVCODEC_VERSION_MINOR >= 64))
#define FFMPEG_HAVE_AVMEDIA_TYPES 1
#endif
#if ((LIBAVCODEC_VERSION_MAJOR > 52) || (LIBAVCODEC_VERSION_MAJOR >= 52) && (LIBAVCODEC_VERSION_MINOR >= 29)) && \
((LIBSWSCALE_VERSION_MAJOR > 0) || (LIBSWSCALE_VERSION_MAJOR >= 0) && (LIBSWSCALE_VERSION_MINOR >= 10))
#define FFMPEG_SWSCALE_COLOR_SPACE_SUPPORT
#endif
#if ((LIBAVUTIL_VERSION_MAJOR > 51) || (LIBAVUTIL_VERSION_MAJOR == 51) && (LIBAVUTIL_VERSION_MINOR >= 32))
#define FFMPEG_FFV1_ALPHA_SUPPORTED
#define FFMPEG_SAMPLE_FMT_S16P_SUPPORTED
#endif
#if ((LIBAVUTIL_VERSION_MAJOR < 51) || (LIBAVUTIL_VERSION_MAJOR == 51) && (LIBAVUTIL_VERSION_MINOR < 22))
static inline
int av_opt_set(void *obj, const char *name, const char *val, int search_flags)
{
const AVOption *rv = NULL;
av_set_string3(obj, name, val, 1, &rv);
return rv != NULL;
}
static inline
int av_opt_set_int(void *obj, const char *name, int64_t val, int search_flags)
{
const AVOption *rv = NULL;
rv = av_set_int(obj, name, val);
return rv != NULL;
}
static inline
int av_opt_set_double(void *obj, const char *name, double val, int search_flags)
{
const AVOption *rv = NULL;
rv = av_set_double(obj, name, val);
return rv != NULL;
}
#define AV_OPT_TYPE_INT FF_OPT_TYPE_INT
#define AV_OPT_TYPE_INT64 FF_OPT_TYPE_INT64
#define AV_OPT_TYPE_STRING FF_OPT_TYPE_STRING
#define AV_OPT_TYPE_CONST FF_OPT_TYPE_CONST
#define AV_OPT_TYPE_DOUBLE FF_OPT_TYPE_DOUBLE
#define AV_OPT_TYPE_FLOAT FF_OPT_TYPE_FLOAT
#endif
#if ((LIBAVUTIL_VERSION_MAJOR < 51) || (LIBAVUTIL_VERSION_MAJOR == 51) && (LIBAVUTIL_VERSION_MINOR < 54))
static inline
enum AVSampleFormat av_get_packed_sample_fmt(enum AVSampleFormat sample_fmt)
{
if (sample_fmt < 0 || sample_fmt >= AV_SAMPLE_FMT_NB)
return AV_SAMPLE_FMT_NONE;
return sample_fmt;
}
#endif
#if ((LIBAVFORMAT_VERSION_MAJOR < 53) || ((LIBAVFORMAT_VERSION_MAJOR == 53) && (LIBAVFORMAT_VERSION_MINOR < 24)) || ((LIBAVFORMAT_VERSION_MAJOR == 53) && (LIBAVFORMAT_VERSION_MINOR < 24) && (LIBAVFORMAT_VERSION_MICRO < 2)))
#define avformat_close_input(x) av_close_input_file(*(x))
#endif
#if ((LIBAVCODEC_VERSION_MAJOR < 53) || (LIBAVCODEC_VERSION_MAJOR == 53 && LIBAVCODEC_VERSION_MINOR < 35))
static inline
int avcodec_open2(AVCodecContext *avctx, AVCodec *codec, AVDictionary **options)
{
/* TODO: no options are taking into account */
return avcodec_open(avctx, codec);
}
#endif
#if ((LIBAVFORMAT_VERSION_MAJOR < 53) || (LIBAVFORMAT_VERSION_MAJOR == 53 && LIBAVFORMAT_VERSION_MINOR < 21))
static inline
AVStream *avformat_new_stream(AVFormatContext *s, AVCodec *c)
{
/* TODO: no codec is taking into account */
return av_new_stream(s, 0);
}
static inline
int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
{
/* TODO: no options are taking into account */
return av_find_stream_info(ic);
}
#endif
#if ((LIBAVFORMAT_VERSION_MAJOR > 53) || ((LIBAVFORMAT_VERSION_MAJOR == 53) && (LIBAVFORMAT_VERSION_MINOR > 32)) || ((LIBAVFORMAT_VERSION_MAJOR == 53) && (LIBAVFORMAT_VERSION_MINOR == 24) && (LIBAVFORMAT_VERSION_MICRO >= 100)))
static inline
void my_update_cur_dts(AVFormatContext *s, AVStream *ref_st, int64_t timestamp)
{
int i;
for (i = 0; i < s->nb_streams; i++) {
AVStream *st = s->streams[i];
st->cur_dts = av_rescale(timestamp,
st->time_base.den * (int64_t)ref_st->time_base.num,
st->time_base.num * (int64_t)ref_st->time_base.den);
}
}
static inline
void av_update_cur_dts(AVFormatContext *s, AVStream *ref_st, int64_t timestamp)
{
my_update_cur_dts(s, ref_st, timestamp);
}
#endif
#ifndef FFMPEG_HAVE_AVIO
#define AVIO_FLAG_WRITE URL_WRONLY
#define avio_open url_fopen
#define avio_tell url_ftell
#define avio_close url_fclose
#define avio_size url_fsize
#endif
/* there are some version inbetween, which have avio_... functions but no
* AVIO_FLAG_... */
#ifndef AVIO_FLAG_WRITE
#define AVIO_FLAG_WRITE URL_WRONLY
#endif
#ifndef AV_PKT_FLAG_KEY
#define AV_PKT_FLAG_KEY PKT_FLAG_KEY
#endif
#ifndef FFMPEG_HAVE_AV_DUMP_FORMAT
#define av_dump_format dump_format
#endif
#ifndef FFMPEG_HAVE_AV_GUESS_FORMAT
#define av_guess_format guess_format
#endif
#ifndef FFMPEG_HAVE_PARSE_UTILS
#define av_parse_video_rate av_parse_video_frame_rate
#endif
#ifdef FFMPEG_HAVE_DEFAULT_VAL_UNION
#define FFMPEG_DEF_OPT_VAL_INT(OPT) OPT->default_val.i64
#define FFMPEG_DEF_OPT_VAL_DOUBLE(OPT) OPT->default_val.dbl
#else
#define FFMPEG_DEF_OPT_VAL_INT(OPT) OPT->default_val
#define FFMPEG_DEF_OPT_VAL_DOUBLE(OPT) OPT->default_val
#endif
#ifndef FFMPEG_HAVE_AVMEDIA_TYPES
#define AVMEDIA_TYPE_VIDEO CODEC_TYPE_VIDEO
#define AVMEDIA_TYPE_AUDIO CODEC_TYPE_AUDIO
#endif
#ifndef FFMPEG_HAVE_DECODE_AUDIO3
static inline
int avcodec_decode_audio3(AVCodecContext *avctx, int16_t *samples,
int *frame_size_ptr, AVPacket *avpkt)
{
return avcodec_decode_audio2(avctx, samples,
frame_size_ptr, avpkt->data,
avpkt->size);
}
#endif
#ifndef FFMPEG_HAVE_DECODE_VIDEO2
static inline
int avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
int *got_picture_ptr,
AVPacket *avpkt)
{
return avcodec_decode_video(avctx, picture, got_picture_ptr,
avpkt->data, avpkt->size);
}
#endif
static inline
int64_t av_get_pts_from_frame(AVFormatContext *avctx, AVFrame * picture)
{
int64_t pts = picture->pkt_pts;
if (pts == AV_NOPTS_VALUE) {
pts = picture->pkt_dts;
}
if (pts == AV_NOPTS_VALUE) {
pts = 0;
}
(void)avctx;
return pts;
}
#endif
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