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#ifndef _INCLUDE_FFMPEG_H_
#define _INCLUDE_FFMPEG_H_
#ifdef HAVE_FFMPEG
#include <errno.h>
#ifdef FFMPEG_NEW_INCLUDES
#include <libavformat/avformat.h>
#else
#include <avformat.h>
#endif
#ifndef AVERROR /* 0.4.8 & 0.4.9-pre1 */
#if EINVAL > 0
#define AVERROR(e) (-(e))
#define AVUNERROR(e) (-(e))
#else
/* Some platforms have E* and errno already negated. */
#define AVERROR(e) (e)
#define AVUNERROR(e) (e)
#endif
#endif /* AVERROR */
#endif /* HAVE_FFMPEG */
#include <stdio.h>
#include <stdarg.h>
/* Define a codec name/identifier for timelapse videos, so that we can
* differentiate between normal mpeg1 videos and timelapse videos.
*/
#define TIMELAPSE_CODEC "mpeg1_tl"
struct ffmpeg {
#ifdef HAVE_FFMPEG
AVFormatContext *oc;
AVStream *video_st;
AVCodecContext *c;
AVFrame *picture; /* contains default image pointers */
uint8_t *video_outbuf;
int video_outbuf_size;
void *udata; /* U & V planes for greyscale images */
int vbr; /* variable bitrate setting */
char codec[20]; /* codec name */
#else
int dummy;
#endif
};
/* Initialize FFmpeg stuff. Needs to be called before ffmpeg_open. */
void ffmpeg_init(void);
/* Open an mpeg file. This is a generic interface for opening either an mpeg1 or
* an mpeg4 video. If non-standard mpeg1 isn't supported (FFmpeg build > 4680),
* calling this function with "mpeg1" as codec results in an error. To create a
* timelapse video, use TIMELAPSE_CODEC as codec name.
*/
struct ffmpeg *ffmpeg_open(
char *ffmpeg_video_codec,
char *filename,
unsigned char *y, /* YUV420 Y plane */
unsigned char *u, /* YUV420 U plane */
unsigned char *v, /* YUV420 V plane */
int width,
int height,
int rate, /* framerate, fps */
int bps, /* bitrate; bits per second */
int vbr /* variable bitrate */
);
/* Puts the image pointed to by the picture member of struct ffmpeg. */
void ffmpeg_put_image(struct ffmpeg *);
/* Puts the image defined by u, y and v (YUV420 format). */
void ffmpeg_put_other_image(
struct ffmpeg *ffmpeg,
unsigned char *y,
unsigned char *u,
unsigned char *v
);
/* Closes the mpeg file. */
void ffmpeg_close(struct ffmpeg *);
/*Deinterlace the image. */
void ffmpeg_deinterlace(unsigned char *, int, int);
/*Setup an avcodec log handler. */
void ffmpeg_avcodec_log(void *, int, const char *, va_list);
#endif /* _INCLUDE_FFMPEG_H_ */
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