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#include "avcodec.h"
/* byte stream handling */
typedef struct {
unsigned char *buffer;
unsigned char *buf_ptr, *buf_end;
void *opaque;
void (*write_packet)(void *opaque, UINT8 *buf, int buf_size);
int (*write_seek)(void *opaque, long long offset, int whence);
long long pos; /* position in the file of the current buffer */
} PutByteContext;
int init_put_byte(PutByteContext *s,
unsigned char *buffer,
int buffer_size,
void *opaque,
void (*write_packet)(void *opaque, UINT8 *buf, int buf_size),
int (*write_seek)(void *opaque, long long offset, int whence));
void put_byte(PutByteContext *s, int b);
void put_buffer(PutByteContext *s, unsigned char *buf, int size);
void put_le32(PutByteContext *s, unsigned int val);
void put_le64(PutByteContext *s, unsigned long long val);
void put_le16(PutByteContext *s, unsigned int val);
void put_tag(PutByteContext *s, char *tag);
long long put_seek(PutByteContext *s, long long offset, int whence);
long long put_pos(PutByteContext *s);
void put_flush_packet(PutByteContext *s);
/* udp.c */
typedef struct {
int udp_socket;
int max_payload_size; /* in bytes */
} UDPContext;
int udp_tx_open(UDPContext *s,
const char *uri,
int local_port);
void udp_tx_close(UDPContext *s);
void udp_write_data(void *opaque, UINT8 *buf, int size);
/* generic functions */
struct AVFormatContext;
typedef struct AVFormat {
char *name;
char *long_name;
char *mime_type;
char *extensions; /* comma separated extensions */
enum CodecID audio_codec;
enum CodecID video_codec;
int (*write_header)(struct AVFormatContext *);
int (*write_audio_frame)(struct AVFormatContext *,
unsigned char *buf, int size);
int (*write_video_picture)(struct AVFormatContext *,
unsigned char *buf, int size);
int (*write_trailer)(struct AVFormatContext *);
struct AVFormat *next;
} AVFormat;
typedef struct AVFormatContext {
struct AVFormat *format;
void *priv_data;
PutByteContext pb;
AVEncodeContext *video_enc;
AVEncodeContext *audio_enc;
int is_streamed; /* true if the stream is generated as being streamed */
} AVFormatContext;
extern AVFormat *first_format;
extern int data_out_size;
extern const char *comment_string;
/* rv10enc.c */
extern AVFormat rm_format;
extern AVFormat ra_format;
/* mpegmux.c */
extern AVFormat mpeg_mux_format;
/* asfenc.c */
extern AVFormat asf_format;
/* jpegenc.c */
extern AVFormat mpjpeg_format;
extern AVFormat jpeg_format;
/* swfenc.c */
extern AVFormat swf_format;
/* formats.c */
void register_avformat(AVFormat *format);
AVFormat *guess_format(const char *short_name, const char *filename, const char *mime_type);
void register_avencoder(AVEncoder *format);
AVEncoder *avencoder_find(enum CodecID id);
void avencoder_string(char *buf, int buf_size, AVEncodeContext *enc);
int avencoder_open(AVEncodeContext *avctx, AVEncoder *codec);
int avencoder_encode(AVEncodeContext *avctx, UINT8 *buf, int buf_size, void *data);
int avencoder_close(AVEncodeContext *avctx);
extern AVFormat mp2_format;
extern AVFormat ac3_format;
extern AVFormat h263_format;
extern AVFormat mpeg1video_format;
int strstart(const char *str, const char *val, const char **ptr);
/* grab.c */
extern const char *v4l_device;
long long gettime(void);
int v4l_init(int rate, int width, int height);
int v4l_read_picture(UINT8 *picture[3],
int width, int height,
int picture_number);
int audio_open(int freq, int channels);
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