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-
- #include "avcodec.h"
-
- #define FFMPEG_VERSION "0.4.5"
-
- #include "avio.h"
-
- /* packet functions */
-
- typedef struct AVPacket {
- INT64 pts;
- UINT8 *data;
- int size;
- int stream_index;
- int flags;
- #define PKT_FLAG_KEY 0x0001
- } AVPacket;
-
- int av_new_packet(AVPacket *pkt, int size);
- void av_free_packet(AVPacket *pkt);
-
- /*************************************************/
- /* output formats */
-
- struct AVFormatContext;
- struct AVFormatInputContext;
-
- typedef struct AVFormatParameters {
- int frame_rate;
- int sample_rate;
- int channels;
- int width;
- int height;
- int pix_fmt;
- } AVFormatParameters;
-
- typedef struct AVFormat {
- const char *name;
- const char *long_name;
- const char *mime_type;
- const char *extensions; /* comma separated extensions */
-
- /* output support */
- enum CodecID audio_codec; /* default audio codec */
- enum CodecID video_codec; /* default video codec */
- int (*write_header)(struct AVFormatContext *);
- int (*write_packet)(struct AVFormatContext *,
- int stream_index,
- unsigned char *buf, int size);
- int (*write_trailer)(struct AVFormatContext *);
-
- /* optional input support */
- /* read the format header and initialize the AVFormatInputContext
- structure. Return 0 if OK. 'ap' if non NULL contains
- additionnal paramters. Only used in raw format right now */
- int (*read_header)(struct AVFormatContext *,
- AVFormatParameters *ap);
- /* read one packet and put it in 'pkt'. pts and flags are also set */
- int (*read_packet)(struct AVFormatContext *, AVPacket *pkt);
- /* close the stream. The AVFormatContext and AVStreams are not
- freed by this function */
- int (*read_close)(struct AVFormatContext *);
- /* seek at or before a given pts (given in microsecond). The pts
- origin is defined by the stream */
- int (*read_seek)(struct AVFormatContext *, INT64 pts);
- int flags;
- #define AVFMT_NOFILE 0x0001 /* no file should be opened */
- struct AVFormat *next;
- } AVFormat;
-
- typedef struct AVStream {
- int id; /* internal stream id */
- AVCodecContext codec; /* codec context */
- void *priv_data;
- } AVStream;
-
- #define MAX_STREAMS 20
-
- /* format I/O context */
- typedef struct AVFormatContext {
- struct AVFormat *format;
- void *priv_data;
- ByteIOContext pb;
- int nb_streams;
- AVStream *streams[MAX_STREAMS];
- char filename[1024]; /* input or output filename */
- /* stream info */
- char title[512];
- char author[512];
- char copyright[512];
- char comment[512];
- /* This buffer is only needed when packets were already buffered but
- not decoded, for example to get the codec parameters in mpeg
- streams */
- struct AVPacketList *packet_buffer;
- } AVFormatContext;
-
- typedef struct AVPacketList {
- AVPacket pkt;
- struct AVPacketList *next;
- } AVPacketList;
-
- extern AVFormat *first_format;
-
- /* rv10enc.c */
- extern AVFormat rm_format;
-
- /* mpegmux.c */
- extern AVFormat mpeg_mux_format;
-
- /* asfenc.c */
- extern AVFormat asf_format;
-
- /* avienc.c */
- extern AVFormat avi_format;
-
- /* jpegenc.c */
- extern AVFormat mpjpeg_format;
- extern AVFormat jpeg_format;
-
- /* swfenc.c */
- extern AVFormat swf_format;
-
- /* wav.c */
- extern AVFormat wav_format;
-
- /* img.c */
- extern AVFormat pgm_format;
- extern AVFormat pgmyuv_format;
- extern AVFormat imgyuv_format;
- extern AVFormat pgmpipe_format;
-
- /* raw.c */
- extern AVFormat mp2_format;
- extern AVFormat ac3_format;
- extern AVFormat h263_format;
- extern AVFormat mpeg1video_format;
- extern AVFormat pcm_format;
- extern AVFormat rawvideo_format;
-
- /* ffm.c */
- extern AVFormat ffm_format;
-
- /* formats.c */
-
- #define MKTAG(a,b,c,d) (a | (b << 8) | (c << 16) | (d << 24))
- #define MKBETAG(a,b,c,d) (d | (c << 8) | (b << 16) | (a << 24))
-
- void register_avformat(AVFormat *format);
- AVFormat *guess_format(const char *short_name, const char *filename, const char *mime_type);
-
- int strstart(const char *str, const char *val, const char **ptr);
- void nstrcpy(char *buf, int buf_size, const char *str);
- int match_ext(const char *filename, const char *extensions);
-
- void register_all(void);
-
- INT64 gettime(void);
-
- typedef struct FifoBuffer {
- UINT8 *buffer;
- UINT8 *rptr, *wptr, *end;
- } FifoBuffer;
-
- int fifo_init(FifoBuffer *f, int size);
- void fifo_free(FifoBuffer *f);
- int fifo_size(FifoBuffer *f, UINT8 *rptr);
- int fifo_read(FifoBuffer *f, UINT8 *buf, int buf_size, UINT8 **rptr_ptr);
- void fifo_write(FifoBuffer *f, UINT8 *buf, int size, UINT8 **wptr_ptr);
-
- AVFormatContext *av_open_input_file(const char *filename, int buf_size);
- int av_read_packet(AVFormatContext *s, AVPacket *pkt);
- void av_close_input_file(AVFormatContext *s);
-
- int av_write_packet(AVFormatContext *s, AVPacket *pkt);
-
- void dump_format(AVFormatContext *ic,
- int index,
- const char *url,
- int is_output);
- int parse_image_size(int *width_ptr, int *height_ptr, const char *str);
- INT64 gettime(void);
- INT64 parse_date(const char *datestr, int duration);
-
- /* ffm specific for ffserver */
- #define FFM_PACKET_SIZE 4096
- offset_t ffm_read_write_index(int fd);
- void ffm_write_write_index(int fd, offset_t pos);
- void ffm_set_write_index(AVFormatContext *s, offset_t pos, offset_t file_size);
-
- int find_info_tag(char *arg, int arg_size, const char *tag1, const char *info);
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