#define LIBAV_VERSION_INT 0x000406 #define LIBAV_VERSION "0.4.6" #define LIBAV_BUILD 4600 #include "avcodec.h" #include "avio.h" /* packet functions */ typedef struct AVPacket { INT64 pts; UINT8 *data; int size; int stream_index; int flags; int duration; #define PKT_FLAG_KEY 0x0001 #define PKT_FLAG_DROPPED_FRAME 0x0002 } 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; enum PixelFormat 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 force_pts); 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 */ #define AVFMT_NEEDNUMBER 0x0002 /* needs '%d' in filename */ 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; /* mov.c */ extern AVFormat mov_format; extern AVFormat mp4_format; /* jpegenc.c */ extern AVFormat mpjpeg_format; extern AVFormat jpeg_format; extern AVFormat single_jpeg_format; /* swfenc.c */ extern AVFormat swf_format; /* gif.c */ extern AVFormat gif_format; /* au.c */ extern AVFormat au_format; /* wav.c */ extern AVFormat wav_format; /* img.c */ extern AVFormat pgm_format; extern AVFormat ppm_format; extern AVFormat pgmyuv_format; extern AVFormat imgyuv_format; extern AVFormat pgmpipe_format; extern AVFormat pgmyuvpipe_format; extern AVFormat ppmpipe_format; /* raw.c */ extern AVFormat mp2_format; extern AVFormat ac3_format; extern AVFormat h263_format; extern AVFormat mpeg1video_format; extern AVFormat mjpeg_format; extern AVFormat pcm_s16le_format; extern AVFormat pcm_s16be_format; extern AVFormat pcm_u16le_format; extern AVFormat pcm_u16be_format; extern AVFormat pcm_s8_format; extern AVFormat pcm_u8_format; extern AVFormat pcm_mulaw_format; extern AVFormat pcm_alaw_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); /* This does what strncpy ought to do. */ void strlcpy(char *dst, const char *src, int dst_size); 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, const char *format_name, int buf_size, AVFormatParameters *ap); int av_read_packet(AVFormatContext *s, AVPacket *pkt); void av_close_input_file(AVFormatContext *s); int av_write_packet(AVFormatContext *s, AVPacket *pkt, int force_pts); 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); int get_frame_filename(char *buf, int buf_size, const char *path, int number); /* grab/output specific */ extern AVFormat video_grab_device_format; extern AVFormat audio_device_format; extern const char *v4l_device; extern const char *audio_device;