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239 lines
6.7 KiB
239 lines
6.7 KiB
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#define LIBAV_VERSION_INT 0x000406 |
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#define LIBAV_VERSION "0.4.6" |
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#define LIBAV_BUILD 4601 |
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#include "avcodec.h" |
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#include "avio.h" |
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/* packet functions */ |
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typedef struct AVPacket { |
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INT64 pts; |
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UINT8 *data; |
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int size; |
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int stream_index; |
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int flags; |
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int duration; |
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#define PKT_FLAG_KEY 0x0001 |
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#define PKT_FLAG_DROPPED_FRAME 0x0002 |
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} AVPacket; |
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int av_new_packet(AVPacket *pkt, int size); |
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void av_free_packet(AVPacket *pkt); |
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/*************************************************/ |
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/* output formats */ |
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struct AVFormatContext; |
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struct AVFormatInputContext; |
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typedef struct AVFormatParameters { |
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int frame_rate; |
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int sample_rate; |
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int channels; |
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int width; |
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int height; |
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enum PixelFormat pix_fmt; |
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} AVFormatParameters; |
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typedef struct AVFormat { |
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const char *name; |
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const char *long_name; |
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const char *mime_type; |
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const char *extensions; /* comma separated extensions */ |
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/* output support */ |
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enum CodecID audio_codec; /* default audio codec */ |
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enum CodecID video_codec; /* default video codec */ |
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int (*write_header)(struct AVFormatContext *); |
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int (*write_packet)(struct AVFormatContext *, |
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int stream_index, |
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unsigned char *buf, int size, int force_pts); |
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int (*write_trailer)(struct AVFormatContext *); |
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/* optional input support */ |
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/* read the format header and initialize the AVFormatInputContext |
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structure. Return 0 if OK. 'ap' if non NULL contains |
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additionnal paramters. Only used in raw format right now */ |
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int (*read_header)(struct AVFormatContext *, |
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AVFormatParameters *ap); |
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/* read one packet and put it in 'pkt'. pts and flags are also set */ |
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int (*read_packet)(struct AVFormatContext *, AVPacket *pkt); |
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/* close the stream. The AVFormatContext and AVStreams are not |
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freed by this function */ |
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int (*read_close)(struct AVFormatContext *); |
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/* seek at or before a given pts (given in microsecond). The pts |
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origin is defined by the stream */ |
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int (*read_seek)(struct AVFormatContext *, INT64 pts); |
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int flags; |
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#define AVFMT_NOFILE 0x0001 /* no file should be opened */ |
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#define AVFMT_NEEDNUMBER 0x0002 /* needs '%d' in filename */ |
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struct AVFormat *next; |
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} AVFormat; |
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typedef struct AVStream { |
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int id; /* internal stream id */ |
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AVCodecContext codec; /* codec context */ |
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int r_frame_rate; /* real frame rate of the stream */ |
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void *priv_data; |
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} AVStream; |
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#define MAX_STREAMS 20 |
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/* format I/O context */ |
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typedef struct AVFormatContext { |
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struct AVFormat *format; |
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void *priv_data; |
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ByteIOContext pb; |
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int nb_streams; |
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AVStream *streams[MAX_STREAMS]; |
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char filename[1024]; /* input or output filename */ |
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/* stream info */ |
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char title[512]; |
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char author[512]; |
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char copyright[512]; |
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char comment[512]; |
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int flags; /* format specific flags */ |
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/* This buffer is only needed when packets were already buffered but |
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not decoded, for example to get the codec parameters in mpeg |
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streams */ |
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struct AVPacketList *packet_buffer; |
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} AVFormatContext; |
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typedef struct AVPacketList { |
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AVPacket pkt; |
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struct AVPacketList *next; |
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} AVPacketList; |
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extern AVFormat *first_format; |
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/* rv10enc.c */ |
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extern AVFormat rm_format; |
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/* mpegmux.c */ |
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#define AVF_FLAG_VCD 0x00000001 /* VCD compatible MPEG-PS */ |
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extern AVFormat mpeg_mux_format; |
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/* asfenc.c */ |
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extern AVFormat asf_format; |
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/* avienc.c */ |
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extern AVFormat avi_format; |
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/* mov.c */ |
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extern AVFormat mov_format; |
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extern AVFormat mp4_format; |
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/* jpegenc.c */ |
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extern AVFormat mpjpeg_format; |
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extern AVFormat jpeg_format; |
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extern AVFormat single_jpeg_format; |
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/* swfenc.c */ |
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extern AVFormat swf_format; |
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/* gif.c */ |
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extern AVFormat gif_format; |
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/* au.c */ |
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extern AVFormat au_format; |
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/* wav.c */ |
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extern AVFormat wav_format; |
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/* crc.c */ |
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extern AVFormat crc_format; |
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/* img.c */ |
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extern AVFormat pgm_format; |
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extern AVFormat ppm_format; |
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extern AVFormat pgmyuv_format; |
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extern AVFormat imgyuv_format; |
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extern AVFormat pgmpipe_format; |
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extern AVFormat pgmyuvpipe_format; |
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extern AVFormat ppmpipe_format; |
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/* raw.c */ |
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extern AVFormat mp2_format; |
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extern AVFormat ac3_format; |
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extern AVFormat h263_format; |
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extern AVFormat mpeg1video_format; |
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extern AVFormat mjpeg_format; |
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extern AVFormat pcm_s16le_format; |
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extern AVFormat pcm_s16be_format; |
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extern AVFormat pcm_u16le_format; |
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extern AVFormat pcm_u16be_format; |
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extern AVFormat pcm_s8_format; |
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extern AVFormat pcm_u8_format; |
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extern AVFormat pcm_mulaw_format; |
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extern AVFormat pcm_alaw_format; |
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extern AVFormat rawvideo_format; |
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/* ffm.c */ |
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extern AVFormat ffm_format; |
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/* formats.c */ |
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#define MKTAG(a,b,c,d) (a | (b << 8) | (c << 16) | (d << 24)) |
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#define MKBETAG(a,b,c,d) (d | (c << 8) | (b << 16) | (a << 24)) |
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void register_avformat(AVFormat *format); |
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AVFormat *guess_format(const char *short_name, const char *filename, const char *mime_type); |
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int strstart(const char *str, const char *val, const char **ptr); |
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void nstrcpy(char *buf, int buf_size, const char *str); |
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/* This does what strncpy ought to do. */ |
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void strlcpy(char *dst, const char *src, int dst_size); |
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int match_ext(const char *filename, const char *extensions); |
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void register_all(void); |
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INT64 gettime(void); |
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typedef struct FifoBuffer { |
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UINT8 *buffer; |
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UINT8 *rptr, *wptr, *end; |
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} FifoBuffer; |
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int fifo_init(FifoBuffer *f, int size); |
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void fifo_free(FifoBuffer *f); |
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int fifo_size(FifoBuffer *f, UINT8 *rptr); |
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int fifo_read(FifoBuffer *f, UINT8 *buf, int buf_size, UINT8 **rptr_ptr); |
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void fifo_write(FifoBuffer *f, UINT8 *buf, int size, UINT8 **wptr_ptr); |
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AVFormatContext *av_open_input_file(const char *filename, |
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const char *format_name, |
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int buf_size, |
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AVFormatParameters *ap); |
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int av_read_packet(AVFormatContext *s, AVPacket *pkt); |
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void av_close_input_file(AVFormatContext *s); |
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int av_write_packet(AVFormatContext *s, AVPacket *pkt, int force_pts); |
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void dump_format(AVFormatContext *ic, |
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int index, |
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const char *url, |
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int is_output); |
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int parse_image_size(int *width_ptr, int *height_ptr, const char *str); |
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INT64 gettime(void); |
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INT64 parse_date(const char *datestr, int duration); |
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/* ffm specific for ffserver */ |
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#define FFM_PACKET_SIZE 4096 |
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offset_t ffm_read_write_index(int fd); |
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void ffm_write_write_index(int fd, offset_t pos); |
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void ffm_set_write_index(AVFormatContext *s, offset_t pos, offset_t file_size); |
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int find_info_tag(char *arg, int arg_size, const char *tag1, const char *info); |
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int get_frame_filename(char *buf, int buf_size, |
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const char *path, int number); |
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/* grab/output specific */ |
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extern AVFormat video_grab_device_format; |
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extern AVFormat audio_device_format; |
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extern const char *v4l_device; |
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extern const char *audio_device;
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