Initial revision

Originally committed as revision 5 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 192 insertions, 0 deletions

diff --git a/libav/avformat.h b/libav/avformat.h
new file mode 100644
index 0000000000..44e9da2a55
--- /dev/null
+++ b/libav/avformat.h
@@ -0,0 +1,192 @@
+
+#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);
+