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#define AVIF_HASINDEX 0x00000010 // Index at end of file?
#define AVIF_MUSTUSEINDEX 0x00000020
#define AVIF_ISINTERLEAVED 0x00000100
#define AVIF_TRUSTCKTYPE 0x00000800 // Use CKType to find key frames?
#define AVIF_WASCAPTUREFILE 0x00010000
#define AVIF_COPYRIGHTED 0x00020000
offset_t start_tag(ByteIOContext *pb, char *tag);
void end_tag(ByteIOContext *pb, offset_t start);
typedef struct CodecTag {
int id;
unsigned int tag;
} CodecTag;
void put_bmp_header(ByteIOContext *pb, AVCodecContext *enc, CodecTag *tags);
int put_wav_header(ByteIOContext *pb, AVCodecContext *enc);
int wav_codec_get_id(unsigned int tag, int bps);
extern CodecTag codec_bmp_tags[];
extern CodecTag codec_wav_tags[];
unsigned int codec_get_tag(const CodecTag *tags, int id);
int codec_get_id(const CodecTag *tags, unsigned int tag);
/* avidec.c */
int avi_read_header(AVFormatContext *s, AVFormatParameters *ap);
int avi_read_packet(AVFormatContext *s, AVPacket *pkt);
int avi_read_close(AVFormatContext *s);
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