191 lines
6.6 KiB
C++
Executable File
191 lines
6.6 KiB
C++
Executable File
#ifndef AVILIB_H
|
|
#define AVILIB_H
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef struct {
|
|
long pos;
|
|
long len;
|
|
long tot;
|
|
} video_index_entry;
|
|
|
|
typedef struct {
|
|
long pos;
|
|
long len;
|
|
long tot;
|
|
} audio_index_entry;
|
|
|
|
typedef struct {
|
|
void *fdes; /* File descriptor of AVI file */
|
|
long mode; /* 0 for reading, 1 for writing */
|
|
|
|
long width; /* Width of a video frame */
|
|
long height; /* Height of a video frame */
|
|
double fps; /* Frames per second */
|
|
char compressor[8]; /* Type of compressor, 4 bytes + padding for 0 byte */
|
|
long video_strn; /* Video stream number */
|
|
long video_frames; /* Number of video frames */
|
|
char video_tag[4]; /* Tag of video data */
|
|
long video_pos; /* Number of next frame to be read
|
|
(if index present) */
|
|
long video_posb; /* video position: byte within chunk */
|
|
|
|
long a_fmt; /* Audio format, see #defines below */
|
|
long a_chans; /* Audio channels, 0 for no audio */
|
|
long a_rate; /* Rate in Hz */
|
|
long a_bits; /* bits per audio sample */
|
|
long audio_strn; /* Audio stream number */
|
|
long audio_bytes; /* Total number of bytes of audio data */
|
|
long audio_chunks; /* Chunks of audio data in the file */
|
|
char audio_tag[4]; /* Tag of audio data */
|
|
long audio_posc; /* Audio position: chunk */
|
|
long audio_posb; /* Audio position: byte within chunk */
|
|
|
|
long pos; /* position in file */
|
|
long n_idx; /* number of index entries actually filled */
|
|
long max_idx; /* number of index entries actually allocated */
|
|
unsigned char (*idx)[16]; /* index entries (AVI idx1 tag) */
|
|
video_index_entry *video_index;
|
|
audio_index_entry *audio_index;
|
|
long last_pos; /* Position of last frame written */
|
|
long last_len; /* Length of last frame written */
|
|
int must_use_index; /* Flag if frames are duplicated */
|
|
long movi_start;
|
|
} avi_t;
|
|
|
|
#define AVI_MODE_WRITE 0
|
|
#define AVI_MODE_READ 1
|
|
|
|
/* The error codes delivered by avi_open_input_file */
|
|
|
|
#define AVI_ERR_SIZELIM 1 /* The write of the data would exceed
|
|
the maximum size of the AVI file.
|
|
This is more a warning than an error
|
|
since the file may be closed safely */
|
|
|
|
#define AVI_ERR_OPEN 2 /* Error opening the AVI file - wrong path
|
|
name or file nor readable/writable */
|
|
|
|
#define AVI_ERR_READ 3 /* Error reading from AVI File */
|
|
|
|
#define AVI_ERR_WRITE 4 /* Error writing to AVI File,
|
|
disk full ??? */
|
|
|
|
#define AVI_ERR_WRITE_INDEX 5 /* Could not write index to AVI file
|
|
during close, file may still be
|
|
usable */
|
|
|
|
#define AVI_ERR_CLOSE 6 /* Could not write header to AVI file
|
|
or not truncate the file during close,
|
|
file is most probably corrupted */
|
|
|
|
#define AVI_ERR_NOT_PERM 7 /* Operation not permitted:
|
|
trying to read from a file open
|
|
for writing or vice versa */
|
|
|
|
#define AVI_ERR_NO_MEM 8 /* malloc failed */
|
|
|
|
#define AVI_ERR_NO_AVI 9 /* Not an AVI file */
|
|
|
|
#define AVI_ERR_NO_HDRL 10 /* AVI file has no has no header list,
|
|
corrupted ??? */
|
|
|
|
#define AVI_ERR_NO_MOVI 11 /* AVI file has no has no MOVI list,
|
|
corrupted ??? */
|
|
|
|
#define AVI_ERR_NO_VIDS 12 /* AVI file contains no video data */
|
|
|
|
#define AVI_ERR_NO_IDX 13 /* The file has been opened with
|
|
getIndex==0, but an operation has been
|
|
performed that needs an index */
|
|
|
|
/* Possible Audio formats */
|
|
#ifndef WAVE_FORMAT_UNKNOWN
|
|
/* Most of these are defined by Microsoft - don't redefine them */
|
|
#define WAVE_FORMAT_UNKNOWN (0x0000)
|
|
#ifndef WAVE_FORMAT_PCM
|
|
#define WAVE_FORMAT_PCM (0x0001)
|
|
#endif
|
|
#define WAVE_FORMAT_ADPCM (0x0002)
|
|
#define WAVE_FORMAT_IBM_CVSD (0x0005)
|
|
#define WAVE_FORMAT_ALAW (0x0006)
|
|
#define WAVE_FORMAT_MULAW (0x0007)
|
|
#define WAVE_FORMAT_OKI_ADPCM (0x0010)
|
|
#define WAVE_FORMAT_DVI_ADPCM (0x0011)
|
|
#define WAVE_FORMAT_DIGISTD (0x0015)
|
|
#define WAVE_FORMAT_DIGIFIX (0x0016)
|
|
#define WAVE_FORMAT_YAMAHA_ADPCM (0x0020)
|
|
#define WAVE_FORMAT_DSP_TRUESPEECH (0x0022)
|
|
#define WAVE_FORMAT_GSM610 (0x0031)
|
|
#endif
|
|
#define IBM_FORMAT_MULAW (0x0101)
|
|
#define IBM_FORMAT_ALAW (0x0102)
|
|
#define IBM_FORMAT_ADPCM (0x0103)
|
|
|
|
|
|
void AVI_open_output_file(avi_t **avi_p, char *filename);
|
|
|
|
void AVI_set_video(avi_t *AVI, int width, int height, double fps, char *compressor);
|
|
|
|
void AVI_set_audio(avi_t *AVI, int channels, long rate, int bits, int format);
|
|
|
|
int AVI_write_frame(avi_t *AVI, char *data, long bytes);
|
|
|
|
int AVI_dup_frame(avi_t *AVI);
|
|
|
|
int AVI_write_audio(avi_t *AVI, char *data, long bytes);
|
|
|
|
long AVI_bytes_remain(avi_t *AVI);
|
|
|
|
int AVI_close(avi_t *AVI);
|
|
|
|
avi_t *AVI_open_input_file(const char *filename, int getIndex);
|
|
|
|
long AVI_video_frames(avi_t *AVI);
|
|
|
|
int AVI_video_width(avi_t *AVI);
|
|
|
|
int AVI_video_height(avi_t *AVI);
|
|
|
|
double AVI_video_frame_rate(avi_t *AVI);
|
|
|
|
char *AVI_video_compressor(avi_t *AVI);
|
|
|
|
int AVI_audio_channels(avi_t *AVI);
|
|
|
|
int AVI_audio_bits(avi_t *AVI);
|
|
|
|
int AVI_audio_format(avi_t *AVI);
|
|
|
|
long AVI_audio_rate(avi_t *AVI);
|
|
|
|
long AVI_audio_bytes(avi_t *AVI);
|
|
|
|
long AVI_frame_size(avi_t *AVI, long frame);
|
|
|
|
int AVI_seek_start(avi_t *AVI);
|
|
|
|
int AVI_set_video_position(avi_t *AVI, long frame, long *frame_len);
|
|
|
|
long AVI_read_frame(avi_t *AVI, char *vidbuf, long byte);
|
|
|
|
int AVI_set_audio_position(avi_t *AVI, long byte);
|
|
|
|
int AVI_set_audio_frame(avi_t *AVI, long frame, long *frame_len);
|
|
|
|
long AVI_read_audio(avi_t *AVI, char *audbuf, long bytes);
|
|
|
|
int AVI_read_data(avi_t *AVI, char *vidbuf, long max_vidbuf, char *audbuf, long max_audbuf, long *len);
|
|
|
|
#if 0
|
|
void AVI_print_error(char *str);
|
|
char *AVI_strerror();
|
|
char *AVI_syserror();
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif
|