/usr/include/libmpeg3.h is in libmpeg3-dev 1.5.4-5ubuntu1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 | #ifndef LIBMPEG3_H
#define LIBMPEG3_H
#ifdef __cplusplus
extern "C" {
#endif
#include "mpeg3private.h"
/* Supported color models for mpeg3_read_frame */
#define MPEG3_RGB565 2
#define MPEG3_BGR888 0
#define MPEG3_BGRA8888 1
#define MPEG3_RGB888 3
#define MPEG3_RGBA8888 4
#define MPEG3_RGBA16161616 5
/* Color models for the 601 to RGB conversion */
/* 601 not implemented for scalar code */
#define MPEG3_601_RGB565 11
#define MPEG3_601_BGR888 7
#define MPEG3_601_BGRA8888 8
#define MPEG3_601_RGB888 9
#define MPEG3_601_RGBA8888 10
/* Supported color models for mpeg3_read_yuvframe */
#define MPEG3_YUV420P 12
#define MPEG3_YUV422P 13
/* Get version information */
int mpeg3_major();
int mpeg3_minor();
int mpeg3_release();
/* Check for file compatibility. Return 1 if compatible. */
int mpeg3_check_sig(char *path);
/* Open the MPEG3 stream. */
mpeg3_t* mpeg3_open(char *path);
/* Open the MPEG3 stream and copy the tables from an already open stream. */
/* Eliminates the initial timecode search. */
mpeg3_t* mpeg3_open_copy(char *path, mpeg3_t *old_file);
int mpeg3_close(mpeg3_t *file);
/* Performance */
int mpeg3_set_cpus(mpeg3_t *file, int cpus);
int mpeg3_set_mmx(mpeg3_t *file, int use_mmx);
/* Query the MPEG3 stream about audio. */
int mpeg3_has_audio(mpeg3_t *file);
int mpeg3_total_astreams(mpeg3_t *file); /* Number of multiplexed audio streams */
int mpeg3_audio_channels(mpeg3_t *file, int stream);
int mpeg3_sample_rate(mpeg3_t *file, int stream);
char* mpeg3_audio_format(mpeg3_t *file, int stream);
/* Total length obtained from the timecode. */
/* For DVD files, this is unreliable. */
long mpeg3_audio_samples(mpeg3_t *file, int stream);
int mpeg3_set_sample(mpeg3_t *file, long sample, int stream); /* Seek to a sample */
long mpeg3_get_sample(mpeg3_t *file, int stream); /* Tell current position */
/* Read a PCM buffer of audio from 1 channel and advance the position. */
/* Return a 1 if error. */
/* Stream defines the number of the multiplexed stream to read. */
/* If both output arguments are null the audio is not rendered. */
int mpeg3_read_audio(mpeg3_t *file,
float *output_f, /* Pointer to pre-allocated buffer of floats */
short *output_i, /* Pointer to pre-allocated buffer of int16's */
int channel, /* Channel to decode */
long samples, /* Number of samples to decode */
int stream); /* Stream containing the channel */
/* Reread the last PCM buffer from a different channel and advance the position */
int mpeg3_reread_audio(mpeg3_t *file,
float *output_f, /* Pointer to pre-allocated buffer of floats */
short *output_i, /* Pointer to pre-allocated buffer of int16's */
int channel, /* Channel to decode */
long samples, /* Number of samples to decode */
int stream); /* Stream containing the channel */
/* Read the next compressed audio chunk. Store the size in size and return a */
/* 1 if error. */
/* Stream defines the number of the multiplexed stream to read. */
int mpeg3_read_audio_chunk(mpeg3_t *file,
unsigned char *output,
long *size,
long max_size,
int stream);
/* Query the stream about video. */
int mpeg3_has_video(mpeg3_t *file);
int mpeg3_total_vstreams(mpeg3_t *file); /* Number of multiplexed video streams */
int mpeg3_video_width(mpeg3_t *file, int stream);
int mpeg3_video_height(mpeg3_t *file, int stream);
float mpeg3_aspect_ratio(mpeg3_t *file, int stream); /* aspect ratio. 0 if none */
double mpeg3_frame_rate(mpeg3_t *file, int stream); /* Frames/sec */
/* Total length. */
/* This is meaningless except for TOC files. */
long mpeg3_video_frames(mpeg3_t *file, int stream);
int mpeg3_set_frame(mpeg3_t *file, long frame, int stream); /* Seek to a frame */
int mpeg3_skip_frames();
long mpeg3_get_frame(mpeg3_t *file, int stream); /* Tell current position */
/* Total bytes. Used for absolute byte seeking. */
int64_t mpeg3_get_bytes(mpeg3_t *file);
/* Seek all the tracks to the absolute byte in the */
/* file. This eliminates the need for tocs but doesn't */
/* give frame accuracy. */
int mpeg3_seek_byte(mpeg3_t *file, int64_t byte);
int64_t mpeg3_tell_byte(mpeg3_t *file);
/* To synchronize audio and video in percentage seeking mode, these must */
/* be called after percentage seeking the video file and before */
/* percentage seeking the audio file. Then when the audio file is percentage */
/* seeked it will search for the nearest pts to file->percentage_pts. */
/*
* double mpeg3_get_percentage_pts(mpeg3_t *file);
* void mpeg3_set_percentage_pts(mpeg3_t *file, double pts);
*/
int mpeg3_previous_frame(mpeg3_t *file, int stream);
int mpeg3_end_of_audio(mpeg3_t *file, int stream);
int mpeg3_end_of_video(mpeg3_t *file, int stream);
/* Give the seconds time in the last packet read */
double mpeg3_get_time(mpeg3_t *file);
/* Read a frame. The dimensions of the input area and output frame must be supplied. */
/* The frame is taken from the input area and scaled to fit the output frame in 1 step. */
/* Stream defines the number of the multiplexed stream to read. */
/* The last row of **output_rows must contain 4 extra bytes for scratch work. */
int mpeg3_read_frame(mpeg3_t *file,
unsigned char **output_rows, /* Array of pointers to the start of each output row */
int in_x, /* Location in input frame to take picture */
int in_y,
int in_w,
int in_h,
int out_w, /* Dimensions of output_rows */
int out_h,
int color_model, /* One of the color model #defines */
int stream);
/* Get the colormodel being used natively by the stream */
int mpeg3_colormodel(mpeg3_t *file, int stream);
/* Set the row stride to be used in mpeg3_read_yuvframe */
int mpeg3_set_rowspan(mpeg3_t *file, int bytes, int stream);
/* Read a frame in the native color model used by the stream. */
/* The Y, U, and V planes are copied into the y, u, and v */
/* buffers provided. */
/* The input is cropped to the dimensions given but not scaled. */
int mpeg3_read_yuvframe(mpeg3_t *file,
char *y_output,
char *u_output,
char *v_output,
int in_x,
int in_y,
int in_w,
int in_h,
int stream);
/* Read a frame in the native color model used by the stream. */
/* The Y, U, and V planes are not copied but the _output pointers */
/* are redirected to the frame buffer. */
int mpeg3_read_yuvframe_ptr(mpeg3_t *file,
char **y_output,
char **u_output,
char **v_output,
int stream);
/* Drop frames number of frames */
int mpeg3_drop_frames(mpeg3_t *file, long frames, int stream);
/* Read the next compressed frame including headers. */
/* Store the size in size and return a 1 if error. */
/* Stream defines the number of the multiplexed stream to read. */
int mpeg3_read_video_chunk(mpeg3_t *file,
unsigned char *output,
long *size,
long max_size,
int stream);
/* Master control */
int mpeg3_total_programs();
int mpeg3_set_program(int program);
#ifdef __cplusplus
}
#endif
#endif
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