Commit | Line | Data |
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fb025625 FB |
1 | #ifndef AVFORMAT_H |
2 | #define AVFORMAT_H | |
de6d9b64 | 3 | |
02d697aa ZK |
4 | #ifdef __cplusplus |
5 | extern "C" { | |
6 | #endif | |
7 | ||
27a5fe5f | 8 | #define LIBAVFORMAT_BUILD 4622 |
8026c3b5 | 9 | |
7b7d86f1 FB |
10 | #define LIBAVFORMAT_VERSION_INT FFMPEG_VERSION_INT |
11 | #define LIBAVFORMAT_VERSION FFMPEG_VERSION | |
12 | #define LIBAVFORMAT_IDENT "FFmpeg" FFMPEG_VERSION "b" AV_STRINGIFY(LIBAVFORMAT_BUILD) | |
4b1f4f23 | 13 | |
f71869a4 | 14 | #include <time.h> |
67070e4f | 15 | #include <stdio.h> /* FILE */ |
de6d9b64 FB |
16 | #include "avcodec.h" |
17 | ||
de6d9b64 FB |
18 | #include "avio.h" |
19 | ||
20 | /* packet functions */ | |
21 | ||
ee404803 FB |
22 | #ifndef MAXINT64 |
23 | #define MAXINT64 int64_t_C(0x7fffffffffffffff) | |
24 | #endif | |
25 | ||
26 | #ifndef MININT64 | |
27 | #define MININT64 int64_t_C(0x8000000000000000) | |
28 | #endif | |
29 | ||
de6d9b64 | 30 | typedef struct AVPacket { |
fb2758c8 FB |
31 | int64_t pts; /* presentation time stamp in AV_TIME_BASE units (or |
32 | pts_den units in muxers or demuxers) */ | |
33 | int64_t dts; /* decompression time stamp in AV_TIME_BASE units (or | |
34 | pts_den units in muxers or demuxers) */ | |
0c1a9eda | 35 | uint8_t *data; |
6fa5a56c FB |
36 | int size; |
37 | int stream_index; | |
38 | int flags; | |
fb2758c8 | 39 | int duration; /* presentation duration (0 if not available) */ |
6fa5a56c FB |
40 | void (*destruct)(struct AVPacket *); |
41 | void *priv; | |
de6d9b64 | 42 | } AVPacket; |
6fa5a56c FB |
43 | #define PKT_FLAG_KEY 0x0001 |
44 | ||
63dd1377 MN |
45 | void av_destruct_packet_nofree(AVPacket *pkt); |
46 | ||
da24c5e3 | 47 | /* initialize optional fields of a packet */ |
6fa5a56c FB |
48 | static inline void av_init_packet(AVPacket *pkt) |
49 | { | |
50 | pkt->pts = AV_NOPTS_VALUE; | |
fb2758c8 FB |
51 | pkt->dts = AV_NOPTS_VALUE; |
52 | pkt->duration = 0; | |
6fa5a56c FB |
53 | pkt->flags = 0; |
54 | pkt->stream_index = 0; | |
63dd1377 | 55 | pkt->destruct= av_destruct_packet_nofree; |
6fa5a56c | 56 | } |
de6d9b64 FB |
57 | |
58 | int av_new_packet(AVPacket *pkt, int size); | |
fb2758c8 | 59 | int av_dup_packet(AVPacket *pkt); |
6fa5a56c FB |
60 | |
61 | /** | |
62 | * Free a packet | |
63 | * | |
64 | * @param pkt packet to free | |
65 | */ | |
66 | static inline void av_free_packet(AVPacket *pkt) | |
67 | { | |
342474ab MN |
68 | if (pkt && pkt->destruct) { |
69 | pkt->destruct(pkt); | |
70 | } | |
6fa5a56c | 71 | } |
de6d9b64 FB |
72 | |
73 | /*************************************************/ | |
916c80e9 FB |
74 | /* fractional numbers for exact pts handling */ |
75 | ||
76 | /* the exact value of the fractional number is: 'val + num / den'. num | |
77 | is assumed to be such as 0 <= num < den */ | |
78 | typedef struct AVFrac { | |
0c1a9eda | 79 | int64_t val, num, den; |
916c80e9 FB |
80 | } AVFrac; |
81 | ||
0c1a9eda ZK |
82 | void av_frac_init(AVFrac *f, int64_t val, int64_t num, int64_t den); |
83 | void av_frac_add(AVFrac *f, int64_t incr); | |
84 | void av_frac_set(AVFrac *f, int64_t val); | |
916c80e9 FB |
85 | |
86 | /*************************************************/ | |
b9a281db | 87 | /* input/output formats */ |
de6d9b64 FB |
88 | |
89 | struct AVFormatContext; | |
b9a281db FB |
90 | |
91 | /* this structure contains the data a format has to probe a file */ | |
92 | typedef struct AVProbeData { | |
5c91a675 | 93 | const char *filename; |
b9a281db FB |
94 | unsigned char *buf; |
95 | int buf_size; | |
96 | } AVProbeData; | |
97 | ||
98 | #define AVPROBE_SCORE_MAX 100 | |
de6d9b64 FB |
99 | |
100 | typedef struct AVFormatParameters { | |
101 | int frame_rate; | |
14bea432 | 102 | int frame_rate_base; |
de6d9b64 FB |
103 | int sample_rate; |
104 | int channels; | |
105 | int width; | |
106 | int height; | |
4606ac8d | 107 | enum PixelFormat pix_fmt; |
290c5fa6 | 108 | struct AVImageFormat *image_format; |
7f172339 FB |
109 | int channel; /* used to select dv channel */ |
110 | const char *device; /* video4linux, audio or DV device */ | |
e3ee3283 | 111 | const char *standard; /* tv standard, NTSC, PAL, SECAM */ |
da24c5e3 FB |
112 | int mpeg2ts_raw:1; /* force raw MPEG2 transport stream output, if possible */ |
113 | int mpeg2ts_compute_pcr:1; /* compute exact PCR for each transport | |
114 | stream packet (only meaningful if | |
115 | mpeg2ts_raw is TRUE */ | |
fb2758c8 FB |
116 | int initial_pause:1; /* do not begin to play the stream |
117 | immediately (RTSP only) */ | |
5b6d5596 MN |
118 | enum CodecID video_codec_id; |
119 | enum CodecID audio_codec_id; | |
de6d9b64 FB |
120 | } AVFormatParameters; |
121 | ||
b9a281db FB |
122 | #define AVFMT_NOFILE 0x0001 /* no file should be opened */ |
123 | #define AVFMT_NEEDNUMBER 0x0002 /* needs '%d' in filename */ | |
b9a281db | 124 | #define AVFMT_SHOW_IDS 0x0008 /* show format stream IDs numbers */ |
fb025625 FB |
125 | #define AVFMT_RAWPICTURE 0x0020 /* format wants AVPicture structure for |
126 | raw picture data */ | |
b9a281db FB |
127 | |
128 | typedef struct AVOutputFormat { | |
de6d9b64 FB |
129 | const char *name; |
130 | const char *long_name; | |
131 | const char *mime_type; | |
132 | const char *extensions; /* comma separated extensions */ | |
b9a281db FB |
133 | /* size of private data so that it can be allocated in the wrapper */ |
134 | int priv_data_size; | |
de6d9b64 FB |
135 | /* output support */ |
136 | enum CodecID audio_codec; /* default audio codec */ | |
137 | enum CodecID video_codec; /* default video codec */ | |
138 | int (*write_header)(struct AVFormatContext *); | |
e928649b | 139 | int (*write_packet)(struct AVFormatContext *, AVPacket *pkt); |
de6d9b64 | 140 | int (*write_trailer)(struct AVFormatContext *); |
b9a281db FB |
141 | /* can use flags: AVFMT_NOFILE, AVFMT_NEEDNUMBER */ |
142 | int flags; | |
290c5fa6 FB |
143 | /* currently only used to set pixel format if not YUV420P */ |
144 | int (*set_parameters)(struct AVFormatContext *, AVFormatParameters *); | |
fe2d6fe2 | 145 | int (*interleave_packet)(struct AVFormatContext *, AVPacket *out, AVPacket *in, int flush); |
b9a281db FB |
146 | /* private fields */ |
147 | struct AVOutputFormat *next; | |
148 | } AVOutputFormat; | |
de6d9b64 | 149 | |
b9a281db FB |
150 | typedef struct AVInputFormat { |
151 | const char *name; | |
152 | const char *long_name; | |
153 | /* size of private data so that it can be allocated in the wrapper */ | |
154 | int priv_data_size; | |
155 | /* tell if a given file has a chance of being parsing by this format */ | |
156 | int (*read_probe)(AVProbeData *); | |
157 | /* read the format header and initialize the AVFormatContext | |
de6d9b64 | 158 | structure. Return 0 if OK. 'ap' if non NULL contains |
b9a281db FB |
159 | additionnal paramters. Only used in raw format right |
160 | now. 'av_new_stream' should be called to create new streams. */ | |
de6d9b64 FB |
161 | int (*read_header)(struct AVFormatContext *, |
162 | AVFormatParameters *ap); | |
b9a281db FB |
163 | /* read one packet and put it in 'pkt'. pts and flags are also |
164 | set. 'av_new_stream' can be called only if the flag | |
da24c5e3 | 165 | AVFMTCTX_NOHEADER is used. */ |
de6d9b64 FB |
166 | int (*read_packet)(struct AVFormatContext *, AVPacket *pkt); |
167 | /* close the stream. The AVFormatContext and AVStreams are not | |
168 | freed by this function */ | |
169 | int (*read_close)(struct AVFormatContext *); | |
3ba1438d MN |
170 | /** |
171 | * seek to a given timestamp relative to the frames in | |
172 | * stream component stream_index | |
173 | * @param stream_index must not be -1 | |
174 | * @param flags selects which direction should be preferred if no exact | |
175 | * match is available | |
176 | */ | |
fb2758c8 | 177 | int (*read_seek)(struct AVFormatContext *, |
3ba1438d | 178 | int stream_index, int64_t timestamp, int flags); |
8d14a25c MN |
179 | /** |
180 | * gets the next timestamp in AV_TIME_BASE units. | |
181 | */ | |
182 | int64_t (*read_timestamp)(struct AVFormatContext *s, int stream_index, | |
183 | int64_t *pos, int64_t pos_limit); | |
da24c5e3 | 184 | /* can use flags: AVFMT_NOFILE, AVFMT_NEEDNUMBER */ |
de6d9b64 | 185 | int flags; |
b9a281db FB |
186 | /* if extensions are defined, then no probe is done. You should |
187 | usually not use extension format guessing because it is not | |
188 | reliable enough */ | |
189 | const char *extensions; | |
190 | /* general purpose read only value that the format can use */ | |
191 | int value; | |
fb2758c8 FB |
192 | |
193 | /* start/resume playing - only meaningful if using a network based format | |
194 | (RTSP) */ | |
195 | int (*read_play)(struct AVFormatContext *); | |
196 | ||
197 | /* pause playing - only meaningful if using a network based format | |
198 | (RTSP) */ | |
199 | int (*read_pause)(struct AVFormatContext *); | |
200 | ||
b9a281db FB |
201 | /* private fields */ |
202 | struct AVInputFormat *next; | |
203 | } AVInputFormat; | |
de6d9b64 | 204 | |
fb2758c8 FB |
205 | typedef struct AVIndexEntry { |
206 | int64_t pos; | |
207 | int64_t timestamp; | |
208 | #define AVINDEX_KEYFRAME 0x0001 | |
b754978a | 209 | /* the following 2 flags indicate that the next/prev keyframe is known, and scaning for it isnt needed */ |
fb2758c8 | 210 | int flags; |
3e9245a9 | 211 | int min_distance; /* min distance between this and the previous keyframe, used to avoid unneeded searching */ |
fb2758c8 FB |
212 | } AVIndexEntry; |
213 | ||
de6d9b64 | 214 | typedef struct AVStream { |
b9a281db FB |
215 | int index; /* stream index in AVFormatContext */ |
216 | int id; /* format specific stream id */ | |
de6d9b64 | 217 | AVCodecContext codec; /* codec context */ |
76c0441b | 218 | int r_frame_rate; /* real frame rate of the stream */ |
14bea432 | 219 | int r_frame_rate_base;/* real frame rate base of the stream */ |
de6d9b64 | 220 | void *priv_data; |
b9a281db | 221 | /* internal data used in av_find_stream_info() */ |
fb2758c8 FB |
222 | int64_t codec_info_duration; |
223 | int codec_info_nb_frames; | |
da24c5e3 | 224 | /* encoding: PTS generation when outputing stream */ |
1e51d801 | 225 | AVFrac pts; |
9ee91c2f MN |
226 | AVRational time_base; |
227 | int pts_wrap_bits; /* number of bits in pts (used for wrapping control) */ | |
a48b7a6b FB |
228 | /* ffmpeg.c private use */ |
229 | int stream_copy; /* if TRUE, just copy stream */ | |
b4aea108 MN |
230 | int discard; ///< if 1, packets can be discarded at will and dont need to be demuxed |
231 | //FIXME move stuff to a flags field? | |
1e491e29 MN |
232 | /* quality, as it has been removed from AVCodecContext and put in AVVideoFrame |
233 | * MN:dunno if thats the right place, for it */ | |
234 | float quality; | |
ee404803 FB |
235 | /* decoding: position of the first frame of the component, in |
236 | AV_TIME_BASE fractional seconds. */ | |
237 | int64_t start_time; | |
238 | /* decoding: duration of the stream, in AV_TIME_BASE fractional | |
239 | seconds. */ | |
240 | int64_t duration; | |
fb2758c8 FB |
241 | |
242 | /* av_read_frame() support */ | |
243 | int need_parsing; | |
244 | struct AVCodecParserContext *parser; | |
6ec87caa | 245 | |
fb2758c8 FB |
246 | int64_t cur_dts; |
247 | int last_IP_duration; | |
77405fc8 | 248 | int64_t last_IP_pts; |
fb2758c8 FB |
249 | /* av_seek_frame() support */ |
250 | AVIndexEntry *index_entries; /* only used if the format does not | |
251 | support seeking natively */ | |
252 | int nb_index_entries; | |
253 | int index_entries_allocated_size; | |
de6d9b64 FB |
254 | } AVStream; |
255 | ||
da24c5e3 FB |
256 | #define AVFMTCTX_NOHEADER 0x0001 /* signal that no header is present |
257 | (streams are added dynamically) */ | |
258 | ||
de6d9b64 FB |
259 | #define MAX_STREAMS 20 |
260 | ||
261 | /* format I/O context */ | |
262 | typedef struct AVFormatContext { | |
7fea94ce | 263 | const AVClass *av_class; /* set by av_alloc_format_context */ |
b9a281db FB |
264 | /* can only be iformat or oformat, not both at the same time */ |
265 | struct AVInputFormat *iformat; | |
266 | struct AVOutputFormat *oformat; | |
de6d9b64 FB |
267 | void *priv_data; |
268 | ByteIOContext pb; | |
269 | int nb_streams; | |
270 | AVStream *streams[MAX_STREAMS]; | |
271 | char filename[1024]; /* input or output filename */ | |
272 | /* stream info */ | |
4568325a | 273 | int64_t timestamp; |
de6d9b64 FB |
274 | char title[512]; |
275 | char author[512]; | |
276 | char copyright[512]; | |
277 | char comment[512]; | |
6a58e151 FB |
278 | char album[512]; |
279 | int year; /* ID3 year, 0 if none */ | |
280 | int track; /* track number, 0 if none */ | |
281 | char genre[32]; /* ID3 genre */ | |
282 | ||
da24c5e3 | 283 | int ctx_flags; /* format specific flags, see AVFMTCTX_xx */ |
916c80e9 | 284 | /* private data for pts handling (do not modify directly) */ |
de6d9b64 FB |
285 | /* This buffer is only needed when packets were already buffered but |
286 | not decoded, for example to get the codec parameters in mpeg | |
287 | streams */ | |
ee404803 FB |
288 | struct AVPacketList *packet_buffer; |
289 | ||
290 | /* decoding: position of the first frame of the component, in | |
291 | AV_TIME_BASE fractional seconds. NEVER set this value directly: | |
292 | it is deduced from the AVStream values. */ | |
293 | int64_t start_time; | |
294 | /* decoding: duration of the stream, in AV_TIME_BASE fractional | |
295 | seconds. NEVER set this value directly: it is deduced from the | |
296 | AVStream values. */ | |
297 | int64_t duration; | |
298 | /* decoding: total file size. 0 if unknown */ | |
299 | int64_t file_size; | |
300 | /* decoding: total stream bitrate in bit/s, 0 if not | |
301 | available. Never set it directly if the file_size and the | |
302 | duration are known as ffmpeg can compute it automatically. */ | |
303 | int bit_rate; | |
fb2758c8 FB |
304 | |
305 | /* av_read_frame() support */ | |
306 | AVStream *cur_st; | |
307 | const uint8_t *cur_ptr; | |
308 | int cur_len; | |
309 | AVPacket cur_pkt; | |
310 | ||
fb2758c8 FB |
311 | /* av_seek_frame() support */ |
312 | int64_t data_offset; /* offset of the first packet */ | |
313 | int index_built; | |
2db3c638 MN |
314 | |
315 | int mux_rate; | |
316 | int packet_size; | |
17c88cb0 MN |
317 | int preload; |
318 | int max_delay; | |
de6d9b64 FB |
319 | } AVFormatContext; |
320 | ||
321 | typedef struct AVPacketList { | |
322 | AVPacket pkt; | |
323 | struct AVPacketList *next; | |
324 | } AVPacketList; | |
325 | ||
b9a281db FB |
326 | extern AVInputFormat *first_iformat; |
327 | extern AVOutputFormat *first_oformat; | |
de6d9b64 | 328 | |
290c5fa6 FB |
329 | /* still image support */ |
330 | struct AVInputImageContext; | |
331 | typedef struct AVInputImageContext AVInputImageContext; | |
332 | ||
333 | typedef struct AVImageInfo { | |
334 | enum PixelFormat pix_fmt; /* requested pixel format */ | |
335 | int width; /* requested width */ | |
336 | int height; /* requested height */ | |
7e2e1abf | 337 | int interleaved; /* image is interleaved (e.g. interleaved GIF) */ |
290c5fa6 FB |
338 | AVPicture pict; /* returned allocated image */ |
339 | } AVImageInfo; | |
340 | ||
3b1a27e0 | 341 | /* AVImageFormat.flags field constants */ |
7e2e1abf | 342 | #define AVIMAGE_INTERLEAVED 0x0001 /* image format support interleaved output */ |
3b1a27e0 | 343 | |
290c5fa6 FB |
344 | typedef struct AVImageFormat { |
345 | const char *name; | |
346 | const char *extensions; | |
347 | /* tell if a given file has a chance of being parsing by this format */ | |
348 | int (*img_probe)(AVProbeData *); | |
349 | /* read a whole image. 'alloc_cb' is called when the image size is | |
350 | known so that the caller can allocate the image. If 'allo_cb' | |
351 | returns non zero, then the parsing is aborted. Return '0' if | |
352 | OK. */ | |
353 | int (*img_read)(ByteIOContext *, | |
354 | int (*alloc_cb)(void *, AVImageInfo *info), void *); | |
355 | /* write the image */ | |
356 | int supported_pixel_formats; /* mask of supported formats for output */ | |
357 | int (*img_write)(ByteIOContext *, AVImageInfo *); | |
3b1a27e0 | 358 | int flags; |
290c5fa6 FB |
359 | struct AVImageFormat *next; |
360 | } AVImageFormat; | |
361 | ||
362 | void av_register_image_format(AVImageFormat *img_fmt); | |
363 | AVImageFormat *av_probe_image_format(AVProbeData *pd); | |
364 | AVImageFormat *guess_image_format(const char *filename); | |
5b6d5596 | 365 | enum CodecID av_guess_image2_codec(const char *filename); |
290c5fa6 FB |
366 | int av_read_image(ByteIOContext *pb, const char *filename, |
367 | AVImageFormat *fmt, | |
368 | int (*alloc_cb)(void *, AVImageInfo *info), void *opaque); | |
369 | int av_write_image(ByteIOContext *pb, AVImageFormat *fmt, AVImageInfo *img); | |
370 | ||
371 | extern AVImageFormat *first_image_format; | |
372 | ||
373 | extern AVImageFormat pnm_image_format; | |
374 | extern AVImageFormat pbm_image_format; | |
375 | extern AVImageFormat pgm_image_format; | |
376 | extern AVImageFormat ppm_image_format; | |
8975ba81 | 377 | extern AVImageFormat pam_image_format; |
290c5fa6 FB |
378 | extern AVImageFormat pgmyuv_image_format; |
379 | extern AVImageFormat yuv_image_format; | |
3a13f6bd | 380 | #ifdef CONFIG_ZLIB |
0e04e4e9 | 381 | extern AVImageFormat png_image_format; |
3a13f6bd | 382 | #endif |
0250738f | 383 | extern AVImageFormat jpeg_image_format; |
cdc90af0 | 384 | extern AVImageFormat gif_image_format; |
6a91ec51 | 385 | extern AVImageFormat sgi_image_format; |
290c5fa6 | 386 | |
b9a281db FB |
387 | /* XXX: use automatic init with either ELF sections or C file parser */ |
388 | /* modules */ | |
de6d9b64 | 389 | |
b9a281db | 390 | /* mpeg.c */ |
ee404803 | 391 | extern AVInputFormat mpegps_demux; |
b9a281db FB |
392 | int mpegps_init(void); |
393 | ||
394 | /* mpegts.c */ | |
395 | extern AVInputFormat mpegts_demux; | |
396 | int mpegts_init(void); | |
de6d9b64 | 397 | |
b9a281db FB |
398 | /* rm.c */ |
399 | int rm_init(void); | |
400 | ||
401 | /* crc.c */ | |
402 | int crc_init(void); | |
403 | ||
404 | /* img.c */ | |
405 | int img_init(void); | |
406 | ||
03cfe134 MN |
407 | /* img2.c */ |
408 | int img2_init(void); | |
409 | ||
b9a281db FB |
410 | /* asf.c */ |
411 | int asf_init(void); | |
de6d9b64 FB |
412 | |
413 | /* avienc.c */ | |
b9a281db | 414 | int avienc_init(void); |
de6d9b64 | 415 | |
b9a281db FB |
416 | /* avidec.c */ |
417 | int avidec_init(void); | |
6cea494e | 418 | |
b9a281db FB |
419 | /* swf.c */ |
420 | int swf_init(void); | |
421 | ||
422 | /* mov.c */ | |
423 | int mov_init(void); | |
de6d9b64 | 424 | |
1cb5f7fd MN |
425 | /* movenc.c */ |
426 | int movenc_init(void); | |
427 | ||
d4f5d74a GM |
428 | /* flvenc.c */ |
429 | int flvenc_init(void); | |
430 | ||
431 | /* flvdec.c */ | |
432 | int flvdec_init(void); | |
433 | ||
b9a281db FB |
434 | /* jpeg.c */ |
435 | int jpeg_init(void); | |
de6d9b64 | 436 | |
6cea494e | 437 | /* gif.c */ |
b9a281db FB |
438 | int gif_init(void); |
439 | ||
6cea494e | 440 | /* au.c */ |
b9a281db | 441 | int au_init(void); |
6cea494e | 442 | |
bc634f6f ZK |
443 | /* amr.c */ |
444 | int amr_init(void); | |
445 | ||
de6d9b64 | 446 | /* wav.c */ |
c3775e54 | 447 | int ff_wav_init(void); |
de6d9b64 FB |
448 | |
449 | /* raw.c */ | |
fb2758c8 | 450 | int pcm_read_seek(AVFormatContext *s, |
7b3c1382 | 451 | int stream_index, int64_t timestamp, int flags); |
b9a281db | 452 | int raw_init(void); |
de6d9b64 | 453 | |
6a58e151 FB |
454 | /* mp3.c */ |
455 | int mp3_init(void); | |
456 | ||
2864dfd5 RFI |
457 | /* yuv4mpeg.c */ |
458 | int yuv4mpeg_init(void); | |
459 | ||
81e0d0b4 MH |
460 | /* ogg.c */ |
461 | int ogg_init(void); | |
462 | ||
f20dca40 | 463 | /* dv.c */ |
c3775e54 | 464 | int ff_dv_init(void); |
f20dca40 | 465 | |
de6d9b64 | 466 | /* ffm.c */ |
b9a281db | 467 | int ffm_init(void); |
de6d9b64 | 468 | |
fb025625 FB |
469 | /* rtsp.c */ |
470 | extern AVInputFormat redir_demux; | |
471 | int redir_open(AVFormatContext **ic_ptr, ByteIOContext *f); | |
472 | ||
3c96b4ef MM |
473 | /* 4xm.c */ |
474 | int fourxm_init(void); | |
475 | ||
3f16d933 MM |
476 | /* psxstr.c */ |
477 | int str_init(void); | |
478 | ||
3ef8be2b MM |
479 | /* idroq.c */ |
480 | int roq_init(void); | |
481 | ||
482 | /* ipmovie.c */ | |
483 | int ipmovie_init(void); | |
484 | ||
3aa180b8 AB |
485 | /* nut.c */ |
486 | int nut_init(void); | |
487 | ||
493645eb MM |
488 | /* wc3movie.c */ |
489 | int wc3_init(void); | |
490 | ||
2fdf638b MM |
491 | /* westwood.c */ |
492 | int westwood_init(void); | |
493 | ||
494 | /* segafilm.c */ | |
495 | int film_init(void); | |
496 | ||
4120a53a MM |
497 | /* idcin.c */ |
498 | int idcin_init(void); | |
499 | ||
42cad81a MM |
500 | /* flic.c */ |
501 | int flic_init(void); | |
502 | ||
a7eb3c8d MM |
503 | /* sierravmd.c */ |
504 | int vmd_init(void); | |
505 | ||
08abe0fd MN |
506 | /* matroska.c */ |
507 | int matroska_init(void); | |
508 | ||
d08d7142 MM |
509 | /* sol.c */ |
510 | int sol_init(void); | |
511 | ||
ad81a9fe MM |
512 | /* electronicarts.c */ |
513 | int ea_init(void); | |
514 | ||
27d5f18f FR |
515 | /* nsvdec.c */ |
516 | int nsvdec_init(void); | |
517 | ||
fb025625 FB |
518 | #include "rtp.h" |
519 | ||
520 | #include "rtsp.h" | |
521 | ||
290c5fa6 FB |
522 | /* yuv4mpeg.c */ |
523 | extern AVOutputFormat yuv4mpegpipe_oformat; | |
524 | ||
b9a281db | 525 | /* utils.c */ |
b9a281db FB |
526 | void av_register_input_format(AVInputFormat *format); |
527 | void av_register_output_format(AVOutputFormat *format); | |
36ada60c PG |
528 | AVOutputFormat *guess_stream_format(const char *short_name, |
529 | const char *filename, const char *mime_type); | |
b9a281db FB |
530 | AVOutputFormat *guess_format(const char *short_name, |
531 | const char *filename, const char *mime_type); | |
5b6d5596 MN |
532 | enum CodecID av_guess_codec(AVOutputFormat *fmt, const char *short_name, |
533 | const char *filename, const char *mime_type, enum CodecType type); | |
de6d9b64 | 534 | |
fb2758c8 FB |
535 | void av_hex_dump(FILE *f, uint8_t *buf, int size); |
536 | void av_pkt_dump(FILE *f, AVPacket *pkt, int dump_payload); | |
de6d9b64 | 537 | |
94988531 | 538 | void av_register_all(void); |
de6d9b64 FB |
539 | |
540 | typedef struct FifoBuffer { | |
0c1a9eda ZK |
541 | uint8_t *buffer; |
542 | uint8_t *rptr, *wptr, *end; | |
de6d9b64 FB |
543 | } FifoBuffer; |
544 | ||
545 | int fifo_init(FifoBuffer *f, int size); | |
546 | void fifo_free(FifoBuffer *f); | |
0c1a9eda ZK |
547 | int fifo_size(FifoBuffer *f, uint8_t *rptr); |
548 | int fifo_read(FifoBuffer *f, uint8_t *buf, int buf_size, uint8_t **rptr_ptr); | |
549 | void fifo_write(FifoBuffer *f, uint8_t *buf, int size, uint8_t **wptr_ptr); | |
7000a175 | 550 | int put_fifo(ByteIOContext *pb, FifoBuffer *f, int buf_size, uint8_t **rptr_ptr); |
568e18b1 | 551 | void fifo_realloc(FifoBuffer *f, unsigned int size); |
de6d9b64 | 552 | |
b9a281db FB |
553 | /* media file input */ |
554 | AVInputFormat *av_find_input_format(const char *short_name); | |
94988531 | 555 | AVInputFormat *av_probe_input_format(AVProbeData *pd, int is_opened); |
da24c5e3 FB |
556 | int av_open_input_stream(AVFormatContext **ic_ptr, |
557 | ByteIOContext *pb, const char *filename, | |
558 | AVInputFormat *fmt, AVFormatParameters *ap); | |
b9a281db FB |
559 | int av_open_input_file(AVFormatContext **ic_ptr, const char *filename, |
560 | AVInputFormat *fmt, | |
561 | int buf_size, | |
562 | AVFormatParameters *ap); | |
bc874dae MB |
563 | /* no av_open for output, so applications will need this: */ |
564 | AVFormatContext *av_alloc_format_context(void); | |
b9a281db FB |
565 | |
566 | #define AVERROR_UNKNOWN (-1) /* unknown error */ | |
567 | #define AVERROR_IO (-2) /* i/o error */ | |
568 | #define AVERROR_NUMEXPECTED (-3) /* number syntax expected in filename */ | |
569 | #define AVERROR_INVALIDDATA (-4) /* invalid data found */ | |
570 | #define AVERROR_NOMEM (-5) /* not enough memory */ | |
571 | #define AVERROR_NOFMT (-6) /* unknown format */ | |
fb2758c8 FB |
572 | #define AVERROR_NOTSUPP (-7) /* operation not supported */ |
573 | ||
b9a281db | 574 | int av_find_stream_info(AVFormatContext *ic); |
de6d9b64 | 575 | int av_read_packet(AVFormatContext *s, AVPacket *pkt); |
fb2758c8 | 576 | int av_read_frame(AVFormatContext *s, AVPacket *pkt); |
3ba1438d | 577 | int av_seek_frame(AVFormatContext *s, int stream_index, int64_t timestamp, int flags); |
fb2758c8 FB |
578 | int av_read_play(AVFormatContext *s); |
579 | int av_read_pause(AVFormatContext *s); | |
de6d9b64 | 580 | void av_close_input_file(AVFormatContext *s); |
b9a281db | 581 | AVStream *av_new_stream(AVFormatContext *s, int id); |
9ee91c2f | 582 | void av_set_pts_info(AVStream *s, int pts_wrap_bits, |
916c80e9 | 583 | int pts_num, int pts_den); |
de6d9b64 | 584 | |
3ba1438d MN |
585 | #define AVSEEK_FLAG_BACKWARD 1 ///< seek backward |
586 | #define AVSEEK_FLAG_BYTE 2 ///< seeking based on position in bytes | |
27a5fe5f | 587 | #define AVSEEK_FLAG_ANY 4 ///< seek to any frame, even non keyframes |
3ba1438d | 588 | |
b754978a | 589 | int av_find_default_stream_index(AVFormatContext *s); |
dc56fc38 | 590 | int av_index_search_timestamp(AVStream *st, int64_t timestamp, int flags); |
3e9245a9 MN |
591 | int av_add_index_entry(AVStream *st, |
592 | int64_t pos, int64_t timestamp, int distance, int flags); | |
3ba1438d | 593 | int av_seek_frame_binary(AVFormatContext *s, int stream_index, int64_t target_ts, int flags); |
b754978a | 594 | |
b9a281db | 595 | /* media file output */ |
290c5fa6 | 596 | int av_set_parameters(AVFormatContext *s, AVFormatParameters *ap); |
b9a281db | 597 | int av_write_header(AVFormatContext *s); |
e928649b | 598 | int av_write_frame(AVFormatContext *s, AVPacket *pkt); |
3c895fc0 | 599 | int av_interleaved_write_frame(AVFormatContext *s, AVPacket *pkt); |
e928649b | 600 | |
b9a281db | 601 | int av_write_trailer(AVFormatContext *s); |
de6d9b64 FB |
602 | |
603 | void dump_format(AVFormatContext *ic, | |
604 | int index, | |
605 | const char *url, | |
606 | int is_output); | |
607 | int parse_image_size(int *width_ptr, int *height_ptr, const char *str); | |
445f1b83 | 608 | int parse_frame_rate(int *frame_rate, int *frame_rate_base, const char *arg); |
0c1a9eda | 609 | int64_t parse_date(const char *datestr, int duration); |
de6d9b64 | 610 | |
0c1a9eda | 611 | int64_t av_gettime(void); |
94988531 | 612 | |
de6d9b64 FB |
613 | /* ffm specific for ffserver */ |
614 | #define FFM_PACKET_SIZE 4096 | |
615 | offset_t ffm_read_write_index(int fd); | |
616 | void ffm_write_write_index(int fd, offset_t pos); | |
617 | void ffm_set_write_index(AVFormatContext *s, offset_t pos, offset_t file_size); | |
618 | ||
619 | int find_info_tag(char *arg, int arg_size, const char *tag1, const char *info); | |
620 | ||
813cae4b FB |
621 | int get_frame_filename(char *buf, int buf_size, |
622 | const char *path, int number); | |
b9a281db | 623 | int filename_number_test(const char *filename); |
96baaa6a | 624 | |
b9a281db FB |
625 | /* grab specific */ |
626 | int video_grab_init(void); | |
627 | int audio_init(void); | |
96baaa6a | 628 | |
86fd51fb FB |
629 | /* DV1394 */ |
630 | int dv1394_init(void); | |
f02be79d | 631 | int dc1394_init(void); |
fb025625 FB |
632 | |
633 | #ifdef HAVE_AV_CONFIG_H | |
f71869a4 FB |
634 | |
635 | #include "os_support.h" | |
636 | ||
fb025625 FB |
637 | int strstart(const char *str, const char *val, const char **ptr); |
638 | int stristart(const char *str, const char *val, const char **ptr); | |
639 | void pstrcpy(char *buf, int buf_size, const char *str); | |
640 | char *pstrcat(char *buf, int buf_size, const char *s); | |
fb025625 | 641 | |
39f472c3 FB |
642 | void __dynarray_add(unsigned long **tab_ptr, int *nb_ptr, unsigned long elem); |
643 | ||
e4e70d2e | 644 | #ifdef __GNUC__ |
39f472c3 FB |
645 | #define dynarray_add(tab, nb_ptr, elem)\ |
646 | do {\ | |
647 | typeof(tab) _tab = (tab);\ | |
648 | typeof(elem) _elem = (elem);\ | |
649 | (void)sizeof(**_tab == _elem); /* check that types are compatible */\ | |
650 | __dynarray_add((unsigned long **)_tab, nb_ptr, (unsigned long)_elem);\ | |
651 | } while(0) | |
e4e70d2e FH |
652 | #else |
653 | #define dynarray_add(tab, nb_ptr, elem)\ | |
654 | do {\ | |
655 | __dynarray_add((unsigned long **)(tab), nb_ptr, (unsigned long)(elem));\ | |
656 | } while(0) | |
657 | #endif | |
39f472c3 | 658 | |
f71869a4 | 659 | time_t mktimegm(struct tm *tm); |
0c9fc6e1 | 660 | struct tm *brktimegm(time_t secs, struct tm *tm); |
f71869a4 FB |
661 | const char *small_strptime(const char *p, const char *fmt, |
662 | struct tm *dt); | |
663 | ||
fb025625 FB |
664 | struct in_addr; |
665 | int resolve_host(struct in_addr *sin_addr, const char *hostname); | |
666 | ||
667 | void url_split(char *proto, int proto_size, | |
6ba5cbc6 | 668 | char *authorization, int authorization_size, |
fb025625 FB |
669 | char *hostname, int hostname_size, |
670 | int *port_ptr, | |
671 | char *path, int path_size, | |
672 | const char *url); | |
673 | ||
a941f391 FB |
674 | int match_ext(const char *filename, const char *extensions); |
675 | ||
fb025625 FB |
676 | #endif /* HAVE_AV_CONFIG_H */ |
677 | ||
02d697aa ZK |
678 | #ifdef __cplusplus |
679 | } | |
680 | #endif | |
681 | ||
fb025625 | 682 | #endif /* AVFORMAT_H */ |