macrofree av_freep()
[libav.git] / libavformat / avformat.h
CommitLineData
fb025625
FB
1#ifndef AVFORMAT_H
2#define AVFORMAT_H
de6d9b64 3
02d697aa
ZK
4#ifdef __cplusplus
5extern "C" {
6#endif
7
6ec87caa 8#define LIBAVFORMAT_BUILD 4611
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 30typedef 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
da24c5e3 45/* initialize optional fields of a packet */
6fa5a56c
FB
46static inline void av_init_packet(AVPacket *pkt)
47{
48 pkt->pts = AV_NOPTS_VALUE;
fb2758c8
FB
49 pkt->dts = AV_NOPTS_VALUE;
50 pkt->duration = 0;
6fa5a56c
FB
51 pkt->flags = 0;
52 pkt->stream_index = 0;
53}
de6d9b64
FB
54
55int av_new_packet(AVPacket *pkt, int size);
fb2758c8 56int av_dup_packet(AVPacket *pkt);
6fa5a56c
FB
57
58/**
59 * Free a packet
60 *
61 * @param pkt packet to free
62 */
63static inline void av_free_packet(AVPacket *pkt)
64{
342474ab
MN
65 if (pkt && pkt->destruct) {
66 pkt->destruct(pkt);
67 }
6fa5a56c 68}
de6d9b64
FB
69
70/*************************************************/
916c80e9
FB
71/* fractional numbers for exact pts handling */
72
73/* the exact value of the fractional number is: 'val + num / den'. num
74 is assumed to be such as 0 <= num < den */
75typedef struct AVFrac {
0c1a9eda 76 int64_t val, num, den;
916c80e9
FB
77} AVFrac;
78
0c1a9eda
ZK
79void av_frac_init(AVFrac *f, int64_t val, int64_t num, int64_t den);
80void av_frac_add(AVFrac *f, int64_t incr);
81void av_frac_set(AVFrac *f, int64_t val);
916c80e9
FB
82
83/*************************************************/
b9a281db 84/* input/output formats */
de6d9b64
FB
85
86struct AVFormatContext;
b9a281db
FB
87
88/* this structure contains the data a format has to probe a file */
89typedef struct AVProbeData {
5c91a675 90 const char *filename;
b9a281db
FB
91 unsigned char *buf;
92 int buf_size;
93} AVProbeData;
94
95#define AVPROBE_SCORE_MAX 100
de6d9b64
FB
96
97typedef struct AVFormatParameters {
98 int frame_rate;
14bea432 99 int frame_rate_base;
de6d9b64
FB
100 int sample_rate;
101 int channels;
102 int width;
103 int height;
4606ac8d 104 enum PixelFormat pix_fmt;
290c5fa6 105 struct AVImageFormat *image_format;
7f172339
FB
106 int channel; /* used to select dv channel */
107 const char *device; /* video4linux, audio or DV device */
e3ee3283 108 const char *standard; /* tv standard, NTSC, PAL, SECAM */
da24c5e3
FB
109 int mpeg2ts_raw:1; /* force raw MPEG2 transport stream output, if possible */
110 int mpeg2ts_compute_pcr:1; /* compute exact PCR for each transport
111 stream packet (only meaningful if
112 mpeg2ts_raw is TRUE */
fb2758c8
FB
113 int initial_pause:1; /* do not begin to play the stream
114 immediately (RTSP only) */
de6d9b64
FB
115} AVFormatParameters;
116
b9a281db
FB
117#define AVFMT_NOFILE 0x0001 /* no file should be opened */
118#define AVFMT_NEEDNUMBER 0x0002 /* needs '%d' in filename */
b9a281db 119#define AVFMT_SHOW_IDS 0x0008 /* show format stream IDs numbers */
fb025625
FB
120#define AVFMT_RAWPICTURE 0x0020 /* format wants AVPicture structure for
121 raw picture data */
b9a281db
FB
122
123typedef struct AVOutputFormat {
de6d9b64
FB
124 const char *name;
125 const char *long_name;
126 const char *mime_type;
127 const char *extensions; /* comma separated extensions */
b9a281db
FB
128 /* size of private data so that it can be allocated in the wrapper */
129 int priv_data_size;
de6d9b64
FB
130 /* output support */
131 enum CodecID audio_codec; /* default audio codec */
132 enum CodecID video_codec; /* default video codec */
133 int (*write_header)(struct AVFormatContext *);
134 int (*write_packet)(struct AVFormatContext *,
135 int stream_index,
49057904 136 const uint8_t *buf, int size, int64_t pts);
de6d9b64 137 int (*write_trailer)(struct AVFormatContext *);
b9a281db
FB
138 /* can use flags: AVFMT_NOFILE, AVFMT_NEEDNUMBER */
139 int flags;
290c5fa6
FB
140 /* currently only used to set pixel format if not YUV420P */
141 int (*set_parameters)(struct AVFormatContext *, AVFormatParameters *);
b9a281db
FB
142 /* private fields */
143 struct AVOutputFormat *next;
144} AVOutputFormat;
de6d9b64 145
b9a281db
FB
146typedef struct AVInputFormat {
147 const char *name;
148 const char *long_name;
149 /* size of private data so that it can be allocated in the wrapper */
150 int priv_data_size;
151 /* tell if a given file has a chance of being parsing by this format */
152 int (*read_probe)(AVProbeData *);
153 /* read the format header and initialize the AVFormatContext
de6d9b64 154 structure. Return 0 if OK. 'ap' if non NULL contains
b9a281db
FB
155 additionnal paramters. Only used in raw format right
156 now. 'av_new_stream' should be called to create new streams. */
de6d9b64
FB
157 int (*read_header)(struct AVFormatContext *,
158 AVFormatParameters *ap);
b9a281db
FB
159 /* read one packet and put it in 'pkt'. pts and flags are also
160 set. 'av_new_stream' can be called only if the flag
da24c5e3 161 AVFMTCTX_NOHEADER is used. */
de6d9b64
FB
162 int (*read_packet)(struct AVFormatContext *, AVPacket *pkt);
163 /* close the stream. The AVFormatContext and AVStreams are not
164 freed by this function */
165 int (*read_close)(struct AVFormatContext *);
fb2758c8
FB
166 /* seek at or before a given timestamp (given in AV_TIME_BASE
167 units) relative to the frames in stream component stream_index */
168 int (*read_seek)(struct AVFormatContext *,
169 int stream_index, int64_t timestamp);
da24c5e3 170 /* can use flags: AVFMT_NOFILE, AVFMT_NEEDNUMBER */
de6d9b64 171 int flags;
b9a281db
FB
172 /* if extensions are defined, then no probe is done. You should
173 usually not use extension format guessing because it is not
174 reliable enough */
175 const char *extensions;
176 /* general purpose read only value that the format can use */
177 int value;
fb2758c8
FB
178
179 /* start/resume playing - only meaningful if using a network based format
180 (RTSP) */
181 int (*read_play)(struct AVFormatContext *);
182
183 /* pause playing - only meaningful if using a network based format
184 (RTSP) */
185 int (*read_pause)(struct AVFormatContext *);
186
b9a281db
FB
187 /* private fields */
188 struct AVInputFormat *next;
189} AVInputFormat;
de6d9b64 190
fb2758c8
FB
191typedef struct AVIndexEntry {
192 int64_t pos;
193 int64_t timestamp;
194#define AVINDEX_KEYFRAME 0x0001
b754978a 195/* the following 2 flags indicate that the next/prev keyframe is known, and scaning for it isnt needed */
fb2758c8 196 int flags;
3e9245a9 197 int min_distance; /* min distance between this and the previous keyframe, used to avoid unneeded searching */
fb2758c8
FB
198} AVIndexEntry;
199
de6d9b64 200typedef struct AVStream {
b9a281db
FB
201 int index; /* stream index in AVFormatContext */
202 int id; /* format specific stream id */
de6d9b64 203 AVCodecContext codec; /* codec context */
76c0441b 204 int r_frame_rate; /* real frame rate of the stream */
14bea432 205 int r_frame_rate_base;/* real frame rate base of the stream */
de6d9b64 206 void *priv_data;
b9a281db 207 /* internal data used in av_find_stream_info() */
fb2758c8
FB
208 int64_t codec_info_duration;
209 int codec_info_nb_frames;
da24c5e3 210 /* encoding: PTS generation when outputing stream */
1e51d801 211 AVFrac pts;
a48b7a6b
FB
212 /* ffmpeg.c private use */
213 int stream_copy; /* if TRUE, just copy stream */
1e491e29
MN
214 /* quality, as it has been removed from AVCodecContext and put in AVVideoFrame
215 * MN:dunno if thats the right place, for it */
216 float quality;
ee404803
FB
217 /* decoding: position of the first frame of the component, in
218 AV_TIME_BASE fractional seconds. */
219 int64_t start_time;
220 /* decoding: duration of the stream, in AV_TIME_BASE fractional
221 seconds. */
222 int64_t duration;
fb2758c8
FB
223
224 /* av_read_frame() support */
225 int need_parsing;
226 struct AVCodecParserContext *parser;
6ec87caa 227
fb2758c8
FB
228 int64_t cur_dts;
229 int last_IP_duration;
230 /* av_seek_frame() support */
231 AVIndexEntry *index_entries; /* only used if the format does not
232 support seeking natively */
233 int nb_index_entries;
234 int index_entries_allocated_size;
de6d9b64
FB
235} AVStream;
236
da24c5e3
FB
237#define AVFMTCTX_NOHEADER 0x0001 /* signal that no header is present
238 (streams are added dynamically) */
239
de6d9b64
FB
240#define MAX_STREAMS 20
241
242/* format I/O context */
243typedef struct AVFormatContext {
b9a281db
FB
244 /* can only be iformat or oformat, not both at the same time */
245 struct AVInputFormat *iformat;
246 struct AVOutputFormat *oformat;
de6d9b64
FB
247 void *priv_data;
248 ByteIOContext pb;
249 int nb_streams;
250 AVStream *streams[MAX_STREAMS];
251 char filename[1024]; /* input or output filename */
252 /* stream info */
253 char title[512];
254 char author[512];
255 char copyright[512];
256 char comment[512];
6a58e151
FB
257 char album[512];
258 int year; /* ID3 year, 0 if none */
259 int track; /* track number, 0 if none */
260 char genre[32]; /* ID3 genre */
261
da24c5e3 262 int ctx_flags; /* format specific flags, see AVFMTCTX_xx */
916c80e9
FB
263 /* private data for pts handling (do not modify directly) */
264 int pts_wrap_bits; /* number of bits in pts (used for wrapping control) */
265 int pts_num, pts_den; /* value to convert to seconds */
de6d9b64
FB
266 /* This buffer is only needed when packets were already buffered but
267 not decoded, for example to get the codec parameters in mpeg
268 streams */
ee404803
FB
269 struct AVPacketList *packet_buffer;
270
271 /* decoding: position of the first frame of the component, in
272 AV_TIME_BASE fractional seconds. NEVER set this value directly:
273 it is deduced from the AVStream values. */
274 int64_t start_time;
275 /* decoding: duration of the stream, in AV_TIME_BASE fractional
276 seconds. NEVER set this value directly: it is deduced from the
277 AVStream values. */
278 int64_t duration;
279 /* decoding: total file size. 0 if unknown */
280 int64_t file_size;
281 /* decoding: total stream bitrate in bit/s, 0 if not
282 available. Never set it directly if the file_size and the
283 duration are known as ffmpeg can compute it automatically. */
284 int bit_rate;
fb2758c8
FB
285
286 /* av_read_frame() support */
287 AVStream *cur_st;
288 const uint8_t *cur_ptr;
289 int cur_len;
290 AVPacket cur_pkt;
291
292 /* the following are used for pts/dts unit conversion */
293 int64_t last_pkt_stream_pts;
294 int64_t last_pkt_stream_dts;
295 int64_t last_pkt_pts;
296 int64_t last_pkt_dts;
297 int last_pkt_pts_frac;
298 int last_pkt_dts_frac;
299
300 /* av_seek_frame() support */
301 int64_t data_offset; /* offset of the first packet */
302 int index_built;
de6d9b64
FB
303} AVFormatContext;
304
305typedef struct AVPacketList {
306 AVPacket pkt;
307 struct AVPacketList *next;
308} AVPacketList;
309
b9a281db
FB
310extern AVInputFormat *first_iformat;
311extern AVOutputFormat *first_oformat;
de6d9b64 312
290c5fa6
FB
313/* still image support */
314struct AVInputImageContext;
315typedef struct AVInputImageContext AVInputImageContext;
316
317typedef struct AVImageInfo {
318 enum PixelFormat pix_fmt; /* requested pixel format */
319 int width; /* requested width */
320 int height; /* requested height */
7e2e1abf 321 int interleaved; /* image is interleaved (e.g. interleaved GIF) */
290c5fa6
FB
322 AVPicture pict; /* returned allocated image */
323} AVImageInfo;
324
3b1a27e0 325/* AVImageFormat.flags field constants */
7e2e1abf 326#define AVIMAGE_INTERLEAVED 0x0001 /* image format support interleaved output */
3b1a27e0 327
290c5fa6
FB
328typedef struct AVImageFormat {
329 const char *name;
330 const char *extensions;
331 /* tell if a given file has a chance of being parsing by this format */
332 int (*img_probe)(AVProbeData *);
333 /* read a whole image. 'alloc_cb' is called when the image size is
334 known so that the caller can allocate the image. If 'allo_cb'
335 returns non zero, then the parsing is aborted. Return '0' if
336 OK. */
337 int (*img_read)(ByteIOContext *,
338 int (*alloc_cb)(void *, AVImageInfo *info), void *);
339 /* write the image */
340 int supported_pixel_formats; /* mask of supported formats for output */
341 int (*img_write)(ByteIOContext *, AVImageInfo *);
3b1a27e0 342 int flags;
290c5fa6
FB
343 struct AVImageFormat *next;
344} AVImageFormat;
345
346void av_register_image_format(AVImageFormat *img_fmt);
347AVImageFormat *av_probe_image_format(AVProbeData *pd);
348AVImageFormat *guess_image_format(const char *filename);
349int av_read_image(ByteIOContext *pb, const char *filename,
350 AVImageFormat *fmt,
351 int (*alloc_cb)(void *, AVImageInfo *info), void *opaque);
352int av_write_image(ByteIOContext *pb, AVImageFormat *fmt, AVImageInfo *img);
353
354extern AVImageFormat *first_image_format;
355
356extern AVImageFormat pnm_image_format;
357extern AVImageFormat pbm_image_format;
358extern AVImageFormat pgm_image_format;
359extern AVImageFormat ppm_image_format;
8975ba81 360extern AVImageFormat pam_image_format;
290c5fa6
FB
361extern AVImageFormat pgmyuv_image_format;
362extern AVImageFormat yuv_image_format;
3a13f6bd 363#ifdef CONFIG_ZLIB
0e04e4e9 364extern AVImageFormat png_image_format;
3a13f6bd 365#endif
0250738f 366extern AVImageFormat jpeg_image_format;
cdc90af0 367extern AVImageFormat gif_image_format;
290c5fa6 368
b9a281db
FB
369/* XXX: use automatic init with either ELF sections or C file parser */
370/* modules */
de6d9b64 371
b9a281db 372/* mpeg.c */
ee404803 373extern AVInputFormat mpegps_demux;
b9a281db
FB
374int mpegps_init(void);
375
376/* mpegts.c */
377extern AVInputFormat mpegts_demux;
378int mpegts_init(void);
de6d9b64 379
b9a281db
FB
380/* rm.c */
381int rm_init(void);
382
383/* crc.c */
384int crc_init(void);
385
386/* img.c */
387int img_init(void);
388
389/* asf.c */
390int asf_init(void);
de6d9b64
FB
391
392/* avienc.c */
b9a281db 393int avienc_init(void);
de6d9b64 394
b9a281db
FB
395/* avidec.c */
396int avidec_init(void);
6cea494e 397
b9a281db
FB
398/* swf.c */
399int swf_init(void);
400
401/* mov.c */
402int mov_init(void);
de6d9b64 403
1cb5f7fd
MN
404/* movenc.c */
405int movenc_init(void);
406
d4f5d74a
GM
407/* flvenc.c */
408int flvenc_init(void);
409
410/* flvdec.c */
411int flvdec_init(void);
412
b9a281db
FB
413/* jpeg.c */
414int jpeg_init(void);
de6d9b64 415
6cea494e 416/* gif.c */
b9a281db
FB
417int gif_init(void);
418
6cea494e 419/* au.c */
b9a281db 420int au_init(void);
6cea494e 421
bc634f6f
ZK
422/* amr.c */
423int amr_init(void);
424
de6d9b64 425/* wav.c */
b9a281db 426int wav_init(void);
de6d9b64
FB
427
428/* raw.c */
fb2758c8
FB
429int pcm_read_seek(AVFormatContext *s,
430 int stream_index, int64_t timestamp);
b9a281db 431int raw_init(void);
de6d9b64 432
6a58e151
FB
433/* mp3.c */
434int mp3_init(void);
435
2864dfd5
RFI
436/* yuv4mpeg.c */
437int yuv4mpeg_init(void);
438
81e0d0b4
MH
439/* ogg.c */
440int ogg_init(void);
441
f20dca40
FB
442/* dv.c */
443int dv_init(void);
444
de6d9b64 445/* ffm.c */
b9a281db 446int ffm_init(void);
de6d9b64 447
fb025625
FB
448/* rtsp.c */
449extern AVInputFormat redir_demux;
450int redir_open(AVFormatContext **ic_ptr, ByteIOContext *f);
451
3c96b4ef
MM
452/* 4xm.c */
453int fourxm_init(void);
454
3f16d933
MM
455/* psxstr.c */
456int str_init(void);
457
3ef8be2b
MM
458/* idroq.c */
459int roq_init(void);
460
461/* ipmovie.c */
462int ipmovie_init(void);
463
3aa180b8
AB
464/* nut.c */
465int nut_init(void);
466
493645eb
MM
467/* wc3movie.c */
468int wc3_init(void);
469
2fdf638b
MM
470/* westwood.c */
471int westwood_init(void);
472
473/* segafilm.c */
474int film_init(void);
475
4120a53a
MM
476/* idcin.c */
477int idcin_init(void);
478
42cad81a
MM
479/* flic.c */
480int flic_init(void);
481
a7eb3c8d
MM
482/* sierravmd.c */
483int vmd_init(void);
484
fb025625
FB
485#include "rtp.h"
486
487#include "rtsp.h"
488
290c5fa6
FB
489/* yuv4mpeg.c */
490extern AVOutputFormat yuv4mpegpipe_oformat;
491
b9a281db 492/* utils.c */
b9a281db
FB
493void av_register_input_format(AVInputFormat *format);
494void av_register_output_format(AVOutputFormat *format);
36ada60c
PG
495AVOutputFormat *guess_stream_format(const char *short_name,
496 const char *filename, const char *mime_type);
b9a281db
FB
497AVOutputFormat *guess_format(const char *short_name,
498 const char *filename, const char *mime_type);
de6d9b64 499
fb2758c8
FB
500void av_hex_dump(FILE *f, uint8_t *buf, int size);
501void av_pkt_dump(FILE *f, AVPacket *pkt, int dump_payload);
de6d9b64 502
94988531 503void av_register_all(void);
de6d9b64
FB
504
505typedef struct FifoBuffer {
0c1a9eda
ZK
506 uint8_t *buffer;
507 uint8_t *rptr, *wptr, *end;
de6d9b64
FB
508} FifoBuffer;
509
510int fifo_init(FifoBuffer *f, int size);
511void fifo_free(FifoBuffer *f);
0c1a9eda
ZK
512int fifo_size(FifoBuffer *f, uint8_t *rptr);
513int fifo_read(FifoBuffer *f, uint8_t *buf, int buf_size, uint8_t **rptr_ptr);
514void fifo_write(FifoBuffer *f, uint8_t *buf, int size, uint8_t **wptr_ptr);
de6d9b64 515
b9a281db
FB
516/* media file input */
517AVInputFormat *av_find_input_format(const char *short_name);
94988531 518AVInputFormat *av_probe_input_format(AVProbeData *pd, int is_opened);
da24c5e3
FB
519int av_open_input_stream(AVFormatContext **ic_ptr,
520 ByteIOContext *pb, const char *filename,
521 AVInputFormat *fmt, AVFormatParameters *ap);
b9a281db
FB
522int av_open_input_file(AVFormatContext **ic_ptr, const char *filename,
523 AVInputFormat *fmt,
524 int buf_size,
525 AVFormatParameters *ap);
526
527#define AVERROR_UNKNOWN (-1) /* unknown error */
528#define AVERROR_IO (-2) /* i/o error */
529#define AVERROR_NUMEXPECTED (-3) /* number syntax expected in filename */
530#define AVERROR_INVALIDDATA (-4) /* invalid data found */
531#define AVERROR_NOMEM (-5) /* not enough memory */
532#define AVERROR_NOFMT (-6) /* unknown format */
fb2758c8
FB
533#define AVERROR_NOTSUPP (-7) /* operation not supported */
534
b9a281db 535int av_find_stream_info(AVFormatContext *ic);
de6d9b64 536int av_read_packet(AVFormatContext *s, AVPacket *pkt);
fb2758c8
FB
537int av_read_frame(AVFormatContext *s, AVPacket *pkt);
538int av_seek_frame(AVFormatContext *s, int stream_index, int64_t timestamp);
539int av_read_play(AVFormatContext *s);
540int av_read_pause(AVFormatContext *s);
de6d9b64 541void av_close_input_file(AVFormatContext *s);
b9a281db 542AVStream *av_new_stream(AVFormatContext *s, int id);
916c80e9
FB
543void av_set_pts_info(AVFormatContext *s, int pts_wrap_bits,
544 int pts_num, int pts_den);
de6d9b64 545
b754978a
MN
546int av_find_default_stream_index(AVFormatContext *s);
547int av_index_search_timestamp(AVStream *st, int timestamp);
3e9245a9
MN
548int av_add_index_entry(AVStream *st,
549 int64_t pos, int64_t timestamp, int distance, int flags);
b754978a 550
b9a281db 551/* media file output */
290c5fa6 552int av_set_parameters(AVFormatContext *s, AVFormatParameters *ap);
b9a281db 553int av_write_header(AVFormatContext *s);
1e51d801
FB
554int av_write_frame(AVFormatContext *s, int stream_index, const uint8_t *buf,
555 int size);
b9a281db 556int av_write_trailer(AVFormatContext *s);
de6d9b64
FB
557
558void dump_format(AVFormatContext *ic,
559 int index,
560 const char *url,
561 int is_output);
562int parse_image_size(int *width_ptr, int *height_ptr, const char *str);
445f1b83 563int parse_frame_rate(int *frame_rate, int *frame_rate_base, const char *arg);
0c1a9eda 564int64_t parse_date(const char *datestr, int duration);
de6d9b64 565
0c1a9eda 566int64_t av_gettime(void);
94988531 567
de6d9b64
FB
568/* ffm specific for ffserver */
569#define FFM_PACKET_SIZE 4096
570offset_t ffm_read_write_index(int fd);
571void ffm_write_write_index(int fd, offset_t pos);
572void ffm_set_write_index(AVFormatContext *s, offset_t pos, offset_t file_size);
573
574int find_info_tag(char *arg, int arg_size, const char *tag1, const char *info);
575
813cae4b
FB
576int get_frame_filename(char *buf, int buf_size,
577 const char *path, int number);
b9a281db 578int filename_number_test(const char *filename);
96baaa6a 579
b9a281db
FB
580/* grab specific */
581int video_grab_init(void);
582int audio_init(void);
96baaa6a 583
86fd51fb
FB
584/* DV1394 */
585int dv1394_init(void);
fb025625
FB
586
587#ifdef HAVE_AV_CONFIG_H
f71869a4
FB
588
589#include "os_support.h"
590
fb025625
FB
591int strstart(const char *str, const char *val, const char **ptr);
592int stristart(const char *str, const char *val, const char **ptr);
593void pstrcpy(char *buf, int buf_size, const char *str);
594char *pstrcat(char *buf, int buf_size, const char *s);
fb025625 595
39f472c3
FB
596void __dynarray_add(unsigned long **tab_ptr, int *nb_ptr, unsigned long elem);
597
e4e70d2e 598#ifdef __GNUC__
39f472c3
FB
599#define dynarray_add(tab, nb_ptr, elem)\
600do {\
601 typeof(tab) _tab = (tab);\
602 typeof(elem) _elem = (elem);\
603 (void)sizeof(**_tab == _elem); /* check that types are compatible */\
604 __dynarray_add((unsigned long **)_tab, nb_ptr, (unsigned long)_elem);\
605} while(0)
e4e70d2e
FH
606#else
607#define dynarray_add(tab, nb_ptr, elem)\
608do {\
609 __dynarray_add((unsigned long **)(tab), nb_ptr, (unsigned long)(elem));\
610} while(0)
611#endif
39f472c3 612
f71869a4
FB
613time_t mktimegm(struct tm *tm);
614const char *small_strptime(const char *p, const char *fmt,
615 struct tm *dt);
616
fb025625
FB
617struct in_addr;
618int resolve_host(struct in_addr *sin_addr, const char *hostname);
619
620void url_split(char *proto, int proto_size,
621 char *hostname, int hostname_size,
622 int *port_ptr,
623 char *path, int path_size,
624 const char *url);
625
a941f391
FB
626int match_ext(const char *filename, const char *extensions);
627
fb025625
FB
628#endif /* HAVE_AV_CONFIG_H */
629
02d697aa
ZK
630#ifdef __cplusplus
631}
632#endif
633
fb025625 634#endif /* AVFORMAT_H */