set keyframe flag at a more central place instead of in every demuxer for containers...
[libav.git] / libavformat / avformat.h
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1#ifndef AVFORMAT_H
2#define AVFORMAT_H
de6d9b64 3
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4#ifdef __cplusplus
5extern "C" {
6#endif
7
17c88cb0 8#define LIBAVFORMAT_BUILD 4620
8026c3b5 9
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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 */
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16#include "avcodec.h"
17
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18#include "avio.h"
19
20/* packet functions */
21
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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 {
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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;
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36 int size;
37 int stream_index;
38 int flags;
fb2758c8 39 int duration; /* presentation duration (0 if not available) */
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40 void (*destruct)(struct AVPacket *);
41 void *priv;
de6d9b64 42} AVPacket;
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43#define PKT_FLAG_KEY 0x0001
44
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45void av_destruct_packet_nofree(AVPacket *pkt);
46
da24c5e3 47/* initialize optional fields of a packet */
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48static inline void av_init_packet(AVPacket *pkt)
49{
50 pkt->pts = AV_NOPTS_VALUE;
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51 pkt->dts = AV_NOPTS_VALUE;
52 pkt->duration = 0;
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53 pkt->flags = 0;
54 pkt->stream_index = 0;
63dd1377 55 pkt->destruct= av_destruct_packet_nofree;
6fa5a56c 56}
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57
58int av_new_packet(AVPacket *pkt, int size);
fb2758c8 59int av_dup_packet(AVPacket *pkt);
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60
61/**
62 * Free a packet
63 *
64 * @param pkt packet to free
65 */
66static inline void av_free_packet(AVPacket *pkt)
67{
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68 if (pkt && pkt->destruct) {
69 pkt->destruct(pkt);
70 }
6fa5a56c 71}
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72
73/*************************************************/
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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 */
78typedef struct AVFrac {
0c1a9eda 79 int64_t val, num, den;
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80} AVFrac;
81
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82void av_frac_init(AVFrac *f, int64_t val, int64_t num, int64_t den);
83void av_frac_add(AVFrac *f, int64_t incr);
84void av_frac_set(AVFrac *f, int64_t val);
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85
86/*************************************************/
b9a281db 87/* input/output formats */
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88
89struct AVFormatContext;
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90
91/* this structure contains the data a format has to probe a file */
92typedef struct AVProbeData {
5c91a675 93 const char *filename;
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94 unsigned char *buf;
95 int buf_size;
96} AVProbeData;
97
98#define AVPROBE_SCORE_MAX 100
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99
100typedef struct AVFormatParameters {
101 int frame_rate;
14bea432 102 int frame_rate_base;
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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;
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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 */
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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 */
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116 int initial_pause:1; /* do not begin to play the stream
117 immediately (RTSP only) */
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118} AVFormatParameters;
119
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120#define AVFMT_NOFILE 0x0001 /* no file should be opened */
121#define AVFMT_NEEDNUMBER 0x0002 /* needs '%d' in filename */
b9a281db 122#define AVFMT_SHOW_IDS 0x0008 /* show format stream IDs numbers */
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123#define AVFMT_RAWPICTURE 0x0020 /* format wants AVPicture structure for
124 raw picture data */
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125
126typedef struct AVOutputFormat {
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127 const char *name;
128 const char *long_name;
129 const char *mime_type;
130 const char *extensions; /* comma separated extensions */
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131 /* size of private data so that it can be allocated in the wrapper */
132 int priv_data_size;
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133 /* output support */
134 enum CodecID audio_codec; /* default audio codec */
135 enum CodecID video_codec; /* default video codec */
136 int (*write_header)(struct AVFormatContext *);
e928649b 137 int (*write_packet)(struct AVFormatContext *, AVPacket *pkt);
de6d9b64 138 int (*write_trailer)(struct AVFormatContext *);
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139 /* can use flags: AVFMT_NOFILE, AVFMT_NEEDNUMBER */
140 int flags;
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141 /* currently only used to set pixel format if not YUV420P */
142 int (*set_parameters)(struct AVFormatContext *, AVFormatParameters *);
fe2d6fe2 143 int (*interleave_packet)(struct AVFormatContext *, AVPacket *out, AVPacket *in, int flush);
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144 /* private fields */
145 struct AVOutputFormat *next;
146} AVOutputFormat;
de6d9b64 147
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148typedef struct AVInputFormat {
149 const char *name;
150 const char *long_name;
151 /* size of private data so that it can be allocated in the wrapper */
152 int priv_data_size;
153 /* tell if a given file has a chance of being parsing by this format */
154 int (*read_probe)(AVProbeData *);
155 /* read the format header and initialize the AVFormatContext
de6d9b64 156 structure. Return 0 if OK. 'ap' if non NULL contains
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157 additionnal paramters. Only used in raw format right
158 now. 'av_new_stream' should be called to create new streams. */
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159 int (*read_header)(struct AVFormatContext *,
160 AVFormatParameters *ap);
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161 /* read one packet and put it in 'pkt'. pts and flags are also
162 set. 'av_new_stream' can be called only if the flag
da24c5e3 163 AVFMTCTX_NOHEADER is used. */
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164 int (*read_packet)(struct AVFormatContext *, AVPacket *pkt);
165 /* close the stream. The AVFormatContext and AVStreams are not
166 freed by this function */
167 int (*read_close)(struct AVFormatContext *);
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168 /**
169 * seek to a given timestamp relative to the frames in
170 * stream component stream_index
171 * @param stream_index must not be -1
172 * @param flags selects which direction should be preferred if no exact
173 * match is available
174 */
fb2758c8 175 int (*read_seek)(struct AVFormatContext *,
3ba1438d 176 int stream_index, int64_t timestamp, int flags);
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177 /**
178 * gets the next timestamp in AV_TIME_BASE units.
179 */
180 int64_t (*read_timestamp)(struct AVFormatContext *s, int stream_index,
181 int64_t *pos, int64_t pos_limit);
da24c5e3 182 /* can use flags: AVFMT_NOFILE, AVFMT_NEEDNUMBER */
de6d9b64 183 int flags;
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184 /* if extensions are defined, then no probe is done. You should
185 usually not use extension format guessing because it is not
186 reliable enough */
187 const char *extensions;
188 /* general purpose read only value that the format can use */
189 int value;
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190
191 /* start/resume playing - only meaningful if using a network based format
192 (RTSP) */
193 int (*read_play)(struct AVFormatContext *);
194
195 /* pause playing - only meaningful if using a network based format
196 (RTSP) */
197 int (*read_pause)(struct AVFormatContext *);
198
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199 /* private fields */
200 struct AVInputFormat *next;
201} AVInputFormat;
de6d9b64 202
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203typedef struct AVIndexEntry {
204 int64_t pos;
205 int64_t timestamp;
206#define AVINDEX_KEYFRAME 0x0001
b754978a 207/* the following 2 flags indicate that the next/prev keyframe is known, and scaning for it isnt needed */
fb2758c8 208 int flags;
3e9245a9 209 int min_distance; /* min distance between this and the previous keyframe, used to avoid unneeded searching */
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210} AVIndexEntry;
211
de6d9b64 212typedef struct AVStream {
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213 int index; /* stream index in AVFormatContext */
214 int id; /* format specific stream id */
de6d9b64 215 AVCodecContext codec; /* codec context */
76c0441b 216 int r_frame_rate; /* real frame rate of the stream */
14bea432 217 int r_frame_rate_base;/* real frame rate base of the stream */
de6d9b64 218 void *priv_data;
b9a281db 219 /* internal data used in av_find_stream_info() */
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220 int64_t codec_info_duration;
221 int codec_info_nb_frames;
da24c5e3 222 /* encoding: PTS generation when outputing stream */
1e51d801 223 AVFrac pts;
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224 AVRational time_base;
225 int pts_wrap_bits; /* number of bits in pts (used for wrapping control) */
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226 /* ffmpeg.c private use */
227 int stream_copy; /* if TRUE, just copy stream */
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228 /* quality, as it has been removed from AVCodecContext and put in AVVideoFrame
229 * MN:dunno if thats the right place, for it */
230 float quality;
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231 /* decoding: position of the first frame of the component, in
232 AV_TIME_BASE fractional seconds. */
233 int64_t start_time;
234 /* decoding: duration of the stream, in AV_TIME_BASE fractional
235 seconds. */
236 int64_t duration;
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237
238 /* av_read_frame() support */
239 int need_parsing;
240 struct AVCodecParserContext *parser;
6ec87caa 241
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242 int64_t cur_dts;
243 int last_IP_duration;
77405fc8 244 int64_t last_IP_pts;
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245 /* av_seek_frame() support */
246 AVIndexEntry *index_entries; /* only used if the format does not
247 support seeking natively */
248 int nb_index_entries;
249 int index_entries_allocated_size;
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250} AVStream;
251
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252#define AVFMTCTX_NOHEADER 0x0001 /* signal that no header is present
253 (streams are added dynamically) */
254
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255#define MAX_STREAMS 20
256
257/* format I/O context */
258typedef struct AVFormatContext {
7fea94ce 259 const AVClass *av_class; /* set by av_alloc_format_context */
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260 /* can only be iformat or oformat, not both at the same time */
261 struct AVInputFormat *iformat;
262 struct AVOutputFormat *oformat;
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263 void *priv_data;
264 ByteIOContext pb;
265 int nb_streams;
266 AVStream *streams[MAX_STREAMS];
267 char filename[1024]; /* input or output filename */
268 /* stream info */
4568325a 269 int64_t timestamp;
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270 char title[512];
271 char author[512];
272 char copyright[512];
273 char comment[512];
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274 char album[512];
275 int year; /* ID3 year, 0 if none */
276 int track; /* track number, 0 if none */
277 char genre[32]; /* ID3 genre */
278
da24c5e3 279 int ctx_flags; /* format specific flags, see AVFMTCTX_xx */
916c80e9 280 /* private data for pts handling (do not modify directly) */
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281 /* This buffer is only needed when packets were already buffered but
282 not decoded, for example to get the codec parameters in mpeg
283 streams */
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284 struct AVPacketList *packet_buffer;
285
286 /* decoding: position of the first frame of the component, in
287 AV_TIME_BASE fractional seconds. NEVER set this value directly:
288 it is deduced from the AVStream values. */
289 int64_t start_time;
290 /* decoding: duration of the stream, in AV_TIME_BASE fractional
291 seconds. NEVER set this value directly: it is deduced from the
292 AVStream values. */
293 int64_t duration;
294 /* decoding: total file size. 0 if unknown */
295 int64_t file_size;
296 /* decoding: total stream bitrate in bit/s, 0 if not
297 available. Never set it directly if the file_size and the
298 duration are known as ffmpeg can compute it automatically. */
299 int bit_rate;
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300
301 /* av_read_frame() support */
302 AVStream *cur_st;
303 const uint8_t *cur_ptr;
304 int cur_len;
305 AVPacket cur_pkt;
306
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307 /* av_seek_frame() support */
308 int64_t data_offset; /* offset of the first packet */
309 int index_built;
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310
311 int mux_rate;
312 int packet_size;
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313 int preload;
314 int max_delay;
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315} AVFormatContext;
316
317typedef struct AVPacketList {
318 AVPacket pkt;
319 struct AVPacketList *next;
320} AVPacketList;
321
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322extern AVInputFormat *first_iformat;
323extern AVOutputFormat *first_oformat;
de6d9b64 324
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325/* still image support */
326struct AVInputImageContext;
327typedef struct AVInputImageContext AVInputImageContext;
328
329typedef struct AVImageInfo {
330 enum PixelFormat pix_fmt; /* requested pixel format */
331 int width; /* requested width */
332 int height; /* requested height */
7e2e1abf 333 int interleaved; /* image is interleaved (e.g. interleaved GIF) */
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334 AVPicture pict; /* returned allocated image */
335} AVImageInfo;
336
3b1a27e0 337/* AVImageFormat.flags field constants */
7e2e1abf 338#define AVIMAGE_INTERLEAVED 0x0001 /* image format support interleaved output */
3b1a27e0 339
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340typedef struct AVImageFormat {
341 const char *name;
342 const char *extensions;
343 /* tell if a given file has a chance of being parsing by this format */
344 int (*img_probe)(AVProbeData *);
345 /* read a whole image. 'alloc_cb' is called when the image size is
346 known so that the caller can allocate the image. If 'allo_cb'
347 returns non zero, then the parsing is aborted. Return '0' if
348 OK. */
349 int (*img_read)(ByteIOContext *,
350 int (*alloc_cb)(void *, AVImageInfo *info), void *);
351 /* write the image */
352 int supported_pixel_formats; /* mask of supported formats for output */
353 int (*img_write)(ByteIOContext *, AVImageInfo *);
3b1a27e0 354 int flags;
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355 struct AVImageFormat *next;
356} AVImageFormat;
357
358void av_register_image_format(AVImageFormat *img_fmt);
359AVImageFormat *av_probe_image_format(AVProbeData *pd);
360AVImageFormat *guess_image_format(const char *filename);
361int av_read_image(ByteIOContext *pb, const char *filename,
362 AVImageFormat *fmt,
363 int (*alloc_cb)(void *, AVImageInfo *info), void *opaque);
364int av_write_image(ByteIOContext *pb, AVImageFormat *fmt, AVImageInfo *img);
365
366extern AVImageFormat *first_image_format;
367
368extern AVImageFormat pnm_image_format;
369extern AVImageFormat pbm_image_format;
370extern AVImageFormat pgm_image_format;
371extern AVImageFormat ppm_image_format;
8975ba81 372extern AVImageFormat pam_image_format;
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373extern AVImageFormat pgmyuv_image_format;
374extern AVImageFormat yuv_image_format;
3a13f6bd 375#ifdef CONFIG_ZLIB
0e04e4e9 376extern AVImageFormat png_image_format;
3a13f6bd 377#endif
0250738f 378extern AVImageFormat jpeg_image_format;
cdc90af0 379extern AVImageFormat gif_image_format;
6a91ec51 380extern AVImageFormat sgi_image_format;
290c5fa6 381
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382/* XXX: use automatic init with either ELF sections or C file parser */
383/* modules */
de6d9b64 384
b9a281db 385/* mpeg.c */
ee404803 386extern AVInputFormat mpegps_demux;
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387int mpegps_init(void);
388
389/* mpegts.c */
390extern AVInputFormat mpegts_demux;
391int mpegts_init(void);
de6d9b64 392
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393/* rm.c */
394int rm_init(void);
395
396/* crc.c */
397int crc_init(void);
398
399/* img.c */
400int img_init(void);
401
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402/* img2.c */
403int img2_init(void);
404
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405/* asf.c */
406int asf_init(void);
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407
408/* avienc.c */
b9a281db 409int avienc_init(void);
de6d9b64 410
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411/* avidec.c */
412int avidec_init(void);
6cea494e 413
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414/* swf.c */
415int swf_init(void);
416
417/* mov.c */
418int mov_init(void);
de6d9b64 419
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420/* movenc.c */
421int movenc_init(void);
422
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423/* flvenc.c */
424int flvenc_init(void);
425
426/* flvdec.c */
427int flvdec_init(void);
428
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429/* jpeg.c */
430int jpeg_init(void);
de6d9b64 431
6cea494e 432/* gif.c */
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433int gif_init(void);
434
6cea494e 435/* au.c */
b9a281db 436int au_init(void);
6cea494e 437
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438/* amr.c */
439int amr_init(void);
440
de6d9b64 441/* wav.c */
c3775e54 442int ff_wav_init(void);
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443
444/* raw.c */
fb2758c8 445int pcm_read_seek(AVFormatContext *s,
7b3c1382 446 int stream_index, int64_t timestamp, int flags);
b9a281db 447int raw_init(void);
de6d9b64 448
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449/* mp3.c */
450int mp3_init(void);
451
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452/* yuv4mpeg.c */
453int yuv4mpeg_init(void);
454
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455/* ogg.c */
456int ogg_init(void);
457
f20dca40 458/* dv.c */
c3775e54 459int ff_dv_init(void);
f20dca40 460
de6d9b64 461/* ffm.c */
b9a281db 462int ffm_init(void);
de6d9b64 463
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464/* rtsp.c */
465extern AVInputFormat redir_demux;
466int redir_open(AVFormatContext **ic_ptr, ByteIOContext *f);
467
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468/* 4xm.c */
469int fourxm_init(void);
470
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471/* psxstr.c */
472int str_init(void);
473
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474/* idroq.c */
475int roq_init(void);
476
477/* ipmovie.c */
478int ipmovie_init(void);
479
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480/* nut.c */
481int nut_init(void);
482
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483/* wc3movie.c */
484int wc3_init(void);
485
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486/* westwood.c */
487int westwood_init(void);
488
489/* segafilm.c */
490int film_init(void);
491
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492/* idcin.c */
493int idcin_init(void);
494
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495/* flic.c */
496int flic_init(void);
497
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498/* sierravmd.c */
499int vmd_init(void);
500
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501/* matroska.c */
502int matroska_init(void);
503
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504/* sol.c */
505int sol_init(void);
506
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507/* electronicarts.c */
508int ea_init(void);
509
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510#include "rtp.h"
511
512#include "rtsp.h"
513
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514/* yuv4mpeg.c */
515extern AVOutputFormat yuv4mpegpipe_oformat;
516
b9a281db 517/* utils.c */
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518void av_register_input_format(AVInputFormat *format);
519void av_register_output_format(AVOutputFormat *format);
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520AVOutputFormat *guess_stream_format(const char *short_name,
521 const char *filename, const char *mime_type);
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522AVOutputFormat *guess_format(const char *short_name,
523 const char *filename, const char *mime_type);
de6d9b64 524
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525void av_hex_dump(FILE *f, uint8_t *buf, int size);
526void av_pkt_dump(FILE *f, AVPacket *pkt, int dump_payload);
de6d9b64 527
94988531 528void av_register_all(void);
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529
530typedef struct FifoBuffer {
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531 uint8_t *buffer;
532 uint8_t *rptr, *wptr, *end;
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533} FifoBuffer;
534
535int fifo_init(FifoBuffer *f, int size);
536void fifo_free(FifoBuffer *f);
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537int fifo_size(FifoBuffer *f, uint8_t *rptr);
538int fifo_read(FifoBuffer *f, uint8_t *buf, int buf_size, uint8_t **rptr_ptr);
539void fifo_write(FifoBuffer *f, uint8_t *buf, int size, uint8_t **wptr_ptr);
7000a175 540int put_fifo(ByteIOContext *pb, FifoBuffer *f, int buf_size, uint8_t **rptr_ptr);
de6d9b64 541
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542/* media file input */
543AVInputFormat *av_find_input_format(const char *short_name);
94988531 544AVInputFormat *av_probe_input_format(AVProbeData *pd, int is_opened);
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545int av_open_input_stream(AVFormatContext **ic_ptr,
546 ByteIOContext *pb, const char *filename,
547 AVInputFormat *fmt, AVFormatParameters *ap);
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548int av_open_input_file(AVFormatContext **ic_ptr, const char *filename,
549 AVInputFormat *fmt,
550 int buf_size,
551 AVFormatParameters *ap);
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552/* no av_open for output, so applications will need this: */
553AVFormatContext *av_alloc_format_context(void);
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554
555#define AVERROR_UNKNOWN (-1) /* unknown error */
556#define AVERROR_IO (-2) /* i/o error */
557#define AVERROR_NUMEXPECTED (-3) /* number syntax expected in filename */
558#define AVERROR_INVALIDDATA (-4) /* invalid data found */
559#define AVERROR_NOMEM (-5) /* not enough memory */
560#define AVERROR_NOFMT (-6) /* unknown format */
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561#define AVERROR_NOTSUPP (-7) /* operation not supported */
562
b9a281db 563int av_find_stream_info(AVFormatContext *ic);
de6d9b64 564int av_read_packet(AVFormatContext *s, AVPacket *pkt);
fb2758c8 565int av_read_frame(AVFormatContext *s, AVPacket *pkt);
3ba1438d 566int av_seek_frame(AVFormatContext *s, int stream_index, int64_t timestamp, int flags);
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567int av_read_play(AVFormatContext *s);
568int av_read_pause(AVFormatContext *s);
de6d9b64 569void av_close_input_file(AVFormatContext *s);
b9a281db 570AVStream *av_new_stream(AVFormatContext *s, int id);
9ee91c2f 571void av_set_pts_info(AVStream *s, int pts_wrap_bits,
916c80e9 572 int pts_num, int pts_den);
de6d9b64 573
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574#define AVSEEK_FLAG_BACKWARD 1 ///< seek backward
575#define AVSEEK_FLAG_BYTE 2 ///< seeking based on position in bytes
576
b754978a 577int av_find_default_stream_index(AVFormatContext *s);
3ba1438d 578int av_index_search_timestamp(AVStream *st, int timestamp, int flags);
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579int av_add_index_entry(AVStream *st,
580 int64_t pos, int64_t timestamp, int distance, int flags);
3ba1438d 581int av_seek_frame_binary(AVFormatContext *s, int stream_index, int64_t target_ts, int flags);
b754978a 582
b9a281db 583/* media file output */
290c5fa6 584int av_set_parameters(AVFormatContext *s, AVFormatParameters *ap);
b9a281db 585int av_write_header(AVFormatContext *s);
e928649b 586int av_write_frame(AVFormatContext *s, AVPacket *pkt);
3c895fc0 587int av_interleaved_write_frame(AVFormatContext *s, AVPacket *pkt);
e928649b 588
b9a281db 589int av_write_trailer(AVFormatContext *s);
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590
591void dump_format(AVFormatContext *ic,
592 int index,
593 const char *url,
594 int is_output);
595int parse_image_size(int *width_ptr, int *height_ptr, const char *str);
445f1b83 596int parse_frame_rate(int *frame_rate, int *frame_rate_base, const char *arg);
0c1a9eda 597int64_t parse_date(const char *datestr, int duration);
de6d9b64 598
0c1a9eda 599int64_t av_gettime(void);
94988531 600
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601/* ffm specific for ffserver */
602#define FFM_PACKET_SIZE 4096
603offset_t ffm_read_write_index(int fd);
604void ffm_write_write_index(int fd, offset_t pos);
605void ffm_set_write_index(AVFormatContext *s, offset_t pos, offset_t file_size);
606
607int find_info_tag(char *arg, int arg_size, const char *tag1, const char *info);
608
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609int get_frame_filename(char *buf, int buf_size,
610 const char *path, int number);
b9a281db 611int filename_number_test(const char *filename);
96baaa6a 612
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613/* grab specific */
614int video_grab_init(void);
615int audio_init(void);
96baaa6a 616
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617/* DV1394 */
618int dv1394_init(void);
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619
620#ifdef HAVE_AV_CONFIG_H
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621
622#include "os_support.h"
623
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624int strstart(const char *str, const char *val, const char **ptr);
625int stristart(const char *str, const char *val, const char **ptr);
626void pstrcpy(char *buf, int buf_size, const char *str);
627char *pstrcat(char *buf, int buf_size, const char *s);
fb025625 628
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629void __dynarray_add(unsigned long **tab_ptr, int *nb_ptr, unsigned long elem);
630
e4e70d2e 631#ifdef __GNUC__
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632#define dynarray_add(tab, nb_ptr, elem)\
633do {\
634 typeof(tab) _tab = (tab);\
635 typeof(elem) _elem = (elem);\
636 (void)sizeof(**_tab == _elem); /* check that types are compatible */\
637 __dynarray_add((unsigned long **)_tab, nb_ptr, (unsigned long)_elem);\
638} while(0)
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639#else
640#define dynarray_add(tab, nb_ptr, elem)\
641do {\
642 __dynarray_add((unsigned long **)(tab), nb_ptr, (unsigned long)(elem));\
643} while(0)
644#endif
39f472c3 645
f71869a4 646time_t mktimegm(struct tm *tm);
0c9fc6e1 647struct tm *brktimegm(time_t secs, struct tm *tm);
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648const char *small_strptime(const char *p, const char *fmt,
649 struct tm *dt);
650
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651struct in_addr;
652int resolve_host(struct in_addr *sin_addr, const char *hostname);
653
654void url_split(char *proto, int proto_size,
6ba5cbc6 655 char *authorization, int authorization_size,
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656 char *hostname, int hostname_size,
657 int *port_ptr,
658 char *path, int path_size,
659 const char *url);
660
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661int match_ext(const char *filename, const char *extensions);
662
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663#endif /* HAVE_AV_CONFIG_H */
664
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665#ifdef __cplusplus
666}
667#endif
668
fb025625 669#endif /* AVFORMAT_H */