fix low bitrate mp3
[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
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8#define LIBAVFORMAT_VERSION_INT ((50<<16)+(5<<8)+0)
9#define LIBAVFORMAT_VERSION 50.5.0
5aa083ee 10#define LIBAVFORMAT_BUILD LIBAVFORMAT_VERSION_INT
8026c3b5 11
5aa083ee 12#define LIBAVFORMAT_IDENT "Lavf" AV_STRINGIFY(LIBAVFORMAT_VERSION)
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 time_base units
32 int64_t dts; ///< decompression time stamp in time_base units
0c1a9eda 33 uint8_t *data;
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34 int size;
35 int stream_index;
36 int flags;
2692067a 37 int duration; ///< presentation duration in time_base units (0 if not available)
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38 void (*destruct)(struct AVPacket *);
39 void *priv;
2692067a 40 int64_t pos; ///< byte position in stream, -1 if unknown
115329f1 41} AVPacket;
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42#define PKT_FLAG_KEY 0x0001
43
63dd1377 44void av_destruct_packet_nofree(AVPacket *pkt);
90ad92b3 45void av_destruct_packet(AVPacket *pkt);
63dd1377 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;
fb2758c8 51 pkt->dts = AV_NOPTS_VALUE;
2692067a 52 pkt->pos = -1;
fb2758c8 53 pkt->duration = 0;
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54 pkt->flags = 0;
55 pkt->stream_index = 0;
63dd1377 56 pkt->destruct= av_destruct_packet_nofree;
6fa5a56c 57}
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58
59int av_new_packet(AVPacket *pkt, int size);
2692067a 60int av_get_packet(ByteIOContext *s, AVPacket *pkt, int size);
fb2758c8 61int av_dup_packet(AVPacket *pkt);
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62
63/**
64 * Free a packet
65 *
66 * @param pkt packet to free
67 */
68static inline void av_free_packet(AVPacket *pkt)
69{
342474ab 70 if (pkt && pkt->destruct) {
bb270c08 71 pkt->destruct(pkt);
342474ab 72 }
6fa5a56c 73}
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74
75/*************************************************/
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76/* fractional numbers for exact pts handling */
77
78/* the exact value of the fractional number is: 'val + num / den'. num
79 is assumed to be such as 0 <= num < den */
80typedef struct AVFrac {
115329f1 81 int64_t val, num, den;
955ab9a4 82} AVFrac attribute_deprecated;
916c80e9 83
916c80e9 84/*************************************************/
b9a281db 85/* input/output formats */
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86
87struct AVFormatContext;
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88
89/* this structure contains the data a format has to probe a file */
90typedef struct AVProbeData {
5c91a675 91 const char *filename;
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92 unsigned char *buf;
93 int buf_size;
94} AVProbeData;
95
96#define AVPROBE_SCORE_MAX 100
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97
98typedef struct AVFormatParameters {
c0df9d75 99 AVRational time_base;
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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 106 int channel; /* used to select dv channel */
6beefa40 107 const char *device; /* video, audio or DV device */
e3ee3283 108 const char *standard; /* tv standard, NTSC, PAL, SECAM */
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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 */
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113 int initial_pause:1; /* do not begin to play the stream
114 immediately (RTSP only) */
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115 enum CodecID video_codec_id;
116 enum CodecID audio_codec_id;
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117} AVFormatParameters;
118
b9a281db 119#define AVFMT_NOFILE 0x0001 /* no file should be opened */
115329f1 120#define AVFMT_NEEDNUMBER 0x0002 /* needs '%d' in filename */
b9a281db 121#define AVFMT_SHOW_IDS 0x0008 /* show format stream IDs numbers */
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122#define AVFMT_RAWPICTURE 0x0020 /* format wants AVPicture structure for
123 raw picture data */
c64d476c 124#define AVFMT_GLOBALHEADER 0x0040 /* format wants global header */
494bbf58 125#define AVFMT_NOTIMESTAMPS 0x0080 /* format doesnt need / has any timestamps */
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126
127typedef struct AVOutputFormat {
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128 const char *name;
129 const char *long_name;
130 const char *mime_type;
131 const char *extensions; /* comma separated extensions */
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132 /* size of private data so that it can be allocated in the wrapper */
133 int priv_data_size;
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134 /* output support */
135 enum CodecID audio_codec; /* default audio codec */
136 enum CodecID video_codec; /* default video codec */
137 int (*write_header)(struct AVFormatContext *);
e928649b 138 int (*write_packet)(struct AVFormatContext *, AVPacket *pkt);
de6d9b64 139 int (*write_trailer)(struct AVFormatContext *);
c64d476c 140 /* can use flags: AVFMT_NOFILE, AVFMT_NEEDNUMBER, AVFMT_GLOBALHEADER */
b9a281db 141 int flags;
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142 /* currently only used to set pixel format if not YUV420P */
143 int (*set_parameters)(struct AVFormatContext *, AVFormatParameters *);
fe2d6fe2 144 int (*interleave_packet)(struct AVFormatContext *, AVPacket *out, AVPacket *in, int flush);
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145 /* private fields */
146 struct AVOutputFormat *next;
147} AVOutputFormat;
de6d9b64 148
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149typedef struct AVInputFormat {
150 const char *name;
151 const char *long_name;
152 /* size of private data so that it can be allocated in the wrapper */
153 int priv_data_size;
154 /* tell if a given file has a chance of being parsing by this format */
155 int (*read_probe)(AVProbeData *);
156 /* read the format header and initialize the AVFormatContext
de6d9b64 157 structure. Return 0 if OK. 'ap' if non NULL contains
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158 additionnal paramters. Only used in raw format right
159 now. 'av_new_stream' should be called to create new streams. */
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160 int (*read_header)(struct AVFormatContext *,
161 AVFormatParameters *ap);
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162 /* read one packet and put it in 'pkt'. pts and flags are also
163 set. 'av_new_stream' can be called only if the flag
da24c5e3 164 AVFMTCTX_NOHEADER is used. */
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165 int (*read_packet)(struct AVFormatContext *, AVPacket *pkt);
166 /* close the stream. The AVFormatContext and AVStreams are not
167 freed by this function */
168 int (*read_close)(struct AVFormatContext *);
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169 /**
170 * seek to a given timestamp relative to the frames in
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171 * stream component stream_index
172 * @param stream_index must not be -1
115329f1 173 * @param flags selects which direction should be preferred if no exact
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174 * match is available
175 */
115329f1 176 int (*read_seek)(struct AVFormatContext *,
3ba1438d 177 int stream_index, int64_t timestamp, int flags);
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178 /**
179 * gets the next timestamp in AV_TIME_BASE units.
180 */
181 int64_t (*read_timestamp)(struct AVFormatContext *s, int stream_index,
182 int64_t *pos, int64_t pos_limit);
da24c5e3 183 /* can use flags: AVFMT_NOFILE, AVFMT_NEEDNUMBER */
de6d9b64 184 int flags;
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185 /* if extensions are defined, then no probe is done. You should
186 usually not use extension format guessing because it is not
187 reliable enough */
188 const char *extensions;
189 /* general purpose read only value that the format can use */
190 int value;
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191
192 /* start/resume playing - only meaningful if using a network based format
193 (RTSP) */
194 int (*read_play)(struct AVFormatContext *);
195
196 /* pause playing - only meaningful if using a network based format
197 (RTSP) */
198 int (*read_pause)(struct AVFormatContext *);
199
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200 /* private fields */
201 struct AVInputFormat *next;
202} AVInputFormat;
de6d9b64 203
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204typedef struct AVIndexEntry {
205 int64_t pos;
206 int64_t timestamp;
207#define AVINDEX_KEYFRAME 0x0001
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208 int flags:2;
209 int size:30; //yeah trying to keep the size of this small to reduce memory requirements (its 24 vs 32 byte due to possible 8byte align)
3e9245a9 210 int min_distance; /* min distance between this and the previous keyframe, used to avoid unneeded searching */
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211} AVIndexEntry;
212
de6d9b64 213typedef struct AVStream {
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214 int index; /* stream index in AVFormatContext */
215 int id; /* format specific stream id */
01f4895c 216 AVCodecContext *codec; /* codec context */
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217 /**
218 * real base frame rate of the stream.
115329f1 219 * for example if the timebase is 1/90000 and all frames have either
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220 * approximately 3600 or 1800 timer ticks then r_frame_rate will be 50/1
221 */
222 AVRational r_frame_rate;
de6d9b64 223 void *priv_data;
b9a281db 224 /* internal data used in av_find_stream_info() */
115329f1 225 int64_t codec_info_duration;
fb2758c8 226 int codec_info_nb_frames;
da24c5e3 227 /* encoding: PTS generation when outputing stream */
1e51d801 228 AVFrac pts;
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229
230 /**
231 * this is the fundamental unit of time (in seconds) in terms
232 * of which frame timestamps are represented. for fixed-fps content,
233 * timebase should be 1/framerate and timestamp increments should be
234 * identically 1.
235 */
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236 AVRational time_base;
237 int pts_wrap_bits; /* number of bits in pts (used for wrapping control) */
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238 /* ffmpeg.c private use */
239 int stream_copy; /* if TRUE, just copy stream */
f3356e9c 240 enum AVDiscard discard; ///< selects which packets can be discarded at will and dont need to be demuxed
b4aea108 241 //FIXME move stuff to a flags field?
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242 /* quality, as it has been removed from AVCodecContext and put in AVVideoFrame
243 * MN:dunno if thats the right place, for it */
115329f1 244 float quality;
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245 /* decoding: position of the first frame of the component, in
246 AV_TIME_BASE fractional seconds. */
115329f1 247 int64_t start_time;
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248 /* decoding: duration of the stream, in AV_TIME_BASE fractional
249 seconds. */
250 int64_t duration;
fb2758c8 251
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252 char language[4]; /* ISO 639 3-letter language code (empty string if undefined) */
253
fb2758c8 254 /* av_read_frame() support */
7cbaa7ba 255 int need_parsing; ///< 1->full parsing needed, 2->only parse headers dont repack
fb2758c8 256 struct AVCodecParserContext *parser;
6ec87caa 257
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258 int64_t cur_dts;
259 int last_IP_duration;
77405fc8 260 int64_t last_IP_pts;
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261 /* av_seek_frame() support */
262 AVIndexEntry *index_entries; /* only used if the format does not
263 support seeking natively */
264 int nb_index_entries;
265 int index_entries_allocated_size;
115329f1 266
b4b87d48 267 int64_t nb_frames; ///< number of frames in this stream if known or 0
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268} AVStream;
269
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270#define AVFMTCTX_NOHEADER 0x0001 /* signal that no header is present
271 (streams are added dynamically) */
272
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273#define MAX_STREAMS 20
274
275/* format I/O context */
276typedef struct AVFormatContext {
7fea94ce 277 const AVClass *av_class; /* set by av_alloc_format_context */
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278 /* can only be iformat or oformat, not both at the same time */
279 struct AVInputFormat *iformat;
280 struct AVOutputFormat *oformat;
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281 void *priv_data;
282 ByteIOContext pb;
283 int nb_streams;
284 AVStream *streams[MAX_STREAMS];
285 char filename[1024]; /* input or output filename */
286 /* stream info */
4568325a 287 int64_t timestamp;
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288 char title[512];
289 char author[512];
290 char copyright[512];
291 char comment[512];
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292 char album[512];
293 int year; /* ID3 year, 0 if none */
294 int track; /* track number, 0 if none */
295 char genre[32]; /* ID3 genre */
296
da24c5e3 297 int ctx_flags; /* format specific flags, see AVFMTCTX_xx */
916c80e9 298 /* private data for pts handling (do not modify directly) */
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299 /* This buffer is only needed when packets were already buffered but
300 not decoded, for example to get the codec parameters in mpeg
301 streams */
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302 struct AVPacketList *packet_buffer;
303
304 /* decoding: position of the first frame of the component, in
305 AV_TIME_BASE fractional seconds. NEVER set this value directly:
306 it is deduced from the AVStream values. */
115329f1 307 int64_t start_time;
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308 /* decoding: duration of the stream, in AV_TIME_BASE fractional
309 seconds. NEVER set this value directly: it is deduced from the
310 AVStream values. */
311 int64_t duration;
312 /* decoding: total file size. 0 if unknown */
313 int64_t file_size;
314 /* decoding: total stream bitrate in bit/s, 0 if not
315 available. Never set it directly if the file_size and the
316 duration are known as ffmpeg can compute it automatically. */
317 int bit_rate;
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318
319 /* av_read_frame() support */
320 AVStream *cur_st;
321 const uint8_t *cur_ptr;
322 int cur_len;
323 AVPacket cur_pkt;
324
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325 /* av_seek_frame() support */
326 int64_t data_offset; /* offset of the first packet */
327 int index_built;
115329f1 328
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329 int mux_rate;
330 int packet_size;
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331 int preload;
332 int max_delay;
8108551a 333
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334#define AVFMT_NOOUTPUTLOOP -1
335#define AVFMT_INFINITEOUTPUTLOOP 0
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336 /* number of times to loop output in formats that support it */
337 int loop_output;
115329f1 338
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339 int flags;
340#define AVFMT_FLAG_GENPTS 0x0001 ///< generate pts if missing even if it requires parsing future frames
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341
342 int loop_input;
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343} AVFormatContext;
344
345typedef struct AVPacketList {
346 AVPacket pkt;
347 struct AVPacketList *next;
348} AVPacketList;
349
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350extern AVInputFormat *first_iformat;
351extern AVOutputFormat *first_oformat;
de6d9b64 352
290c5fa6 353/* still image support */
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354struct AVInputImageContext attribute_deprecated;
355typedef struct AVInputImageContext AVInputImageContext attribute_deprecated;
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356
357typedef struct AVImageInfo {
358 enum PixelFormat pix_fmt; /* requested pixel format */
359 int width; /* requested width */
360 int height; /* requested height */
7e2e1abf 361 int interleaved; /* image is interleaved (e.g. interleaved GIF) */
290c5fa6 362 AVPicture pict; /* returned allocated image */
955ab9a4 363} AVImageInfo attribute_deprecated;
290c5fa6 364
3b1a27e0 365/* AVImageFormat.flags field constants */
7e2e1abf 366#define AVIMAGE_INTERLEAVED 0x0001 /* image format support interleaved output */
3b1a27e0 367
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368typedef struct AVImageFormat {
369 const char *name;
370 const char *extensions;
371 /* tell if a given file has a chance of being parsing by this format */
372 int (*img_probe)(AVProbeData *);
373 /* read a whole image. 'alloc_cb' is called when the image size is
374 known so that the caller can allocate the image. If 'allo_cb'
375 returns non zero, then the parsing is aborted. Return '0' if
376 OK. */
115329f1 377 int (*img_read)(ByteIOContext *,
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378 int (*alloc_cb)(void *, AVImageInfo *info), void *);
379 /* write the image */
380 int supported_pixel_formats; /* mask of supported formats for output */
381 int (*img_write)(ByteIOContext *, AVImageInfo *);
3b1a27e0 382 int flags;
290c5fa6 383 struct AVImageFormat *next;
955ab9a4 384} AVImageFormat attribute_deprecated;
290c5fa6 385
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386void av_register_image_format(AVImageFormat *img_fmt) attribute_deprecated;
387AVImageFormat *av_probe_image_format(AVProbeData *pd) attribute_deprecated;
388AVImageFormat *guess_image_format(const char *filename) attribute_deprecated;
5b6d5596 389enum CodecID av_guess_image2_codec(const char *filename);
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390int av_read_image(ByteIOContext *pb, const char *filename,
391 AVImageFormat *fmt,
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392 int (*alloc_cb)(void *, AVImageInfo *info), void *opaque) attribute_deprecated;
393int av_write_image(ByteIOContext *pb, AVImageFormat *fmt, AVImageInfo *img) attribute_deprecated;
290c5fa6 394
955ab9a4 395extern AVImageFormat *first_image_format attribute_deprecated;
290c5fa6 396
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397/* XXX: use automatic init with either ELF sections or C file parser */
398/* modules */
de6d9b64 399
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400#include "rtp.h"
401
402#include "rtsp.h"
403
290c5fa6 404/* yuv4mpeg.c */
d2a067d1 405extern AVOutputFormat yuv4mpegpipe_muxer;
290c5fa6 406
b9a281db 407/* utils.c */
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408void av_register_input_format(AVInputFormat *format);
409void av_register_output_format(AVOutputFormat *format);
115329f1 410AVOutputFormat *guess_stream_format(const char *short_name,
36ada60c 411 const char *filename, const char *mime_type);
115329f1 412AVOutputFormat *guess_format(const char *short_name,
b9a281db 413 const char *filename, const char *mime_type);
115329f1 414enum CodecID av_guess_codec(AVOutputFormat *fmt, const char *short_name,
5b6d5596 415 const char *filename, const char *mime_type, enum CodecType type);
de6d9b64 416
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417void av_hex_dump(FILE *f, uint8_t *buf, int size);
418void av_pkt_dump(FILE *f, AVPacket *pkt, int dump_payload);
de6d9b64 419
94988531 420void av_register_all(void);
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421
422typedef struct FifoBuffer {
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423 uint8_t *buffer;
424 uint8_t *rptr, *wptr, *end;
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425} FifoBuffer;
426
427int fifo_init(FifoBuffer *f, int size);
428void fifo_free(FifoBuffer *f);
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429int fifo_size(FifoBuffer *f, uint8_t *rptr);
430int fifo_read(FifoBuffer *f, uint8_t *buf, int buf_size, uint8_t **rptr_ptr);
a97c1e93 431void fifo_write(FifoBuffer *f, const uint8_t *buf, int size, uint8_t **wptr_ptr);
7000a175 432int put_fifo(ByteIOContext *pb, FifoBuffer *f, int buf_size, uint8_t **rptr_ptr);
568e18b1 433void fifo_realloc(FifoBuffer *f, unsigned int size);
de6d9b64 434
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435/* media file input */
436AVInputFormat *av_find_input_format(const char *short_name);
94988531 437AVInputFormat *av_probe_input_format(AVProbeData *pd, int is_opened);
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438int av_open_input_stream(AVFormatContext **ic_ptr,
439 ByteIOContext *pb, const char *filename,
da24c5e3 440 AVInputFormat *fmt, AVFormatParameters *ap);
115329f1 441int av_open_input_file(AVFormatContext **ic_ptr, const char *filename,
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442 AVInputFormat *fmt,
443 int buf_size,
444 AVFormatParameters *ap);
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445/* no av_open for output, so applications will need this: */
446AVFormatContext *av_alloc_format_context(void);
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447
448#define AVERROR_UNKNOWN (-1) /* unknown error */
449#define AVERROR_IO (-2) /* i/o error */
450#define AVERROR_NUMEXPECTED (-3) /* number syntax expected in filename */
451#define AVERROR_INVALIDDATA (-4) /* invalid data found */
452#define AVERROR_NOMEM (-5) /* not enough memory */
453#define AVERROR_NOFMT (-6) /* unknown format */
fb2758c8 454#define AVERROR_NOTSUPP (-7) /* operation not supported */
115329f1 455
b9a281db 456int av_find_stream_info(AVFormatContext *ic);
de6d9b64 457int av_read_packet(AVFormatContext *s, AVPacket *pkt);
fb2758c8 458int av_read_frame(AVFormatContext *s, AVPacket *pkt);
3ba1438d 459int av_seek_frame(AVFormatContext *s, int stream_index, int64_t timestamp, int flags);
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460int av_read_play(AVFormatContext *s);
461int av_read_pause(AVFormatContext *s);
de6d9b64 462void av_close_input_file(AVFormatContext *s);
b9a281db 463AVStream *av_new_stream(AVFormatContext *s, int id);
9ee91c2f 464void av_set_pts_info(AVStream *s, int pts_wrap_bits,
916c80e9 465 int pts_num, int pts_den);
de6d9b64 466
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467#define AVSEEK_FLAG_BACKWARD 1 ///< seek backward
468#define AVSEEK_FLAG_BYTE 2 ///< seeking based on position in bytes
27a5fe5f 469#define AVSEEK_FLAG_ANY 4 ///< seek to any frame, even non keyframes
3ba1438d 470
b754978a 471int av_find_default_stream_index(AVFormatContext *s);
dc56fc38 472int av_index_search_timestamp(AVStream *st, int64_t timestamp, int flags);
3e9245a9 473int av_add_index_entry(AVStream *st,
30a43f2d 474 int64_t pos, int64_t timestamp, int size, int distance, int flags);
3ba1438d 475int av_seek_frame_binary(AVFormatContext *s, int stream_index, int64_t target_ts, int flags);
22ffac70 476void av_update_cur_dts(AVFormatContext *s, AVStream *ref_st, int64_t timestamp);
b754978a 477
b9a281db 478/* media file output */
290c5fa6 479int av_set_parameters(AVFormatContext *s, AVFormatParameters *ap);
b9a281db 480int av_write_header(AVFormatContext *s);
e928649b 481int av_write_frame(AVFormatContext *s, AVPacket *pkt);
3c895fc0 482int av_interleaved_write_frame(AVFormatContext *s, AVPacket *pkt);
f21c0b4c 483int av_interleave_packet_per_dts(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush);
e928649b 484
b9a281db 485int av_write_trailer(AVFormatContext *s);
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486
487void dump_format(AVFormatContext *ic,
115329f1 488 int index,
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489 const char *url,
490 int is_output);
491int parse_image_size(int *width_ptr, int *height_ptr, const char *str);
445f1b83 492int parse_frame_rate(int *frame_rate, int *frame_rate_base, const char *arg);
0c1a9eda 493int64_t parse_date(const char *datestr, int duration);
de6d9b64 494
0c1a9eda 495int64_t av_gettime(void);
94988531 496
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497/* ffm specific for ffserver */
498#define FFM_PACKET_SIZE 4096
499offset_t ffm_read_write_index(int fd);
500void ffm_write_write_index(int fd, offset_t pos);
501void ffm_set_write_index(AVFormatContext *s, offset_t pos, offset_t file_size);
502
503int find_info_tag(char *arg, int arg_size, const char *tag1, const char *info);
504
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505int get_frame_filename(char *buf, int buf_size,
506 const char *path, int number);
b9a281db 507int filename_number_test(const char *filename);
96baaa6a 508
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509/* grab specific */
510int video_grab_init(void);
511int audio_init(void);
96baaa6a 512
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513/* DV1394 */
514int dv1394_init(void);
f02be79d 515int dc1394_init(void);
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516
517#ifdef HAVE_AV_CONFIG_H
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518
519#include "os_support.h"
520
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521int strstart(const char *str, const char *val, const char **ptr);
522int stristart(const char *str, const char *val, const char **ptr);
523void pstrcpy(char *buf, int buf_size, const char *str);
524char *pstrcat(char *buf, int buf_size, const char *s);
fb025625 525
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526void __dynarray_add(unsigned long **tab_ptr, int *nb_ptr, unsigned long elem);
527
e4e70d2e 528#ifdef __GNUC__
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529#define dynarray_add(tab, nb_ptr, elem)\
530do {\
531 typeof(tab) _tab = (tab);\
532 typeof(elem) _elem = (elem);\
533 (void)sizeof(**_tab == _elem); /* check that types are compatible */\
534 __dynarray_add((unsigned long **)_tab, nb_ptr, (unsigned long)_elem);\
535} while(0)
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536#else
537#define dynarray_add(tab, nb_ptr, elem)\
538do {\
539 __dynarray_add((unsigned long **)(tab), nb_ptr, (unsigned long)(elem));\
540} while(0)
541#endif
39f472c3 542
f71869a4 543time_t mktimegm(struct tm *tm);
0c9fc6e1 544struct tm *brktimegm(time_t secs, struct tm *tm);
115329f1 545const char *small_strptime(const char *p, const char *fmt,
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546 struct tm *dt);
547
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548struct in_addr;
549int resolve_host(struct in_addr *sin_addr, const char *hostname);
550
551void url_split(char *proto, int proto_size,
6ba5cbc6 552 char *authorization, int authorization_size,
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553 char *hostname, int hostname_size,
554 int *port_ptr,
555 char *path, int path_size,
556 const char *url);
557
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558int match_ext(const char *filename, const char *extensions);
559
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560#endif /* HAVE_AV_CONFIG_H */
561
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562#ifdef __cplusplus
563}
564#endif
565
fb025625 566#endif /* AVFORMAT_H */
f3356e9c 567