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fb025625 FB |
1 | #ifndef AVFORMAT_H |
2 | #define AVFORMAT_H | |
de6d9b64 | 3 | |
4b1f4f23 J |
4 | #define LIBAV_VERSION_INT 0x000406 |
5 | #define LIBAV_VERSION "0.4.6" | |
92b3e125 | 6 | #define LIBAV_BUILD 4601 |
4b1f4f23 | 7 | |
de6d9b64 FB |
8 | #include "avcodec.h" |
9 | ||
de6d9b64 FB |
10 | #include "avio.h" |
11 | ||
12 | /* packet functions */ | |
13 | ||
fb025625 FB |
14 | #define AV_NOPTS_VALUE 0 |
15 | ||
de6d9b64 FB |
16 | typedef struct AVPacket { |
17 | INT64 pts; | |
18 | UINT8 *data; | |
19 | int size; | |
20 | int stream_index; | |
21 | int flags; | |
6d9872f4 | 22 | int duration; |
de6d9b64 | 23 | #define PKT_FLAG_KEY 0x0001 |
4606ac8d | 24 | #define PKT_FLAG_DROPPED_FRAME 0x0002 |
de6d9b64 FB |
25 | } AVPacket; |
26 | ||
27 | int av_new_packet(AVPacket *pkt, int size); | |
28 | void av_free_packet(AVPacket *pkt); | |
29 | ||
30 | /*************************************************/ | |
b9a281db | 31 | /* input/output formats */ |
de6d9b64 FB |
32 | |
33 | struct AVFormatContext; | |
b9a281db FB |
34 | |
35 | /* this structure contains the data a format has to probe a file */ | |
36 | typedef struct AVProbeData { | |
37 | char *filename; | |
38 | unsigned char *buf; | |
39 | int buf_size; | |
40 | } AVProbeData; | |
41 | ||
42 | #define AVPROBE_SCORE_MAX 100 | |
de6d9b64 FB |
43 | |
44 | typedef struct AVFormatParameters { | |
45 | int frame_rate; | |
46 | int sample_rate; | |
47 | int channels; | |
48 | int width; | |
49 | int height; | |
4606ac8d | 50 | enum PixelFormat pix_fmt; |
de6d9b64 FB |
51 | } AVFormatParameters; |
52 | ||
b9a281db FB |
53 | #define AVFMT_NOFILE 0x0001 /* no file should be opened */ |
54 | #define AVFMT_NEEDNUMBER 0x0002 /* needs '%d' in filename */ | |
55 | #define AVFMT_NOHEADER 0x0004 /* signal that no header is present | |
56 | (streams are added dynamically) */ | |
57 | #define AVFMT_SHOW_IDS 0x0008 /* show format stream IDs numbers */ | |
58 | #define AVFMT_RGB24 0x0010 /* force RGB24 output for ppm (hack | |
59 | - need better api) */ | |
fb025625 FB |
60 | #define AVFMT_RAWPICTURE 0x0020 /* format wants AVPicture structure for |
61 | raw picture data */ | |
b9a281db FB |
62 | |
63 | typedef struct AVOutputFormat { | |
de6d9b64 FB |
64 | const char *name; |
65 | const char *long_name; | |
66 | const char *mime_type; | |
67 | const char *extensions; /* comma separated extensions */ | |
b9a281db FB |
68 | /* size of private data so that it can be allocated in the wrapper */ |
69 | int priv_data_size; | |
de6d9b64 FB |
70 | /* output support */ |
71 | enum CodecID audio_codec; /* default audio codec */ | |
72 | enum CodecID video_codec; /* default video codec */ | |
73 | int (*write_header)(struct AVFormatContext *); | |
74 | int (*write_packet)(struct AVFormatContext *, | |
75 | int stream_index, | |
10bb7023 | 76 | unsigned char *buf, int size, int force_pts); |
de6d9b64 | 77 | int (*write_trailer)(struct AVFormatContext *); |
b9a281db FB |
78 | /* can use flags: AVFMT_NOFILE, AVFMT_NEEDNUMBER */ |
79 | int flags; | |
80 | /* private fields */ | |
81 | struct AVOutputFormat *next; | |
82 | } AVOutputFormat; | |
de6d9b64 | 83 | |
b9a281db FB |
84 | typedef struct AVInputFormat { |
85 | const char *name; | |
86 | const char *long_name; | |
87 | /* size of private data so that it can be allocated in the wrapper */ | |
88 | int priv_data_size; | |
89 | /* tell if a given file has a chance of being parsing by this format */ | |
90 | int (*read_probe)(AVProbeData *); | |
91 | /* read the format header and initialize the AVFormatContext | |
de6d9b64 | 92 | structure. Return 0 if OK. 'ap' if non NULL contains |
b9a281db FB |
93 | additionnal paramters. Only used in raw format right |
94 | now. 'av_new_stream' should be called to create new streams. */ | |
de6d9b64 FB |
95 | int (*read_header)(struct AVFormatContext *, |
96 | AVFormatParameters *ap); | |
b9a281db FB |
97 | /* read one packet and put it in 'pkt'. pts and flags are also |
98 | set. 'av_new_stream' can be called only if the flag | |
99 | AVFMT_NOHEADER is used. */ | |
de6d9b64 FB |
100 | int (*read_packet)(struct AVFormatContext *, AVPacket *pkt); |
101 | /* close the stream. The AVFormatContext and AVStreams are not | |
102 | freed by this function */ | |
103 | int (*read_close)(struct AVFormatContext *); | |
104 | /* seek at or before a given pts (given in microsecond). The pts | |
105 | origin is defined by the stream */ | |
106 | int (*read_seek)(struct AVFormatContext *, INT64 pts); | |
b9a281db | 107 | /* can use flags: AVFMT_NOFILE, AVFMT_NEEDNUMBER, AVFMT_NOHEADER */ |
de6d9b64 | 108 | int flags; |
b9a281db FB |
109 | /* if extensions are defined, then no probe is done. You should |
110 | usually not use extension format guessing because it is not | |
111 | reliable enough */ | |
112 | const char *extensions; | |
113 | /* general purpose read only value that the format can use */ | |
114 | int value; | |
115 | /* private fields */ | |
116 | struct AVInputFormat *next; | |
117 | } AVInputFormat; | |
de6d9b64 FB |
118 | |
119 | typedef struct AVStream { | |
b9a281db FB |
120 | int index; /* stream index in AVFormatContext */ |
121 | int id; /* format specific stream id */ | |
de6d9b64 | 122 | AVCodecContext codec; /* codec context */ |
76c0441b | 123 | int r_frame_rate; /* real frame rate of the stream */ |
de6d9b64 | 124 | void *priv_data; |
b9a281db FB |
125 | /* internal data used in av_find_stream_info() */ |
126 | int codec_info_state; | |
127 | int codec_info_nb_repeat_frames; | |
128 | int codec_info_nb_real_frames; | |
de6d9b64 FB |
129 | } AVStream; |
130 | ||
131 | #define MAX_STREAMS 20 | |
132 | ||
133 | /* format I/O context */ | |
134 | typedef struct AVFormatContext { | |
b9a281db FB |
135 | /* can only be iformat or oformat, not both at the same time */ |
136 | struct AVInputFormat *iformat; | |
137 | struct AVOutputFormat *oformat; | |
de6d9b64 FB |
138 | void *priv_data; |
139 | ByteIOContext pb; | |
140 | int nb_streams; | |
141 | AVStream *streams[MAX_STREAMS]; | |
142 | char filename[1024]; /* input or output filename */ | |
143 | /* stream info */ | |
144 | char title[512]; | |
145 | char author[512]; | |
146 | char copyright[512]; | |
147 | char comment[512]; | |
92b3e125 | 148 | int flags; /* format specific flags */ |
de6d9b64 FB |
149 | /* This buffer is only needed when packets were already buffered but |
150 | not decoded, for example to get the codec parameters in mpeg | |
151 | streams */ | |
152 | struct AVPacketList *packet_buffer; | |
153 | } AVFormatContext; | |
154 | ||
155 | typedef struct AVPacketList { | |
156 | AVPacket pkt; | |
157 | struct AVPacketList *next; | |
158 | } AVPacketList; | |
159 | ||
b9a281db FB |
160 | extern AVInputFormat *first_iformat; |
161 | extern AVOutputFormat *first_oformat; | |
de6d9b64 | 162 | |
b9a281db FB |
163 | /* XXX: use automatic init with either ELF sections or C file parser */ |
164 | /* modules */ | |
de6d9b64 | 165 | |
b9a281db | 166 | /* mpeg.c */ |
92b3e125 | 167 | #define AVF_FLAG_VCD 0x00000001 /* VCD compatible MPEG-PS */ |
b9a281db FB |
168 | int mpegps_init(void); |
169 | ||
170 | /* mpegts.c */ | |
171 | extern AVInputFormat mpegts_demux; | |
172 | int mpegts_init(void); | |
de6d9b64 | 173 | |
b9a281db FB |
174 | /* rm.c */ |
175 | int rm_init(void); | |
176 | ||
177 | /* crc.c */ | |
178 | int crc_init(void); | |
179 | ||
180 | /* img.c */ | |
181 | int img_init(void); | |
182 | ||
183 | /* asf.c */ | |
184 | int asf_init(void); | |
de6d9b64 FB |
185 | |
186 | /* avienc.c */ | |
b9a281db | 187 | int avienc_init(void); |
de6d9b64 | 188 | |
b9a281db FB |
189 | /* avidec.c */ |
190 | int avidec_init(void); | |
6cea494e | 191 | |
b9a281db FB |
192 | /* swf.c */ |
193 | int swf_init(void); | |
194 | ||
195 | /* mov.c */ | |
196 | int mov_init(void); | |
de6d9b64 | 197 | |
b9a281db FB |
198 | /* jpeg.c */ |
199 | int jpeg_init(void); | |
de6d9b64 | 200 | |
6cea494e | 201 | /* gif.c */ |
b9a281db FB |
202 | int gif_init(void); |
203 | ||
6cea494e | 204 | /* au.c */ |
b9a281db | 205 | int au_init(void); |
6cea494e | 206 | |
de6d9b64 | 207 | /* wav.c */ |
b9a281db | 208 | int wav_init(void); |
de6d9b64 FB |
209 | |
210 | /* raw.c */ | |
b9a281db | 211 | int raw_init(void); |
de6d9b64 FB |
212 | |
213 | /* ffm.c */ | |
b9a281db | 214 | int ffm_init(void); |
de6d9b64 | 215 | |
fb025625 FB |
216 | /* rtsp.c */ |
217 | extern AVInputFormat redir_demux; | |
218 | int redir_open(AVFormatContext **ic_ptr, ByteIOContext *f); | |
219 | ||
220 | #include "rtp.h" | |
221 | ||
222 | #include "rtsp.h" | |
223 | ||
b9a281db | 224 | /* utils.c */ |
de6d9b64 FB |
225 | #define MKTAG(a,b,c,d) (a | (b << 8) | (c << 16) | (d << 24)) |
226 | #define MKBETAG(a,b,c,d) (d | (c << 8) | (b << 16) | (a << 24)) | |
227 | ||
b9a281db FB |
228 | void av_register_input_format(AVInputFormat *format); |
229 | void av_register_output_format(AVOutputFormat *format); | |
230 | AVOutputFormat *guess_format(const char *short_name, | |
231 | const char *filename, const char *mime_type); | |
de6d9b64 | 232 | |
b9a281db | 233 | void av_hex_dump(UINT8 *buf, int size); |
de6d9b64 FB |
234 | |
235 | void register_all(void); | |
236 | ||
237 | INT64 gettime(void); | |
238 | ||
239 | typedef struct FifoBuffer { | |
240 | UINT8 *buffer; | |
241 | UINT8 *rptr, *wptr, *end; | |
242 | } FifoBuffer; | |
243 | ||
244 | int fifo_init(FifoBuffer *f, int size); | |
245 | void fifo_free(FifoBuffer *f); | |
246 | int fifo_size(FifoBuffer *f, UINT8 *rptr); | |
247 | int fifo_read(FifoBuffer *f, UINT8 *buf, int buf_size, UINT8 **rptr_ptr); | |
248 | void fifo_write(FifoBuffer *f, UINT8 *buf, int size, UINT8 **wptr_ptr); | |
249 | ||
b9a281db FB |
250 | /* media file input */ |
251 | AVInputFormat *av_find_input_format(const char *short_name); | |
252 | int av_open_input_file(AVFormatContext **ic_ptr, const char *filename, | |
253 | AVInputFormat *fmt, | |
254 | int buf_size, | |
255 | AVFormatParameters *ap); | |
256 | ||
257 | #define AVERROR_UNKNOWN (-1) /* unknown error */ | |
258 | #define AVERROR_IO (-2) /* i/o error */ | |
259 | #define AVERROR_NUMEXPECTED (-3) /* number syntax expected in filename */ | |
260 | #define AVERROR_INVALIDDATA (-4) /* invalid data found */ | |
261 | #define AVERROR_NOMEM (-5) /* not enough memory */ | |
262 | #define AVERROR_NOFMT (-6) /* unknown format */ | |
263 | ||
264 | int av_find_stream_info(AVFormatContext *ic); | |
de6d9b64 FB |
265 | int av_read_packet(AVFormatContext *s, AVPacket *pkt); |
266 | void av_close_input_file(AVFormatContext *s); | |
b9a281db | 267 | AVStream *av_new_stream(AVFormatContext *s, int id); |
de6d9b64 | 268 | |
b9a281db FB |
269 | /* media file output */ |
270 | int av_write_header(AVFormatContext *s); | |
10bb7023 | 271 | int av_write_packet(AVFormatContext *s, AVPacket *pkt, int force_pts); |
b9a281db | 272 | int av_write_trailer(AVFormatContext *s); |
de6d9b64 FB |
273 | |
274 | void dump_format(AVFormatContext *ic, | |
275 | int index, | |
276 | const char *url, | |
277 | int is_output); | |
278 | int parse_image_size(int *width_ptr, int *height_ptr, const char *str); | |
de6d9b64 FB |
279 | INT64 parse_date(const char *datestr, int duration); |
280 | ||
281 | /* ffm specific for ffserver */ | |
282 | #define FFM_PACKET_SIZE 4096 | |
283 | offset_t ffm_read_write_index(int fd); | |
284 | void ffm_write_write_index(int fd, offset_t pos); | |
285 | void ffm_set_write_index(AVFormatContext *s, offset_t pos, offset_t file_size); | |
286 | ||
287 | int find_info_tag(char *arg, int arg_size, const char *tag1, const char *info); | |
288 | ||
813cae4b FB |
289 | int get_frame_filename(char *buf, int buf_size, |
290 | const char *path, int number); | |
b9a281db | 291 | int filename_number_test(const char *filename); |
96baaa6a | 292 | |
b9a281db FB |
293 | /* grab specific */ |
294 | int video_grab_init(void); | |
295 | int audio_init(void); | |
96baaa6a FB |
296 | |
297 | extern const char *v4l_device; | |
298 | extern const char *audio_device; | |
fb025625 FB |
299 | |
300 | #ifdef HAVE_AV_CONFIG_H | |
301 | int strstart(const char *str, const char *val, const char **ptr); | |
302 | int stristart(const char *str, const char *val, const char **ptr); | |
303 | void pstrcpy(char *buf, int buf_size, const char *str); | |
304 | char *pstrcat(char *buf, int buf_size, const char *s); | |
305 | int match_ext(const char *filename, const char *extensions); | |
306 | ||
307 | struct in_addr; | |
308 | int resolve_host(struct in_addr *sin_addr, const char *hostname); | |
309 | ||
310 | void url_split(char *proto, int proto_size, | |
311 | char *hostname, int hostname_size, | |
312 | int *port_ptr, | |
313 | char *path, int path_size, | |
314 | const char *url); | |
315 | ||
316 | #endif /* HAVE_AV_CONFIG_H */ | |
317 | ||
318 | #endif /* AVFORMAT_H */ |