2 * copyright (c) 2001 Fabrice Bellard
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef AVFORMAT_INTERNAL_H
22 #define AVFORMAT_INTERNAL_H
27 char *ff_data_to_hex(char *buf, const uint8_t *src, int size);
29 void av_program_add_stream_index(AVFormatContext *ac, int progid, unsigned int idx);
32 * Add packet to AVFormatContext->packet_buffer list, determining its
33 * interleaved position using compare() function argument.
35 void ff_interleave_add_packet(AVFormatContext *s, AVPacket *pkt,
36 int (*compare)(AVFormatContext *, AVPacket *, AVPacket *));
38 void av_read_frame_flush(AVFormatContext *s);
40 /** Gets the current time since NTP epoch in microseconds. */
41 uint64_t ff_ntp_time(void);
44 * Probes a bytestream to determine the input format. Each time a probe returns
45 * with a score that is too low, the probe buffer size is increased and another
46 * attempt is made. When the maximum probe size is reached, the input format
47 * with the highest score is returned.
49 * @param pb the bytestream to probe, it may be closed and opened again
50 * @param fmt the input format is put here
51 * @param filename the filename of the stream
52 * @param logctx the log context
53 * @param offset the offset within the bytestream to probe from
54 * @param max_probe_size the maximum probe buffer size (zero for default)
55 * @return 0 in case of success, a negative value corresponding to an
56 * AVERROR code otherwise
58 int ff_probe_input_buffer(ByteIOContext **pb, AVInputFormat **fmt,
59 const char *filename, void *logctx,
60 unsigned int offset, unsigned int max_probe_size);
63 * Splits a URL string into components. To reassemble components back into
64 * a URL, use ff_url_join instead of using snprintf directly.
66 * The pointers to buffers for storing individual components may be null,
67 * in order to ignore that component. Buffers for components not found are
68 * set to empty strings. If the port isn't found, it is set to a negative
73 * @param proto the buffer for the protocol
74 * @param proto_size the size of the proto buffer
75 * @param authorization the buffer for the authorization
76 * @param authorization_size the size of the authorization buffer
77 * @param hostname the buffer for the host name
78 * @param hostname_size the size of the hostname buffer
79 * @param port_ptr a pointer to store the port number in
80 * @param path the buffer for the path
81 * @param path_size the size of the path buffer
82 * @param url the URL to split
84 void ff_url_split(char *proto, int proto_size,
85 char *authorization, int authorization_size,
86 char *hostname, int hostname_size,
88 char *path, int path_size,
92 * Assembles a URL string from components. This is the reverse operation
95 * Note, this requires networking to be initialized, so the caller must
96 * ensure ff_network_init has been called.
100 * @param str the buffer to fill with the url
101 * @param size the size of the str buffer
102 * @param proto the protocol identifier, if null, the separator
103 * after the identifier is left out, too
104 * @param authorization an optional authorization string, may be null
105 * @param hostname the host name string
106 * @param port the port number, left out from the string if negative
107 * @param fmt a generic format string for everything to add after the
108 * host/port, may be null
109 * @return the number of characters written to the destination buffer
111 int ff_url_join(char *str, int size, const char *proto,
112 const char *authorization, const char *hostname,
113 int port, const char *fmt, ...);
115 #endif /* AVFORMAT_INTERNAL_H */