mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-25 08:42:39 +00:00
141 lines
5.3 KiB
C
141 lines
5.3 KiB
C
/*
|
|
* copyright (c) 2001 Fabrice Bellard
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef AVFORMAT_INTERNAL_H
|
|
#define AVFORMAT_INTERNAL_H
|
|
|
|
#include <stdint.h>
|
|
#include "avformat.h"
|
|
|
|
void ff_dynarray_add(intptr_t **tab_ptr, int *nb_ptr, intptr_t elem);
|
|
|
|
#ifdef __GNUC__
|
|
#define dynarray_add(tab, nb_ptr, elem)\
|
|
do {\
|
|
__typeof__(tab) _tab = (tab);\
|
|
__typeof__(elem) _elem = (elem);\
|
|
(void)sizeof(**_tab == _elem); /* check that types are compatible */\
|
|
ff_dynarray_add((intptr_t **)_tab, nb_ptr, (intptr_t)_elem);\
|
|
} while(0)
|
|
#else
|
|
#define dynarray_add(tab, nb_ptr, elem)\
|
|
do {\
|
|
ff_dynarray_add((intptr_t **)(tab), nb_ptr, (intptr_t)(elem));\
|
|
} while(0)
|
|
#endif
|
|
|
|
time_t mktimegm(struct tm *tm);
|
|
struct tm *brktimegm(time_t secs, struct tm *tm);
|
|
const char *small_strptime(const char *p, const char *fmt,
|
|
struct tm *dt);
|
|
|
|
char *ff_data_to_hex(char *buf, const uint8_t *src, int size, int lowercase);
|
|
|
|
void ff_program_add_stream_index(AVFormatContext *ac, int progid, unsigned int idx);
|
|
|
|
/**
|
|
* Add packet to AVFormatContext->packet_buffer list, determining its
|
|
* interleaved position using compare() function argument.
|
|
*/
|
|
void ff_interleave_add_packet(AVFormatContext *s, AVPacket *pkt,
|
|
int (*compare)(AVFormatContext *, AVPacket *, AVPacket *));
|
|
|
|
void ff_read_frame_flush(AVFormatContext *s);
|
|
|
|
#define NTP_OFFSET 2208988800ULL
|
|
#define NTP_OFFSET_US (NTP_OFFSET * 1000000ULL)
|
|
|
|
/** Gets the current time since NTP epoch in microseconds. */
|
|
uint64_t ff_ntp_time(void);
|
|
|
|
/**
|
|
* Probes a bytestream to determine the input format. Each time a probe returns
|
|
* with a score that is too low, the probe buffer size is increased and another
|
|
* attempt is made. When the maximum probe size is reached, the input format
|
|
* with the highest score is returned.
|
|
*
|
|
* @param pb the bytestream to probe, it may be closed and opened again
|
|
* @param fmt the input format is put here
|
|
* @param filename the filename of the stream
|
|
* @param logctx the log context
|
|
* @param offset the offset within the bytestream to probe from
|
|
* @param max_probe_size the maximum probe buffer size (zero for default)
|
|
* @return 0 in case of success, a negative value corresponding to an
|
|
* AVERROR code otherwise
|
|
*/
|
|
int ff_probe_input_buffer(ByteIOContext **pb, AVInputFormat **fmt,
|
|
const char *filename, void *logctx,
|
|
unsigned int offset, unsigned int max_probe_size);
|
|
|
|
/**
|
|
* Splits a URL string into components. To reassemble components back into
|
|
* a URL, use ff_url_join instead of using snprintf directly.
|
|
*
|
|
* The pointers to buffers for storing individual components may be null,
|
|
* in order to ignore that component. Buffers for components not found are
|
|
* set to empty strings. If the port isn't found, it is set to a negative
|
|
* value.
|
|
*
|
|
* @see ff_url_join
|
|
*
|
|
* @param proto the buffer for the protocol
|
|
* @param proto_size the size of the proto buffer
|
|
* @param authorization the buffer for the authorization
|
|
* @param authorization_size the size of the authorization buffer
|
|
* @param hostname the buffer for the host name
|
|
* @param hostname_size the size of the hostname buffer
|
|
* @param port_ptr a pointer to store the port number in
|
|
* @param path the buffer for the path
|
|
* @param path_size the size of the path buffer
|
|
* @param url the URL to split
|
|
*/
|
|
void ff_url_split(char *proto, int proto_size,
|
|
char *authorization, int authorization_size,
|
|
char *hostname, int hostname_size,
|
|
int *port_ptr,
|
|
char *path, int path_size,
|
|
const char *url);
|
|
|
|
/**
|
|
* Assembles a URL string from components. This is the reverse operation
|
|
* of ff_url_split.
|
|
*
|
|
* Note, this requires networking to be initialized, so the caller must
|
|
* ensure ff_network_init has been called.
|
|
*
|
|
* @see ff_url_split
|
|
*
|
|
* @param str the buffer to fill with the url
|
|
* @param size the size of the str buffer
|
|
* @param proto the protocol identifier, if null, the separator
|
|
* after the identifier is left out, too
|
|
* @param authorization an optional authorization string, may be null
|
|
* @param hostname the host name string
|
|
* @param port the port number, left out from the string if negative
|
|
* @param fmt a generic format string for everything to add after the
|
|
* host/port, may be null
|
|
* @return the number of characters written to the destination buffer
|
|
*/
|
|
int ff_url_join(char *str, int size, const char *proto,
|
|
const char *authorization, const char *hostname,
|
|
int port, const char *fmt, ...);
|
|
|
|
#endif /* AVFORMAT_INTERNAL_H */
|