mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
118 lines
4.6 KiB
118 lines
4.6 KiB
/* |
|
* 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" |
|
|
|
char *ff_data_to_hex(char *buf, const uint8_t *src, int size); |
|
|
|
void av_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 av_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 */
|
|
|