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"atomic bomb" commit. Reorganized OpenCV directory structure

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This commit is contained in:
Vadim Pisarevsky
2010-05-11 17:44:00 +00:00
commit 127d6649a1
1761 changed files with 1766340 additions and 0 deletions
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30
3rdparty/include/ffmpeg_/adler32.h vendored Normal file
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/*
* copyright (c) 2006 Mans Rullgard
*
* 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 AVUTIL_ADLER32_H
#define AVUTIL_ADLER32_H
#include <stdint.h>
#include "common.h"
unsigned long av_adler32_update(unsigned long adler, const uint8_t *buf,
unsigned int len) av_pure;
#endif /* AVUTIL_ADLER32_H */

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/*
* 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 AVDEVICE_AVDEVICE_H
#define AVDEVICE_AVDEVICE_H
#define LIBAVDEVICE_VERSION_MAJOR 52
#define LIBAVDEVICE_VERSION_MINOR 1
#define LIBAVDEVICE_VERSION_MICRO 0
#define LIBAVDEVICE_VERSION_INT AV_VERSION_INT(LIBAVDEVICE_VERSION_MAJOR, \
LIBAVDEVICE_VERSION_MINOR, \
LIBAVDEVICE_VERSION_MICRO)
#define LIBAVDEVICE_VERSION AV_VERSION(LIBAVDEVICE_VERSION_MAJOR, \
LIBAVDEVICE_VERSION_MINOR, \
LIBAVDEVICE_VERSION_MICRO)
#define LIBAVDEVICE_BUILD LIBAVDEVICE_VERSION_INT
/**
* Returns the LIBAVDEVICE_VERSION_INT constant.
*/
unsigned avdevice_version(void);
/**
* Initialize libavdevice and register all the input and output devices.
* @warning This function is not thread safe.
*/
void avdevice_register_all(void);
#endif /* AVDEVICE_AVDEVICE_H */

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3rdparty/include/ffmpeg_/avio.h vendored Normal file
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/*
* 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_AVIO_H
#define AVFORMAT_AVIO_H
/**
* @file libavformat/avio.h
* unbuffered I/O operations
*
* @warning This file has to be considered an internal but installed
* header, so it should not be directly included in your projects.
*/
//#include <stdint.h>
#include "common.h"
/* unbuffered I/O */
/**
* URL Context.
* New fields can be added to the end with minor version bumps.
* Removal, reordering and changes to existing fields require a major
* version bump.
* sizeof(URLContext) must not be used outside libav*.
*/
struct URLContext {
#if LIBAVFORMAT_VERSION_MAJOR >= 53
const AVClass *av_class; ///< information for av_log(). Set by url_open().
#endif
struct URLProtocol *prot;
int flags;
int is_streamed; /**< true if streamed (no seek possible), default = false */
int max_packet_size; /**< if non zero, the stream is packetized with this max packet size */
void *priv_data;
char *filename; /**< specified filename */
};
typedef struct URLContext URLContext;
typedef struct URLPollEntry {
URLContext *handle;
int events;
int revents;
} URLPollEntry;
#define URL_RDONLY 0
#define URL_WRONLY 1
#define URL_RDWR 2
typedef int URLInterruptCB(void);
int url_open_protocol (URLContext **puc, struct URLProtocol *up,
const char *filename, int flags);
int url_open(URLContext **h, const char *filename, int flags);
int url_read(URLContext *h, unsigned char *buf, int size);
int url_write(URLContext *h, unsigned char *buf, int size);
int64_t url_seek(URLContext *h, int64_t pos, int whence);
int url_close(URLContext *h);
int url_exist(const char *filename);
int64_t url_filesize(URLContext *h);
/**
* Return the maximum packet size associated to packetized file
* handle. If the file is not packetized (stream like HTTP or file on
* disk), then 0 is returned.
*
* @param h file handle
* @return maximum packet size in bytes
*/
int url_get_max_packet_size(URLContext *h);
void url_get_filename(URLContext *h, char *buf, int buf_size);
/**
* The callback is called in blocking functions to test regulary if
* asynchronous interruption is needed. AVERROR(EINTR) is returned
* in this case by the interrupted function. 'NULL' means no interrupt
* callback is given.
*/
void url_set_interrupt_cb(URLInterruptCB *interrupt_cb);
/* not implemented */
int url_poll(URLPollEntry *poll_table, int n, int timeout);
/**
* Pause and resume playing - only meaningful if using a network streaming
* protocol (e.g. MMS).
* @param pause 1 for pause, 0 for resume
*/
int av_url_read_pause(URLContext *h, int pause);
/**
* Seek to a given timestamp relative to some component stream.
* Only meaningful if using a network streaming protocol (e.g. MMS.).
* @param stream_index The stream index that the timestamp is relative to.
* If stream_index is (-1) the timestamp should be in AV_TIME_BASE
* units from the beginning of the presentation.
* If a stream_index >= 0 is used and the protocol does not support
* seeking based on component streams, the call will fail with ENOTSUP.
* @param timestamp timestamp in AVStream.time_base units
* or if there is no stream specified then in AV_TIME_BASE units.
* @param flags Optional combination of AVSEEK_FLAG_BACKWARD, AVSEEK_FLAG_BYTE
* and AVSEEK_FLAG_ANY. The protocol may silently ignore
* AVSEEK_FLAG_BACKWARD and AVSEEK_FLAG_ANY, but AVSEEK_FLAG_BYTE will
* fail with ENOTSUP if used and not supported.
* @return >= 0 on success
* @see AVInputFormat::read_seek
*/
int64_t av_url_read_seek(URLContext *h, int stream_index,
int64_t timestamp, int flags);
/**
* Passing this as the "whence" parameter to a seek function causes it to
* return the filesize without seeking anywhere. Supporting this is optional.
* If it is not supported then the seek function will return <0.
*/
#define AVSEEK_SIZE 0x10000
typedef struct URLProtocol {
const char *name;
int (*url_open)(URLContext *h, const char *filename, int flags);
int (*url_read)(URLContext *h, unsigned char *buf, int size);
int (*url_write)(URLContext *h, unsigned char *buf, int size);
int64_t (*url_seek)(URLContext *h, int64_t pos, int whence);
int (*url_close)(URLContext *h);
struct URLProtocol *next;
int (*url_read_pause)(URLContext *h, int pause);
int64_t (*url_read_seek)(URLContext *h, int stream_index,
int64_t timestamp, int flags);
} URLProtocol;
#if LIBAVFORMAT_VERSION_MAJOR < 53
extern URLProtocol *first_protocol;
#endif
extern URLInterruptCB *url_interrupt_cb;
/**
* If protocol is NULL, returns the first registered protocol,
* if protocol is non-NULL, returns the next registered protocol after protocol,
* or NULL if protocol is the last one.
*/
URLProtocol *av_protocol_next(URLProtocol *p);
#if LIBAVFORMAT_VERSION_MAJOR < 53
/**
* @deprecated Use av_register_protocol() instead.
*/
attribute_deprecated int register_protocol(URLProtocol *protocol);
#endif
int av_register_protocol(URLProtocol *protocol);
/**
* Bytestream IO Context.
* New fields can be added to the end with minor version bumps.
* Removal, reordering and changes to existing fields require a major
* version bump.
* sizeof(ByteIOContext) must not be used outside libav*.
*/
typedef struct {
unsigned char *buffer;
int buffer_size;
unsigned char *buf_ptr, *buf_end;
void *opaque;
int (*read_packet)(void *opaque, uint8_t *buf, int buf_size);
int (*write_packet)(void *opaque, uint8_t *buf, int buf_size);
int64_t (*seek)(void *opaque, int64_t offset, int whence);
int64_t pos; /**< position in the file of the current buffer */
int must_flush; /**< true if the next seek should flush */
int eof_reached; /**< true if eof reached */
int write_flag; /**< true if open for writing */
int is_streamed;
int max_packet_size;
unsigned long checksum;
unsigned char *checksum_ptr;
unsigned long (*update_checksum)(unsigned long checksum, const uint8_t *buf, unsigned int size);
int error; ///< contains the error code or 0 if no error happened
int (*read_pause)(void *opaque, int pause);
int64_t (*read_seek)(void *opaque, int stream_index,
int64_t timestamp, int flags);
} ByteIOContext;
int init_put_byte(ByteIOContext *s,
unsigned char *buffer,
int buffer_size,
int write_flag,
void *opaque,
int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),
int (*write_packet)(void *opaque, uint8_t *buf, int buf_size),
int64_t (*seek)(void *opaque, int64_t offset, int whence));
ByteIOContext *av_alloc_put_byte(
unsigned char *buffer,
int buffer_size,
int write_flag,
void *opaque,
int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),
int (*write_packet)(void *opaque, uint8_t *buf, int buf_size),
int64_t (*seek)(void *opaque, int64_t offset, int whence));
void put_byte(ByteIOContext *s, int b);
void put_buffer(ByteIOContext *s, const unsigned char *buf, int size);
void put_le64(ByteIOContext *s, uint64_t val);
void put_be64(ByteIOContext *s, uint64_t val);
void put_le32(ByteIOContext *s, unsigned int val);
void put_be32(ByteIOContext *s, unsigned int val);
void put_le24(ByteIOContext *s, unsigned int val);
void put_be24(ByteIOContext *s, unsigned int val);
void put_le16(ByteIOContext *s, unsigned int val);
void put_be16(ByteIOContext *s, unsigned int val);
void put_tag(ByteIOContext *s, const char *tag);
void put_strz(ByteIOContext *s, const char *buf);
/**
* fseek() equivalent for ByteIOContext.
* @return new position or AVERROR.
*/
int64_t url_fseek(ByteIOContext *s, int64_t offset, int whence);
/**
* Skip given number of bytes forward.
* @param offset number of bytes
*/
void url_fskip(ByteIOContext *s, int64_t offset);
/**
* ftell() equivalent for ByteIOContext.
* @return position or AVERROR.
*/
int64_t url_ftell(ByteIOContext *s);
/**
* Gets the filesize.
* @return filesize or AVERROR
*/
int64_t url_fsize(ByteIOContext *s);
/**
* feof() equivalent for ByteIOContext.
* @return non zero if and only if end of file
*/
int url_feof(ByteIOContext *s);
int url_ferror(ByteIOContext *s);
int av_url_read_fpause(ByteIOContext *h, int pause);
int64_t av_url_read_fseek(ByteIOContext *h, int stream_index,
int64_t timestamp, int flags);
#define URL_EOF (-1)
/** @note return URL_EOF (-1) if EOF */
int url_fgetc(ByteIOContext *s);
/** @warning currently size is limited */
#ifdef __GNUC__
int url_fprintf(ByteIOContext *s, const char *fmt, ...) __attribute__ ((__format__ (__printf__, 2, 3)));
#else
int url_fprintf(ByteIOContext *s, const char *fmt, ...);
#endif
/** @note unlike fgets, the EOL character is not returned and a whole
line is parsed. return NULL if first char read was EOF */
char *url_fgets(ByteIOContext *s, char *buf, int buf_size);
void put_flush_packet(ByteIOContext *s);
/**
* Reads size bytes from ByteIOContext into buf.
* @returns number of bytes read or AVERROR
*/
int get_buffer(ByteIOContext *s, unsigned char *buf, int size);
/**
* Reads size bytes from ByteIOContext into buf.
* This reads at most 1 packet. If that is not enough fewer bytes will be
* returned.
* @returns number of bytes read or AVERROR
*/
int get_partial_buffer(ByteIOContext *s, unsigned char *buf, int size);
/** @note return 0 if EOF, so you cannot use it if EOF handling is
necessary */
int get_byte(ByteIOContext *s);
unsigned int get_le24(ByteIOContext *s);
unsigned int get_le32(ByteIOContext *s);
uint64_t get_le64(ByteIOContext *s);
unsigned int get_le16(ByteIOContext *s);
char *get_strz(ByteIOContext *s, char *buf, int maxlen);
unsigned int get_be16(ByteIOContext *s);
unsigned int get_be24(ByteIOContext *s);
unsigned int get_be32(ByteIOContext *s);
uint64_t get_be64(ByteIOContext *s);
uint64_t ff_get_v(ByteIOContext *bc);
static inline int url_is_streamed(ByteIOContext *s)
{
return s->is_streamed;
}
/** @note when opened as read/write, the buffers are only used for
writing */
int url_fdopen(ByteIOContext **s, URLContext *h);
/** @warning must be called before any I/O */
int url_setbufsize(ByteIOContext *s, int buf_size);
/** Reset the buffer for reading or writing.
* @note Will drop any data currently in the buffer without transmitting it.
* @param flags URL_RDONLY to set up the buffer for reading, or URL_WRONLY
* to set up the buffer for writing. */
int url_resetbuf(ByteIOContext *s, int flags);
/** @note when opened as read/write, the buffers are only used for
writing */
int url_fopen(ByteIOContext **s, const char *filename, int flags);
int url_fclose(ByteIOContext *s);
URLContext *url_fileno(ByteIOContext *s);
/**
* Return the maximum packet size associated to packetized buffered file
* handle. If the file is not packetized (stream like http or file on
* disk), then 0 is returned.
*
* @param s buffered file handle
* @return maximum packet size in bytes
*/
int url_fget_max_packet_size(ByteIOContext *s);
int url_open_buf(ByteIOContext **s, uint8_t *buf, int buf_size, int flags);
/** return the written or read size */
int url_close_buf(ByteIOContext *s);
/**
* Open a write only memory stream.
*
* @param s new IO context
* @return zero if no error.
*/
int url_open_dyn_buf(ByteIOContext **s);
/**
* Open a write only packetized memory stream with a maximum packet
* size of 'max_packet_size'. The stream is stored in a memory buffer
* with a big endian 4 byte header giving the packet size in bytes.
*
* @param s new IO context
* @param max_packet_size maximum packet size (must be > 0)
* @return zero if no error.
*/
int url_open_dyn_packet_buf(ByteIOContext **s, int max_packet_size);
/**
* Return the written size and a pointer to the buffer. The buffer
* must be freed with av_free().
* @param s IO context
* @param pbuffer pointer to a byte buffer
* @return the length of the byte buffer
*/
int url_close_dyn_buf(ByteIOContext *s, uint8_t **pbuffer);
unsigned long ff_crc04C11DB7_update(unsigned long checksum, const uint8_t *buf,
unsigned int len);
unsigned long get_checksum(ByteIOContext *s);
void init_checksum(ByteIOContext *s,
unsigned long (*update_checksum)(unsigned long c, const uint8_t *p, unsigned int len),
unsigned long checksum);
/* udp.c */
int udp_set_remote_url(URLContext *h, const char *uri);
int udp_get_local_port(URLContext *h);
int udp_get_file_handle(URLContext *h);
#endif /* AVFORMAT_AVIO_H */

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/*
* Copyright (c) 2007 Mans Rullgard
*
* 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 AVUTIL_AVSTRING_H
#define AVUTIL_AVSTRING_H
#include <stddef.h>
/**
* Return non-zero if pfx is a prefix of str. If it is, *ptr is set to
* the address of the first character in str after the prefix.
*
* @param str input string
* @param pfx prefix to test
* @param ptr updated if the prefix is matched inside str
* @return non-zero if the prefix matches, zero otherwise
*/
int av_strstart(const char *str, const char *pfx, const char **ptr);
/**
* Return non-zero if pfx is a prefix of str independent of case. If
* it is, *ptr is set to the address of the first character in str
* after the prefix.
*
* @param str input string
* @param pfx prefix to test
* @param ptr updated if the prefix is matched inside str
* @return non-zero if the prefix matches, zero otherwise
*/
int av_stristart(const char *str, const char *pfx, const char **ptr);
/**
* Copy the string src to dst, but no more than size - 1 bytes, and
* null-terminate dst.
*
* This function is the same as BSD strlcpy().
*
* @param dst destination buffer
* @param src source string
* @param size size of destination buffer
* @return the length of src
*/
size_t av_strlcpy(char *dst, const char *src, size_t size);
/**
* Append the string src to the string dst, but to a total length of
* no more than size - 1 bytes, and null-terminate dst.
*
* This function is similar to BSD strlcat(), but differs when
* size <= strlen(dst).
*
* @param dst destination buffer
* @param src source string
* @param size size of destination buffer
* @return the total length of src and dst
*/
size_t av_strlcat(char *dst, const char *src, size_t size);
/**
* Append output to a string, according to a format. Never write out of
* the destination buffer, and and always put a terminating 0 within
* the buffer.
* @param dst destination buffer (string to which the output is
* appended)
* @param size total size of the destination buffer
* @param fmt printf-compatible format string, specifying how the
* following parameters are used
* @return the length of the string that would have been generated
* if enough space had been available
*/
size_t av_strlcatf(char *dst, size_t size, const char *fmt, ...);
#endif /* AVUTIL_AVSTRING_H */

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/*
* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
*
* 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 AVUTIL_AVUTIL_H
#define AVUTIL_AVUTIL_H
/**
* @file libavutil/avutil.h
* external API header
*/
#define AV_STRINGIFY(s) AV_TOSTRING(s)
#define AV_TOSTRING(s) #s
#define AV_VERSION_INT(a, b, c) (a<<16 | b<<8 | c)
#define AV_VERSION_DOT(a, b, c) a ##.## b ##.## c
#define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c)
#define LIBAVUTIL_VERSION_MAJOR 49
#define LIBAVUTIL_VERSION_MINOR 15
#define LIBAVUTIL_VERSION_MICRO 0
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
LIBAVUTIL_VERSION_MINOR, \
LIBAVUTIL_VERSION_MICRO)
#define LIBAVUTIL_VERSION AV_VERSION(LIBAVUTIL_VERSION_MAJOR, \
LIBAVUTIL_VERSION_MINOR, \
LIBAVUTIL_VERSION_MICRO)
#define LIBAVUTIL_BUILD LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_IDENT "Lavu" AV_STRINGIFY(LIBAVUTIL_VERSION)
/**
* Returns the LIBAVUTIL_VERSION_INT constant.
*/
unsigned avutil_version(void);
#include "common.h"
#include "mathematics.h"
#include "rational.h"
#include "intfloat_readwrite.h"
#include "log.h"
#include "pixfmt.h"
#endif /* AVUTIL_AVUTIL_H */

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/*
* Copyright (c) 2006 Ryan Martell. (rdm4@martellventures.com)
*
* 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 AVUTIL_BASE64_H
#define AVUTIL_BASE64_H
#include <stdint.h>
/**
* Decodes the base64-encoded string in \p in and puts the decoded
* data in \p out.
*
* @param out_size size in bytes of the \p out buffer, it should be at
* least 3/4 of the length of \p in
* @return the number of bytes written, or a negative value in case of
* error
*/
int av_base64_decode(uint8_t *out, const char *in, int out_size);
/**
* Encodes in base64 the data in \p in and puts the resulting string
* in \p out.
*
* @param out_size size in bytes of the \p out string, it should be at
* least ((\p in_size + 2) / 3) * 4 + 1
* @param in_size size in bytes of the \p in buffer
* @return the string containing the encoded data, or NULL in case of
* error
*/
char *av_base64_encode(char *out, int out_size, const uint8_t *in, int in_size);
#endif /* AVUTIL_BASE64_H */

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/*
* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
*
* 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
*/
/**
* @file libavutil/common.h
* common internal and external API header
*/
#ifndef AVUTIL_COMMON_H
#define AVUTIL_COMMON_H
#include <ctype.h>
#include <errno.h>
//#include <inttypes.h>
#include <limits.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef __GNUC__
# define AV_GCC_VERSION_AT_LEAST(x,y) (__GNUC__ > x || __GNUC__ == x && __GNUC_MINOR__ >= y)
#else
# define AV_GCC_VERSION_AT_LEAST(x,y) 0
#endif
#ifndef av_always_inline
#if AV_GCC_VERSION_AT_LEAST(3,1)
# define av_always_inline __attribute__((always_inline)) inline
#else
# define av_always_inline inline
#endif
#endif
#ifndef av_noinline
#if AV_GCC_VERSION_AT_LEAST(3,1)
# define av_noinline __attribute__((noinline))
#else
# define av_noinline
#endif
#endif
#ifndef av_pure
#if AV_GCC_VERSION_AT_LEAST(3,1)
# define av_pure __attribute__((pure))
#else
# define av_pure
#endif
#endif
#ifndef av_const
#if AV_GCC_VERSION_AT_LEAST(2,6)
# define av_const __attribute__((const))
#else
# define av_const
#endif
#endif
#ifndef av_cold
#if (!defined(__ICC) || __ICC > 1100) && AV_GCC_VERSION_AT_LEAST(4,3)
# define av_cold __attribute__((cold))
#else
# define av_cold
#endif
#endif
#ifndef av_flatten
#if AV_GCC_VERSION_AT_LEAST(4,1)
# define av_flatten __attribute__((flatten))
#else
# define av_flatten
#endif
#endif
#ifndef attribute_deprecated
#if AV_GCC_VERSION_AT_LEAST(3,1)
# define attribute_deprecated __attribute__((deprecated))
#else
# define attribute_deprecated
#endif
#endif
#ifndef av_unused
#if defined(__GNUC__)
# define av_unused __attribute__((unused))
#else
# define av_unused
#endif
#endif
#ifndef av_uninit
#if defined(__GNUC__) && !defined(__ICC)
# define av_uninit(x) x=x
#else
# define av_uninit(x) x
#endif
#endif
//rounded division & shift
#define RSHIFT(a,b) ((a) > 0 ? ((a) + ((1<<(b))>>1))>>(b) : ((a) + ((1<<(b))>>1)-1)>>(b))
/* assume b>0 */
#define ROUNDED_DIV(a,b) (((a)>0 ? (a) + ((b)>>1) : (a) - ((b)>>1))/(b))
#define FFABS(a) ((a) >= 0 ? (a) : (-(a)))
#define FFSIGN(a) ((a) > 0 ? 1 : -1)
#define FFMAX(a,b) ((a) > (b) ? (a) : (b))
#define FFMAX3(a,b,c) FFMAX(FFMAX(a,b),c)
#define FFMIN(a,b) ((a) > (b) ? (b) : (a))
#define FFMIN3(a,b,c) FFMIN(FFMIN(a,b),c)
#define FFSWAP(type,a,b) do{type SWAP_tmp= b; b= a; a= SWAP_tmp;}while(0)
#define FF_ARRAY_ELEMS(a) (sizeof(a) / sizeof((a)[0]))
/* misc math functions */
extern const uint8_t ff_log2_tab[256];
static inline av_const int av_log2(unsigned int v)
{
int n = 0;
if (v & 0xffff0000) {
v >>= 16;
n += 16;
}
if (v & 0xff00) {
v >>= 8;
n += 8;
}
n += ff_log2_tab[v];
return n;
}
static inline av_const int av_log2_16bit(unsigned int v)
{
int n = 0;
if (v & 0xff00) {
v >>= 8;
n += 8;
}
n += ff_log2_tab[v];
return n;
}
/**
* Clips a signed integer value into the amin-amax range.
* @param a value to clip
* @param amin minimum value of the clip range
* @param amax maximum value of the clip range
* @return clipped value
*/
static inline av_const int av_clip(int a, int amin, int amax)
{
if (a < amin) return amin;
else if (a > amax) return amax;
else return a;
}
/**
* Clips a signed integer value into the 0-255 range.
* @param a value to clip
* @return clipped value
*/
static inline av_const uint8_t av_clip_uint8(int a)
{
if (a&(~255)) return (-a)>>31;
else return a;
}
/**
* Clips a signed integer value into the -32768,32767 range.
* @param a value to clip
* @return clipped value
*/
static inline av_const int16_t av_clip_int16(int a)
{
if ((a+32768) & ~65535) return (a>>31) ^ 32767;
else return a;
}
/**
* Clips a float value into the amin-amax range.
* @param a value to clip
* @param amin minimum value of the clip range
* @param amax maximum value of the clip range
* @return clipped value
*/
static inline av_const float av_clipf(float a, float amin, float amax)
{
if (a < amin) return amin;
else if (a > amax) return amax;
else return a;
}
#define MKTAG(a,b,c,d) (a | (b << 8) | (c << 16) | (d << 24))
#define MKBETAG(a,b,c,d) (d | (c << 8) | (b << 16) | (a << 24))
/*!
* \def GET_UTF8(val, GET_BYTE, ERROR)
* Converts a UTF-8 character (up to 4 bytes long) to its 32-bit UCS-4 encoded form
* \param val is the output and should be of type uint32_t. It holds the converted
* UCS-4 character and should be a left value.
* \param GET_BYTE gets UTF-8 encoded bytes from any proper source. It can be
* a function or a statement whose return value or evaluated value is of type
* uint8_t. It will be executed up to 4 times for values in the valid UTF-8 range,
* and up to 7 times in the general case.
* \param ERROR action that should be taken when an invalid UTF-8 byte is returned
* from GET_BYTE. It should be a statement that jumps out of the macro,
* like exit(), goto, return, break, or continue.
*/
#define GET_UTF8(val, GET_BYTE, ERROR)\
val= GET_BYTE;\
{\
int ones= 7 - av_log2(val ^ 255);\
if(ones==1)\
ERROR\
val&= 127>>ones;\
while(--ones > 0){\
int tmp= GET_BYTE - 128;\
if(tmp>>6)\
ERROR\
val= (val<<6) + tmp;\
}\
}
/*!
* \def PUT_UTF8(val, tmp, PUT_BYTE)
* Converts a 32-bit Unicode character to its UTF-8 encoded form (up to 4 bytes long).
* \param val is an input-only argument and should be of type uint32_t. It holds
* a UCS-4 encoded Unicode character that is to be converted to UTF-8. If
* val is given as a function it is executed only once.
* \param tmp is a temporary variable and should be of type uint8_t. It
* represents an intermediate value during conversion that is to be
* output by PUT_BYTE.
* \param PUT_BYTE writes the converted UTF-8 bytes to any proper destination.
* It could be a function or a statement, and uses tmp as the input byte.
* For example, PUT_BYTE could be "*output++ = tmp;" PUT_BYTE will be
* executed up to 4 times for values in the valid UTF-8 range and up to
* 7 times in the general case, depending on the length of the converted
* Unicode character.
*/
#define PUT_UTF8(val, tmp, PUT_BYTE)\
{\
int bytes, shift;\
uint32_t in = val;\
if (in < 0x80) {\
tmp = in;\
PUT_BYTE\
} else {\
bytes = (av_log2(in) + 4) / 5;\
shift = (bytes - 1) * 6;\
tmp = (256 - (256 >> bytes)) | (in >> shift);\
PUT_BYTE\
while (shift >= 6) {\
shift -= 6;\
tmp = 0x80 | ((in >> shift) & 0x3f);\
PUT_BYTE\
}\
}\
}
#include "mem.h"
#ifdef HAVE_AV_CONFIG_H
# include "config.h"
# include "internal.h"
#endif /* HAVE_AV_CONFIG_H */
#endif /* AVUTIL_COMMON_H */

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/*
* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
*
* 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 AVUTIL_CRC_H
#define AVUTIL_CRC_H
#include <stdint.h>
#include <stddef.h>
#include "common.h"
typedef uint32_t AVCRC;
typedef enum {
AV_CRC_8_ATM,
AV_CRC_16_ANSI,
AV_CRC_16_CCITT,
AV_CRC_32_IEEE,
AV_CRC_32_IEEE_LE, /*< reversed bitorder version of AV_CRC_32_IEEE */
AV_CRC_MAX, /*< Not part of public API! Do not use outside libavutil. */
}AVCRCId;
int av_crc_init(AVCRC *ctx, int le, int bits, uint32_t poly, int ctx_size);
const AVCRC *av_crc_get_table(AVCRCId crc_id);
uint32_t av_crc(const AVCRC *ctx, uint32_t start_crc, const uint8_t *buffer, size_t length) av_pure;
#endif /* AVUTIL_CRC_H */

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/*
* 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
*/
/**
* @file libavutil/fifo.h
* a very simple circular buffer FIFO implementation
*/
#ifndef AVUTIL_FIFO_H
#define AVUTIL_FIFO_H
#include <stdint.h>
#include "avutil.h"
#include "common.h"
typedef struct AVFifoBuffer {
uint8_t *buffer;
uint8_t *rptr, *wptr, *end;
} AVFifoBuffer;
/**
* Initializes an AVFifoBuffer.
* @param *f AVFifoBuffer to initialize
* @param size of FIFO
* @return <0 for failure >=0 otherwise
*/
int av_fifo_init(AVFifoBuffer *f, unsigned int size);
/**
* Frees an AVFifoBuffer.
* @param *f AVFifoBuffer to free
*/
void av_fifo_free(AVFifoBuffer *f);
/**
* Returns the amount of data in bytes in the AVFifoBuffer, that is the
* amount of data you can read from it.
* @param *f AVFifoBuffer to read from
* @return size
*/
int av_fifo_size(AVFifoBuffer *f);
/**
* Reads data from an AVFifoBuffer.
* @param *f AVFifoBuffer to read from
* @param *buf data destination
* @param buf_size number of bytes to read
*/
int av_fifo_read(AVFifoBuffer *f, uint8_t *buf, int buf_size);
/**
* Feeds data from an AVFifoBuffer to a user-supplied callback.
* @param *f AVFifoBuffer to read from
* @param buf_size number of bytes to read
* @param *func generic read function
* @param *dest data destination
*/
int av_fifo_generic_read(AVFifoBuffer *f, int buf_size, void (*func)(void*, void*, int), void* dest);
#if LIBAVUTIL_VERSION_MAJOR < 50
/**
* Writes data into an AVFifoBuffer.
* @param *f AVFifoBuffer to write to
* @param *buf data source
* @param size data size
*/
attribute_deprecated void av_fifo_write(AVFifoBuffer *f, const uint8_t *buf, int size);
#endif
/**
* Feeds data from a user-supplied callback to an AVFifoBuffer.
* @param *f AVFifoBuffer to write to
* @param *src data source
* @param size number of bytes to write
* @param *func generic write function; the first parameter is src,
* the second is dest_buf, the third is dest_buf_size.
* func must return the number of bytes written to dest_buf, or <= 0 to
* indicate no more data available to write.
* If func is NULL, src is interpreted as a simple byte array for source data.
* @return the number of bytes written to the FIFO
*/
int av_fifo_generic_write(AVFifoBuffer *f, void *src, int size, int (*func)(void*, void*, int));
#if LIBAVUTIL_VERSION_MAJOR < 50
/**
* Resizes an AVFifoBuffer.
* @param *f AVFifoBuffer to resize
* @param size new AVFifoBuffer size in bytes
* @see av_fifo_realloc2()
*/
attribute_deprecated void av_fifo_realloc(AVFifoBuffer *f, unsigned int size);
#endif
/**
* Resizes an AVFifoBuffer.
* @param *f AVFifoBuffer to resize
* @param size new AVFifoBuffer size in bytes
* @return <0 for failure, >=0 otherwise
*/
int av_fifo_realloc2(AVFifoBuffer *f, unsigned int size);
/**
* Reads and discards the specified amount of data from an AVFifoBuffer.
* @param *f AVFifoBuffer to read from
* @param size amount of data to read in bytes
*/
void av_fifo_drain(AVFifoBuffer *f, int size);
static inline uint8_t av_fifo_peek(AVFifoBuffer *f, int offs)
{
uint8_t *ptr = f->rptr + offs;
if (ptr >= f->end)
ptr -= f->end - f->buffer;
return *ptr;
}
#endif /* AVUTIL_FIFO_H */

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/*
* Misc image conversion routines
* most functionality is exported to the public API, see avcodec.h
*
* Copyright (c) 2008 Vitor Sessak
*
* 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 AVCODEC_IMGCONVERT_H
#define AVCODEC_IMGCONVERT_H
//#include <stdint.h>
#include "avcodec.h"
int ff_fill_linesize(AVPicture *picture, int pix_fmt, int width);
int ff_fill_pointer(AVPicture *picture, uint8_t *ptr, int pix_fmt, int height);
int ff_get_plane_bytewidth(enum PixelFormat pix_fmt, int width, int plane);
int ff_set_systematic_pal(uint32_t pal[256], enum PixelFormat pix_fmt);
int img_convert(AVPicture *dst, int dst_pix_fmt, const AVPicture *src,
int src_pix_fmt, int src_width, int src_height);
#endif /* AVCODEC_IMGCONVERT_H */

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/*
* arbitrary precision integers
* Copyright (c) 2004 Michael Niedermayer <michaelni@gmx.at>
*
* 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
*/
/**
* @file libavutil/integer.h
* arbitrary precision integers
* @author Michael Niedermayer <michaelni@gmx.at>
*/
#ifndef AVUTIL_INTEGER_H
#define AVUTIL_INTEGER_H
#include <stdint.h>
#include "common.h"
#define AV_INTEGER_SIZE 8
typedef struct AVInteger{
uint16_t v[AV_INTEGER_SIZE];
} AVInteger;
AVInteger av_add_i(AVInteger a, AVInteger b) av_const;
AVInteger av_sub_i(AVInteger a, AVInteger b) av_const;
/**
* Returns the rounded-down value of the base 2 logarithm of the given
* AVInteger. This is simply the index of the most significant bit
* which is 1, or 0 if all bits are 0.
*/
int av_log2_i(AVInteger a) av_const;
AVInteger av_mul_i(AVInteger a, AVInteger b) av_const;
/**
* Returns 0 if a==b, 1 if a>b and -1 if a<b.
*/
int av_cmp_i(AVInteger a, AVInteger b) av_const;
/**
* bitwise shift
* @param s the number of bits by which the value should be shifted right,
may be negative for shifting left
*/
AVInteger av_shr_i(AVInteger a, int s) av_const;
/**
* Returns a % b.
* @param quot a/b will be stored here.
*/
AVInteger av_mod_i(AVInteger *quot, AVInteger a, AVInteger b);
/**
* Returns a/b.
*/
AVInteger av_div_i(AVInteger a, AVInteger b) av_const;
/**
* Converts the given int64_t to an AVInteger.
*/
AVInteger av_int2i(int64_t a) av_const;
/**
* Converts the given AVInteger to an int64_t.
* If the AVInteger is too large to fit into an int64_t,
* then only the least significant 64 bits will be used.
*/
int64_t av_i2int(AVInteger a) av_const;
#endif /* AVUTIL_INTEGER_H */

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/*
* copyright (c) 2005 Michael Niedermayer <michaelni@gmx.at>
*
* 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 AVUTIL_INTFLOAT_READWRITE_H
#define AVUTIL_INTFLOAT_READWRITE_H
//#include <stdint.h>
#include "common.h"
/* IEEE 80 bits extended float */
typedef struct AVExtFloat {
uint8_t exponent[2];
uint8_t mantissa[8];
} AVExtFloat;
double av_int2dbl(int64_t v) av_const;
float av_int2flt(int32_t v) av_const;
double av_ext2dbl(const AVExtFloat ext) av_const;
int64_t av_dbl2int(double d) av_const;
int32_t av_flt2int(float d) av_const;
AVExtFloat av_dbl2ext(double d) av_const;
#endif /* AVUTIL_INTFLOAT_READWRITE_H */

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/*
* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
*
* 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 AVUTIL_LOG_H
#define AVUTIL_LOG_H
#include <stdarg.h>
#include "avutil.h"
/**
* Describes the class of an AVClass context structure. That is an
* arbitrary struct of which the first field is a pointer to an
* AVClass struct (e.g. AVCodecContext, AVFormatContext etc.).
*/
typedef struct AVCLASS AVClass;
struct AVCLASS {
/**
* The name of the class; usually it is the same name as the
* context structure type to which the AVClass is associated.
*/
const char* class_name;
/**
* A pointer to a function which returns the name of a context
* instance \p ctx associated with the class.
*/
const char* (*item_name)(void* ctx);
/**
* a pointer to the first option specified in the class if any or NULL
*
* @see av_set_default_options()
*/
const struct AVOption *option;
};
/* av_log API */
#if LIBAVUTIL_VERSION_INT < (50<<16)
#define AV_LOG_QUIET -1
#define AV_LOG_FATAL 0
#define AV_LOG_ERROR 0
#define AV_LOG_WARNING 1
#define AV_LOG_INFO 1
#define AV_LOG_VERBOSE 1
#define AV_LOG_DEBUG 2
#else
#define AV_LOG_QUIET -8
/**
* Something went really wrong and we will crash now.
*/
#define AV_LOG_PANIC 0
/**
* Something went wrong and recovery is not possible.
* For example, no header was found for a format which depends
* on headers or an illegal combination of parameters is used.
*/
#define AV_LOG_FATAL 8
/**
* Something went wrong and cannot losslessly be recovered.
* However, not all future data is affected.
*/
#define AV_LOG_ERROR 16
/**
* Something somehow does not look correct. This may or may not
* lead to problems. An example would be the use of '-vstrict -2'.
*/
#define AV_LOG_WARNING 24
#define AV_LOG_INFO 32
#define AV_LOG_VERBOSE 40
/**
* Stuff which is only useful for libav* developers.
*/
#define AV_LOG_DEBUG 48
#endif
#if LIBAVUTIL_VERSION_INT < (50<<16)
extern int av_log_level;
#endif
/**
* Sends the specified message to the log if the level is less than or equal
* to the current av_log_level. By default, all logging messages are sent to
* stderr. This behavior can be altered by setting a different av_vlog callback
* function.
*
* @param avcl A pointer to an arbitrary struct of which the first field is a
* pointer to an AVClass struct.
* @param level The importance level of the message, lower values signifying
* higher importance.
* @param fmt The format string (printf-compatible) that specifies how
* subsequent arguments are converted to output.
* @see av_vlog
*/
#ifdef __GNUC__
void av_log(void*, int level, const char *fmt, ...) __attribute__ ((__format__ (__printf__, 3, 4)));
#else
void av_log(void*, int level, const char *fmt, ...);
#endif
void av_vlog(void*, int level, const char *fmt, va_list);
int av_log_get_level(void);
void av_log_set_level(int);
void av_log_set_callback(void (*)(void*, int, const char*, va_list));
void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl);
#endif /* AVUTIL_LOG_H */

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/*
* LZO 1x decompression
* copyright (c) 2006 Reimar Doeffinger
*
* 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 AVUTIL_LZO_H
#define AVUTIL_LZO_H
#include <stdint.h>
/** \defgroup errflags Error flags returned by av_lzo1x_decode
* \{ */
//! end of the input buffer reached before decoding finished
#define AV_LZO_INPUT_DEPLETED 1
//! decoded data did not fit into output buffer
#define AV_LZO_OUTPUT_FULL 2
//! a reference to previously decoded data was wrong
#define AV_LZO_INVALID_BACKPTR 4
//! a non-specific error in the compressed bitstream
#define AV_LZO_ERROR 8
/** \} */
#define AV_LZO_INPUT_PADDING 8
#define AV_LZO_OUTPUT_PADDING 12
/**
* \brief Decodes LZO 1x compressed data.
* \param out output buffer
* \param outlen size of output buffer, number of bytes left are returned here
* \param in input buffer
* \param inlen size of input buffer, number of bytes left are returned here
* \return 0 on success, otherwise a combination of the error flags above
*
* Make sure all buffers are appropriately padded, in must provide
* AV_LZO_INPUT_PADDING, out must provide AV_LZO_OUTPUT_PADDING additional bytes.
*/
int av_lzo1x_decode(void *out, int *outlen, const void *in, int *inlen);
/**
* \brief deliberately overlapping memcpy implementation
* \param dst destination buffer; must be padded with 12 additional bytes
* \param back how many bytes back we start (the initial size of the overlapping window)
* \param cnt number of bytes to copy, must be >= 0
*
* cnt > back is valid, this will copy the bytes we just copied,
* thus creating a repeating pattern with a period length of back.
*/
void av_memcpy_backptr(uint8_t *dst, int back, int cnt);
#endif /* AVUTIL_LZO_H */

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/*
* copyright (c) 2005 Michael Niedermayer <michaelni@gmx.at>
*
* 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 AVUTIL_MATHEMATICS_H
#define AVUTIL_MATHEMATICS_H
//#include <stdint.h>
#include <math.h>
#include "common.h"
#include "rational.h"
#ifndef M_E
#define M_E 2.7182818284590452354 /* e */
#endif
#ifndef M_LN2
#define M_LN2 0.69314718055994530942 /* log_e 2 */
#endif
#ifndef M_LN10
#define M_LN10 2.30258509299404568402 /* log_e 10 */
#endif
#ifndef M_PI
#define M_PI 3.14159265358979323846 /* pi */
#endif
#ifndef M_SQRT1_2
#define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */
#endif
enum AVRounding {
AV_ROUND_ZERO = 0, ///< Round toward zero.
AV_ROUND_INF = 1, ///< Round away from zero.
AV_ROUND_DOWN = 2, ///< Round toward -infinity.
AV_ROUND_UP = 3, ///< Round toward +infinity.
AV_ROUND_NEAR_INF = 5, ///< Round to nearest and halfway cases away from zero.
};
int64_t av_const av_gcd(int64_t a, int64_t b);
/**
* Rescales a 64-bit integer with rounding to nearest.
* A simple a*b/c isn't possible as it can overflow.
*/
int64_t av_rescale(int64_t a, int64_t b, int64_t c) av_const;
/**
* Rescales a 64-bit integer with specified rounding.
* A simple a*b/c isn't possible as it can overflow.
*/
int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding) av_const;
/**
* Rescales a 64-bit integer by 2 rational numbers.
*/
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq) av_const;
#endif /* AVUTIL_MATHEMATICS_H */

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/*
* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
*
* 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 AVUTIL_MD5_H
#define AVUTIL_MD5_H
#include <stdint.h>
extern const int av_md5_size;
struct AVMD5;
void av_md5_init(struct AVMD5 *ctx);
void av_md5_update(struct AVMD5 *ctx, const uint8_t *src, const int len);
void av_md5_final(struct AVMD5 *ctx, uint8_t *dst);
void av_md5_sum(uint8_t *dst, const uint8_t *src, const int len);
#endif /* AVUTIL_MD5_H */

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/*
* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
*
* 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
*/
/**
* @file libavutil/mem.h
* memory handling functions
*/
#ifndef AVUTIL_MEM_H
#define AVUTIL_MEM_H
#include "common.h"
#if AV_GCC_VERSION_AT_LEAST(3,1)
#define av_malloc_attrib __attribute__((__malloc__))
#else
#define av_malloc_attrib
#endif
#if (!defined(__ICC) || __ICC > 1100) && AV_GCC_VERSION_AT_LEAST(4,3)
#define av_alloc_size(n) __attribute__((alloc_size(n)))
#else
#define av_alloc_size(n)
#endif
/**
* Allocates a block of \p size bytes with alignment suitable for all
* memory accesses (including vectors if available on the CPU).
* @param size Size in bytes for the memory block to be allocated.
* @return Pointer to the allocated block, NULL if the block cannot
* be allocated.
* @see av_mallocz()
*/
void *av_malloc(unsigned int size) av_malloc_attrib av_alloc_size(1);
/**
* Allocates or reallocates a block of memory.
* If \p ptr is NULL and \p size > 0, allocates a new block. If \p
* size is zero, frees the memory block pointed to by \p ptr.
* @param size Size in bytes for the memory block to be allocated or
* reallocated.
* @param ptr Pointer to a memory block already allocated with
* av_malloc(z)() or av_realloc() or NULL.
* @return Pointer to a newly reallocated block or NULL if the block
* cannot be reallocated or the function is used to free the memory block.
* @see av_fast_realloc()
*/
void *av_realloc(void *ptr, unsigned int size) av_alloc_size(2);
/**
* Frees a memory block which has been allocated with av_malloc(z)() or
* av_realloc().
* @param ptr Pointer to the memory block which should be freed.
* @note ptr = NULL is explicitly allowed.
* @note It is recommended that you use av_freep() instead.
* @see av_freep()
*/
void av_free(void *ptr);
/**
* Allocates a block of \p size bytes with alignment suitable for all
* memory accesses (including vectors if available on the CPU) and
* zeroes all the bytes of the block.
* @param size Size in bytes for the memory block to be allocated.
* @return Pointer to the allocated block, NULL if it cannot be allocated.
* @see av_malloc()
*/
void *av_mallocz(unsigned int size) av_malloc_attrib av_alloc_size(1);
/**
* Duplicates the string \p s.
* @param s string to be duplicated
* @return Pointer to a newly allocated string containing a
* copy of \p s or NULL if the string cannot be allocated.
*/
char *av_strdup(const char *s) av_malloc_attrib;
/**
* Frees a memory block which has been allocated with av_malloc(z)() or
* av_realloc() and set the pointer pointing to it to NULL.
* @param ptr Pointer to the pointer to the memory block which should
* be freed.
* @see av_free()
*/
void av_freep(void *ptr);
#endif /* AVUTIL_MEM_H */

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/*
* AVOptions
* copyright (c) 2005 Michael Niedermayer <michaelni@gmx.at>
*
* 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 AVCODEC_OPT_H
#define AVCODEC_OPT_H
/**
* @file libavcodec/opt.h
* AVOptions
*/
#include "libavutil/rational.h"
#include "avcodec.h"
enum AVOptionType{
FF_OPT_TYPE_FLAGS,
FF_OPT_TYPE_INT,
FF_OPT_TYPE_INT64,
FF_OPT_TYPE_DOUBLE,
FF_OPT_TYPE_FLOAT,
FF_OPT_TYPE_STRING,
FF_OPT_TYPE_RATIONAL,
FF_OPT_TYPE_BINARY, ///< offset must point to a pointer immediately followed by an int for the length
FF_OPT_TYPE_CONST=128,
};
/**
* AVOption
*/
typedef struct AVOption {
const char *name;
/**
* short English help text
* @todo What about other languages?
*/
const char *help;
/**
* The offset relative to the context structure where the option
* value is stored. It should be 0 for named constants.
*/
int offset;
enum AVOptionType type;
/**
* the default value for scalar options
*/
double default_val;
double min; ///< minimum valid value for the option
double max; ///< maximum valid value for the option
int flags;
#define AV_OPT_FLAG_ENCODING_PARAM 1 ///< a generic parameter which can be set by the user for muxing or encoding
#define AV_OPT_FLAG_DECODING_PARAM 2 ///< a generic parameter which can be set by the user for demuxing or decoding
#define AV_OPT_FLAG_METADATA 4 ///< some data extracted or inserted into the file like title, comment, ...
#define AV_OPT_FLAG_AUDIO_PARAM 8
#define AV_OPT_FLAG_VIDEO_PARAM 16
#define AV_OPT_FLAG_SUBTITLE_PARAM 32
//FIXME think about enc-audio, ... style flags
/**
* The logical unit to which the option belongs. Non-constant
* options and corresponding named constants share the same
* unit. May be NULL.
*/
const char *unit;
} AVOption;
/**
* Looks for an option in \p obj. Looks only for the options which
* have the flags set as specified in \p mask and \p flags (that is,
* for which it is the case that opt->flags & mask == flags).
*
* @param[in] obj a pointer to a struct whose first element is a
* pointer to an AVClass
* @param[in] name the name of the option to look for
* @param[in] unit the unit of the option to look for, or any if NULL
* @return a pointer to the option found, or NULL if no option
* has been found
*/
const AVOption *av_find_opt(void *obj, const char *name, const char *unit, int mask, int flags);
#if LIBAVCODEC_VERSION_MAJOR < 53
/**
* @see av_set_string2()
*/
attribute_deprecated const AVOption *av_set_string(void *obj, const char *name, const char *val);
/**
* @return a pointer to the AVOption corresponding to the field set or
* NULL if no matching AVOption exists, or if the value \p val is not
* valid
* @see av_set_string3()
*/
attribute_deprecated const AVOption *av_set_string2(void *obj, const char *name, const char *val, int alloc);
#endif
/**
* Sets the field of obj with the given name to value.
*
* @param[in] obj A struct whose first element is a pointer to an
* AVClass.
* @param[in] name the name of the field to set
* @param[in] val The value to set. If the field is not of a string
* type, then the given string is parsed.
* SI postfixes and some named scalars are supported.
* If the field is of a numeric type, it has to be a numeric or named
* scalar. Behavior with more than one scalar and +- infix operators
* is undefined.
* If the field is of a flags type, it has to be a sequence of numeric
* scalars or named flags separated by '+' or '-'. Prefixing a flag
* with '+' causes it to be set without affecting the other flags;
* similarly, '-' unsets a flag.
* @param[out] o_out if non-NULL put here a pointer to the AVOption
* found
* @param alloc when 1 then the old value will be av_freed() and the
* new av_strduped()
* when 0 then no av_free() nor av_strdup() will be used
* @return 0 if the value has been set, an AVERROR* error code if no
* matching option exists, or if the value \p val is not valid
*/
int av_set_string3(void *obj, const char *name, const char *val, int alloc, const AVOption **o_out);
const AVOption *av_set_double(void *obj, const char *name, double n);
const AVOption *av_set_q(void *obj, const char *name, AVRational n);
const AVOption *av_set_int(void *obj, const char *name, int64_t n);
double av_get_double(void *obj, const char *name, const AVOption **o_out);
AVRational av_get_q(void *obj, const char *name, const AVOption **o_out);
int64_t av_get_int(void *obj, const char *name, const AVOption **o_out);
const char *av_get_string(void *obj, const char *name, const AVOption **o_out, char *buf, int buf_len);
const AVOption *av_next_option(void *obj, const AVOption *last);
int av_opt_show(void *obj, void *av_log_obj);
void av_opt_set_defaults(void *s);
void av_opt_set_defaults2(void *s, int mask, int flags);
#endif /* AVCODEC_OPT_H */

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/*
* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
*
* 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 AVUTIL_PIXFMT_H
#define AVUTIL_PIXFMT_H
/**
* @file libavutil/pixfmt.h
* pixel format definitions
*
* @warning This file has to be considered an internal but installed
* header, so it should not be directly included in your projects.
*/
/**
* Pixel format. Notes:
*
* PIX_FMT_RGB32 is handled in an endian-specific manner. An RGBA
* color is put together as:
* (A << 24) | (R << 16) | (G << 8) | B
* This is stored as BGRA on little-endian CPU architectures and ARGB on
* big-endian CPUs.
*
* When the pixel format is palettized RGB (PIX_FMT_PAL8), the palettized
* image data is stored in AVFrame.data[0]. The palette is transported in
* AVFrame.data[1], is 1024 bytes long (256 4-byte entries) and is
* formatted the same as in PIX_FMT_RGB32 described above (i.e., it is
* also endian-specific). Note also that the individual RGB palette
* components stored in AVFrame.data[1] should be in the range 0..255.
* This is important as many custom PAL8 video codecs that were designed
* to run on the IBM VGA graphics adapter use 6-bit palette components.
*
* For all the 8bit per pixel formats, an RGB32 palette is in data[1] like
* for pal8. This palette is filled in automatically by the function
* allocating the picture.
*
* Note, make sure that all newly added big endian formats have pix_fmt&1==1
* and that all newly added little endian formats have pix_fmt&1==0
* this allows simpler detection of big vs little endian.
*/
enum PixelFormat {
PIX_FMT_NONE= -1,
PIX_FMT_YUV420P, ///< planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
PIX_FMT_YUYV422, ///< packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
PIX_FMT_RGB24, ///< packed RGB 8:8:8, 24bpp, RGBRGB...
PIX_FMT_BGR24, ///< packed RGB 8:8:8, 24bpp, BGRBGR...
PIX_FMT_YUV422P, ///< planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
PIX_FMT_YUV444P, ///< planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
PIX_FMT_RGB32, ///< packed RGB 8:8:8, 32bpp, (msb)8A 8R 8G 8B(lsb), in CPU endianness
PIX_FMT_YUV410P, ///< planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
PIX_FMT_YUV411P, ///< planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
PIX_FMT_RGB565, ///< packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), in CPU endianness
PIX_FMT_RGB555, ///< packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), in CPU endianness, most significant bit to 0
PIX_FMT_GRAY8, ///< Y , 8bpp
PIX_FMT_MONOWHITE, ///< Y , 1bpp, 0 is white, 1 is black
PIX_FMT_MONOBLACK, ///< Y , 1bpp, 0 is black, 1 is white
PIX_FMT_PAL8, ///< 8 bit with PIX_FMT_RGB32 palette
PIX_FMT_YUVJ420P, ///< planar YUV 4:2:0, 12bpp, full scale (JPEG)
PIX_FMT_YUVJ422P, ///< planar YUV 4:2:2, 16bpp, full scale (JPEG)
PIX_FMT_YUVJ444P, ///< planar YUV 4:4:4, 24bpp, full scale (JPEG)
PIX_FMT_XVMC_MPEG2_MC,///< XVideo Motion Acceleration via common packet passing
PIX_FMT_XVMC_MPEG2_IDCT,
PIX_FMT_UYVY422, ///< packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
PIX_FMT_UYYVYY411, ///< packed YUV 4:1:1, 12bpp, Cb Y0 Y1 Cr Y2 Y3
PIX_FMT_BGR32, ///< packed RGB 8:8:8, 32bpp, (msb)8A 8B 8G 8R(lsb), in CPU endianness
PIX_FMT_BGR565, ///< packed RGB 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), in CPU endianness
PIX_FMT_BGR555, ///< packed RGB 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), in CPU endianness, most significant bit to 1
PIX_FMT_BGR8, ///< packed RGB 3:3:2, 8bpp, (msb)2B 3G 3R(lsb)
PIX_FMT_BGR4, ///< packed RGB 1:2:1, 4bpp, (msb)1B 2G 1R(lsb)
PIX_FMT_BGR4_BYTE, ///< packed RGB 1:2:1, 8bpp, (msb)1B 2G 1R(lsb)
PIX_FMT_RGB8, ///< packed RGB 3:3:2, 8bpp, (msb)2R 3G 3B(lsb)
PIX_FMT_RGB4, ///< packed RGB 1:2:1, 4bpp, (msb)1R 2G 1B(lsb)
PIX_FMT_RGB4_BYTE, ///< packed RGB 1:2:1, 8bpp, (msb)1R 2G 1B(lsb)
PIX_FMT_NV12, ///< planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 for UV
PIX_FMT_NV21, ///< as above, but U and V bytes are swapped
PIX_FMT_RGB32_1, ///< packed RGB 8:8:8, 32bpp, (msb)8R 8G 8B 8A(lsb), in CPU endianness
PIX_FMT_BGR32_1, ///< packed RGB 8:8:8, 32bpp, (msb)8B 8G 8R 8A(lsb), in CPU endianness
PIX_FMT_GRAY16BE, ///< Y , 16bpp, big-endian
PIX_FMT_GRAY16LE, ///< Y , 16bpp, little-endian
PIX_FMT_YUV440P, ///< planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
PIX_FMT_YUVJ440P, ///< planar YUV 4:4:0 full scale (JPEG)
PIX_FMT_YUVA420P, ///< planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
PIX_FMT_VDPAU_H264,///< H.264 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_VDPAU_MPEG1,///< MPEG-1 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_VDPAU_MPEG2,///< MPEG-2 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_VDPAU_WMV3,///< WMV3 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_VDPAU_VC1, ///< VC-1 HW decoding with VDPAU, data[0] contains a vdpau_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_RGB48BE, ///< packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, big-endian
PIX_FMT_RGB48LE, ///< packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, little-endian
PIX_FMT_VAAPI_MOCO, ///< HW acceleration through VA API at motion compensation entry-point, Picture.data[0] contains a vaapi_render_state struct which contains macroblocks as well as various fields extracted from headers
PIX_FMT_VAAPI_IDCT, ///< HW acceleration through VA API at IDCT entry-point, Picture.data[0] contains a vaapi_render_state struct which contains fields extracted from headers
PIX_FMT_VAAPI_VLD, ///< HW decoding through VA API, Picture.data[0] contains a vaapi_render_state struct which contains the bitstream of the slices as well as various fields extracted from headers
PIX_FMT_NB, ///< number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions
};
#ifdef WORDS_BIGENDIAN
#define PIX_FMT_RGBA PIX_FMT_RGB32_1
#define PIX_FMT_BGRA PIX_FMT_BGR32_1
#define PIX_FMT_ARGB PIX_FMT_RGB32
#define PIX_FMT_ABGR PIX_FMT_BGR32
#define PIX_FMT_GRAY16 PIX_FMT_GRAY16BE
#define PIX_FMT_RGB48 PIX_FMT_RGB48BE
#else
#define PIX_FMT_RGBA PIX_FMT_BGR32
#define PIX_FMT_BGRA PIX_FMT_RGB32
#define PIX_FMT_ARGB PIX_FMT_BGR32_1
#define PIX_FMT_ABGR PIX_FMT_RGB32_1
#define PIX_FMT_GRAY16 PIX_FMT_GRAY16LE
#define PIX_FMT_RGB48 PIX_FMT_RGB48LE
#endif
#if LIBAVUTIL_VERSION_INT < (50<<16)
#define PIX_FMT_UYVY411 PIX_FMT_UYYVYY411
#define PIX_FMT_RGBA32 PIX_FMT_RGB32
#define PIX_FMT_YUV422 PIX_FMT_YUYV422
#endif
#endif /* AVUTIL_PIXFMT_H */

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/*
* Mersenne Twister PRNG algorithm
* Copyright (c) 2006 Ryan Martell
* Based on a C program for MT19937, with initialization improved 2002/1/26.
* Coded by Takuji Nishimura and Makoto Matsumoto.
*
* 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 AVUTIL_RANDOM_H
#define AVUTIL_RANDOM_H
#define AV_RANDOM_N 624
#include "avutil.h"
#include "common.h"
typedef struct {
unsigned int mt[AV_RANDOM_N]; ///< the array for the state vector
int index; ///< Current untempered value we use as the base.
} AVRandomState;
#if LIBAVUTIL_VERSION_MAJOR < 50
attribute_deprecated void av_init_random(unsigned int seed, AVRandomState *state);
#endif
void av_random_init(AVRandomState *state, unsigned int seed); ///< To be inlined, the struct must be visible. So it does not make sense to try and keep it opaque with malloc/free-like calls.
void av_random_generate_untempered_numbers(AVRandomState *state); ///< Regenerate the untempered numbers (must be done every 624 iterations, or it will loop).
/**
* Generates a random number from the interval [0,0xffffffff].
*
* Please do NOT use the Mersenne Twister, it is slow. Use the random number
* generator from lfg.c/h or a simple LCG like state = state*1664525+1013904223.
* If you still choose to use MT, expect that you will have to provide
* some evidence that it makes a difference for the case where you use it.
*/
static inline unsigned int av_random(AVRandomState *state)
{
unsigned int y;
// Regenerate the untempered numbers if we should...
if (state->index >= AV_RANDOM_N)
av_random_generate_untempered_numbers(state);
// Grab one...
y = state->mt[state->index++];
/* Now temper (Mersenne Twister coefficients). The coefficients for MT19937 are.. */
y ^= (y >> 11);
y ^= (y << 7) & 0x9d2c5680;
y ^= (y << 15) & 0xefc60000;
y ^= (y >> 18);
return y;
}
/** Returns a random number in the range [0-1] as double. */
static inline double av_random_real1(AVRandomState *state)
{
/* divided by 2^32-1 */
return av_random(state) * (1.0 / 4294967296.0);
}
#endif /* AVUTIL_RANDOM_H */

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/*
* rational numbers
* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
*
* 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
*/
/**
* @file libavutil/rational.h
* rational numbers
* @author Michael Niedermayer <michaelni@gmx.at>
*/
#ifndef AVUTIL_RATIONAL_H
#define AVUTIL_RATIONAL_H
//#include <stdint.h>
#include "common.h"
/**
* rational number numerator/denominator
*/
typedef struct AVRational{
int num; ///< numerator
int den; ///< denominator
} AVRational;
/**
* Compares two rationals.
* @param a first rational
* @param b second rational
* @return 0 if a==b, 1 if a>b and -1 if a<b
*/
static inline int av_cmp_q(AVRational a, AVRational b){
const int64_t tmp= a.num * (int64_t)b.den - b.num * (int64_t)a.den;
if(tmp) return (tmp>>63)|1;
else return 0;
}
/**
* Converts rational to double.
* @param a rational to convert
* @return (double) a
*/
static inline double av_q2d(AVRational a){
return a.num / (double) a.den;
}
/**
* Reduces a fraction.
* This is useful for framerate calculations.
* @param dst_num destination numerator
* @param dst_den destination denominator
* @param num source numerator
* @param den source denominator
* @param max the maximum allowed for dst_num & dst_den
* @return 1 if exact, 0 otherwise
*/
int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max);
/**
* Multiplies two rationals.
* @param b first rational
* @param c second rational
* @return b*c
*/
AVRational av_mul_q(AVRational b, AVRational c) av_const;
/**
* Divides one rational by another.
* @param b first rational
* @param c second rational
* @return b/c
*/
AVRational av_div_q(AVRational b, AVRational c) av_const;
/**
* Adds two rationals.
* @param b first rational
* @param c second rational
* @return b+c
*/
AVRational av_add_q(AVRational b, AVRational c) av_const;
/**
* Subtracts one rational from another.
* @param b first rational
* @param c second rational
* @return b-c
*/
AVRational av_sub_q(AVRational b, AVRational c) av_const;
/**
* Converts a double precision floating point number to a rational.
* @param d double to convert
* @param max the maximum allowed numerator and denominator
* @return (AVRational) d
*/
AVRational av_d2q(double d, int max) av_const;
/**
* @return 1 if \q1 is nearer to \p q than \p q2, -1 if \p q2 is nearer
* than \p q1, 0 if they have the same distance.
*/
int av_nearer_q(AVRational q, AVRational q1, AVRational q2);
/**
* Finds the nearest value in \p q_list to \p q.
* @param q_list an array of rationals terminated by {0, 0}
* @return the index of the nearest value found in the array
*/
int av_find_nearest_q_idx(AVRational q, const AVRational* q_list);
#endif /* AVUTIL_RATIONAL_H */

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/*
* software RGB to RGB converter
* pluralize by Software PAL8 to RGB converter
* Software YUV to YUV converter
* Software YUV to RGB converter
* Written by Nick Kurshev.
* palette & YUV & runtime CPU stuff by Michael (michaelni@gmx.at)
*
* 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 SWSCALE_RGB2RGB_H
#define SWSCALE_RGB2RGB_H
#include <inttypes.h>
/* A full collection of RGB to RGB(BGR) converters */
extern void (*rgb24tobgr32)(const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb24tobgr16)(const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb24tobgr15)(const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb32tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb32to16) (const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb32to15) (const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb15to16) (const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb15tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb15to32) (const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb16to15) (const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb16tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb16to32) (const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb24tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb24to16) (const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb24to15) (const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb32tobgr32)(const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb32tobgr16)(const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb32tobgr15)(const uint8_t *src, uint8_t *dst, long src_size);
void rgb24to32 (const uint8_t *src, uint8_t *dst, long src_size);
void rgb32to24 (const uint8_t *src, uint8_t *dst, long src_size);
void rgb16tobgr32(const uint8_t *src, uint8_t *dst, long src_size);
void rgb16to24 (const uint8_t *src, uint8_t *dst, long src_size);
void rgb16tobgr16(const uint8_t *src, uint8_t *dst, long src_size);
void rgb16tobgr15(const uint8_t *src, uint8_t *dst, long src_size);
void rgb15tobgr32(const uint8_t *src, uint8_t *dst, long src_size);
void rgb15to24 (const uint8_t *src, uint8_t *dst, long src_size);
void rgb15tobgr16(const uint8_t *src, uint8_t *dst, long src_size);
void rgb15tobgr15(const uint8_t *src, uint8_t *dst, long src_size);
void bgr8torgb8 (const uint8_t *src, uint8_t *dst, long src_size);
void palette8topacked32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette);
void palette8topacked24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette);
void palette8torgb16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette);
void palette8tobgr16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette);
void palette8torgb15(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette);
void palette8tobgr15(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette);
/**
* Height should be a multiple of 2 and width should be a multiple of 16.
* (If this is a problem for anyone then tell me, and I will fix it.)
* Chrominance data is only taken from every second line, others are ignored.
* FIXME: Write high quality version.
*/
//void uyvytoyv12(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
/**
* Height should be a multiple of 2 and width should be a multiple of 16.
* (If this is a problem for anyone then tell me, and I will fix it.)
*/
extern void (*yv12toyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
long width, long height,
long lumStride, long chromStride, long dstStride);
/**
* Width should be a multiple of 16.
*/
extern void (*yuv422ptoyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
long width, long height,
long lumStride, long chromStride, long dstStride);
/**
* Height should be a multiple of 2 and width should be a multiple of 16.
* (If this is a problem for anyone then tell me, and I will fix it.)
*/
extern void (*yuy2toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
long width, long height,
long lumStride, long chromStride, long srcStride);
/**
* Height should be a multiple of 2 and width should be a multiple of 16.
* (If this is a problem for anyone then tell me, and I will fix it.)
*/
extern void (*yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
long width, long height,
long lumStride, long chromStride, long dstStride);
/**
* Width should be a multiple of 16.
*/
extern void (*yuv422ptouyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
long width, long height,
long lumStride, long chromStride, long dstStride);
/**
* Height should be a multiple of 2 and width should be a multiple of 2.
* (If this is a problem for anyone then tell me, and I will fix it.)
* Chrominance data is only taken from every second line, others are ignored.
* FIXME: Write high quality version.
*/
extern void (*rgb24toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
long width, long height,
long lumStride, long chromStride, long srcStride);
extern void (*planar2x)(const uint8_t *src, uint8_t *dst, long width, long height,
long srcStride, long dstStride);
extern void (*interleaveBytes)(uint8_t *src1, uint8_t *src2, uint8_t *dst,
long width, long height, long src1Stride,
long src2Stride, long dstStride);
extern void (*vu9_to_vu12)(const uint8_t *src1, const uint8_t *src2,
uint8_t *dst1, uint8_t *dst2,
long width, long height,
long srcStride1, long srcStride2,
long dstStride1, long dstStride2);
extern void (*yvu9_to_yuy2)(const uint8_t *src1, const uint8_t *src2, const uint8_t *src3,
uint8_t *dst,
long width, long height,
long srcStride1, long srcStride2,
long srcStride3, long dstStride);
void sws_rgb2rgb_init(int flags);
#endif /* SWSCALE_RGB2RGB_H */

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/*
* RTP definitions
* Copyright (c) 2002 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_RTP_H
#define AVFORMAT_RTP_H
#include "avcodec.h"
/**
* Return the payload type for a given codec.
*
* @param codec The context of the codec
* @return In case of unknown payload type or dynamic payload type, a
* negative value is returned; otherwise, the payload type (the 'PT' field
* in the RTP header) is returned.
*/
int ff_rtp_get_payload_type(AVCodecContext *codec);
/**
* Initialize a codec context based on the payload type.
*
* Fill the codec_type and codec_id fields of a codec context with
* information depending on the payload type; for audio codecs, the
* channels and sample_rate fields are also filled.
*
* @param codec The context of the codec
* @param payload_type The payload type (the 'PT' field in the RTP header)
* @return In case of unknown payload type or dynamic payload type, a
* negative value is returned; otherwise, 0 is returned
*/
int ff_rtp_get_codec_info(AVCodecContext *codec, int payload_type);
/**
* Return the encoding name (as defined in
* http://www.iana.org/assignments/rtp-parameters) for a given payload type.
*
* @param payload_type The payload type (the 'PT' field in the RTP header)
* @return In case of unknown payload type or dynamic payload type, a pointer
* to an empty string is returned; otherwise, a pointer to a string containing
* the encoding name is returned
*/
const char *ff_rtp_enc_name(int payload_type);
/**
* Return the codec id for the given encoding name and codec type.
*
* @param buf A pointer to the string containing the encoding name
* @param codec_type The codec type
* @return In case of unknown encoding name, CODEC_ID_NONE is returned;
* otherwise, the codec id is returned
*/
enum CodecID ff_rtp_codec_id(const char *buf, enum CodecType codec_type);
#define RTP_PT_PRIVATE 96
#define RTP_VERSION 2
#define RTP_MAX_SDES 256 /**< maximum text length for SDES */
/* RTCP paquets use 0.5 % of the bandwidth */
#define RTCP_TX_RATIO_NUM 5
#define RTCP_TX_RATIO_DEN 1000
#endif /* AVFORMAT_RTP_H */

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/*
* RTSP definitions
* Copyright (c) 2002 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 FFMPEG_RTSP_H
#define FFMPEG_RTSP_H
#include <stdint.h>
#include "avformat.h"
#include "rtspcodes.h"
#include "rtpdec.h"
#include "network.h"
/**
* Network layer over which RTP/etc packet data will be transported.
*/
enum RTSPLowerTransport {
RTSP_LOWER_TRANSPORT_UDP = 0, /**< UDP/unicast */
RTSP_LOWER_TRANSPORT_TCP = 1, /**< TCP; interleaved in RTSP */
RTSP_LOWER_TRANSPORT_UDP_MULTICAST = 2, /**< UDP/multicast */
RTSP_LOWER_TRANSPORT_NB
};
/**
* Packet profile of the data that we will be receiving. Real servers
* commonly send RDT (although they can sometimes send RTP as well),
* whereas most others will send RTP.
*/
enum RTSPTransport {
RTSP_TRANSPORT_RTP, /**< Standards-compliant RTP */
RTSP_TRANSPORT_RDT, /**< Realmedia Data Transport */
RTSP_TRANSPORT_NB
};
#define RTSP_DEFAULT_PORT 554
#define RTSP_MAX_TRANSPORTS 8
#define RTSP_TCP_MAX_PACKET_SIZE 1472
#define RTSP_DEFAULT_NB_AUDIO_CHANNELS 2
#define RTSP_DEFAULT_AUDIO_SAMPLERATE 44100
#define RTSP_RTP_PORT_MIN 5000
#define RTSP_RTP_PORT_MAX 10000
/**
* This describes a single item in the "Transport:" line of one stream as
* negotiated by the SETUP RTSP command. Multiple transports are comma-
* separated ("Transport: x-read-rdt/tcp;interleaved=0-1,rtp/avp/udp;
* client_port=1000-1001;server_port=1800-1801") and described in separate
* RTSPTransportFields.
*/
typedef struct RTSPTransportField {
/** interleave ids, if TCP transport; each TCP/RTSP data packet starts
* with a '$', stream length and stream ID. If the stream ID is within
* the range of this interleaved_min-max, then the packet belongs to
* this stream. */
int interleaved_min, interleaved_max;
/** UDP multicast port range; the ports to which we should connect to
* receive multicast UDP data. */
int port_min, port_max;
/** UDP client ports; these should be the local ports of the UDP RTP
* (and RTCP) sockets over which we receive RTP/RTCP data. */
int client_port_min, client_port_max;
/** UDP unicast server port range; the ports to which we should connect
* to receive unicast UDP RTP/RTCP data. */
int server_port_min, server_port_max;
/** time-to-live value (required for multicast); the amount of HOPs that
* packets will be allowed to make before being discarded. */
int ttl;
uint32_t destination; /**< destination IP address */
/** data/packet transport protocol; e.g. RTP or RDT */
enum RTSPTransport transport;
/** network layer transport protocol; e.g. TCP or UDP uni-/multicast */
enum RTSPLowerTransport lower_transport;
} RTSPTransportField;
/**
* This describes the server response to each RTSP command.
*/
typedef struct RTSPMessageHeader {
/** length of the data following this header */
int content_length;
enum RTSPStatusCode status_code; /**< response code from server */
/** number of items in the 'transports' variable below */
int nb_transports;
/** Time range of the streams that the server will stream. In
* AV_TIME_BASE unit, AV_NOPTS_VALUE if not used */
int64_t range_start, range_end;
/** describes the complete "Transport:" line of the server in response
* to a SETUP RTSP command by the client */
RTSPTransportField transports[RTSP_MAX_TRANSPORTS];
int seq; /**< sequence number */
/** the "Session:" field. This value is initially set by the server and
* should be re-transmitted by the client in every RTSP command. */
char session_id[512];
/** the "RealChallenge1:" field from the server */
char real_challenge[64];
/** the "Server: field, which can be used to identify some special-case
* servers that are not 100% standards-compliant. We use this to identify
* Windows Media Server, which has a value "WMServer/v.e.r.sion", where
* version is a sequence of digits (e.g. 9.0.0.3372). Helix/Real servers
* use something like "Helix [..] Server Version v.e.r.sion (platform)
* (RealServer compatible)" or "RealServer Version v.e.r.sion (platform)",
* where platform is the output of $uname -msr | sed 's/ /-/g'. */
char server[64];
} RTSPMessageHeader;
/**
* Client state, i.e. whether we are currently receiving data (PLAYING) or
* setup-but-not-receiving (PAUSED). State can be changed in applications
* by calling av_read_play/pause().
*/
enum RTSPClientState {
RTSP_STATE_IDLE, /**< not initialized */
RTSP_STATE_PLAYING, /**< initialized and receiving data */
RTSP_STATE_PAUSED, /**< initialized, but not receiving data */
};
/**
* Identifies particular servers that require special handling, such as
* standards-incompliant "Transport:" lines in the SETUP request.
*/
enum RTSPServerType {
RTSP_SERVER_RTP, /**< Standards-compliant RTP-server */
RTSP_SERVER_REAL, /**< Realmedia-style server */
RTSP_SERVER_WMS, /**< Windows Media server */
RTSP_SERVER_NB
};
/**
* Private data for the RTSP demuxer.
*/
typedef struct RTSPState {
URLContext *rtsp_hd; /* RTSP TCP connexion handle */
/** number of items in the 'rtsp_streams' variable */
int nb_rtsp_streams;
struct RTSPStream **rtsp_streams; /**< streams in this session */
/** indicator of whether we are currently receiving data from the
* server. Basically this isn't more than a simple cache of the
* last PLAY/PAUSE command sent to the server, to make sure we don't
* send 2x the same unexpectedly or commands in the wrong state. */
enum RTSPClientState state;
/** the seek value requested when calling av_seek_frame(). This value
* is subsequently used as part of the "Range" parameter when emitting
* the RTSP PLAY command. If we are currently playing, this command is
* called instantly. If we are currently paused, this command is called
* whenever we resume playback. Either way, the value is only used once,
* see rtsp_read_play() and rtsp_read_seek(). */
int64_t seek_timestamp;
/* XXX: currently we use unbuffered input */
// ByteIOContext rtsp_gb;
int seq; /**< RTSP command sequence number */
/** copy of RTSPMessageHeader->session_id, i.e. the server-provided session
* identifier that the client should re-transmit in each RTSP command */
char session_id[512];
/** the negotiated data/packet transport protocol; e.g. RTP or RDT */
enum RTSPTransport transport;
/** the negotiated network layer transport protocol; e.g. TCP or UDP
* uni-/multicast */
enum RTSPLowerTransport lower_transport;
/** brand of server that we're talking to; e.g. WMS, REAL or other.
* Detected based on the value of RTSPMessageHeader->server or the presence
* of RTSPMessageHeader->real_challenge */
enum RTSPServerType server_type;
/** The last reply of the server to a RTSP command */
char last_reply[2048]; /* XXX: allocate ? */
/** RTSPStream->transport_priv of the last stream that we read a
* packet from */
void *cur_transport_priv;
/** The following are used for Real stream selection */
//@{
/** whether we need to send a "SET_PARAMETER Subscribe:" command */
int need_subscription;
/** stream setup during the last frame read. This is used to detect if
* we need to subscribe or unsubscribe to any new streams. */
enum AVDiscard real_setup_cache[MAX_STREAMS];
/** the last value of the "SET_PARAMETER Subscribe:" RTSP command.
* this is used to send the same "Unsubscribe:" if stream setup changed,
* before sending a new "Subscribe:" command. */
char last_subscription[1024];
//@}
} RTSPState;
/**
* Describes a single stream, as identified by a single m= line block in the
* SDP content. In the case of RDT, one RTSPStream can represent multiple
* AVStreams. In this case, each AVStream in this set has similar content
* (but different codec/bitrate).
*/
typedef struct RTSPStream {
URLContext *rtp_handle; /**< RTP stream handle (if UDP) */
void *transport_priv; /**< RTP/RDT parse context */
/** corresponding stream index, if any. -1 if none (MPEG2TS case) */
int stream_index;
/** interleave IDs; copies of RTSPTransportField->interleaved_min/max
* for the selected transport. Only used for TCP. */
int interleaved_min, interleaved_max;
char control_url[1024]; /**< url for this stream (from SDP) */
/** The following are used only in SDP, not RTSP */
//@{
int sdp_port; /**< port (from SDP content) */
struct in_addr sdp_ip; /**< IP address (from SDP content) */
int sdp_ttl; /**< IP Time-To-Live (from SDP content) */
int sdp_payload_type; /**< payload type */
//@}
/** rtp payload parsing infos from SDP (i.e. mapping between private
* payload IDs and media-types (string), so that we can derive what
* type of payload we're dealing with (and how to parse it). */
RTPPayloadData rtp_payload_data;
/** The following are used for dynamic protocols (rtp_*.c/rdt.c) */
//@{
/** handler structure */
RTPDynamicProtocolHandler *dynamic_handler;
/** private data associated with the dynamic protocol */
PayloadContext *dynamic_protocol_context;
//@}
} RTSPStream;
int rtsp_init(void);
void rtsp_parse_line(RTSPMessageHeader *reply, const char *buf);
#if LIBAVFORMAT_VERSION_INT < (53 << 16)
extern int rtsp_default_protocols;
#endif
extern int rtsp_rtp_port_min;
extern int rtsp_rtp_port_max;
int rtsp_pause(AVFormatContext *s);
int rtsp_resume(AVFormatContext *s);
#endif /* FFMPEG_RTSP_H */

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/*
* RTSP definitions
* copyright (c) 2002 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_RTSPCODES_H
#define AVFORMAT_RTSPCODES_H
/** RTSP handling */
enum RTSPStatusCode {
RTSP_STATUS_OK =200, /**< OK */
RTSP_STATUS_METHOD =405, /**< Method Not Allowed */
RTSP_STATUS_BANDWIDTH =453, /**< Not Enough Bandwidth */
RTSP_STATUS_SESSION =454, /**< Session Not Found */
RTSP_STATUS_STATE =455, /**< Method Not Valid in This State */
RTSP_STATUS_AGGREGATE =459, /**< Aggregate operation not allowed */
RTSP_STATUS_ONLY_AGGREGATE =460, /**< Only aggregate operation allowed */
RTSP_STATUS_TRANSPORT =461, /**< Unsupported transport */
RTSP_STATUS_INTERNAL =500, /**< Internal Server Error */
RTSP_STATUS_SERVICE =503, /**< Service Unavailable */
RTSP_STATUS_VERSION =505, /**< RTSP Version not supported */
};
#endif /* AVFORMAT_RTSPCODES_H */

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/*
* Copyright (C) 2007 Michael Niedermayer <michaelni@gmx.at>
*
* 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 AVUTIL_SHA1_H
#define AVUTIL_SHA1_H
#include <stdint.h>
extern const int av_sha1_size;
struct AVSHA1;
void av_sha1_init(struct AVSHA1* context);
void av_sha1_update(struct AVSHA1* context, const uint8_t* data, unsigned int len);
void av_sha1_final(struct AVSHA1* context, uint8_t digest[20]);
#endif /* AVUTIL_SHA1_H */

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/*
* The Video Decode and Presentation API for UNIX (VDPAU) is used for
* hardware-accelerated decoding of MPEG-1/2, H.264 and VC-1.
*
* Copyright (C) 2008 NVIDIA
*
* 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 AVCODEC_VDPAU_H
#define AVCODEC_VDPAU_H
/**
* \defgroup Decoder VDPAU Decoder and Renderer
*
* VDPAU hardware acceleration has two modules
* - VDPAU decoding
* - VDPAU presentation
*
* The VDPAU decoding module parses all headers using FFmpeg
* parsing mechanisms and uses VDPAU for the actual decoding.
*
* As per the current implementation, the actual decoding
* and rendering (API calls) are done as part of the VDPAU
* presentation (vo_vdpau.c) module.
*
* @{
* \defgroup VDPAU_Decoding VDPAU Decoding
* \ingroup Decoder
* @{
*/
#include <vdpau/vdpau.h>
#include <vdpau/vdpau_x11.h>
/** \brief The videoSurface is used for rendering. */
#define FF_VDPAU_STATE_USED_FOR_RENDER 1
/**
* \brief The videoSurface is needed for reference/prediction.
* The codec manipulates this.
*/
#define FF_VDPAU_STATE_USED_FOR_REFERENCE 2
/**
* \brief This structure is used as a callback between the FFmpeg
* decoder (vd_) and presentation (vo_) module.
* This is used for defining a video frame containing surface,
* picture parameter, bitstream information etc which are passed
* between the FFmpeg decoder and its clients.
*/
struct vdpau_render_state {
VdpVideoSurface surface; ///< Used as rendered surface, never changed.
int state; ///< Holds FF_VDPAU_STATE_* values.
/** picture parameter information for all supported codecs */
union VdpPictureInfo {
VdpPictureInfoH264 h264;
VdpPictureInfoMPEG1Or2 mpeg;
VdpPictureInfoVC1 vc1;
} info;
/** Describe size/location of the compressed video data. */
int bitstream_buffers_allocated;
int bitstream_buffers_used;
VdpBitstreamBuffer *bitstream_buffers;
};
/* @}*/
#endif /* AVCODEC_VDPAU_H */

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/*
* Copyright (C) 2003 Ivan Kalvachev
*
* 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 AVCODEC_XVMC_H
#define AVCODEC_XVMC_H
#include <X11/extensions/XvMC.h>
#include "avcodec.h"
#if LIBAVCODEC_VERSION_MAJOR < 53
#define AV_XVMC_STATE_DISPLAY_PENDING 1 /** the surface should be shown, the video driver manipulates this */
#define AV_XVMC_STATE_PREDICTION 2 /** the surface is needed for prediction, the codec manipulates this */
#define AV_XVMC_STATE_OSD_SOURCE 4 /** the surface is needed for subpicture rendering */
#endif
#define AV_XVMC_ID 0x1DC711C0 /**< special value to ensure that regular pixel routines haven't corrupted the struct
the number is 1337 speak for the letters IDCT MCo (motion compensation) */
struct xvmc_pix_fmt {
/** The field contains the special constant value AV_XVMC_ID.
It is used as a test that the application correctly uses the API,
and that there is no corruption caused by pixel routines.
- application - set during initialization
- libavcodec - unchanged
*/
int xvmc_id;
/** Pointer to the block array allocated by XvMCCreateBlocks().
The array has to be freed by XvMCDestroyBlocks().
Each group of 64 values represents one data block of differential
pixel information (in MoCo mode) or coefficients for IDCT.
- application - set the pointer during initialization
- libavcodec - fills coefficients/pixel data into the array
*/
short* data_blocks;
/** Pointer to the macroblock description array allocated by
XvMCCreateMacroBlocks() and freed by XvMCDestroyMacroBlocks().
- application - set the pointer during initialization
- libavcodec - fills description data into the array
*/
XvMCMacroBlock* mv_blocks;
/** Number of macroblock descriptions that can be stored in the mv_blocks
array.
- application - set during initialization
- libavcodec - unchanged
*/
int allocated_mv_blocks;
/** Number of blocks that can be stored at once in the data_blocks array.
- application - set during initialization
- libavcodec - unchanged
*/
int allocated_data_blocks;
/** Indicates that the hardware would interpret data_blocks as IDCT
coefficients and perform IDCT on them.
- application - set during initialization
- libavcodec - unchanged
*/
int idct;
/** In MoCo mode it indicates that intra macroblocks are assumed to be in
unsigned format; same as the XVMC_INTRA_UNSIGNED flag.
- application - set during initialization
- libavcodec - unchanged
*/
int unsigned_intra;
/** Pointer to the surface allocated by XvMCCreateSurface().
It has to be freed by XvMCDestroySurface() on application exit.
It identifies the frame and its state on the video hardware.
- application - set during initialization
- libavcodec - unchanged
*/
XvMCSurface* p_surface;
/** Set by the decoder before calling ff_draw_horiz_band(),
needed by the XvMCRenderSurface function. */
//@{
/** Pointer to the surface used as past reference
- application - unchanged
- libavcodec - set
*/
XvMCSurface* p_past_surface;
/** Pointer to the surface used as future reference
- application - unchanged
- libavcodec - set
*/
XvMCSurface* p_future_surface;
/** top/bottom field or frame
- application - unchanged
- libavcodec - set
*/
unsigned int picture_structure;
/** XVMC_SECOND_FIELD - 1st or 2nd field in the sequence
- application - unchanged
- libavcodec - set
*/
unsigned int flags;
//}@
/** Number of macroblock descriptions in the mv_blocks array
that have already been passed to the hardware.
- application - zeroes it on get_buffer().
A successful ff_draw_horiz_band() may increment it
with filled_mb_block_num or zero both.
- libavcodec - unchanged
*/
int start_mv_blocks_num;
/** Number of new macroblock descriptions in the mv_blocks array (after
start_mv_blocks_num) that are filled by libavcodec and have to be
passed to the hardware.
- application - zeroes it on get_buffer() or after successful
ff_draw_horiz_band().
- libavcodec - increment with one of each stored MB
*/
int filled_mv_blocks_num;
/** Number of the the next free data block; one data block consists of
64 short values in the data_blocks array.
All blocks before this one are already claimed by filling their number
into the corresponding blocks description structure field,
that are hold in mv_blocks array.
- application - zeroes it on get_buffer().
A successful ff_draw_horiz_band() may zero it together
with start_mb_blocks_num.
- libavcodec - each decoded macroblock increases it by the number
of coded blocks it contains.
*/
int next_free_data_block_num;
/** extensions may be placed here */
#if LIBAVCODEC_VERSION_MAJOR < 53
//@{
/** State flags used to work around limitations in the MPlayer video system.
0 - Surface is not used.
1 - Surface is still held in application to be displayed or is
still visible.
2 - Surface is still held in libavcodec buffer for prediction.
*/
int state;
/** pointer to the surface where the subpicture is rendered */
void* p_osd_target_surface_render;
//}@
#endif
};
#endif /* AVCODEC_XVMC_H */