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/*
* Various utilities for command line tools
* copyright (c) 2003 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 FFTOOLS_CMDUTILS_H
#define FFTOOLS_CMDUTILS_H
#include <stdint.h>
#include "config.h"
#include "libavcodec/avcodec.h"
#include "libavfilter/avfilter.h"
#include "libavformat/avformat.h"
#include "libswscale/swscale.h"
#ifdef _WIN32
#undef main /* We don't want SDL to override our main() */
#endif
/**
* program name, defined by the program for show_version().
*/
extern const char program_name[];
/**
* program birth year, defined by the program for show_banner()
*/
extern const int program_birth_year;
extern AVDictionary *sws_dict;
extern AVDictionary *swr_opts;
extern AVDictionary *format_opts, *codec_opts;
extern int hide_banner;
/**
* Initialize dynamic library loading
*/
void init_dynload(void);
/**
* Uninitialize the cmdutils option system, in particular
* free the *_opts contexts and their contents.
*/
void uninit_opts(void);
/**
* Trivial log callback.
* Only suitable for opt_help and similar since it lacks prefix handling.
*/
void log_callback_help(void* ptr, int level, const char* fmt, va_list vl);
/**
* Fallback for options that are not explicitly handled, these will be
* parsed through AVOptions.
*/
int opt_default(void *optctx, const char *opt, const char *arg);
/**
* Limit the execution time.
*/
int opt_timelimit(void *optctx, const char *opt, const char *arg);
/**
* Parse a string and return its corresponding value as a double.
*
* @param context the context of the value to be set (e.g. the
* corresponding command line option name)
* @param numstr the string to be parsed
* @param type the type (OPT_INT64 or OPT_FLOAT) as which the
* string should be parsed
* @param min the minimum valid accepted value
* @param max the maximum valid accepted value
*/
int parse_number(const char *context, const char *numstr, int type,
double min, double max, double *dst);
typedef struct SpecifierOpt {
char *specifier; /**< stream/chapter/program/... specifier */
union {
uint8_t *str;
int i;
int64_t i64;
uint64_t ui64;
float f;
double dbl;
} u;
} SpecifierOpt;
typedef struct OptionDef {
const char *name;
int flags;
#define HAS_ARG 0x0001
#define OPT_BOOL 0x0002
#define OPT_EXPERT 0x0004
#define OPT_STRING 0x0008
#define OPT_VIDEO 0x0010
#define OPT_AUDIO 0x0020
#define OPT_INT 0x0080
#define OPT_FLOAT 0x0100
#define OPT_SUBTITLE 0x0200
#define OPT_INT64 0x0400
#define OPT_EXIT 0x0800
#define OPT_DATA 0x1000
#define OPT_PERFILE 0x2000 /* the option is per-file (currently ffmpeg-only).
implied by OPT_OFFSET or OPT_SPEC */
#define OPT_OFFSET 0x4000 /* option is specified as an offset in a passed optctx */
#define OPT_SPEC 0x8000 /* option is to be stored in an array of SpecifierOpt.
Implies OPT_OFFSET. Next element after the offset is
an int containing element count in the array. */
#define OPT_TIME 0x10000
#define OPT_DOUBLE 0x20000
#define OPT_INPUT 0x40000
#define OPT_OUTPUT 0x80000
union {
void *dst_ptr;
int (*func_arg)(void *, const char *, const char *);
size_t off;
} u;
const char *help;
const char *argname;
} OptionDef;
/**
* Print help for all options matching specified flags.
*
* @param options a list of options
* @param msg title of this group. Only printed if at least one option matches.
* @param req_flags print only options which have all those flags set.
* @param rej_flags don't print options which have any of those flags set.
* @param alt_flags print only options that have at least one of those flags set
*/
void show_help_options(const OptionDef *options, const char *msg, int req_flags,
int rej_flags, int alt_flags);
/**
* Show help for all options with given flags in class and all its
* children.
*/
void show_help_children(const AVClass *class, int flags);
/**
* Per-fftool specific help handler. Implemented in each
* fftool, called by show_help().
*/
void show_help_default(const char *opt, const char *arg);
/**
* Parse the command line arguments.
*
* @param optctx an opaque options context
* @param argc number of command line arguments
* @param argv values of command line arguments
* @param options Array with the definitions required to interpret every
* option of the form: -option_name [argument]
* @param parse_arg_function Name of the function called to process every
* argument without a leading option name flag. NULL if such arguments do
* not have to be processed.
*/
int parse_options(void *optctx, int argc, char **argv, const OptionDef *options,
int (* parse_arg_function)(void *optctx, const char*));
/**
* Parse one given option.
*
* @return on success 1 if arg was consumed, 0 otherwise; negative number on error
*/
int parse_option(void *optctx, const char *opt, const char *arg,
const OptionDef *options);
/**
* An option extracted from the commandline.
* Cannot use AVDictionary because of options like -map which can be
* used multiple times.
*/
typedef struct Option {
const OptionDef *opt;
const char *key;
const char *val;
} Option;
typedef struct OptionGroupDef {
/**< group name */
const char *name;
/**
* Option to be used as group separator. Can be NULL for groups which
* are terminated by a non-option argument (e.g. ffmpeg output files)
*/
const char *sep;
/**
* Option flags that must be set on each option that is
* applied to this group
*/
int flags;
} OptionGroupDef;
typedef struct OptionGroup {
const OptionGroupDef *group_def;
const char *arg;
Option *opts;
int nb_opts;
AVDictionary *codec_opts;
AVDictionary *format_opts;
AVDictionary *sws_dict;
AVDictionary *swr_opts;
} OptionGroup;
/**
* A list of option groups that all have the same group type
* (e.g. input files or output files)
*/
typedef struct OptionGroupList {
const OptionGroupDef *group_def;
OptionGroup *groups;
int nb_groups;
} OptionGroupList;
typedef struct OptionParseContext {
OptionGroup global_opts;
OptionGroupList *groups;
int nb_groups;
/* parsing state */
OptionGroup cur_group;
} OptionParseContext;
/**
* Parse an options group and write results into optctx.
*
* @param optctx an app-specific options context. NULL for global options group
*/
int parse_optgroup(void *optctx, OptionGroup *g);
/**
* Split the commandline into an intermediate form convenient for further
* processing.
*
* The commandline is assumed to be composed of options which either belong to a
* group (those with OPT_SPEC, OPT_OFFSET or OPT_PERFILE) or are global
* (everything else).
*
* A group (defined by an OptionGroupDef struct) is a sequence of options
* terminated by either a group separator option (e.g. -i) or a parameter that
* is not an option (doesn't start with -). A group without a separator option
* must always be first in the supplied groups list.
*
* All options within the same group are stored in one OptionGroup struct in an
* OptionGroupList, all groups with the same group definition are stored in one
* OptionGroupList in OptionParseContext.groups. The order of group lists is the
* same as the order of group definitions.
*/
int split_commandline(OptionParseContext *octx, int argc, char *argv[],
const OptionDef *options,
const OptionGroupDef *groups, int nb_groups);
/**
* Free all allocated memory in an OptionParseContext.
*/
void uninit_parse_context(OptionParseContext *octx);
/**
* Find the '-loglevel' option in the command line args and apply it.
*/
void parse_loglevel(int argc, char **argv, const OptionDef *options);
/**
* Return index of option opt in argv or 0 if not found.
*/
int locate_option(int argc, char **argv, const OptionDef *options,
const char *optname);
/**
* Check if the given stream matches a stream specifier.
*
* @param s Corresponding format context.
* @param st Stream from s to be checked.
* @param spec A stream specifier of the [v|a|s|d]:[\<stream index\>] form.
*
* @return 1 if the stream matches, 0 if it doesn't, <0 on error
*/
int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec);
/**
* Filter out options for given codec.
*
* Create a new options dictionary containing only the options from
* opts which apply to the codec with ID codec_id.
*
* @param opts dictionary to place options in
* @param codec_id ID of the codec that should be filtered for
* @param s Corresponding format context.
* @param st A stream from s for which the options should be filtered.
* @param codec The particular codec for which the options should be filtered.
* If null, the default one is looked up according to the codec id.
* @param dst a pointer to the created dictionary
* @return a non-negative number on success, a negative error code on failure
*/
int filter_codec_opts(const AVDictionary *opts, enum AVCodecID codec_id,
AVFormatContext *s, AVStream *st, const AVCodec *codec,
AVDictionary **dst);
/**
* Setup AVCodecContext options for avformat_find_stream_info().
*
* Create an array of dictionaries, one dictionary for each stream
* contained in s.
* Each dictionary will contain the options from codec_opts which can
* be applied to the corresponding stream codec context.
*/
int setup_find_stream_info_opts(AVFormatContext *s,
AVDictionary *codec_opts,
AVDictionary ***dst);
/**
* Print an error message to stderr, indicating filename and a human
* readable description of the error code err.
*
* If strerror_r() is not available the use of this function in a
* multithreaded application may be unsafe.
*
* @see av_strerror()
*/
void print_error(const char *filename, int err);
/**
* Print the program banner to stderr. The banner contents depend on the
* current version of the repository and of the libav* libraries used by
* the program.
*/
void show_banner(int argc, char **argv, const OptionDef *options);
/**
* Return a positive value if a line read from standard input
* starts with [yY], otherwise return 0.
*/
int read_yesno(void);
/**
* Get a file corresponding to a preset file.
*
* If is_path is non-zero, look for the file in the path preset_name.
* Otherwise search for a file named arg.ffpreset in the directories
* $FFMPEG_DATADIR (if set), $HOME/.ffmpeg, and in the datadir defined
* at configuration time or in a "ffpresets" folder along the executable
* on win32, in that order. If no such file is found and
* codec_name is defined, then search for a file named
* codec_name-preset_name.avpreset in the above-mentioned directories.
*
* @param filename buffer where the name of the found filename is written
* @param filename_size size in bytes of the filename buffer
* @param preset_name name of the preset to search
* @param is_path tell if preset_name is a filename path
* @param codec_name name of the codec for which to look for the
* preset, may be NULL
*/
FILE *get_preset_file(char *filename, size_t filename_size,
const char *preset_name, int is_path, const char *codec_name);
/**
* Realloc array to hold new_size elements of elem_size.
*
* @param array pointer to the array to reallocate, will be updated
* with a new pointer on success
* @param elem_size size in bytes of each element
* @param size new element count will be written here
* @param new_size number of elements to place in reallocated array
* @return a non-negative number on success, a negative error code on failure
*/
int grow_array(void **array, int elem_size, int *size, int new_size);
/**
* Atomically add a new element to an array of pointers, i.e. allocate
* a new entry, reallocate the array of pointers and make the new last
* member of this array point to the newly allocated buffer.
*
* @param array array of pointers to reallocate
* @param elem_size size of the new element to allocate
* @param nb_elems pointer to the number of elements of the array array;
* *nb_elems will be incremented by one by this function.
* @return pointer to the newly allocated entry or NULL on failure
*/
void *allocate_array_elem(void *array, size_t elem_size, int *nb_elems);
#define GROW_ARRAY(array, nb_elems)\
grow_array((void**)&array, sizeof(*array), &nb_elems, nb_elems + 1)
#define GET_PIX_FMT_NAME(pix_fmt)\
const char *name = av_get_pix_fmt_name(pix_fmt);
#define GET_CODEC_NAME(id)\
const char *name = avcodec_descriptor_get(id)->name;
#define GET_SAMPLE_FMT_NAME(sample_fmt)\
const char *name = av_get_sample_fmt_name(sample_fmt)
#define GET_SAMPLE_RATE_NAME(rate)\
char name[16];\
snprintf(name, sizeof(name), "%d", rate);
double get_rotation(const int32_t *displaymatrix);
#endif /* FFTOOLS_CMDUTILS_H */

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/*
* MSVC Compatible va_copy macro
* Copyright (c) 2012 Derek Buitenhuis
*
* 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 COMPAT_VA_COPY_H
#define COMPAT_VA_COPY_H
#include <stdarg.h>
#if !defined(va_copy) && defined(_MSC_VER)
#define va_copy(dst, src) ((dst) = (src))
#endif
#if !defined(va_copy) && defined(__GNUC__) && __GNUC__ < 3
#define va_copy(dst, src) __va_copy(dst, src)
#endif
#endif /* COMPAT_VA_COPY_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 FFTOOLS_FOPEN_UTF8_H
#define FFTOOLS_FOPEN_UTF8_H
#include <stdio.h>
/* The fopen_utf8 function here is essentially equivalent to avpriv_fopen_utf8,
* except that it doesn't set O_CLOEXEC, and that it isn't exported
* from a different library. (On Windows, each DLL might use a different
* CRT, and FILE* handles can't be shared across them.) */
#ifdef _WIN32
#include "libavutil/wchar_filename.h"
static inline FILE *fopen_utf8(const char *path_utf8, const char *mode)
{
wchar_t *path_w, *mode_w;
FILE *f;
/* convert UTF-8 to wide chars */
if (get_extended_win32_path(path_utf8, &path_w)) /* This sets errno on error. */
return NULL;
if (!path_w)
goto fallback;
if (utf8towchar(mode, &mode_w))
return NULL;
if (!mode_w) {
/* If failing to interpret the mode string as utf8, it is an invalid
* parameter. */
av_freep(&path_w);
errno = EINVAL;
return NULL;
}
f = _wfopen(path_w, mode_w);
av_freep(&path_w);
av_freep(&mode_w);
return f;
fallback:
/* path may be in CP_ACP */
return fopen(path_utf8, mode);
}
#else
static inline FILE *fopen_utf8(const char *path, const char *mode)
{
return fopen(path, mode);
}
#endif
#endif /* FFTOOLS_FOPEN_UTF8_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
#include "version_major.h"
#ifndef HAVE_AV_CONFIG_H
/* When included as part of the ffmpeg build, only include the major version
* to avoid unnecessary rebuilds. When included externally, keep including
* the full version information. */
#include "version.h"
#endif
/**
* @file
* @ingroup lavd
* Main libavdevice API header
*/
/**
* @defgroup lavd libavdevice
* Special devices muxing/demuxing library.
*
* Libavdevice is a complementary library to @ref libavf "libavformat". It
* provides various "special" platform-specific muxers and demuxers, e.g. for
* grabbing devices, audio capture and playback etc. As a consequence, the
* (de)muxers in libavdevice are of the AVFMT_NOFILE type (they use their own
* I/O functions). The filename passed to avformat_open_input() often does not
* refer to an actually existing file, but has some special device-specific
* meaning - e.g. for xcbgrab it is the display name.
*
* To use libavdevice, simply call avdevice_register_all() to register all
* compiled muxers and demuxers. They all use standard libavformat API.
*
* @{
*/
#include "libavutil/log.h"
#include "libavutil/opt.h"
#include "libavutil/dict.h"
#include "libavformat/avformat.h"
/**
* Return the LIBAVDEVICE_VERSION_INT constant.
*/
unsigned avdevice_version(void);
/**
* Return the libavdevice build-time configuration.
*/
const char *avdevice_configuration(void);
/**
* Return the libavdevice license.
*/
const char *avdevice_license(void);
/**
* Initialize libavdevice and register all the input and output devices.
*/
void avdevice_register_all(void);
/**
* Audio input devices iterator.
*
* If d is NULL, returns the first registered input audio/video device,
* if d is non-NULL, returns the next registered input audio/video device after d
* or NULL if d is the last one.
*/
const AVInputFormat *av_input_audio_device_next(const AVInputFormat *d);
/**
* Video input devices iterator.
*
* If d is NULL, returns the first registered input audio/video device,
* if d is non-NULL, returns the next registered input audio/video device after d
* or NULL if d is the last one.
*/
const AVInputFormat *av_input_video_device_next(const AVInputFormat *d);
/**
* Audio output devices iterator.
*
* If d is NULL, returns the first registered output audio/video device,
* if d is non-NULL, returns the next registered output audio/video device after d
* or NULL if d is the last one.
*/
const AVOutputFormat *av_output_audio_device_next(const AVOutputFormat *d);
/**
* Video output devices iterator.
*
* If d is NULL, returns the first registered output audio/video device,
* if d is non-NULL, returns the next registered output audio/video device after d
* or NULL if d is the last one.
*/
const AVOutputFormat *av_output_video_device_next(const AVOutputFormat *d);
typedef struct AVDeviceRect {
int x; /**< x coordinate of top left corner */
int y; /**< y coordinate of top left corner */
int width; /**< width */
int height; /**< height */
} AVDeviceRect;
/**
* Message types used by avdevice_app_to_dev_control_message().
*/
enum AVAppToDevMessageType {
/**
* Dummy message.
*/
AV_APP_TO_DEV_NONE = MKBETAG('N','O','N','E'),
/**
* Window size change message.
*
* Message is sent to the device every time the application changes the size
* of the window device renders to.
* Message should also be sent right after window is created.
*
* data: AVDeviceRect: new window size.
*/
AV_APP_TO_DEV_WINDOW_SIZE = MKBETAG('G','E','O','M'),
/**
* Repaint request message.
*
* Message is sent to the device when window has to be repainted.
*
* data: AVDeviceRect: area required to be repainted.
* NULL: whole area is required to be repainted.
*/
AV_APP_TO_DEV_WINDOW_REPAINT = MKBETAG('R','E','P','A'),
/**
* Request pause/play.
*
* Application requests pause/unpause playback.
* Mostly usable with devices that have internal buffer.
* By default devices are not paused.
*
* data: NULL
*/
AV_APP_TO_DEV_PAUSE = MKBETAG('P', 'A', 'U', ' '),
AV_APP_TO_DEV_PLAY = MKBETAG('P', 'L', 'A', 'Y'),
AV_APP_TO_DEV_TOGGLE_PAUSE = MKBETAG('P', 'A', 'U', 'T'),
/**
* Volume control message.
*
* Set volume level. It may be device-dependent if volume
* is changed per stream or system wide. Per stream volume
* change is expected when possible.
*
* data: double: new volume with range of 0.0 - 1.0.
*/
AV_APP_TO_DEV_SET_VOLUME = MKBETAG('S', 'V', 'O', 'L'),
/**
* Mute control messages.
*
* Change mute state. It may be device-dependent if mute status
* is changed per stream or system wide. Per stream mute status
* change is expected when possible.
*
* data: NULL.
*/
AV_APP_TO_DEV_MUTE = MKBETAG(' ', 'M', 'U', 'T'),
AV_APP_TO_DEV_UNMUTE = MKBETAG('U', 'M', 'U', 'T'),
AV_APP_TO_DEV_TOGGLE_MUTE = MKBETAG('T', 'M', 'U', 'T'),
/**
* Get volume/mute messages.
*
* Force the device to send AV_DEV_TO_APP_VOLUME_LEVEL_CHANGED or
* AV_DEV_TO_APP_MUTE_STATE_CHANGED command respectively.
*
* data: NULL.
*/
AV_APP_TO_DEV_GET_VOLUME = MKBETAG('G', 'V', 'O', 'L'),
AV_APP_TO_DEV_GET_MUTE = MKBETAG('G', 'M', 'U', 'T'),
};
/**
* Message types used by avdevice_dev_to_app_control_message().
*/
enum AVDevToAppMessageType {
/**
* Dummy message.
*/
AV_DEV_TO_APP_NONE = MKBETAG('N','O','N','E'),
/**
* Create window buffer message.
*
* Device requests to create a window buffer. Exact meaning is device-
* and application-dependent. Message is sent before rendering first
* frame and all one-shot initializations should be done here.
* Application is allowed to ignore preferred window buffer size.
*
* @note: Application is obligated to inform about window buffer size
* with AV_APP_TO_DEV_WINDOW_SIZE message.
*
* data: AVDeviceRect: preferred size of the window buffer.
* NULL: no preferred size of the window buffer.
*/
AV_DEV_TO_APP_CREATE_WINDOW_BUFFER = MKBETAG('B','C','R','E'),
/**
* Prepare window buffer message.
*
* Device requests to prepare a window buffer for rendering.
* Exact meaning is device- and application-dependent.
* Message is sent before rendering of each frame.
*
* data: NULL.
*/
AV_DEV_TO_APP_PREPARE_WINDOW_BUFFER = MKBETAG('B','P','R','E'),
/**
* Display window buffer message.
*
* Device requests to display a window buffer.
* Message is sent when new frame is ready to be displayed.
* Usually buffers need to be swapped in handler of this message.
*
* data: NULL.
*/
AV_DEV_TO_APP_DISPLAY_WINDOW_BUFFER = MKBETAG('B','D','I','S'),
/**
* Destroy window buffer message.
*
* Device requests to destroy a window buffer.
* Message is sent when device is about to be destroyed and window
* buffer is not required anymore.
*
* data: NULL.
*/
AV_DEV_TO_APP_DESTROY_WINDOW_BUFFER = MKBETAG('B','D','E','S'),
/**
* Buffer fullness status messages.
*
* Device signals buffer overflow/underflow.
*
* data: NULL.
*/
AV_DEV_TO_APP_BUFFER_OVERFLOW = MKBETAG('B','O','F','L'),
AV_DEV_TO_APP_BUFFER_UNDERFLOW = MKBETAG('B','U','F','L'),
/**
* Buffer readable/writable.
*
* Device informs that buffer is readable/writable.
* When possible, device informs how many bytes can be read/write.
*
* @warning Device may not inform when number of bytes than can be read/write changes.
*
* data: int64_t: amount of bytes available to read/write.
* NULL: amount of bytes available to read/write is not known.
*/
AV_DEV_TO_APP_BUFFER_READABLE = MKBETAG('B','R','D',' '),
AV_DEV_TO_APP_BUFFER_WRITABLE = MKBETAG('B','W','R',' '),
/**
* Mute state change message.
*
* Device informs that mute state has changed.
*
* data: int: 0 for not muted state, non-zero for muted state.
*/
AV_DEV_TO_APP_MUTE_STATE_CHANGED = MKBETAG('C','M','U','T'),
/**
* Volume level change message.
*
* Device informs that volume level has changed.
*
* data: double: new volume with range of 0.0 - 1.0.
*/
AV_DEV_TO_APP_VOLUME_LEVEL_CHANGED = MKBETAG('C','V','O','L'),
};
/**
* Send control message from application to device.
*
* @param s device context.
* @param type message type.
* @param data message data. Exact type depends on message type.
* @param data_size size of message data.
* @return >= 0 on success, negative on error.
* AVERROR(ENOSYS) when device doesn't implement handler of the message.
*/
int avdevice_app_to_dev_control_message(struct AVFormatContext *s,
enum AVAppToDevMessageType type,
void *data, size_t data_size);
/**
* Send control message from device to application.
*
* @param s device context.
* @param type message type.
* @param data message data. Can be NULL.
* @param data_size size of message data.
* @return >= 0 on success, negative on error.
* AVERROR(ENOSYS) when application doesn't implement handler of the message.
*/
int avdevice_dev_to_app_control_message(struct AVFormatContext *s,
enum AVDevToAppMessageType type,
void *data, size_t data_size);
/**
* Structure describes basic parameters of the device.
*/
typedef struct AVDeviceInfo {
char *device_name; /**< device name, format depends on device */
char *device_description; /**< human friendly name */
enum AVMediaType *media_types; /**< array indicating what media types(s), if any, a device can provide. If null, cannot provide any */
int nb_media_types; /**< length of media_types array, 0 if device cannot provide any media types */
} AVDeviceInfo;
/**
* List of devices.
*/
typedef struct AVDeviceInfoList {
AVDeviceInfo **devices; /**< list of autodetected devices */
int nb_devices; /**< number of autodetected devices */
int default_device; /**< index of default device or -1 if no default */
} AVDeviceInfoList;
/**
* List devices.
*
* Returns available device names and their parameters.
*
* @note: Some devices may accept system-dependent device names that cannot be
* autodetected. The list returned by this function cannot be assumed to
* be always completed.
*
* @param s device context.
* @param[out] device_list list of autodetected devices.
* @return count of autodetected devices, negative on error.
*/
int avdevice_list_devices(struct AVFormatContext *s, AVDeviceInfoList **device_list);
/**
* Convenient function to free result of avdevice_list_devices().
*
* @param device_list device list to be freed.
*/
void avdevice_free_list_devices(AVDeviceInfoList **device_list);
/**
* List devices.
*
* Returns available device names and their parameters.
* These are convinient wrappers for avdevice_list_devices().
* Device context is allocated and deallocated internally.
*
* @param device device format. May be NULL if device name is set.
* @param device_name device name. May be NULL if device format is set.
* @param device_options An AVDictionary filled with device-private options. May be NULL.
* The same options must be passed later to avformat_write_header() for output
* devices or avformat_open_input() for input devices, or at any other place
* that affects device-private options.
* @param[out] device_list list of autodetected devices
* @return count of autodetected devices, negative on error.
* @note device argument takes precedence over device_name when both are set.
*/
int avdevice_list_input_sources(const AVInputFormat *device, const char *device_name,
AVDictionary *device_options, AVDeviceInfoList **device_list);
int avdevice_list_output_sinks(const AVOutputFormat *device, const char *device_name,
AVDictionary *device_options, AVDeviceInfoList **device_list);
/**
* @}
*/
#endif /* AVDEVICE_AVDEVICE_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_VERSION_H
#define AVDEVICE_VERSION_H
/**
* @file
* @ingroup lavd
* Libavdevice version macros
*/
#include "libavutil/version.h"
#include "version_major.h"
#define LIBAVDEVICE_VERSION_MINOR 3
#define LIBAVDEVICE_VERSION_MICRO 100
#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
#define LIBAVDEVICE_IDENT "Lavd" AV_STRINGIFY(LIBAVDEVICE_VERSION)
#endif /* AVDEVICE_VERSION_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_VERSION_MAJOR_H
#define AVDEVICE_VERSION_MAJOR_H
/**
* @file
* @ingroup lavd
* Libavdevice version macros
*/
#define LIBAVDEVICE_VERSION_MAJOR 60
/**
* FF_API_* defines may be placed below to indicate public API that will be
* dropped at a future version bump. The defines themselves are not part of
* the public API and may change, break or disappear at any time.
*/
#endif /* AVDEVICE_VERSION_MAJOR_H */

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/*
* Copyright (C) 2001-2003 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 General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU 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 POSTPROC_POSTPROCESS_H
#define POSTPROC_POSTPROCESS_H
/**
* @file
* @ingroup lpp
* external API header
*/
/**
* @defgroup lpp libpostproc
* Video postprocessing library.
*
* @{
*/
#include "libpostproc/version_major.h"
#ifndef HAVE_AV_CONFIG_H
/* When included as part of the ffmpeg build, only include the major version
* to avoid unnecessary rebuilds. When included externally, keep including
* the full version information. */
#include "libpostproc/version.h"
#endif
/**
* Return the LIBPOSTPROC_VERSION_INT constant.
*/
unsigned postproc_version(void);
/**
* Return the libpostproc build-time configuration.
*/
const char *postproc_configuration(void);
/**
* Return the libpostproc license.
*/
const char *postproc_license(void);
#define PP_QUALITY_MAX 6
#include <inttypes.h>
typedef void pp_context;
typedef void pp_mode;
extern const char pp_help[]; ///< a simple help text
void pp_postprocess(const uint8_t * src[3], const int srcStride[3],
uint8_t * dst[3], const int dstStride[3],
int horizontalSize, int verticalSize,
const int8_t *QP_store, int QP_stride,
pp_mode *mode, pp_context *ppContext, int pict_type);
/**
* Return a pp_mode or NULL if an error occurred.
*
* @param name the string after "-pp" on the command line
* @param quality a number from 0 to PP_QUALITY_MAX
*/
pp_mode *pp_get_mode_by_name_and_quality(const char *name, int quality);
void pp_free_mode(pp_mode *mode);
pp_context *pp_get_context(int width, int height, int flags);
void pp_free_context(pp_context *ppContext);
#define PP_CPU_CAPS_MMX 0x80000000
#define PP_CPU_CAPS_MMX2 0x20000000
#define PP_CPU_CAPS_3DNOW 0x40000000
#define PP_CPU_CAPS_ALTIVEC 0x10000000
#define PP_CPU_CAPS_AUTO 0x00080000
#define PP_FORMAT 0x00000008
#define PP_FORMAT_420 (0x00000011|PP_FORMAT)
#define PP_FORMAT_422 (0x00000001|PP_FORMAT)
#define PP_FORMAT_411 (0x00000002|PP_FORMAT)
#define PP_FORMAT_444 (0x00000000|PP_FORMAT)
#define PP_FORMAT_440 (0x00000010|PP_FORMAT)
#define PP_PICT_TYPE_QP2 0x00000010 ///< MPEG2 style QScale
/**
* @}
*/
#endif /* POSTPROC_POSTPROCESS_H */

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/*
* Copyright (C) 2001-2002 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 General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU 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
* internal API header.
*/
#ifndef POSTPROC_POSTPROCESS_INTERNAL_H
#define POSTPROC_POSTPROCESS_INTERNAL_H
#include <string.h>
#include "libavutil/avutil.h"
#include "libavutil/intmath.h"
#include "libavutil/log.h"
#include "libavutil/mem_internal.h"
#include "postprocess.h"
#define V_DEBLOCK 0x01
#define H_DEBLOCK 0x02
#define DERING 0x04
#define LEVEL_FIX 0x08 ///< Brightness & Contrast
#define LUM_V_DEBLOCK V_DEBLOCK // 1
#define LUM_H_DEBLOCK H_DEBLOCK // 2
#define CHROM_V_DEBLOCK (V_DEBLOCK<<4) // 16
#define CHROM_H_DEBLOCK (H_DEBLOCK<<4) // 32
#define LUM_DERING DERING // 4
#define CHROM_DERING (DERING<<4) // 64
#define LUM_LEVEL_FIX LEVEL_FIX // 8
#define CHROM_LEVEL_FIX (LEVEL_FIX<<4) // 128 (not implemented yet)
// Experimental vertical filters
#define V_X1_FILTER 0x0200 // 512
#define V_A_DEBLOCK 0x0400
// Experimental horizontal filters
#define H_X1_FILTER 0x2000 // 8192
#define H_A_DEBLOCK 0x4000
/// select between full y range (255-0) or standard one (234-16)
#define FULL_Y_RANGE 0x8000 // 32768
//Deinterlacing Filters
#define LINEAR_IPOL_DEINT_FILTER 0x10000 // 65536
#define LINEAR_BLEND_DEINT_FILTER 0x20000 // 131072
#define CUBIC_BLEND_DEINT_FILTER 0x8000 // (not implemented yet)
#define CUBIC_IPOL_DEINT_FILTER 0x40000 // 262144
#define MEDIAN_DEINT_FILTER 0x80000 // 524288
#define FFMPEG_DEINT_FILTER 0x400000
#define LOWPASS5_DEINT_FILTER 0x800000
#define TEMP_NOISE_FILTER 0x100000
#define FORCE_QUANT 0x200000
#define BITEXACT 0x1000000
#define VISUALIZE 0x2000000
//use if you want a faster postprocessing code
//cannot differentiate between chroma & luma filters (both on or both off)
//obviously the -pp option on the command line has no effect except turning the here selected
//filters on
//#define COMPILE_TIME_MODE 0x77
/**
* Postprocessing filter.
*/
struct PPFilter{
const char *shortName;
const char *longName;
int chromDefault; ///< is chrominance filtering on by default if this filter is manually activated
int minLumQuality; ///< minimum quality to turn luminance filtering on
int minChromQuality; ///< minimum quality to turn chrominance filtering on
int mask; ///< Bitmask to turn this filter on
};
/**
* Postprocessing mode.
*/
typedef struct PPMode{
int lumMode; ///< activates filters for luminance
int chromMode; ///< activates filters for chrominance
int error; ///< non zero on error
int minAllowedY; ///< for brightness correction
int maxAllowedY; ///< for brightness correction
AVRational maxClippedThreshold; ///< amount of "black" you are willing to lose to get a brightness-corrected picture
int maxTmpNoise[3]; ///< for Temporal Noise Reducing filter (Maximal sum of abs differences)
int baseDcDiff;
int flatnessThreshold;
int forcedQuant; ///< quantizer if FORCE_QUANT is used
} PPMode;
/**
* postprocess context.
*/
typedef struct PPContext{
/**
* info on struct for av_log
*/
const AVClass *av_class;
uint8_t *tempBlocks; ///<used for the horizontal code
/**
* luma histogram.
* we need 64bit here otherwise we'll going to have a problem
* after watching a black picture for 5 hours
*/
uint64_t *yHistogram;
DECLARE_ALIGNED(8, uint64_t, packedYOffset);
DECLARE_ALIGNED(8, uint64_t, packedYScale);
/** Temporal noise reducing buffers */
uint8_t *tempBlurred[3];
int32_t *tempBlurredPast[3];
/** Temporary buffers for handling the last row(s) */
uint8_t *tempDst;
uint8_t *tempSrc;
uint8_t *deintTemp;
DECLARE_ALIGNED(8, uint64_t, pQPb);
DECLARE_ALIGNED(8, uint64_t, pQPb2);
DECLARE_ALIGNED(32, uint64_t, pQPb_block)[4];
DECLARE_ALIGNED(32, uint64_t, pQPb2_block)[4];
DECLARE_ALIGNED(32, uint64_t, mmxDcOffset)[64];
DECLARE_ALIGNED(32, uint64_t, mmxDcThreshold)[64];
int8_t *stdQPTable; ///< used to fix MPEG2 style qscale
int8_t *nonBQPTable;
int8_t *forcedQPTable;
int QP;
int nonBQP;
DECLARE_ALIGNED(32, int, QP_block)[4];
DECLARE_ALIGNED(32, int, nonBQP_block)[4];
int frameNum;
int cpuCaps;
int qpStride; ///<size of qp buffers (needed to realloc them if needed)
int stride; ///<size of some buffers (needed to realloc them if needed)
int hChromaSubSample;
int vChromaSubSample;
PPMode ppMode;
} PPContext;
static inline void linecpy(void *dest, const void *src, int lines, int stride) {
if (stride > 0) {
memcpy(dest, src, lines*stride);
} else {
memcpy((uint8_t*)dest+(lines-1)*stride, (const uint8_t*)src+(lines-1)*stride, -lines*stride);
}
}
#endif /* POSTPROC_POSTPROCESS_INTERNAL_H */

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/*
* Version macros.
*
* 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 POSTPROC_VERSION_H
#define POSTPROC_VERSION_H
/**
* @file
* Libpostproc version macros
*/
#include "libavutil/version.h"
#include "version_major.h"
#define LIBPOSTPROC_VERSION_MINOR 3
#define LIBPOSTPROC_VERSION_MICRO 100
#define LIBPOSTPROC_VERSION_INT AV_VERSION_INT(LIBPOSTPROC_VERSION_MAJOR, \
LIBPOSTPROC_VERSION_MINOR, \
LIBPOSTPROC_VERSION_MICRO)
#define LIBPOSTPROC_VERSION AV_VERSION(LIBPOSTPROC_VERSION_MAJOR, \
LIBPOSTPROC_VERSION_MINOR, \
LIBPOSTPROC_VERSION_MICRO)
#define LIBPOSTPROC_BUILD LIBPOSTPROC_VERSION_INT
#define LIBPOSTPROC_IDENT "postproc" AV_STRINGIFY(LIBPOSTPROC_VERSION)
#endif /* POSTPROC_VERSION_H */

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/*
* Version macros.
*
* 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 POSTPROC_VERSION_MAJOR_H
#define POSTPROC_VERSION_MAJOR_H
/**
* @file
* Libpostproc version macros
*/
#define LIBPOSTPROC_VERSION_MAJOR 57
#endif /* POSTPROC_VERSION_MAJOR_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 FFTOOLS_OBJPOOL_H
#define FFTOOLS_OBJPOOL_H
typedef struct ObjPool ObjPool;
typedef void* (*ObjPoolCBAlloc)(void);
typedef void (*ObjPoolCBReset)(void *);
typedef void (*ObjPoolCBFree)(void **);
void objpool_free(ObjPool **op);
ObjPool *objpool_alloc(ObjPoolCBAlloc cb_alloc, ObjPoolCBReset cb_reset,
ObjPoolCBFree cb_free);
ObjPool *objpool_alloc_packets(void);
ObjPool *objpool_alloc_frames(void);
int objpool_get(ObjPool *op, void **obj);
void objpool_release(ObjPool *op, void **obj);
#endif // FFTOOLS_OBJPOOL_H

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/*
* Option handlers shared between the tools.
*
* 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 FFTOOLS_OPT_COMMON_H
#define FFTOOLS_OPT_COMMON_H
#include "config.h"
#include "cmdutils.h"
#if CONFIG_AVDEVICE
/**
* Print a listing containing autodetected sinks of the output device.
* Device name with options may be passed as an argument to limit results.
*/
int show_sinks(void *optctx, const char *opt, const char *arg);
/**
* Print a listing containing autodetected sources of the input device.
* Device name with options may be passed as an argument to limit results.
*/
int show_sources(void *optctx, const char *opt, const char *arg);
#endif
#if CONFIG_AVDEVICE
#define CMDUTILS_COMMON_OPTIONS_AVDEVICE \
{ "sources" , OPT_EXIT | HAS_ARG, { .func_arg = show_sources }, \
"list sources of the input device", "device" }, \
{ "sinks" , OPT_EXIT | HAS_ARG, { .func_arg = show_sinks }, \
"list sinks of the output device", "device" }, \
#else
#define CMDUTILS_COMMON_OPTIONS_AVDEVICE
#endif
/**
* Print the license of the program to stdout. The license depends on
* the license of the libraries compiled into the program.
* This option processing function does not utilize the arguments.
*/
int show_license(void *optctx, const char *opt, const char *arg);
/**
* Generic -h handler common to all fftools.
*/
int show_help(void *optctx, const char *opt, const char *arg);
/**
* Print the version of the program to stdout. The version message
* depends on the current versions of the repository and of the libav*
* libraries.
* This option processing function does not utilize the arguments.
*/
int show_version(void *optctx, const char *opt, const char *arg);
/**
* Print the build configuration of the program to stdout. The contents
* depend on the definition of FFMPEG_CONFIGURATION.
* This option processing function does not utilize the arguments.
*/
int show_buildconf(void *optctx, const char *opt, const char *arg);
/**
* Print a listing containing all the formats supported by the
* program (including devices).
* This option processing function does not utilize the arguments.
*/
int show_formats(void *optctx, const char *opt, const char *arg);
/**
* Print a listing containing all the muxers supported by the
* program (including devices).
* This option processing function does not utilize the arguments.
*/
int show_muxers(void *optctx, const char *opt, const char *arg);
/**
* Print a listing containing all the demuxer supported by the
* program (including devices).
* This option processing function does not utilize the arguments.
*/
int show_demuxers(void *optctx, const char *opt, const char *arg);
/**
* Print a listing containing all the devices supported by the
* program.
* This option processing function does not utilize the arguments.
*/
int show_devices(void *optctx, const char *opt, const char *arg);
/**
* Print a listing containing all the codecs supported by the
* program.
* This option processing function does not utilize the arguments.
*/
int show_codecs(void *optctx, const char *opt, const char *arg);
/**
* Print a listing containing all the decoders supported by the
* program.
*/
int show_decoders(void *optctx, const char *opt, const char *arg);
/**
* Print a listing containing all the encoders supported by the
* program.
*/
int show_encoders(void *optctx, const char *opt, const char *arg);
/**
* Print a listing containing all the bit stream filters supported by the
* program.
* This option processing function does not utilize the arguments.
*/
int show_bsfs(void *optctx, const char *opt, const char *arg);
/**
* Print a listing containing all the protocols supported by the
* program.
* This option processing function does not utilize the arguments.
*/
int show_protocols(void *optctx, const char *opt, const char *arg);
/**
* Print a listing containing all the filters supported by the
* program.
* This option processing function does not utilize the arguments.
*/
int show_filters(void *optctx, const char *opt, const char *arg);
/**
* Print a listing containing all the pixel formats supported by the
* program.
* This option processing function does not utilize the arguments.
*/
int show_pix_fmts(void *optctx, const char *opt, const char *arg);
/**
* Print a listing containing all the standard channel layouts supported by
* the program.
* This option processing function does not utilize the arguments.
*/
int show_layouts(void *optctx, const char *opt, const char *arg);
/**
* Print a listing containing all the sample formats supported by the
* program.
*/
int show_sample_fmts(void *optctx, const char *opt, const char *arg);
/**
* Print a listing containing all supported stream dispositions.
*/
int show_dispositions(void *optctx, const char *opt, const char *arg);
/**
* Print a listing containing all the color names and values recognized
* by the program.
*/
int show_colors(void *optctx, const char *opt, const char *arg);
/**
* Set the libav* libraries log level.
*/
int opt_loglevel(void *optctx, const char *opt, const char *arg);
int opt_report(void *optctx, const char *opt, const char *arg);
int init_report(const char *env, FILE **file);
int opt_max_alloc(void *optctx, const char *opt, const char *arg);
/**
* Override the cpuflags.
*/
int opt_cpuflags(void *optctx, const char *opt, const char *arg);
/**
* Override the cpucount.
*/
int opt_cpucount(void *optctx, const char *opt, const char *arg);
#define CMDUTILS_COMMON_OPTIONS \
{ "L", OPT_EXIT, { .func_arg = show_license }, "show license" }, \
{ "h", OPT_EXIT, { .func_arg = show_help }, "show help", "topic" }, \
{ "?", OPT_EXIT, { .func_arg = show_help }, "show help", "topic" }, \
{ "help", OPT_EXIT, { .func_arg = show_help }, "show help", "topic" }, \
{ "-help", OPT_EXIT, { .func_arg = show_help }, "show help", "topic" }, \
{ "version", OPT_EXIT, { .func_arg = show_version }, "show version" }, \
{ "buildconf", OPT_EXIT, { .func_arg = show_buildconf }, "show build configuration" }, \
{ "formats", OPT_EXIT, { .func_arg = show_formats }, "show available formats" }, \
{ "muxers", OPT_EXIT, { .func_arg = show_muxers }, "show available muxers" }, \
{ "demuxers", OPT_EXIT, { .func_arg = show_demuxers }, "show available demuxers" }, \
{ "devices", OPT_EXIT, { .func_arg = show_devices }, "show available devices" }, \
{ "codecs", OPT_EXIT, { .func_arg = show_codecs }, "show available codecs" }, \
{ "decoders", OPT_EXIT, { .func_arg = show_decoders }, "show available decoders" }, \
{ "encoders", OPT_EXIT, { .func_arg = show_encoders }, "show available encoders" }, \
{ "bsfs", OPT_EXIT, { .func_arg = show_bsfs }, "show available bit stream filters" }, \
{ "protocols", OPT_EXIT, { .func_arg = show_protocols }, "show available protocols" }, \
{ "filters", OPT_EXIT, { .func_arg = show_filters }, "show available filters" }, \
{ "pix_fmts", OPT_EXIT, { .func_arg = show_pix_fmts }, "show available pixel formats" }, \
{ "layouts", OPT_EXIT, { .func_arg = show_layouts }, "show standard channel layouts" }, \
{ "sample_fmts", OPT_EXIT, { .func_arg = show_sample_fmts }, "show available audio sample formats" }, \
{ "dispositions", OPT_EXIT, { .func_arg = show_dispositions}, "show available stream dispositions" }, \
{ "colors", OPT_EXIT, { .func_arg = show_colors }, "show available color names" }, \
{ "loglevel", HAS_ARG, { .func_arg = opt_loglevel }, "set logging level", "loglevel" }, \
{ "v", HAS_ARG, { .func_arg = opt_loglevel }, "set logging level", "loglevel" }, \
{ "report", 0, { .func_arg = opt_report }, "generate a report" }, \
{ "max_alloc", HAS_ARG, { .func_arg = opt_max_alloc }, "set maximum size of a single allocated block", "bytes" }, \
{ "cpuflags", HAS_ARG | OPT_EXPERT, { .func_arg = opt_cpuflags }, "force specific cpu flags", "flags" }, \
{ "cpucount", HAS_ARG | OPT_EXPERT, { .func_arg = opt_cpucount }, "force specific cpu count", "count" }, \
{ "hide_banner", OPT_BOOL | OPT_EXPERT, {&hide_banner}, "do not show program banner", "hide_banner" }, \
CMDUTILS_COMMON_OPTIONS_AVDEVICE \
#endif /* FFTOOLS_OPT_COMMON_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 FFTOOLS_SYNC_QUEUE_H
#define FFTOOLS_SYNC_QUEUE_H
#include <stdint.h>
#include "libavcodec/packet.h"
#include "libavutil/frame.h"
enum SyncQueueType {
SYNC_QUEUE_PACKETS,
SYNC_QUEUE_FRAMES,
};
typedef union SyncQueueFrame {
AVFrame *f;
AVPacket *p;
} SyncQueueFrame;
#define SQFRAME(frame) ((SyncQueueFrame){ .f = (frame) })
#define SQPKT(pkt) ((SyncQueueFrame){ .p = (pkt) })
/**
* A sync queue provides timestamp synchronization between multiple streams.
* Some of these streams are marked as "limiting", then the queue ensures no
* stream gets ahead of any of the limiting streams.
*/
typedef struct SyncQueue SyncQueue;
/**
* Allocate a sync queue of the given type.
*
* @param buf_size_us maximum duration that will be buffered in microseconds
*/
SyncQueue *sq_alloc(enum SyncQueueType type, int64_t buf_size_us, void *logctx);
void sq_free(SyncQueue **sq);
/**
* Add a new stream to the sync queue.
*
* @param limiting whether the stream is limiting, i.e. no other stream can be
* longer than this one
* @return
* - a non-negative stream index on success
* - a negative error code on error
*/
int sq_add_stream(SyncQueue *sq, int limiting);
/**
* Limit the number of output frames for stream with index stream_idx
* to max_frames.
*/
void sq_limit_frames(SyncQueue *sq, unsigned int stream_idx,
uint64_t max_frames);
/**
* Set a constant output audio frame size, in samples. Can only be used with
* SYNC_QUEUE_FRAMES queues and audio streams.
*
* All output frames will have exactly frame_samples audio samples, except
* possibly for the last one, which may have fewer.
*/
void sq_frame_samples(SyncQueue *sq, unsigned int stream_idx,
int frame_samples);
/**
* Submit a frame for the stream with index stream_idx.
*
* On success, the sync queue takes ownership of the frame and will reset the
* contents of the supplied frame. On failure, the frame remains owned by the
* caller.
*
* Sending a frame with NULL contents marks the stream as finished.
*
* @return
* - 0 on success
* - AVERROR_EOF when no more frames should be submitted for this stream
* - another a negative error code on failure
*/
int sq_send(SyncQueue *sq, unsigned int stream_idx, SyncQueueFrame frame);
/**
* Read a frame from the queue.
*
* @param stream_idx index of the stream to read a frame for. May be -1, then
* try to read a frame from any stream that is ready for
* output.
* @param frame output frame will be written here on success. The frame is owned
* by the caller.
*
* @return
* - a non-negative index of the stream to which the returned frame belongs
* - AVERROR(EAGAIN) when more frames need to be submitted to the queue
* - AVERROR_EOF when no more frames will be available for this stream (for any
* stream if stream_idx is -1)
* - another negative error code on failure
*/
int sq_receive(SyncQueue *sq, int stream_idx, SyncQueueFrame frame);
#endif // FFTOOLS_SYNC_QUEUE_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 FFTOOLS_THREAD_QUEUE_H
#define FFTOOLS_THREAD_QUEUE_H
#include <string.h>
#include "objpool.h"
typedef struct ThreadQueue ThreadQueue;
/**
* Allocate a queue for sending data between threads.
*
* @param nb_streams number of streams for which a distinct EOF state is
* maintained
* @param queue_size number of items that can be stored in the queue without
* blocking
* @param obj_pool object pool that will be used to allocate items stored in the
* queue; the pool becomes owned by the queue
* @param callback that moves the contents between two data pointers
*/
ThreadQueue *tq_alloc(unsigned int nb_streams, size_t queue_size,
ObjPool *obj_pool, void (*obj_move)(void *dst, void *src));
void tq_free(ThreadQueue **tq);
/**
* Send an item for the given stream to the queue.
*
* @param data the item to send, its contents will be moved using the callback
* provided to tq_alloc(); on failure the item will be left
* untouched
* @return
* - 0 the item was successfully sent
* - AVERROR(ENOMEM) could not allocate an item for writing to the FIFO
* - AVERROR(EINVAL) the sending side has previously been marked as finished
* - AVERROR_EOF the receiving side has marked the given stream as finished
*/
int tq_send(ThreadQueue *tq, unsigned int stream_idx, void *data);
/**
* Mark the given stream finished from the sending side.
*/
void tq_send_finish(ThreadQueue *tq, unsigned int stream_idx);
/**
* Read the next item from the queue.
*
* @param stream_idx the index of the stream that was processed or -1 will be
* written here
* @param data the data item will be written here on success using the
* callback provided to tq_alloc()
* @return
* - 0 a data item was successfully read; *stream_idx contains a non-negative
* stream index
* - AVERROR_EOF When *stream_idx is non-negative, this signals that the sending
* side has marked the given stream as finished. This will happen at most once
* for each stream. When *stream_idx is -1, all streams are done.
*/
int tq_receive(ThreadQueue *tq, int *stream_idx, void *data);
/**
* Mark the given stream finished from the receiving side.
*/
void tq_receive_finish(ThreadQueue *tq, unsigned int stream_idx);
#endif // FFTOOLS_THREAD_QUEUE_H