FFmpeg
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#include <string.h>
#include <stdint.h>
#include <stdlib.h>
#include <errno.h>
#include <math.h>
#include "config.h"
#include "compat/va_copy.h"
#include "libavformat/avformat.h"
#include "libavfilter/avfilter.h"
#include "libavdevice/avdevice.h"
#include "libavresample/avresample.h"
#include "libswscale/swscale.h"
#include "libswresample/swresample.h"
#include "libpostproc/postprocess.h"
#include "libavutil/attributes.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/bprint.h"
#include "libavutil/display.h"
#include "libavutil/mathematics.h"
#include "libavutil/imgutils.h"
#include "libavutil/libm.h"
#include "libavutil/parseutils.h"
#include "libavutil/pixdesc.h"
#include "libavutil/eval.h"
#include "libavutil/dict.h"
#include "libavutil/opt.h"
#include "libavutil/cpu.h"
#include "libavutil/ffversion.h"
#include "libavutil/version.h"
#include "cmdutils.h"
Go to the source code of this file.
Macros | |
#define | FLAGS (o->type == AV_OPT_TYPE_FLAGS && (arg[0]=='-' || arg[0]=='+')) ? AV_DICT_APPEND : 0 |
#define | GET_ARG(arg) |
#define | INDENT 1 |
#define | SHOW_VERSION 2 |
#define | SHOW_CONFIG 4 |
#define | SHOW_COPYRIGHT 8 |
#define | PRINT_LIB_INFO(libname, LIBNAME, flags, level) |
#define | PRINT_CODEC_SUPPORTED(codec, field, type, list_name, term, get_name) |
#define | sws_isSupportedInput(x) 0 |
#define | sws_isSupportedOutput(x) 0 |
Enumerations | |
enum | show_muxdemuxers { SHOW_DEFAULT, SHOW_DEMUXERS, SHOW_MUXERS } |
Functions | |
static int | init_report (const char *env) |
void | init_opts (void) |
Initialize the cmdutils option system, in particular allocate the *_opts contexts. More... | |
void | uninit_opts (void) |
Uninitialize the cmdutils option system, in particular free the *_opts contexts and their contents. More... | |
void | log_callback_help (void *ptr, int level, const char *fmt, va_list vl) |
Trivial log callback. More... | |
static void | log_callback_report (void *ptr, int level, const char *fmt, va_list vl) |
void | init_dynload (void) |
Initialize dynamic library loading. More... | |
void | register_exit (void(*cb)(int ret)) |
Register a program-specific cleanup routine. More... | |
void | exit_program (int ret) |
Wraps exit with a program-specific cleanup routine. More... | |
double | parse_number_or_die (const char *context, const char *numstr, int type, double min, double max) |
Parse a string and return its corresponding value as a double. More... | |
int64_t | parse_time_or_die (const char *context, const char *timestr, int is_duration) |
Parse a string specifying a time and return its corresponding value as a number of microseconds. More... | |
void | show_help_options (const OptionDef *options, const char *msg, int req_flags, int rej_flags, int alt_flags) |
Print help for all options matching specified flags. More... | |
void | show_help_children (const AVClass *class, int flags) |
Show help for all options with given flags in class and all its children. More... | |
static const OptionDef * | find_option (const OptionDef *po, const char *name) |
static void | prepare_app_arguments (int *argc_ptr, char ***argv_ptr) |
static int | write_option (void *optctx, const OptionDef *po, const char *opt, const char *arg) |
int | parse_option (void *optctx, const char *opt, const char *arg, const OptionDef *options) |
Parse one given option. More... | |
void | parse_options (void *optctx, int argc, char **argv, const OptionDef *options, void(*parse_arg_function)(void *, const char *)) |
int | parse_optgroup (void *optctx, OptionGroup *g) |
Parse an options group and write results into optctx. More... | |
int | locate_option (int argc, char **argv, const OptionDef *options, const char *optname) |
Return index of option opt in argv or 0 if not found. More... | |
static void | dump_argument (const char *a) |
static void | check_options (const OptionDef *po) |
void | parse_loglevel (int argc, char **argv, const OptionDef *options) |
Find the '-loglevel' option in the command line args and apply it. More... | |
static const AVOption * | opt_find (void *obj, const char *name, const char *unit, int opt_flags, int search_flags) |
int | opt_default (void *optctx, const char *opt, const char *arg) |
Fallback for options that are not explicitly handled, these will be parsed through AVOptions. More... | |
static int | match_group_separator (const OptionGroupDef *groups, int nb_groups, const char *opt) |
static void | finish_group (OptionParseContext *octx, int group_idx, const char *arg) |
static void | add_opt (OptionParseContext *octx, const OptionDef *opt, const char *key, const char *val) |
static void | init_parse_context (OptionParseContext *octx, const OptionGroupDef *groups, int nb_groups) |
void | uninit_parse_context (OptionParseContext *octx) |
Free all allocated memory in an OptionParseContext. More... | |
int | split_commandline (OptionParseContext *octx, int argc, char *argv[], const OptionDef *options, const OptionGroupDef *groups, int nb_groups) |
Split the commandline into an intermediate form convenient for further processing. More... | |
int | opt_cpuflags (void *optctx, const char *opt, const char *arg) |
Override the cpuflags. More... | |
int | opt_loglevel (void *optctx, const char *opt, const char *arg) |
Set the libav* libraries log level. More... | |
static void | expand_filename_template (AVBPrint *bp, const char *template, struct tm *tm) |
int | opt_report (void *optctx, const char *opt, const char *arg) |
int | opt_max_alloc (void *optctx, const char *opt, const char *arg) |
int | opt_timelimit (void *optctx, const char *opt, const char *arg) |
Limit the execution time. More... | |
void | print_error (const char *filename, int err) |
Print an error message to stderr, indicating filename and a human readable description of the error code err. More... | |
static void | print_all_libs_info (int flags, int level) |
static void | print_program_info (int flags, int level) |
static void | print_buildconf (int flags, int level) |
void | show_banner (int argc, char **argv, const OptionDef *options) |
Print the program banner to stderr. More... | |
int | show_version (void *optctx, const char *opt, const char *arg) |
Print the version of the program to stdout. More... | |
int | show_buildconf (void *optctx, const char *opt, const char *arg) |
Print the build configuration of the program to stdout. More... | |
int | show_license (void *optctx, const char *opt, const char *arg) |
Print the license of the program to stdout. More... | |
static int | is_device (const AVClass *avclass) |
static int | show_formats_devices (void *optctx, const char *opt, const char *arg, int device_only, int muxdemuxers) |
int | show_formats (void *optctx, const char *opt, const char *arg) |
Print a listing containing all the formats supported by the program (including devices). More... | |
int | show_muxers (void *optctx, const char *opt, const char *arg) |
Print a listing containing all the muxers supported by the program (including devices). More... | |
int | show_demuxers (void *optctx, const char *opt, const char *arg) |
Print a listing containing all the demuxer supported by the program (including devices). More... | |
int | show_devices (void *optctx, const char *opt, const char *arg) |
Print a listing containing all the devices supported by the program. More... | |
static void | print_codec (const AVCodec *c) |
static char | get_media_type_char (enum AVMediaType type) |
static const AVCodec * | next_codec_for_id (enum AVCodecID id, void **iter, int encoder) |
static int | compare_codec_desc (const void *a, const void *b) |
static unsigned | get_codecs_sorted (const AVCodecDescriptor ***rcodecs) |
static void | print_codecs_for_id (enum AVCodecID id, int encoder) |
int | show_codecs (void *optctx, const char *opt, const char *arg) |
Print a listing containing all the codecs supported by the program. More... | |
static void | print_codecs (int encoder) |
int | show_decoders (void *optctx, const char *opt, const char *arg) |
Print a listing containing all the decoders supported by the program. More... | |
int | show_encoders (void *optctx, const char *opt, const char *arg) |
Print a listing containing all the encoders supported by the program. More... | |
int | show_bsfs (void *optctx, const char *opt, const char *arg) |
Print a listing containing all the bit stream filters supported by the program. More... | |
int | show_protocols (void *optctx, const char *opt, const char *arg) |
Print a listing containing all the protocols supported by the program. More... | |
int | show_filters (void *optctx, const char *opt, const char *arg) |
Print a listing containing all the filters supported by the program. More... | |
int | show_colors (void *optctx, const char *opt, const char *arg) |
Print a listing containing all the color names and values recognized by the program. More... | |
int | show_pix_fmts (void *optctx, const char *opt, const char *arg) |
Print a listing containing all the pixel formats supported by the program. More... | |
int | show_layouts (void *optctx, const char *opt, const char *arg) |
Print a listing containing all the standard channel layouts supported by the program. More... | |
int | show_sample_fmts (void *optctx, const char *opt, const char *arg) |
Print a listing containing all the sample formats supported by the program. More... | |
static void | show_help_codec (const char *name, int encoder) |
static void | show_help_demuxer (const char *name) |
static void | show_help_protocol (const char *name) |
static void | show_help_muxer (const char *name) |
static void | show_help_bsf (const char *name) |
int | show_help (void *optctx, const char *opt, const char *arg) |
Generic -h handler common to all fftools. More... | |
int | read_yesno (void) |
Return a positive value if a line read from standard input starts with [yY], otherwise return 0. More... | |
FILE * | get_preset_file (char *filename, size_t filename_size, const char *preset_name, int is_path, const char *codec_name) |
Get a file corresponding to a preset file. More... | |
int | check_stream_specifier (AVFormatContext *s, AVStream *st, const char *spec) |
Check if the given stream matches a stream specifier. More... | |
AVDictionary * | filter_codec_opts (AVDictionary *opts, enum AVCodecID codec_id, AVFormatContext *s, AVStream *st, AVCodec *codec) |
Filter out options for given codec. More... | |
AVDictionary ** | setup_find_stream_info_opts (AVFormatContext *s, AVDictionary *codec_opts) |
Setup AVCodecContext options for avformat_find_stream_info(). More... | |
void * | grow_array (void *array, int elem_size, int *size, int new_size) |
Realloc array to hold new_size elements of elem_size. More... | |
double | get_rotation (AVStream *st) |
Variables | |
AVDictionary * | sws_dict |
AVDictionary * | swr_opts |
AVDictionary * | format_opts |
AVDictionary * | codec_opts |
AVDictionary * | resample_opts |
static FILE * | report_file |
static int | report_file_level = AV_LOG_DEBUG |
int | hide_banner = 0 |
static void(* | program_exit )(int ret) |
static int | warned_cfg = 0 |
#define FLAGS (o->type == AV_OPT_TYPE_FLAGS && (arg[0]=='-' || arg[0]=='+')) ? AV_DICT_APPEND : 0 |
Definition at line 542 of file cmdutils.c.
Referenced by opt_default().
#define GET_ARG | ( | arg | ) |
Referenced by split_commandline().
#define INDENT 1 |
Definition at line 1098 of file cmdutils.c.
Referenced by print_buildconf(), print_program_info(), show_banner(), and show_buildconf().
#define SHOW_VERSION 2 |
Definition at line 1099 of file cmdutils.c.
Referenced by show_banner(), and show_version().
#define SHOW_CONFIG 4 |
Definition at line 1100 of file cmdutils.c.
Referenced by show_banner().
#define SHOW_COPYRIGHT 8 |
Definition at line 1101 of file cmdutils.c.
Referenced by print_program_info(), show_banner(), and show_version().
Definition at line 1103 of file cmdutils.c.
Referenced by print_all_libs_info().
Definition at line 1377 of file cmdutils.c.
Referenced by print_codec(), and show_help_bsf().
#define sws_isSupportedInput | ( | x | ) | 0 |
Referenced by query_formats(), selfTest(), and show_pix_fmts().
#define sws_isSupportedOutput | ( | x | ) | 0 |
Referenced by query_formats(), selfTest(), and show_pix_fmts().
enum show_muxdemuxers |
Enumerator | |
---|---|
SHOW_DEFAULT | |
SHOW_DEMUXERS | |
SHOW_MUXERS |
Definition at line 76 of file cmdutils.c.
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Definition at line 976 of file cmdutils.c.
Referenced by opt_report(), and parse_loglevel().
Initialize the cmdutils option system, in particular allocate the *_opts contexts.
Definition at line 82 of file cmdutils.c.
Referenced by finish_group(), init_parse_context(), and main().
Uninitialize the cmdutils option system, in particular free the *_opts contexts and their contents.
Definition at line 87 of file cmdutils.c.
Referenced by do_exit(), ffmpeg_cleanup(), main(), and uninit_parse_context().
Trivial log callback.
Only suitable for opt_help and similar since it lacks prefix handling.
Definition at line 96 of file cmdutils.c.
Referenced by show_buildconf(), show_help(), show_help_default(), and show_version().
Definition at line 101 of file cmdutils.c.
Referenced by init_report().
Initialize dynamic library loading.
Definition at line 117 of file cmdutils.c.
Referenced by main().
Register a program-specific cleanup routine.
Definition at line 128 of file cmdutils.c.
Referenced by main().
Wraps exit with a program-specific cleanup routine.
Definition at line 133 of file cmdutils.c.
Referenced by abort_codec_experimental(), add_input_streams(), assert_avoptions(), assert_file_overwrite(), check_decode_result(), check_filter_outputs(), check_streamcopy_filters(), choose_pix_fmts(), configure_output_filter(), copy_metadata(), DEF_CHOOSE_FORMAT(), describe_filter_link(), do_audio_out(), do_streamcopy(), do_subtitle_out(), do_video_out(), do_video_stats(), dump_attachment(), filter_codec_opts(), find_codec_or_die(), flush_encoders(), get_codecs_sorted(), get_line(), get_ost_filters(), grow_array(), init_complex_filtergraph(), init_input_filter(), init_output_filter(), init_output_stream(), init_output_stream_streamcopy(), init_output_stream_wrapper(), init_parse_context(), init_report(), main(), new_audio_stream(), new_data_stream(), new_output_stream(), new_subtitle_stream(), new_unknown_stream(), new_video_stream(), open_input_file(), open_output_file(), opt_init_hw_device(), opt_input_file(), opt_loglevel(), opt_map(), opt_map_channel(), opt_max_alloc(), opt_preset(), opt_streamid(), opt_target(), opt_vstats(), output_packet(), parse_forced_key_frames(), parse_matrix_coeffs(), parse_meta_type(), parse_number_or_die(), parse_options(), parse_time_or_die(), print_sdp(), process_input(), process_input_packet(), set_encoder_id(), transcode(), transcode_subtitles(), write_option(), and write_packet().
double parse_number_or_die | ( | const char * | context, |
const char * | numstr, | ||
int | type, | ||
double | min, | ||
double | max | ||
) |
Parse a string and return its corresponding value as a double.
Exit from the application if the string cannot be correctly parsed or the corresponding value is invalid.
context | the context of the value to be set (e.g. the corresponding command line option name) |
numstr | the string to be parsed |
type | the type (OPT_INT64 or OPT_FLOAT) as which the string should be parsed |
min | the minimum valid accepted value |
max | the maximum valid accepted value |
Definition at line 141 of file cmdutils.c.
Referenced by opt_height(), opt_show_mode(), opt_streamid(), opt_timelimit(), opt_vsync(), opt_width(), and write_option().
int64_t parse_time_or_die | ( | const char * | context, |
const char * | timestr, | ||
int | is_duration | ||
) |
Parse a string specifying a time and return its corresponding value as a number of microseconds.
Exit from the application if the string cannot be correctly parsed.
context | the context of the value to be set (e.g. the corresponding command line option name) |
timestr | the string to be parsed |
is_duration | a flag which tells how to interpret timestr, if not zero timestr is interpreted as a duration, otherwise as a date |
Definition at line 162 of file cmdutils.c.
Referenced by opt_duration(), opt_recording_timestamp(), opt_seek(), opt_stats_period(), parse_forced_key_frames(), and write_option().
void show_help_options | ( | const OptionDef * | options, |
const char * | msg, | ||
int | req_flags, | ||
int | rej_flags, | ||
int | alt_flags | ||
) |
Print help for all options matching specified flags.
options | a list of options |
msg | title of this group. Only printed if at least one option matches. |
req_flags | print only options which have all those flags set. |
rej_flags | don't print options which have any of those flags set. |
alt_flags | print only options that have at least one of those flags set |
Definition at line 174 of file cmdutils.c.
Referenced by show_help_default().
Show help for all options with given flags in class and all its children.
Definition at line 203 of file cmdutils.c.
Referenced by print_codec(), show_help_bsf(), show_help_children(), show_help_default(), show_help_demuxer(), show_help_muxer(), and show_help_protocol().
Definition at line 216 of file cmdutils.c.
Referenced by locate_option(), parse_option(), and split_commandline().
Definition at line 287 of file cmdutils.c.
Referenced by find_option(), parse_options(), and split_commandline().
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Definition at line 293 of file cmdutils.c.
Referenced by parse_optgroup(), and parse_option().
Parse one given option.
Definition at line 348 of file cmdutils.c.
Referenced by opt_audio_codec(), opt_audio_filters(), opt_audio_frames(), opt_audio_qscale(), opt_channel_layout(), opt_data_codec(), opt_data_frames(), opt_old2new(), opt_qscale(), opt_recording_timestamp(), opt_subtitle_codec(), opt_target(), opt_timecode(), opt_video_codec(), opt_video_filters(), opt_video_frames(), and parse_options().
void parse_options | ( | void * | optctx, |
int | argc, | ||
char ** | argv, | ||
const OptionDef * | options, | ||
void(*)(void *, const char *) | parse_arg_function | ||
) |
Definition at line 381 of file cmdutils.c.
Referenced by main().
int parse_optgroup | ( | void * | optctx, |
OptionGroup * | g | ||
) |
Parse an options group and write results into optctx.
optctx | an app-specific options context. NULL for global options group |
Definition at line 412 of file cmdutils.c.
Referenced by ffmpeg_parse_options(), and open_files().
Return index of option opt in argv or 0 if not found.
Definition at line 445 of file cmdutils.c.
Referenced by parse_loglevel(), and show_banner().
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Definition at line 471 of file cmdutils.c.
Referenced by parse_loglevel().
Definition at line 495 of file cmdutils.c.
Referenced by parse_loglevel().
Find the '-loglevel' option in the command line args and apply it.
Definition at line 504 of file cmdutils.c.
Referenced by main().
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Definition at line 533 of file cmdutils.c.
Referenced by opt_default().
Fallback for options that are not explicitly handled, these will be parsed through AVOptions.
Definition at line 543 of file cmdutils.c.
Referenced by opt_default_new(), opt_frame_pix_fmt(), opt_frame_size(), opt_target(), opt_video_channel(), opt_video_standard(), and split_commandline().
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Definition at line 640 of file cmdutils.c.
Referenced by split_commandline().
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Definition at line 660 of file cmdutils.c.
Referenced by split_commandline().
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Definition at line 691 of file cmdutils.c.
Referenced by split_commandline().
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Definition at line 703 of file cmdutils.c.
Referenced by split_commandline().
void uninit_parse_context | ( | OptionParseContext * | octx | ) |
Free all allocated memory in an OptionParseContext.
Definition at line 725 of file cmdutils.c.
Referenced by ffmpeg_parse_options().
int split_commandline | ( | OptionParseContext * | octx, |
int | argc, | ||
char * | argv[], | ||
const OptionDef * | options, | ||
const OptionGroupDef * | groups, | ||
int | nb_groups | ||
) |
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.
Definition at line 751 of file cmdutils.c.
Referenced by ffmpeg_parse_options().
Override the cpuflags.
Definition at line 857 of file cmdutils.c.
Set the libav* libraries log level.
Definition at line 869 of file cmdutils.c.
Referenced by parse_loglevel().
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Definition at line 948 of file cmdutils.c.
Referenced by init_report().
Definition at line 1054 of file cmdutils.c.
Definition at line 1059 of file cmdutils.c.
Limit the execution time.
Definition at line 1073 of file cmdutils.c.
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.
Definition at line 1086 of file cmdutils.c.
Referenced by open_input_file(), open_output_file(), process_input(), read_thread(), and write_packet().
Definition at line 1132 of file cmdutils.c.
Referenced by show_banner(), and show_version().
Definition at line 1145 of file cmdutils.c.
Referenced by show_banner(), and show_version().
Definition at line 1159 of file cmdutils.c.
Referenced by show_buildconf().
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.
Definition at line 1185 of file cmdutils.c.
Referenced by main().
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.
Definition at line 1196 of file cmdutils.c.
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.
Definition at line 1205 of file cmdutils.c.
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.
Definition at line 1213 of file cmdutils.c.
Definition at line 1287 of file cmdutils.c.
Referenced by show_formats_devices().
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Definition at line 1294 of file cmdutils.c.
Referenced by show_demuxers(), show_devices(), show_formats(), and show_muxers().
Print a listing containing all the formats supported by the program (including devices).
This option processing function does not utilize the arguments.
Definition at line 1357 of file cmdutils.c.
Print a listing containing all the muxers supported by the program (including devices).
This option processing function does not utilize the arguments.
Definition at line 1362 of file cmdutils.c.
Print a listing containing all the demuxer supported by the program (including devices).
This option processing function does not utilize the arguments.
Definition at line 1367 of file cmdutils.c.
Print a listing containing all the devices supported by the program.
This option processing function does not utilize the arguments.
Definition at line 1372 of file cmdutils.c.
Definition at line 1390 of file cmdutils.c.
Referenced by show_help_codec().
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Definition at line 1485 of file cmdutils.c.
Referenced by print_codecs(), show_codecs(), and show_filters().
Definition at line 1497 of file cmdutils.c.
Referenced by print_codecs(), print_codecs_for_id(), show_codecs(), and show_help_codec().
Definition at line 1509 of file cmdutils.c.
Referenced by get_codecs_sorted().
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Definition at line 1518 of file cmdutils.c.
Referenced by print_codecs(), and show_codecs().
Definition at line 1539 of file cmdutils.c.
Referenced by show_codecs().
Print a listing containing all the codecs supported by the program.
This option processing function does not utilize the arguments.
Definition at line 1552 of file cmdutils.c.
Definition at line 1608 of file cmdutils.c.
Referenced by show_decoders(), and show_encoders().
Print a listing containing all the decoders supported by the program.
Definition at line 1647 of file cmdutils.c.
Print a listing containing all the encoders supported by the program.
Definition at line 1653 of file cmdutils.c.
Print a listing containing all the bit stream filters supported by the program.
This option processing function does not utilize the arguments.
Definition at line 1659 of file cmdutils.c.
Print a listing containing all the protocols supported by the program.
This option processing function does not utilize the arguments.
Definition at line 1671 of file cmdutils.c.
Print a listing containing all the filters supported by the program.
This option processing function does not utilize the arguments.
Definition at line 1686 of file cmdutils.c.
Print a listing containing all the color names and values recognized by the program.
Definition at line 1733 of file cmdutils.c.
Print a listing containing all the pixel formats supported by the program.
This option processing function does not utilize the arguments.
Definition at line 1747 of file cmdutils.c.
Print a listing containing all the standard channel layouts supported by the program.
This option processing function does not utilize the arguments.
Definition at line 1780 of file cmdutils.c.
Print a listing containing all the sample formats supported by the program.
Definition at line 1809 of file cmdutils.c.
Definition at line 1818 of file cmdutils.c.
Referenced by show_help().
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Definition at line 1854 of file cmdutils.c.
Referenced by show_help().
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Definition at line 1872 of file cmdutils.c.
Referenced by show_help().
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Definition at line 1890 of file cmdutils.c.
Referenced by show_help().
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Definition at line 1979 of file cmdutils.c.
Referenced by show_help().
Generic -h handler common to all fftools.
Definition at line 1998 of file cmdutils.c.
Return a positive value if a line read from standard input starts with [yY], otherwise return 0.
Definition at line 2036 of file cmdutils.c.
Referenced by assert_file_overwrite().
FILE* get_preset_file | ( | char * | filename, |
size_t | filename_size, | ||
const char * | preset_name, | ||
int | is_path, | ||
const char * | codec_name | ||
) |
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.
filename | buffer where the name of the found filename is written |
filename_size | size in bytes of the filename buffer |
preset_name | name of the preset to search |
is_path | tell if preset_name is a filename path |
codec_name | name of the codec for which to look for the preset, may be NULL |
Definition at line 2047 of file cmdutils.c.
Referenced by opt_preset().
int check_stream_specifier | ( | AVFormatContext * | s, |
AVStream * | st, | ||
const char * | spec | ||
) |
Check if the given stream matches a stream specifier.
s | Corresponding format context. |
st | Stream from s to be checked. |
spec | A stream specifier of the [v|a|s|d]:[<stream index>] form. |
Definition at line 2097 of file cmdutils.c.
Referenced by copy_metadata(), filter_codec_opts(), init_input_filter(), open_input_file(), open_output_file(), and opt_map().
AVDictionary* filter_codec_opts | ( | AVDictionary * | opts, |
enum AVCodecID | codec_id, | ||
AVFormatContext * | s, | ||
AVStream * | st, | ||
AVCodec * | codec | ||
) |
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.
opts | dictionary to place options in |
codec_id | ID of the codec that should be filtered for |
s | Corresponding format context. |
st | A stream from s for which the options should be filtered. |
codec | The particular codec for which the options should be filtered. If null, the default one is looked up according to the codec id. |
Definition at line 2105 of file cmdutils.c.
Referenced by add_input_streams(), new_output_stream(), open_input_file(), setup_find_stream_info_opts(), and stream_component_open().
AVDictionary** setup_find_stream_info_opts | ( | AVFormatContext * | s, |
AVDictionary * | codec_opts | ||
) |
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.
Definition at line 2162 of file cmdutils.c.
Referenced by open_input_file(), and read_thread().
Realloc array to hold new_size elements of elem_size.
Calls exit() on failure.
array | array to reallocate |
elem_size | size in bytes of each element |
size | new element count will be written here |
new_size | number of elements to place in reallocated array |
Definition at line 2182 of file cmdutils.c.
Referenced by opt_streamid(), and write_option().
double get_rotation | ( | AVStream * | st | ) |
Definition at line 2201 of file cmdutils.c.
Referenced by configure_input_video_filter(), and get_video_frame().
AVDictionary* sws_dict |
Definition at line 68 of file cmdutils.c.
Referenced by finish_group(), and get_video_frame().
AVDictionary* swr_opts |
Definition at line 69 of file cmdutils.c.
Referenced by finish_group(), and get_video_frame().
AVDictionary* format_opts |
Definition at line 70 of file cmdutils.c.
Referenced by finish_group(), main(), open_input_file(), opt_default_new(), opt_target(), and read_thread().
AVDictionary * codec_opts |
Definition at line 70 of file cmdutils.c.
Referenced by finish_group(), open_input_file(), opt_default_new(), opt_target(), read_thread(), and stream_component_open().
AVDictionary * resample_opts |
Definition at line 70 of file cmdutils.c.
Referenced by finish_group().
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static |
Definition at line 72 of file cmdutils.c.
Referenced by dump_argument(), init_report(), log_callback_report(), and parse_loglevel().
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static |
Definition at line 73 of file cmdutils.c.
Referenced by init_report(), and log_callback_report().
int hide_banner = 0 |
Definition at line 74 of file cmdutils.c.
Referenced by parse_loglevel(), and show_banner().
Definition at line 126 of file cmdutils.c.
Referenced by exit_program(), and register_exit().
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static |
Definition at line 1096 of file cmdutils.c.