libavformat/options.c File Reference

Options definition for AVFormatContext. More...

#include "avformat.h"
#include "libavutil/opt.h"

Go to the source code of this file.


#define OFFSET(x)   offsetof(AVFormatContext,x)
#define DEFAULT   0


static const char * format_to_name (void *ptr)
static const AVOptionopt_find (void *obj, const char *name, const char *unit, int opt_flags, int search_flags)
static void avformat_get_context_defaults (AVFormatContext *s)
AVFormatContextavformat_alloc_context (void)
 Allocate an AVFormatContext.
AVFormatContextav_alloc_format_context (void)


static const AVOption options []
static const AVClass av_format_context_class

Detailed Description

Options definition for AVFormatContext.

Definition in file options.c.

Define Documentation


Definition at line 67 of file options.c.

#define DEFAULT   0

Definition at line 64 of file options.c.


Definition at line 66 of file options.c.

#define OFFSET (  )     offsetof(AVFormatContext,x)

Definition at line 63 of file options.c.

Function Documentation

AVFormatContext* av_alloc_format_context ( void   ) 

Use avformat_alloc_context() instead.

Definition at line 127 of file options.c.

AVFormatContext* avformat_alloc_context ( void   ) 

static void avformat_get_context_defaults ( AVFormatContext s  )  [static]

Definition at line 108 of file options.c.

Referenced by avformat_alloc_context().

static const char* format_to_name ( void *  ptr  )  [static]

Definition at line 28 of file options.c.

static const AVOption* opt_find ( void *  obj,
const char *  name,
const char *  unit,
int  opt_flags,
int  search_flags 
) [static]

Definition at line 36 of file options.c.

Variable Documentation

Initial value:

    .class_name     = "AVFormatContext",
    .item_name      = format_to_name,
    .option         = options,
    .version        = LIBAVUTIL_VERSION_INT,
    .opt_find       = opt_find,

Definition at line 100 of file options.c.

const AVOption options[] [static]

Initial value:

{"probesize", "set probing size", OFFSET(probesize), FF_OPT_TYPE_INT, {.dbl = 5000000 }, 32, INT_MAX, D},
{"muxrate", "set mux rate", OFFSET(mux_rate), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, INT_MAX, E},
{"packetsize", "set packet size", OFFSET(packet_size), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, INT_MAX, E},
{"fflags", NULL, OFFSET(flags), FF_OPT_TYPE_FLAGS, {.dbl = DEFAULT }, INT_MIN, INT_MAX, D|E, "fflags"},
{"ignidx", "ignore index", 0, FF_OPT_TYPE_CONST, {.dbl = AVFMT_FLAG_IGNIDX }, INT_MIN, INT_MAX, D, "fflags"},
{"genpts", "generate pts", 0, FF_OPT_TYPE_CONST, {.dbl = AVFMT_FLAG_GENPTS }, INT_MIN, INT_MAX, D, "fflags"},
{"nofillin", "do not fill in missing values that can be exactly calculated", 0, FF_OPT_TYPE_CONST, {.dbl = AVFMT_FLAG_NOFILLIN }, INT_MIN, INT_MAX, D, "fflags"},
{"noparse", "disable AVParsers, this needs nofillin too", 0, FF_OPT_TYPE_CONST, {.dbl = AVFMT_FLAG_NOPARSE }, INT_MIN, INT_MAX, D, "fflags"},
{"igndts", "ignore dts", 0, FF_OPT_TYPE_CONST, {.dbl = AVFMT_FLAG_IGNDTS }, INT_MIN, INT_MAX, D, "fflags"},

{"rtphint", "add rtp hinting (deprecated, use the -movflags rtphint option instead)", 0, FF_OPT_TYPE_CONST, {.dbl = AVFMT_FLAG_RTP_HINT }, INT_MIN, INT_MAX, E, "fflags"},

{"sortdts", "try to interleave outputted packets by dts", 0, FF_OPT_TYPE_CONST, {.dbl = AVFMT_FLAG_SORT_DTS }, INT_MIN, INT_MAX, D, "fflags"},
{"keepside", "dont merge side data", 0, FF_OPT_TYPE_CONST, {.dbl = AVFMT_FLAG_KEEP_SIDE_DATA }, INT_MIN, INT_MAX, D, "fflags"},
{"latm", "enable RTP MP4A-LATM payload", 0, FF_OPT_TYPE_CONST, {.dbl = AVFMT_FLAG_MP4A_LATM }, INT_MIN, INT_MAX, E, "fflags"},
{"analyzeduration", "how many microseconds are analyzed to estimate duration", OFFSET(max_analyze_duration), FF_OPT_TYPE_INT, {.dbl = 5*AV_TIME_BASE }, 0, INT_MAX, D},
{"cryptokey", "decryption key", OFFSET(key), FF_OPT_TYPE_BINARY, {.dbl = 0}, 0, 0, D},
{"indexmem", "max memory used for timestamp index (per stream)", OFFSET(max_index_size), FF_OPT_TYPE_INT, {.dbl = 1<<20 }, 0, INT_MAX, D},
{"rtbufsize", "max memory used for buffering real-time frames", OFFSET(max_picture_buffer), FF_OPT_TYPE_INT, {.dbl = 3041280 }, 0, INT_MAX, D}, 
{"fdebug", "print specific debug info", OFFSET(debug), FF_OPT_TYPE_FLAGS, {.dbl = DEFAULT }, 0, INT_MAX, E|D, "fdebug"},
{"ts", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_FDEBUG_TS }, INT_MIN, INT_MAX, E|D, "fdebug"},
{"max_delay", "maximum muxing or demuxing delay in microseconds", OFFSET(max_delay), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, INT_MAX, E|D},
{"fpsprobesize", "number of frames used to probe fps", OFFSET(fps_probe_size), FF_OPT_TYPE_INT, {.dbl = -1}, -1, INT_MAX-1, D},

Definition at line 69 of file options.c.

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