#include "avformat.h"
#include "libavutil/opt.h"
Go to the source code of this file.
Defines | |
| #define | OFFSET(x) offsetof(AVFormatContext,x) |
| #define | DEFAULT 0 |
| #define | E AV_OPT_FLAG_ENCODING_PARAM |
| #define | D AV_OPT_FLAG_DECODING_PARAM |
Functions | |
| static const char * | format_to_name (void *ptr) |
| static const AVOption * | opt_find (void *obj, const char *name, const char *unit, int opt_flags, int search_flags) |
| static void | avformat_get_context_defaults (AVFormatContext *s) |
| AVFormatContext * | avformat_alloc_context (void) |
| Allocate an AVFormatContext. | |
Variables | |
| static const AVOption | options [] |
| static const AVClass | av_format_context_class |
Definition in file options.c.
| #define OFFSET | ( | x | ) | offsetof(AVFormatContext,x) |
| AVFormatContext* avformat_alloc_context | ( | void | ) |
Allocate an AVFormatContext.
avformat_free_context() can be used to free the context and everything allocated by the framework within it.
Definition at line 117 of file options.c.
Referenced by applehttp_read_header(), av_open_input_stream(), avformat_alloc_output_context2(), avformat_open_input(), ff_mov_read_stsd_entries(), ff_rtp_chain_mux_open(), ff_wms_parse_sdp_a_line(), http_receive_data(), init_opts(), opt_input_file(), prepare_sdp_description(), read_gab2_sub(), rtp_new_av_stream(), and sap_read_header().
| static void avformat_get_context_defaults | ( | AVFormatContext * | s | ) | [static] |
| static const AVOption* opt_find | ( | void * | obj, | |
| const char * | name, | |||
| const char * | unit, | |||
| int | opt_flags, | |||
| int | search_flags | |||
| ) | [static] |
const AVClass av_format_context_class [static] |
Initial value:
{
.class_name = "AVFormatContext",
.item_name = format_to_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
.opt_find = opt_find,
}
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},
{NULL},
}
1.5.8