tee.c File Reference

#include "libavutil/avutil.h"
#include "libavutil/avstring.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavcodec/bsf.h"
#include "internal.h"
#include "avformat.h"
#include "mux.h"
#include "tee_common.h"

Go to the source code of this file.

Data Structures
struct	TeeSlave
struct	TeeContext

Macros
#define	DEFAULT_SLAVE_FAILURE_POLICY   ON_SLAVE_FAILURE_ABORT
#define	OFFSET(x)
#define	CONSUME_OPTION(option, field, action)
#define	STEAL_OPTION(option, field)
#define	PROCESS_OPTION(option, function, on_error)

Enumerations
enum	SlaveFailurePolicy { ON_SLAVE_FAILURE_ABORT = 1 , ON_SLAVE_FAILURE_IGNORE = 2 }

Functions
static int	parse_slave_failure_policy_option (const char *opt, TeeSlave *tee_slave)
static int	parse_slave_fifo_policy (const char *use_fifo, TeeSlave *tee_slave)
static int	parse_slave_fifo_options (const char *fifo_options, TeeSlave *tee_slave)
static int	close_slave (TeeSlave *tee_slave)
static void	close_slaves (AVFormatContext *avf)
static int	open_slave (AVFormatContext *avf, char *slave, TeeSlave *tee_slave)
static void	log_slave (TeeSlave *slave, void *log_ctx, int log_level)
static int	tee_process_slave_failure (AVFormatContext *avf, unsigned slave_idx, int err_n)
static int	tee_write_header (AVFormatContext *avf)
static int	tee_write_trailer (AVFormatContext *avf)
static int	tee_write_packet (AVFormatContext *avf, AVPacket *pkt)

Variables
static const char *const	slave_delim = "|"
static const char *const	slave_bsfs_spec_sep = "/"
static const char *const	slave_select_sep = ","
static const AVOption	tee_options []
static const AVClass	tee_muxer_class
const FFOutputFormat	ff_tee_muxer

Macro Definition Documentation

DEFAULT_SLAVE_FAILURE_POLICY

#define DEFAULT_SLAVE_FAILURE_POLICY   ON_SLAVE_FAILURE_ABORT

Definition at line 38 of file tee.c.

Referenced by open_slave(), and parse_slave_failure_policy_option().

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(TeeContext, x)

Definition at line 67 of file tee.c.

CONSUME_OPTION

#define CONSUME_OPTION	(		option,
			field,
			action )

Value:

        do {                      \
        AVDictionaryEntry *en = av_dict_get(options, option, NULL, 0);  \
        if (en) {                                                       \
            field = en->value;                                          \
            { action }                                                  \
            av_dict_set(&options, option, NULL, 0);                     \
        }                                                               \
    } while (0)

STEAL_OPTION

#define STEAL_OPTION	(		option,
			field )

Value:

    CONSUME_OPTION(option, field,                                       \
                   en->value = NULL; /* prevent it from being freed */)

Referenced by open_slave().

PROCESS_OPTION

#define PROCESS_OPTION	(		option,
			function,
			on_error )

Value:

        do {                 \
        const char *value;                                              \
        CONSUME_OPTION(option, value, if ((ret = function) < 0)         \
                                          { { on_error } goto end; });  \
    } while (0)

Referenced by open_slave().

Enumeration Type Documentation

SlaveFailurePolicy

enum SlaveFailurePolicy

Enumerator
ON_SLAVE_FAILURE_ABORT
ON_SLAVE_FAILURE_IGNORE

Definition at line 33 of file tee.c.

Function Documentation

parse_slave_failure_policy_option()

static int parse_slave_failure_policy_option ( const char * opt, TeeSlave * tee_slave )

inlinestatic

Definition at line 83 of file tee.c.

Referenced by open_slave().

parse_slave_fifo_policy()

static int parse_slave_fifo_policy ( const char * use_fifo, TeeSlave * tee_slave )

static

Definition at line 100 of file tee.c.

Referenced by open_slave().

parse_slave_fifo_options()

static int parse_slave_fifo_options ( const char * fifo_options, TeeSlave * tee_slave )

static

Definition at line 114 of file tee.c.

Referenced by open_slave().

close_slave()

static int close_slave ( TeeSlave * tee_slave )

static

Definition at line 119 of file tee.c.

Referenced by close_slaves(), tee_process_slave_failure(), and tee_write_trailer().

close_slaves()

static void close_slaves ( AVFormatContext * avf )

static

Definition at line 145 of file tee.c.

Referenced by tee_write_header().

open_slave()

static int open_slave ( AVFormatContext * avf, char * slave, TeeSlave * tee_slave )

static

Definition at line 155 of file tee.c.

Referenced by tee_write_header().

log_slave()

static void log_slave ( TeeSlave * slave, void * log_ctx, int log_level )

static

Definition at line 418 of file tee.c.

Referenced by tee_write_header().

tee_process_slave_failure()

static int tee_process_slave_failure ( AVFormatContext * avf, unsigned slave_idx, int err_n )

static

Definition at line 437 of file tee.c.

Referenced by tee_write_header(), tee_write_packet(), and tee_write_trailer().

tee_write_header()

static int tee_write_header ( AVFormatContext * avf )

static

Definition at line 459 of file tee.c.

tee_write_trailer()

static int tee_write_trailer ( AVFormatContext * avf )

static

Definition at line 525 of file tee.c.

tee_write_packet()

static int tee_write_packet ( AVFormatContext * avf, AVPacket * pkt )

static

Definition at line 541 of file tee.c.

Variable Documentation

slave_delim

const char* const slave_delim = "|"

static

Definition at line 63 of file tee.c.

Referenced by tee_write_header().

slave_bsfs_spec_sep

const char* const slave_bsfs_spec_sep = "/"

static

Definition at line 64 of file tee.c.

Referenced by open_slave().

slave_select_sep

const char* const slave_select_sep = ","

static

Definition at line 65 of file tee.c.

Referenced by open_slave().

tee_options

const AVOption tee_options[]

static

Initial value:

= {
        {"use_fifo", "Use fifo pseudo-muxer to separate actual muxers from encoder",
         OFFSET(use_fifo), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
        {"fifo_options", "fifo pseudo-muxer options", OFFSET(fifo_options),
         AV_OPT_TYPE_DICT, {.str = NULL}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM},
        {NULL}
}

Definition at line 68 of file tee.c.

tee_muxer_class

const AVClass tee_muxer_class

static

Initial value:

= {
    .class_name = "Tee muxer",
    .item_name  = av_default_item_name,
    .option     = tee_options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 76 of file tee.c.

ff_tee_muxer

const FFOutputFormat ff_tee_muxer

Initial value:

= {
    .p.name            = "tee",
    .p.long_name       = NULL_IF_CONFIG_SMALL("Multiple muxer tee"),
    .priv_data_size    = sizeof(TeeContext),
    .write_header      = tee_write_header,
    .write_trailer     = tee_write_trailer,
    .write_packet      = tee_write_packet,
    .p.priv_class      = &tee_muxer_class,
    .p.flags           = AVFMT_NOFILE | AVFMT_TS_NEGATIVE,
    .flags_internal    = FF_OFMT_FLAG_ALLOW_FLUSH,
}

Definition at line 615 of file tee.c.