tee.c File Reference

#include "libavutil/avutil.h"
#include "libavutil/avstring.h"
#include "libavutil/opt.h"
#include "internal.h"
#include "avformat.h"
#include "avio_internal.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)   offsetof(TeeContext, x)
#define	STEAL_OPTION(option, field)

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_options (const char *use_fifo, 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	options []
static const AVClass	tee_muxer_class
AVOutputFormat	ff_tee_muxer

Macro Definition Documentation

#define DEFAULT_SLAVE_FAILURE_POLICY   ON_SLAVE_FAILURE_ABORT

Definition at line 36 of file tee.c.

Referenced by parse_slave_failure_policy_option().

#define OFFSET

(

x

)

offsetof(TeeContext, x)

Definition at line 66 of file tee.c.

#define STEAL_OPTION	(		option,
			field
	)

Value:

do {                                \
        if ((entry = av_dict_get(options, option, NULL, 0))) {          \
            field = entry->value;                                       \
            entry->value = NULL; /* prevent it from being freed */      \
            av_dict_set(&options, option, NULL, 0);                     \
        }                                                               \
    } while (0)

Referenced by open_slave().

Enumeration Type Documentation

enum SlaveFailurePolicy

Enumerator
ON_SLAVE_FAILURE_ABORT
ON_SLAVE_FAILURE_IGNORE

Definition at line 31 of file tee.c.

Function Documentation

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

inlinestatic

Definition at line 82 of file tee.c.

Referenced by open_slave().

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

static

Definition at line 99 of file tee.c.

Referenced by open_slave().

static int close_slave ( TeeSlave *  tee_slave )

static

Definition at line 122 of file tee.c.

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

static void close_slaves ( AVFormatContext *  avf )

static

Definition at line 148 of file tee.c.

Referenced by tee_write_header().

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

static

Definition at line 159 of file tee.c.

Referenced by tee_write_header().

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

static

Definition at line 405 of file tee.c.

Referenced by tee_write_header().

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

static

Definition at line 425 of file tee.c.

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

static int tee_write_header ( AVFormatContext *  avf )

static

Definition at line 447 of file tee.c.

static int tee_write_trailer ( AVFormatContext *  avf )

static

Definition at line 519 of file tee.c.

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

static

Definition at line 536 of file tee.c.

Variable Documentation

const char* const slave_delim = "|"

static

Definition at line 62 of file tee.c.

Referenced by tee_write_header().

const char* const slave_bsfs_spec_sep = "/"

static

Definition at line 63 of file tee.c.

Referenced by open_slave().

const char* const slave_select_sep = ","

static

Definition at line 64 of file tee.c.

Referenced by open_slave().

const AVOption 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_str),
         AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM},
        {NULL}
}

Definition at line 67 of file tee.c.

const AVClass tee_muxer_class

static

Initial value:

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

Definition at line 75 of file tee.c.

AVOutputFormat ff_tee_muxer

Initial value:

= {
    .name              = "tee",
    .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,
    .priv_class        = &tee_muxer_class,
    .flags             = AVFMT_NOFILE | AVFMT_ALLOW_FLUSH,
}

Definition at line 609 of file tee.c.