fifo.c File Reference

#include <stdatomic.h>
#include "libavutil/avassert.h"
#include "libavutil/opt.h"
#include "libavutil/time.h"
#include "libavutil/thread.h"
#include "libavutil/threadmessage.h"
#include "avformat.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	FifoContext
struct	FifoThreadContext
struct	FifoMessage

Macros
#define	FIFO_DEFAULT_QUEUE_SIZE   60
#define	FIFO_DEFAULT_MAX_RECOVERY_ATTEMPTS   0
#define	FIFO_DEFAULT_RECOVERY_WAIT_TIME_USEC   5000000
#define	OFFSET(x)   offsetof(FifoContext, x)

Enumerations
enum	FifoMessageType { FIFO_NOOP, FIFO_WRITE_HEADER, FIFO_WRITE_PACKET, FIFO_FLUSH_OUTPUT }

Functions
static int	fifo_thread_write_header (FifoThreadContext *ctx)
static int	fifo_thread_flush_output (FifoThreadContext *ctx)
static int64_t	next_duration (AVFormatContext *avf, AVPacket *pkt, int64_t *last_dts)
static int	fifo_thread_write_packet (FifoThreadContext *ctx, AVPacket *pkt)
static int	fifo_thread_write_trailer (FifoThreadContext *ctx)
static int	fifo_thread_dispatch_message (FifoThreadContext *ctx, FifoMessage *msg)
static int	is_recoverable (const FifoContext *fifo, int err_no)
static void	free_message (void *msg)
static int	fifo_thread_process_recovery_failure (FifoThreadContext *ctx, AVPacket *pkt, int err_no)
static int	fifo_thread_attempt_recovery (FifoThreadContext *ctx, FifoMessage *msg, int err_no)
static int	fifo_thread_recover (FifoThreadContext *ctx, FifoMessage *msg, int err_no)
static void *	fifo_consumer_thread (void *data)
static int	fifo_mux_init (AVFormatContext *avf, ff_const59 AVOutputFormat *oformat, const char *filename)
static int	fifo_init (AVFormatContext *avf)
static int	fifo_write_header (AVFormatContext *avf)
static int	fifo_write_packet (AVFormatContext *avf, AVPacket *pkt)
static int	fifo_write_trailer (AVFormatContext *avf)
static void	fifo_deinit (AVFormatContext *avf)

Variables
static const AVOption	options []
static const AVClass	fifo_muxer_class
AVOutputFormat	ff_fifo_muxer

Macro Definition Documentation

#define FIFO_DEFAULT_QUEUE_SIZE   60

Definition at line 32 of file fifo.c.

#define FIFO_DEFAULT_MAX_RECOVERY_ATTEMPTS   0

Definition at line 33 of file fifo.c.

#define FIFO_DEFAULT_RECOVERY_WAIT_TIME_USEC   5000000

Definition at line 34 of file fifo.c.

#define OFFSET

(

x

)

offsetof(FifoContext, x)

Definition at line 655 of file fifo.c.

Enumeration Type Documentation

enum FifoMessageType

Enumerator
FIFO_NOOP
FIFO_WRITE_HEADER
FIFO_WRITE_PACKET
FIFO_FLUSH_OUTPUT

Definition at line 110 of file fifo.c.

Function Documentation

static int fifo_thread_write_header ( FifoThreadContext *  ctx )

static

Definition at line 122 of file fifo.c.

Referenced by fifo_thread_dispatch_message().

static int fifo_thread_flush_output ( FifoThreadContext *  ctx )

static

Definition at line 161 of file fifo.c.

Referenced by fifo_thread_dispatch_message().

static int64_t next_duration ( AVFormatContext *  avf, AVPacket *  pkt, int64_t *  last_dts  )

static

Definition at line 170 of file fifo.c.

Referenced by fifo_thread_write_packet(), and fifo_write_packet().

static int fifo_thread_write_packet ( FifoThreadContext *  ctx, AVPacket *  pkt  )

static

Definition at line 179 of file fifo.c.

Referenced by fifo_thread_dispatch_message().

static int fifo_thread_write_trailer ( FifoThreadContext *  ctx )

static

Definition at line 212 of file fifo.c.

Referenced by fifo_consumer_thread(), and fifo_thread_attempt_recovery().

static int fifo_thread_dispatch_message ( FifoThreadContext *  ctx, FifoMessage *  msg  )

static

Definition at line 228 of file fifo.c.

Referenced by fifo_consumer_thread(), and fifo_thread_attempt_recovery().

static int is_recoverable ( const FifoContext *  fifo, int  err_no  )

static

Definition at line 255 of file fifo.c.

Referenced by fifo_thread_attempt_recovery().

static void free_message ( void *  msg )

static

Definition at line 274 of file fifo.c.

Referenced by fifo_init(), and fifo_thread_attempt_recovery().

static int fifo_thread_process_recovery_failure ( FifoThreadContext *  ctx, AVPacket *  pkt, int  err_no  )

static

Definition at line 282 of file fifo.c.

Referenced by fifo_thread_attempt_recovery().

static int fifo_thread_attempt_recovery ( FifoThreadContext *  ctx, FifoMessage *  msg, int  err_no  )

static

Definition at line 314 of file fifo.c.

Referenced by fifo_thread_recover().

static int fifo_thread_recover ( FifoThreadContext *  ctx, FifoMessage *  msg, int  err_no  )

static

Definition at line 385 of file fifo.c.

Referenced by fifo_consumer_thread().

static void* fifo_consumer_thread ( void *  data )

static

Definition at line 411 of file fifo.c.

Referenced by fifo_write_header().

static int fifo_mux_init ( AVFormatContext *  avf, ff_const59 AVOutputFormat *  oformat, const char *  filename  )

static

Definition at line 472 of file fifo.c.

Referenced by fifo_init().

static int fifo_init ( AVFormatContext *  avf )

static

Definition at line 508 of file fifo.c.

static int fifo_write_header ( AVFormatContext *  avf )

static

Definition at line 547 of file fifo.c.

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

static

Definition at line 562 of file fifo.c.

static int fifo_write_trailer ( AVFormatContext *  avf )

static

Definition at line 606 of file fifo.c.

static void fifo_deinit ( AVFormatContext *  avf )

static

Definition at line 645 of file fifo.c.

Variable Documentation

const AVOption options[]

static

Definition at line 656 of file fifo.c.

const AVClass fifo_muxer_class

static

Initial value:

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

Definition at line 693 of file fifo.c.

AVOutputFormat ff_fifo_muxer

Initial value:

= {
    .name           = "fifo",
    .long_name      = NULL_IF_CONFIG_SMALL("FIFO queue pseudo-muxer"),
    .priv_data_size = sizeof(FifoContext),
    .init           = fifo_init,
    .write_header   = fifo_write_header,
    .write_packet   = fifo_write_packet,
    .write_trailer  = fifo_write_trailer,
    .deinit         = fifo_deinit,
    .priv_class     = &fifo_muxer_class,
    .flags          = AVFMT_NOFILE | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
}

Definition at line 700 of file fifo.c.