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iec61883.c File Reference

libiec61883 interface More...

#include <sys/poll.h>
#include <libraw1394/raw1394.h>
#include <libavc1394/avc1394.h>
#include <libavc1394/rom1394.h>
#include <libiec61883/iec61883.h>
#include "libavformat/dv.h"
#include "libavformat/mpegts.h"
#include "libavutil/opt.h"
#include "avdevice.h"

Go to the source code of this file.

Data Structures

struct  DVPacket
 For DV, one packet corresponds exactly to one frame. More...
 
struct  iec61883_data
 

Macros

#define THREADS   HAVE_PTHREADS
 
#define MOTDCT_SPEC_ID   0x00005068
 
#define IEC61883_AUTO   0
 
#define IEC61883_DV   1
 
#define IEC61883_HDV   2
 

Functions

static int iec61883_callback (unsigned char *data, int length, int complete, void *callback_data)
 
static voidiec61883_receive_task (void *opaque)
 
static int iec61883_parse_queue_dv (struct iec61883_data *dv, AVPacket *pkt)
 
static int iec61883_parse_queue_hdv (struct iec61883_data *dv, AVPacket *pkt)
 
static int iec61883_read_header (AVFormatContext *context)
 
static int iec61883_read_packet (AVFormatContext *context, AVPacket *pkt)
 
static int iec61883_close (AVFormatContext *context)
 

Variables

static const AVOption options []
 
static const AVClass iec61883_class
 
AVInputFormat ff_iec61883_demuxer
 

Detailed Description

libiec61883 interface

Definition in file iec61883.c.

Macro Definition Documentation

#define THREADS   HAVE_PTHREADS

Definition at line 36 of file iec61883.c.

#define MOTDCT_SPEC_ID   0x00005068

Definition at line 42 of file iec61883.c.

Referenced by iec61883_read_header().

#define IEC61883_AUTO   0

Definition at line 43 of file iec61883.c.

Referenced by iec61883_read_header().

#define IEC61883_DV   1

Definition at line 44 of file iec61883.c.

Referenced by iec61883_read_header().

#define IEC61883_HDV   2

Definition at line 45 of file iec61883.c.

Referenced by iec61883_close(), and iec61883_read_header().

Function Documentation

static int iec61883_callback ( unsigned char *  data,
int  length,
int  complete,
void callback_data 
)
static

Definition at line 98 of file iec61883.c.

Referenced by iec61883_read_header().

static void* iec61883_receive_task ( void opaque)
static

Definition at line 149 of file iec61883.c.

Referenced by iec61883_read_header(), and iec61883_read_packet().

static int iec61883_parse_queue_dv ( struct iec61883_data dv,
AVPacket pkt 
)
static

Definition at line 186 of file iec61883.c.

Referenced by iec61883_read_header().

static int iec61883_parse_queue_hdv ( struct iec61883_data dv,
AVPacket pkt 
)
static

Definition at line 211 of file iec61883.c.

Referenced by iec61883_read_header().

static int iec61883_read_header ( AVFormatContext context)
static

Definition at line 232 of file iec61883.c.

static int iec61883_read_packet ( AVFormatContext context,
AVPacket pkt 
)
static

Try to parse frames from queue

Definition at line 409 of file iec61883.c.

static int iec61883_close ( AVFormatContext context)
static

Definition at line 438 of file iec61883.c.

Variable Documentation

const AVOption options[]
static
Initial value:
= {
{ "dvtype", "override autodetection of DV/HDV", 0x42, AV_OPT_TYPE_INT, {.i64 = IEC61883_AUTO}, IEC61883_AUTO, IEC61883_HDV, AV_OPT_FLAG_DECODING_PARAM, "dvtype" },
{ "auto", "auto detect DV/HDV", 0, AV_OPT_TYPE_CONST, {.i64 = IEC61883_AUTO}, 0, 0, AV_OPT_FLAG_DECODING_PARAM, "dvtype" },
{ "dv", "force device being treated as DV device", 0, AV_OPT_TYPE_CONST, {.i64 = IEC61883_DV}, 0, 0, AV_OPT_FLAG_DECODING_PARAM, "dvtype" },
{ "hdv" , "force device being treated as HDV device", 0, AV_OPT_TYPE_CONST, {.i64 = IEC61883_HDV}, 0, 0, AV_OPT_FLAG_DECODING_PARAM, "dvtype" },
{ "dvbuffer", "set queue buffer size (in packets)", 0x42, AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM },
{ "dvguid", "select one of multiple DV devices by its GUID", 0x42, AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, AV_OPT_FLAG_DECODING_PARAM },
{ NULL },
}
#define NULL
Definition: coverity.c:32
#define IEC61883_DV
Definition: iec61883.c:44
#define AV_OPT_FLAG_DECODING_PARAM
a generic parameter which can be set by the user for demuxing or decoding
Definition: opt.h:276
#define IEC61883_AUTO
Definition: iec61883.c:43
#define IEC61883_HDV
Definition: iec61883.c:45

Definition at line 473 of file iec61883.c.

const AVClass iec61883_class
static
Initial value:
= {
.class_name = "iec61883 indev",
.item_name = av_default_item_name,
.option = options,
}
#define LIBAVUTIL_VERSION_INT
Definition: version.h:70
static const AVOption options[]
Definition: iec61883.c:473
av_default_item_name

Definition at line 483 of file iec61883.c.

AVInputFormat ff_iec61883_demuxer
Initial value:
= {
.name = "iec61883",
.long_name = NULL_IF_CONFIG_SMALL("libiec61883 (new DV1394) A/V input device"),
.priv_data_size = sizeof(struct iec61883_data),
.read_packet = iec61883_read_packet,
.read_close = iec61883_close,
.flags = AVFMT_NOFILE,
.priv_class = &iec61883_class,
}
static int iec61883_read_packet(AVFormatContext *context, AVPacket *pkt)
Definition: iec61883.c:409
static const AVClass iec61883_class
Definition: iec61883.c:483
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:176
static int iec61883_close(AVFormatContext *context)
Definition: iec61883.c:438
static int read_header(FFV1Context *f)
Definition: ffv1dec.c:514
static int iec61883_read_header(AVFormatContext *context)
Definition: iec61883.c:232
#define AVFMT_NOFILE
Demuxer will use avio_open, no opened file should be provided by the caller.
Definition: avformat.h:478

Definition at line 491 of file iec61883.c.