qtkit.m File Reference

QTKit input device. More...

#import <QTKit/QTKit.h>
#include <pthread.h>
#include "libavutil/pixdesc.h"
#include "libavutil/opt.h"
#include "libavformat/internal.h"
#include "libavutil/internal.h"
#include "libavutil/time.h"
#include "avdevice.h"

Go to the source code of this file.

Data Structures
struct	CaptureContext
class	FFMPEG_FrameReceiver
	FrameReciever class - delegate for QTCaptureSession. More...

Macros
#define	QTKIT_TIMEBASE   100

Functions
static void	lock_frames (CaptureContext *ctx)
static void	unlock_frames (CaptureContext *ctx)
static void	destroy_context (CaptureContext *ctx)
static int	qtkit_read_header (AVFormatContext *s)
static int	qtkit_read_packet (AVFormatContext *s, AVPacket *pkt)
static int	qtkit_close (AVFormatContext *s)

Variables
static const AVRational	kQTKitTimeBase_q
static const AVOption	options []
static const AVClass	qtkit_class
AVInputFormat	ff_qtkit_demuxer

Detailed Description

QTKit input device.

Author

Vadim Kalinsky vadim.nosp@m.@kal.nosp@m.insky.nosp@m..ru

Definition in file qtkit.m.

Macro Definition Documentation

#define QTKIT_TIMEBASE   100

Definition at line 42 of file qtkit.m.

Referenced by qtkit_read_header().

Function Documentation

static void lock_frames ( CaptureContext *  ctx )

static

Definition at line 68 of file qtkit.m.

Referenced by FFMPEG_FrameReceiver::captureOutput:didOutputVideoFrame:withSampleBuffer:fromConnection:, qtkit_read_header(), and qtkit_read_packet().

static void unlock_frames ( CaptureContext *  ctx )

static

Definition at line 73 of file qtkit.m.

Referenced by FFMPEG_FrameReceiver::captureOutput:didOutputVideoFrame:withSampleBuffer:fromConnection:, qtkit_read_header(), and qtkit_read_packet().

static void destroy_context ( CaptureContext *  ctx )

static

Definition at line 125 of file qtkit.m.

Referenced by qtkit_close(), and qtkit_read_header().

static int qtkit_read_header ( AVFormatContext *  s )

static

Definition at line 144 of file qtkit.m.

static int qtkit_read_packet ( AVFormatContext *  s, AVPacket *  pkt  )

static

Definition at line 292 of file qtkit.m.

static int qtkit_close ( AVFormatContext *  s )

static

Definition at line 327 of file qtkit.m.

Variable Documentation

const AVRational kQTKitTimeBase_q

static

Initial value:

= {
    .num = 1,
    .den = QTKIT_TIMEBASE
}

Definition at line 44 of file qtkit.m.

const AVOption options[]

static

Initial value:

= {
    { "frame_rate", "set frame rate", 0x42, AV_OPT_TYPE_FLOAT, { .dbl = 30.0 }, 0.1, 30.0, AV_OPT_TYPE_VIDEO_RATE, NULL },
    { "list_devices", "list available devices", 0x42, AV_OPT_TYPE_INT, {.i64=0}, 0, 1, AV_OPT_FLAG_DECODING_PARAM, "list_devices" },
    { "true", "", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, AV_OPT_FLAG_DECODING_PARAM, "list_devices" },
    { "false", "", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, AV_OPT_FLAG_DECODING_PARAM, "list_devices" },
    { "video_device_index", "select video device by index for devices with same name (starts at 0)", 0x42, AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, AV_OPT_FLAG_DECODING_PARAM },
    { NULL },
}

Definition at line 336 of file qtkit.m.

const AVClass qtkit_class

static

Initial value:

= {
    .class_name = "QTKit input device",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
    .category   = AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT,
}

Definition at line 345 of file qtkit.m.

AVInputFormat ff_qtkit_demuxer

Initial value:

= {
    .name           = "qtkit",
    .long_name      = NULL_IF_CONFIG_SMALL("QTKit input device"),
    .priv_data_size = sizeof(CaptureContext),
    .read_header    = qtkit_read_header,
    .read_packet    = qtkit_read_packet,
    .read_close     = qtkit_close,
    .flags          = AVFMT_NOFILE,
    .priv_class     = &qtkit_class,
}

Definition at line 353 of file qtkit.m.