audiotoolbox.m File Reference

#import <AudioToolbox/AudioToolbox.h>
#include <pthread.h>
#include "libavutil/opt.h"
#include "libavformat/internal.h"
#include "libavutil/internal.h"
#include "avdevice.h"

Go to the source code of this file.

Data Structures
struct	ATContext

Functions
static int	check_status (AVFormatContext *avctx, OSStatus *status, const char *msg)
static void	queue_callback (void *atctx, AudioQueueRef inAQ, AudioQueueBufferRef inBuffer)
static av_cold int	at_write_header (AVFormatContext *avctx)
static int	at_write_packet (AVFormatContext *avctx, AVPacket *pkt)
static av_cold int	at_write_trailer (AVFormatContext *avctx)

Variables
static const AVOption	options []
static const AVClass	at_class
const AVOutputFormat	ff_audiotoolbox_muxer

Detailed Description

AudioToolbox output device

Author

Thilo Borgmann thilo.nosp@m..bor.nosp@m.gmann.nosp@m.@mai.nosp@m.l.de

Definition in file audiotoolbox.m.

Function Documentation

check_status()

static int check_status ( AVFormatContext *  avctx, OSStatus *  status, const char *  msg  )

static

Definition at line 50 of file audiotoolbox.m.

Referenced by at_write_header(), at_write_packet(), and at_write_trailer().

queue_callback()

static void queue_callback ( void *  atctx, AudioQueueRef  inAQ, AudioQueueBufferRef  inBuffer  )

static

Definition at line 61 of file audiotoolbox.m.

Referenced by at_write_header().

at_write_header()

static av_cold int at_write_header ( AVFormatContext *  avctx )

static

Definition at line 73 of file audiotoolbox.m.

at_write_packet()

static int at_write_packet ( AVFormatContext *  avctx, AVPacket *  pkt  )

static

Definition at line 232 of file audiotoolbox.m.

at_write_trailer()

static av_cold int at_write_trailer ( AVFormatContext *  avctx )

static

Definition at line 267 of file audiotoolbox.m.

Variable Documentation

options

const AVOption options[]

static

Initial value:

= {
    { "list_devices", "list available audio devices", 0x42, AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM },
    { "audio_device_index", "select audio device by index (starts at 0)", 0x42, AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
    { NULL },
}

Definition at line 283 of file audiotoolbox.m.

at_class

const AVClass at_class

static

Initial value:

= {
    .class_name = "AudioToolbox",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
    .category   = AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT,
}

Definition at line 289 of file audiotoolbox.m.

ff_audiotoolbox_muxer

const AVOutputFormat ff_audiotoolbox_muxer

Initial value:

= {
    .name           = "audiotoolbox",
    .long_name      = NULL_IF_CONFIG_SMALL("AudioToolbox output device"),
    .priv_data_size = sizeof(ATContext),
    .audio_codec    = AV_NE(AV_CODEC_ID_PCM_S16BE, AV_CODEC_ID_PCM_S16LE),
    .video_codec    = AV_CODEC_ID_NONE,
    .write_header   = at_write_header,
    .write_packet   = at_write_packet,
    .write_trailer  = at_write_trailer,
    .flags          = AVFMT_NOFILE,
    .priv_class     = &at_class,
}

Definition at line 297 of file audiotoolbox.m.