avfoundation.m File Reference

AVFoundation input device. More...

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

Classes
struct	AVFPixelFormatSpec
struct	AVFContext
class	AVFFrameReceiver
	FrameReciever class - delegate for AVCaptureSession. More...
class	AVFAudioReceiver
	AudioReciever class - delegate for AVCaptureSession. More...

Macros
#define	INTERLEAVE_OUTPUT(bps)

Variables
AVInputFormat	ff_avfoundation_demuxer

Detailed Description

AVFoundation input device.

Author

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

Macro Definition Documentation

INTERLEAVE_OUTPUT

#define INTERLEAVE_OUTPUT

(

bps

)

Value:

{                                                                      \
                    int##bps##_t **src;                                                \
                    int##bps##_t *dest;                                                \
                    src = av_malloc(ctx->audio_channels * sizeof(int##bps##_t*));      \
                    if (!src) return AVERROR(EIO);                                     \
                    for (c = 0; c < ctx->audio_channels; c++) {                        \
                        src[c] = ((int##bps##_t*)ctx->audio_buffer) + c * num_samples; \
                    }                                                                  \
                    dest  = (int##bps##_t*)pkt->data;                                  \
                    shift = bps - ctx->audio_bits_per_sample;                          \
                    for (sample = 0; sample < num_samples; sample++)                   \
                        for (c = 0; c < ctx->audio_channels; c++)                      \
                            *dest++ = src[c][sample] << shift;                         \
                    av_freep(&src);                                                    \
                }

Variable Documentation

ff_avfoundation_demuxer

AVInputFormat ff_avfoundation_demuxer

Initial value:

= {
    .name           = "avfoundation",
    .long_name      = NULL_IF_CONFIG_SMALL("AVFoundation input device"),
    .priv_data_size = sizeof(AVFContext),
    .read_header    = avf_read_header,
    .read_packet    = avf_read_packet,
    .read_close     = avf_close,
    .flags          = AVFMT_NOFILE,
    .priv_class     = &avf_class,
}