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lavd: drop QTKit indev 

QTKit has been deprecated in favor of AVFoundation for years, and we
have an avfoundation input device.

See https://developer.apple.com/documentation/qtkit
tags/n3.4
Clément Bœsch 8 years ago
parent
833a38dbe5
commit
ca7dc3ee90
7 changed files with 1 additions and 412 deletions
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  1. +1
    -0
      Changelog
  2. +0
    -1
      MAINTAINERS
  3. +0
    -3
      configure
  4. +0
    -44
      doc/indevs.texi
  5. +0
    -1
      libavdevice/Makefile
  6. +0
    -1
      libavdevice/alldevices.c
  7. +0
    -362
      libavdevice/qtkit.m

+ 1
- 0
Changelog View File

@@ -41,6 +41,7 @@ version <next>:
- FITS demuxer and decoder
- FITS muxer and encoder
- add --disable-autodetect build switch
- drop deprecated qtkit input device (use avfoundation instead)

version 3.3:
- CrystalHD decoder moved to new decode API


+ 0
- 1
MAINTAINERS View File

@@ -291,7 +291,6 @@ libavdevice
libdc1394.c Roman Shaposhnik
opengl_enc.c Lukasz Marek
pulse_audio_enc.c Lukasz Marek
qtkit.m Thilo Borgmann
sdl Stefano Sabatini
sdl2.c Josh de Kock
v4l2.c Giorgio Vazzana


+ 0
- 3
configure View File

@@ -3043,8 +3043,6 @@ oss_indev_deps_any="soundcard_h sys_soundcard_h"
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
pulse_indev_deps="libpulse"
pulse_outdev_deps="libpulse"
qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
qtkit_indev_select="qtkit"
sdl2_outdev_deps="sdl2"
sndio_indev_deps="sndio"
sndio_outdev_deps="sndio"
@@ -6010,7 +6008,6 @@ enabled openssl && { use_pkg_config openssl openssl/ssl.h OPENSSL_init
check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
die "ERROR: openssl not found"; }
enabled qtkit_indev && { check_header_objcc QTKit/QTKit.h || disable qtkit_indev; }

if enabled gcrypt; then
GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"


+ 0
- 44
doc/indevs.texi View File

@@ -68,7 +68,6 @@ Set the number of channels. Default is 2.
AVFoundation input device.

AVFoundation is the currently recommended framework by Apple for streamgrabbing on OSX >= 10.7 as well as on iOS.
The older QTKit framework has been marked deprecated since OSX version 10.7.

The input filename has to be given in the following syntax:
@example
@@ -1141,49 +1140,6 @@ Record a stream from default device:
ffmpeg -f pulse -i default /tmp/pulse.wav
@end example

@section qtkit

QTKit input device.

The filename passed as input is parsed to contain either a device name or index.
The device index can also be given by using -video_device_index.
A given device index will override any given device name.
If the desired device consists of numbers only, use -video_device_index to identify it.
The default device will be chosen if an empty string or the device name "default" is given.
The available devices can be enumerated by using -list_devices.

@example
ffmpeg -f qtkit -i "0" out.mpg
@end example

@example
ffmpeg -f qtkit -video_device_index 0 -i "" out.mpg
@end example

@example
ffmpeg -f qtkit -i "default" out.mpg
@end example

@example
ffmpeg -f qtkit -list_devices true -i ""
@end example

@subsection Options

@table @option

@item frame_rate
Set frame rate. Default is 30.

@item list_devices
If set to @code{true}, print a list of devices and exit. Default is
@code{false}.

@item video_device_index
Select the video device by index for devices with the same name (starts at 0).

@end table

@section sndio

sndio input device.


+ 0
- 1
libavdevice/Makefile View File

@@ -41,7 +41,6 @@ OBJS-$(CONFIG_PULSE_INDEV) += pulse_audio_dec.o \
pulse_audio_common.o timefilter.o
OBJS-$(CONFIG_PULSE_OUTDEV) += pulse_audio_enc.o \
pulse_audio_common.o
OBJS-$(CONFIG_QTKIT_INDEV) += qtkit.o
OBJS-$(CONFIG_SDL2_OUTDEV) += sdl2.o
OBJS-$(CONFIG_SNDIO_INDEV) += sndio_dec.o sndio.o
OBJS-$(CONFIG_SNDIO_OUTDEV) += sndio_enc.o sndio.o


+ 0
- 1
libavdevice/alldevices.c View File

@@ -58,7 +58,6 @@ static void register_all(void)
REGISTER_OUTDEV (OPENGL, opengl);
REGISTER_INOUTDEV(OSS, oss);
REGISTER_INOUTDEV(PULSE, pulse);
REGISTER_INDEV (QTKIT, qtkit);
REGISTER_OUTDEV (SDL2, sdl2);
REGISTER_INOUTDEV(SNDIO, sndio);
REGISTER_INOUTDEV(V4L2, v4l2);


+ 0
- 362
libavdevice/qtkit.m View File

@@ -1,362 +0,0 @@
/*
* QTKit input device
* Copyright (c) 2013 Vadim Kalinsky <vadim@kalinsky.ru>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/

/**
* @file
* QTKit input device
* @author Vadim Kalinsky <vadim@kalinsky.ru>
*/

#if defined(__clang__)
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
#endif

#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"

#define QTKIT_TIMEBASE 100

static const AVRational kQTKitTimeBase_q = {
.num = 1,
.den = QTKIT_TIMEBASE
};

typedef struct
{
AVClass* class;

float frame_rate;
int frames_captured;
int64_t first_pts;
pthread_mutex_t frame_lock;
pthread_cond_t frame_wait_cond;
id qt_delegate;

int list_devices;
int video_device_index;

QTCaptureSession* capture_session;
QTCaptureDecompressedVideoOutput* video_output;
CVImageBufferRef current_frame;
} CaptureContext;

static void lock_frames(CaptureContext* ctx)
{
pthread_mutex_lock(&ctx->frame_lock);
}

static void unlock_frames(CaptureContext* ctx)
{
pthread_mutex_unlock(&ctx->frame_lock);
}

/** FrameReciever class - delegate for QTCaptureSession
*/
@interface FFMPEG_FrameReceiver : NSObject
{
CaptureContext* _context;
}

- (id)initWithContext:(CaptureContext*)context;

- (void)captureOutput:(QTCaptureOutput *)captureOutput
didOutputVideoFrame:(CVImageBufferRef)videoFrame
withSampleBuffer:(QTSampleBuffer *)sampleBuffer
fromConnection:(QTCaptureConnection *)connection;

@end

@implementation FFMPEG_FrameReceiver

- (id)initWithContext:(CaptureContext*)context
{
if (self = [super init]) {
_context = context;
}
return self;
}

- (void)captureOutput:(QTCaptureOutput *)captureOutput
didOutputVideoFrame:(CVImageBufferRef)videoFrame
withSampleBuffer:(QTSampleBuffer *)sampleBuffer
fromConnection:(QTCaptureConnection *)connection
{
lock_frames(_context);
if (_context->current_frame != nil) {
CVBufferRelease(_context->current_frame);
}

_context->current_frame = CVBufferRetain(videoFrame);

pthread_cond_signal(&_context->frame_wait_cond);

unlock_frames(_context);

++_context->frames_captured;
}

@end

static void destroy_context(CaptureContext* ctx)
{
[ctx->capture_session stopRunning];

[ctx->capture_session release];
[ctx->video_output release];
[ctx->qt_delegate release];

ctx->capture_session = NULL;
ctx->video_output = NULL;
ctx->qt_delegate = NULL;

pthread_mutex_destroy(&ctx->frame_lock);
pthread_cond_destroy(&ctx->frame_wait_cond);

if (ctx->current_frame)
CVBufferRelease(ctx->current_frame);
}

static int qtkit_read_header(AVFormatContext *s)
{
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];

CaptureContext* ctx = (CaptureContext*)s->priv_data;

ctx->first_pts = av_gettime();

pthread_mutex_init(&ctx->frame_lock, NULL);
pthread_cond_init(&ctx->frame_wait_cond, NULL);

// List devices if requested
if (ctx->list_devices) {
av_log(ctx, AV_LOG_INFO, "QTKit video devices:\n");
NSArray *devices = [QTCaptureDevice inputDevicesWithMediaType:QTMediaTypeVideo];
for (QTCaptureDevice *device in devices) {
const char *name = [[device localizedDisplayName] UTF8String];
int index = [devices indexOfObject:device];
av_log(ctx, AV_LOG_INFO, "[%d] %s\n", index, name);
}
goto fail;
}

// Find capture device
QTCaptureDevice *video_device = nil;

// check for device index given in filename
if (ctx->video_device_index == -1) {
sscanf(s->filename, "%d", &ctx->video_device_index);
}

if (ctx->video_device_index >= 0) {
NSArray *devices = [QTCaptureDevice inputDevicesWithMediaType:QTMediaTypeVideo];

if (ctx->video_device_index >= [devices count]) {
av_log(ctx, AV_LOG_ERROR, "Invalid device index\n");
goto fail;
}

video_device = [devices objectAtIndex:ctx->video_device_index];
} else if (strncmp(s->filename, "", 1) &&
strncmp(s->filename, "default", 7)) {
NSArray *devices = [QTCaptureDevice inputDevicesWithMediaType:QTMediaTypeVideo];

for (QTCaptureDevice *device in devices) {
if (!strncmp(s->filename, [[device localizedDisplayName] UTF8String], strlen(s->filename))) {
video_device = device;
break;
}
}
if (!video_device) {
av_log(ctx, AV_LOG_ERROR, "Video device not found\n");
goto fail;
}
} else {
video_device = [QTCaptureDevice defaultInputDeviceWithMediaType:QTMediaTypeMuxed];
}

BOOL success = [video_device open:nil];

// Video capture device not found, looking for QTMediaTypeVideo
if (!success) {
video_device = [QTCaptureDevice defaultInputDeviceWithMediaType:QTMediaTypeVideo];
success = [video_device open:nil];

if (!success) {
av_log(s, AV_LOG_ERROR, "No QT capture device found\n");
goto fail;
}
}

NSString* dev_display_name = [video_device localizedDisplayName];
av_log (s, AV_LOG_DEBUG, "'%s' opened\n", [dev_display_name UTF8String]);

// Initialize capture session
ctx->capture_session = [[QTCaptureSession alloc] init];

QTCaptureDeviceInput* capture_dev_input = [[[QTCaptureDeviceInput alloc] initWithDevice:video_device] autorelease];
success = [ctx->capture_session addInput:capture_dev_input error:nil];

if (!success) {
av_log (s, AV_LOG_ERROR, "Failed to add QT capture device to session\n");
goto fail;
}

// Attaching output
// FIXME: Allow for a user defined pixel format
ctx->video_output = [[QTCaptureDecompressedVideoOutput alloc] init];

NSDictionary *captureDictionary = [NSDictionary dictionaryWithObject:
[NSNumber numberWithUnsignedInt:kCVPixelFormatType_24RGB]
forKey:(id)kCVPixelBufferPixelFormatTypeKey];

[ctx->video_output setPixelBufferAttributes:captureDictionary];

ctx->qt_delegate = [[FFMPEG_FrameReceiver alloc] initWithContext:ctx];

[ctx->video_output setDelegate:ctx->qt_delegate];
[ctx->video_output setAutomaticallyDropsLateVideoFrames:YES];
[ctx->video_output setMinimumVideoFrameInterval:1.0/ctx->frame_rate];

success = [ctx->capture_session addOutput:ctx->video_output error:nil];

if (!success) {
av_log (s, AV_LOG_ERROR, "can't add video output to capture session\n");
goto fail;
}

[ctx->capture_session startRunning];

// Take stream info from the first frame.
while (ctx->frames_captured < 1) {
CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, YES);
}

lock_frames(ctx);

AVStream* stream = avformat_new_stream(s, NULL);

if (!stream) {
goto fail;
}

avpriv_set_pts_info(stream, 64, 1, QTKIT_TIMEBASE);

stream->codec->codec_id = AV_CODEC_ID_RAWVIDEO;
stream->codec->codec_type = AVMEDIA_TYPE_VIDEO;
stream->codec->width = (int)CVPixelBufferGetWidth (ctx->current_frame);
stream->codec->height = (int)CVPixelBufferGetHeight(ctx->current_frame);
stream->codec->pix_fmt = AV_PIX_FMT_RGB24;

CVBufferRelease(ctx->current_frame);
ctx->current_frame = nil;

unlock_frames(ctx);

[pool release];

return 0;

fail:
[pool release];

destroy_context(ctx);

return AVERROR(EIO);
}

static int qtkit_read_packet(AVFormatContext *s, AVPacket *pkt)
{
CaptureContext* ctx = (CaptureContext*)s->priv_data;

do {
lock_frames(ctx);

if (ctx->current_frame != nil) {
if (av_new_packet(pkt, (int)CVPixelBufferGetDataSize(ctx->current_frame)) < 0) {
return AVERROR(EIO);
}

pkt->pts = pkt->dts = av_rescale_q(av_gettime() - ctx->first_pts, AV_TIME_BASE_Q, kQTKitTimeBase_q);
pkt->stream_index = 0;
pkt->flags |= AV_PKT_FLAG_KEY;

CVPixelBufferLockBaseAddress(ctx->current_frame, 0);

void* data = CVPixelBufferGetBaseAddress(ctx->current_frame);
memcpy(pkt->data, data, pkt->size);

CVPixelBufferUnlockBaseAddress(ctx->current_frame, 0);
CVBufferRelease(ctx->current_frame);
ctx->current_frame = nil;
} else {
pkt->data = NULL;
pthread_cond_wait(&ctx->frame_wait_cond, &ctx->frame_lock);
}

unlock_frames(ctx);
} while (!pkt->data);

return 0;
}

static int qtkit_close(AVFormatContext *s)
{
CaptureContext* ctx = (CaptureContext*)s->priv_data;

destroy_context(ctx);

return 0;
}

static const AVOption options[] = {
{ "frame_rate", "set frame rate", offsetof(CaptureContext, frame_rate), AV_OPT_TYPE_FLOAT, { .dbl = 30.0 }, 0.1, 30.0, AV_OPT_TYPE_VIDEO_RATE, NULL },
{ "list_devices", "list available devices", offsetof(CaptureContext, list_devices), 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)", offsetof(CaptureContext, video_device_index), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, AV_OPT_FLAG_DECODING_PARAM },
{ NULL },
};

static const AVClass qtkit_class = {
.class_name = "QTKit input device",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
.category = AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT,
};

AVInputFormat ff_qtkit_demuxer = {
.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,
};

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