| /* $Id$ */ |
| /* |
| * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program 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 General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| #include <pjmedia-videodev/videodev_imp.h> |
| #include <pj/assert.h> |
| #include <pj/log.h> |
| #include <pj/os.h> |
| |
| #if PJMEDIA_VIDEO_DEV_HAS_IOS && PJMEDIA_HAS_VIDEO |
| #include "Availability.h" |
| #ifdef __IPHONE_4_0 |
| |
| #import <UIKit/UIKit.h> |
| #import <AVFoundation/AVFoundation.h> |
| |
| #define THIS_FILE "ios_dev.c" |
| #define DEFAULT_CLOCK_RATE 90000 |
| #define DEFAULT_WIDTH 480 |
| #define DEFAULT_HEIGHT 360 |
| #define DEFAULT_FPS 15 |
| |
| typedef struct ios_fmt_info |
| { |
| pjmedia_format_id pjmedia_format; |
| UInt32 ios_format; |
| } ios_fmt_info; |
| |
| static ios_fmt_info ios_fmts[] = |
| { |
| {PJMEDIA_FORMAT_BGRA, kCVPixelFormatType_32BGRA} , |
| }; |
| |
| /* qt device info */ |
| struct ios_dev_info |
| { |
| pjmedia_vid_dev_info info; |
| }; |
| |
| /* qt factory */ |
| struct ios_factory |
| { |
| pjmedia_vid_dev_factory base; |
| pj_pool_t *pool; |
| pj_pool_factory *pf; |
| |
| unsigned dev_count; |
| struct ios_dev_info *dev_info; |
| }; |
| |
| @interface VOutDelegate: NSObject |
| <AVCaptureVideoDataOutputSampleBufferDelegate> |
| { |
| @public |
| struct ios_stream *stream; |
| } |
| @end |
| |
| /* Video stream. */ |
| struct ios_stream |
| { |
| pjmedia_vid_dev_stream base; /**< Base stream */ |
| pjmedia_vid_dev_param param; /**< Settings */ |
| pj_pool_t *pool; /**< Memory pool */ |
| |
| pjmedia_vid_dev_cb vid_cb; /**< Stream callback */ |
| void *user_data; /**< Application data */ |
| |
| pjmedia_rect_size size; |
| pj_uint8_t bpp; |
| unsigned bytes_per_row; |
| unsigned frame_size; |
| |
| AVCaptureSession *cap_session; |
| AVCaptureDeviceInput *dev_input; |
| AVCaptureVideoDataOutput *video_output; |
| VOutDelegate *vout_delegate; |
| |
| UIImageView *imgView; |
| void *buf; |
| dispatch_queue_t render_queue; |
| |
| pj_timestamp frame_ts; |
| unsigned ts_inc; |
| }; |
| |
| |
| /* Prototypes */ |
| static pj_status_t ios_factory_init(pjmedia_vid_dev_factory *f); |
| static pj_status_t ios_factory_destroy(pjmedia_vid_dev_factory *f); |
| static pj_status_t ios_factory_refresh(pjmedia_vid_dev_factory *f); |
| static unsigned ios_factory_get_dev_count(pjmedia_vid_dev_factory *f); |
| static pj_status_t ios_factory_get_dev_info(pjmedia_vid_dev_factory *f, |
| unsigned index, |
| pjmedia_vid_dev_info *info); |
| static pj_status_t ios_factory_default_param(pj_pool_t *pool, |
| pjmedia_vid_dev_factory *f, |
| unsigned index, |
| pjmedia_vid_dev_param *param); |
| static pj_status_t ios_factory_create_stream( |
| pjmedia_vid_dev_factory *f, |
| pjmedia_vid_dev_param *param, |
| const pjmedia_vid_dev_cb *cb, |
| void *user_data, |
| pjmedia_vid_dev_stream **p_vid_strm); |
| |
| static pj_status_t ios_stream_get_param(pjmedia_vid_dev_stream *strm, |
| pjmedia_vid_dev_param *param); |
| static pj_status_t ios_stream_get_cap(pjmedia_vid_dev_stream *strm, |
| pjmedia_vid_dev_cap cap, |
| void *value); |
| static pj_status_t ios_stream_set_cap(pjmedia_vid_dev_stream *strm, |
| pjmedia_vid_dev_cap cap, |
| const void *value); |
| static pj_status_t ios_stream_start(pjmedia_vid_dev_stream *strm); |
| static pj_status_t ios_stream_put_frame(pjmedia_vid_dev_stream *strm, |
| const pjmedia_frame *frame); |
| static pj_status_t ios_stream_stop(pjmedia_vid_dev_stream *strm); |
| static pj_status_t ios_stream_destroy(pjmedia_vid_dev_stream *strm); |
| |
| /* Operations */ |
| static pjmedia_vid_dev_factory_op factory_op = |
| { |
| &ios_factory_init, |
| &ios_factory_destroy, |
| &ios_factory_get_dev_count, |
| &ios_factory_get_dev_info, |
| &ios_factory_default_param, |
| &ios_factory_create_stream, |
| &ios_factory_refresh |
| }; |
| |
| static pjmedia_vid_dev_stream_op stream_op = |
| { |
| &ios_stream_get_param, |
| &ios_stream_get_cap, |
| &ios_stream_set_cap, |
| &ios_stream_start, |
| NULL, |
| &ios_stream_put_frame, |
| &ios_stream_stop, |
| &ios_stream_destroy |
| }; |
| |
| |
| /**************************************************************************** |
| * Factory operations |
| */ |
| /* |
| * Init ios_ video driver. |
| */ |
| pjmedia_vid_dev_factory* pjmedia_ios_factory(pj_pool_factory *pf) |
| { |
| struct ios_factory *f; |
| pj_pool_t *pool; |
| |
| pool = pj_pool_create(pf, "ios video", 512, 512, NULL); |
| f = PJ_POOL_ZALLOC_T(pool, struct ios_factory); |
| f->pf = pf; |
| f->pool = pool; |
| f->base.op = &factory_op; |
| |
| return &f->base; |
| } |
| |
| |
| /* API: init factory */ |
| static pj_status_t ios_factory_init(pjmedia_vid_dev_factory *f) |
| { |
| struct ios_factory *qf = (struct ios_factory*)f; |
| struct ios_dev_info *qdi; |
| unsigned i, l; |
| |
| /* Initialize input and output devices here */ |
| qf->dev_info = (struct ios_dev_info*) |
| pj_pool_calloc(qf->pool, 2, |
| sizeof(struct ios_dev_info)); |
| |
| qf->dev_count = 0; |
| qdi = &qf->dev_info[qf->dev_count++]; |
| pj_bzero(qdi, sizeof(*qdi)); |
| strcpy(qdi->info.name, "iOS UIView"); |
| strcpy(qdi->info.driver, "iOS"); |
| qdi->info.dir = PJMEDIA_DIR_RENDER; |
| qdi->info.has_callback = PJ_FALSE; |
| qdi->info.caps = PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW; |
| |
| if (NSClassFromString(@"AVCaptureSession")) { |
| qdi = &qf->dev_info[qf->dev_count++]; |
| pj_bzero(qdi, sizeof(*qdi)); |
| strcpy(qdi->info.name, "iOS AVCapture"); |
| strcpy(qdi->info.driver, "iOS"); |
| qdi->info.dir = PJMEDIA_DIR_CAPTURE; |
| qdi->info.has_callback = PJ_TRUE; |
| } |
| |
| for (i = 0; i < qf->dev_count; i++) { |
| qdi = &qf->dev_info[i]; |
| qdi->info.fmt_cnt = PJ_ARRAY_SIZE(ios_fmts); |
| qdi->info.caps |= PJMEDIA_VID_DEV_CAP_FORMAT; |
| |
| for (l = 0; l < PJ_ARRAY_SIZE(ios_fmts); l++) { |
| pjmedia_format *fmt = &qdi->info.fmt[l]; |
| pjmedia_format_init_video(fmt, |
| ios_fmts[l].pjmedia_format, |
| DEFAULT_WIDTH, |
| DEFAULT_HEIGHT, |
| DEFAULT_FPS, 1); |
| } |
| } |
| |
| PJ_LOG(4, (THIS_FILE, "iOS video initialized with %d devices", |
| qf->dev_count)); |
| |
| return PJ_SUCCESS; |
| } |
| |
| /* API: destroy factory */ |
| static pj_status_t ios_factory_destroy(pjmedia_vid_dev_factory *f) |
| { |
| struct ios_factory *qf = (struct ios_factory*)f; |
| pj_pool_t *pool = qf->pool; |
| |
| qf->pool = NULL; |
| pj_pool_release(pool); |
| |
| return PJ_SUCCESS; |
| } |
| |
| /* API: refresh the list of devices */ |
| static pj_status_t ios_factory_refresh(pjmedia_vid_dev_factory *f) |
| { |
| PJ_UNUSED_ARG(f); |
| return PJ_SUCCESS; |
| } |
| |
| /* API: get number of devices */ |
| static unsigned ios_factory_get_dev_count(pjmedia_vid_dev_factory *f) |
| { |
| struct ios_factory *qf = (struct ios_factory*)f; |
| return qf->dev_count; |
| } |
| |
| /* API: get device info */ |
| static pj_status_t ios_factory_get_dev_info(pjmedia_vid_dev_factory *f, |
| unsigned index, |
| pjmedia_vid_dev_info *info) |
| { |
| struct ios_factory *qf = (struct ios_factory*)f; |
| |
| PJ_ASSERT_RETURN(index < qf->dev_count, PJMEDIA_EVID_INVDEV); |
| |
| pj_memcpy(info, &qf->dev_info[index].info, sizeof(*info)); |
| |
| return PJ_SUCCESS; |
| } |
| |
| /* API: create default device parameter */ |
| static pj_status_t ios_factory_default_param(pj_pool_t *pool, |
| pjmedia_vid_dev_factory *f, |
| unsigned index, |
| pjmedia_vid_dev_param *param) |
| { |
| struct ios_factory *qf = (struct ios_factory*)f; |
| struct ios_dev_info *di = &qf->dev_info[index]; |
| |
| PJ_ASSERT_RETURN(index < qf->dev_count, PJMEDIA_EVID_INVDEV); |
| |
| PJ_UNUSED_ARG(pool); |
| |
| pj_bzero(param, sizeof(*param)); |
| if (di->info.dir & PJMEDIA_DIR_CAPTURE) { |
| param->dir = PJMEDIA_DIR_CAPTURE; |
| param->cap_id = index; |
| param->rend_id = PJMEDIA_VID_INVALID_DEV; |
| } else if (di->info.dir & PJMEDIA_DIR_RENDER) { |
| param->dir = PJMEDIA_DIR_RENDER; |
| param->rend_id = index; |
| param->cap_id = PJMEDIA_VID_INVALID_DEV; |
| } else { |
| return PJMEDIA_EVID_INVDEV; |
| } |
| |
| param->flags = PJMEDIA_VID_DEV_CAP_FORMAT; |
| param->clock_rate = DEFAULT_CLOCK_RATE; |
| pj_memcpy(¶m->fmt, &di->info.fmt[0], sizeof(param->fmt)); |
| |
| return PJ_SUCCESS; |
| } |
| |
| @implementation VOutDelegate |
| - (void)update_image |
| { |
| NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; |
| |
| /* Create a device-dependent RGB color space */ |
| CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB(); |
| |
| /* Create a bitmap graphics context with the sample buffer data */ |
| CGContextRef context = |
| CGBitmapContextCreate(stream->buf, stream->size.w, stream->size.h, 8, |
| stream->bytes_per_row, colorSpace, |
| kCGBitmapByteOrder32Little | |
| kCGImageAlphaPremultipliedFirst); |
| |
| /** |
| * Create a Quartz image from the pixel data in the bitmap graphics |
| * context |
| */ |
| CGImageRef quartzImage = CGBitmapContextCreateImage(context); |
| |
| /* Free up the context and color space */ |
| CGContextRelease(context); |
| CGColorSpaceRelease(colorSpace); |
| |
| /* Create an image object from the Quartz image */ |
| UIImage *image = [UIImage imageWithCGImage:quartzImage scale:1.0 |
| orientation:UIImageOrientationRight]; |
| |
| /* Release the Quartz image */ |
| CGImageRelease(quartzImage); |
| |
| dispatch_async(dispatch_get_main_queue(), |
| ^{[stream->imgView setImage:image];}); |
| /* |
| [stream->imgView performSelectorOnMainThread:@selector(setImage:) |
| withObject:image waitUntilDone:NO]; |
| */ |
| |
| [pool release]; |
| } |
| |
| - (void)captureOutput:(AVCaptureOutput *)captureOutput |
| didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer |
| fromConnection:(AVCaptureConnection *)connection |
| { |
| pjmedia_frame frame; |
| CVImageBufferRef imageBuffer; |
| |
| if (!sampleBuffer) |
| return; |
| |
| /* Get a CMSampleBuffer's Core Video image buffer for the media data */ |
| imageBuffer = CMSampleBufferGetImageBuffer(sampleBuffer); |
| |
| /* Lock the base address of the pixel buffer */ |
| CVPixelBufferLockBaseAddress(imageBuffer, 0); |
| |
| frame.type = PJMEDIA_FRAME_TYPE_VIDEO; |
| frame.buf = CVPixelBufferGetBaseAddress(imageBuffer); |
| frame.size = stream->frame_size; |
| frame.bit_info = 0; |
| frame.timestamp.u64 = stream->frame_ts.u64; |
| |
| if (stream->vid_cb.capture_cb) |
| (*stream->vid_cb.capture_cb)(&stream->base, stream->user_data, &frame); |
| |
| stream->frame_ts.u64 += stream->ts_inc; |
| |
| /* Unlock the pixel buffer */ |
| CVPixelBufferUnlockBaseAddress(imageBuffer,0); |
| } |
| @end |
| |
| static ios_fmt_info* get_ios_format_info(pjmedia_format_id id) |
| { |
| unsigned i; |
| |
| for (i = 0; i < PJ_ARRAY_SIZE(ios_fmts); i++) { |
| if (ios_fmts[i].pjmedia_format == id) |
| return &ios_fmts[i]; |
| } |
| |
| return NULL; |
| } |
| |
| /* API: create stream */ |
| static pj_status_t ios_factory_create_stream( |
| pjmedia_vid_dev_factory *f, |
| pjmedia_vid_dev_param *param, |
| const pjmedia_vid_dev_cb *cb, |
| void *user_data, |
| pjmedia_vid_dev_stream **p_vid_strm) |
| { |
| struct ios_factory *qf = (struct ios_factory*)f; |
| pj_pool_t *pool; |
| struct ios_stream *strm; |
| const pjmedia_video_format_detail *vfd; |
| const pjmedia_video_format_info *vfi; |
| pj_status_t status = PJ_SUCCESS; |
| ios_fmt_info *ifi = get_ios_format_info(param->fmt.id); |
| NSError *error; |
| |
| PJ_ASSERT_RETURN(f && param && p_vid_strm, PJ_EINVAL); |
| PJ_ASSERT_RETURN(param->fmt.type == PJMEDIA_TYPE_VIDEO && |
| param->fmt.detail_type == PJMEDIA_FORMAT_DETAIL_VIDEO && |
| (param->dir == PJMEDIA_DIR_CAPTURE || |
| param->dir == PJMEDIA_DIR_RENDER), |
| PJ_EINVAL); |
| |
| if (!(ifi = get_ios_format_info(param->fmt.id))) |
| return PJMEDIA_EVID_BADFORMAT; |
| |
| vfi = pjmedia_get_video_format_info(NULL, param->fmt.id); |
| if (!vfi) |
| return PJMEDIA_EVID_BADFORMAT; |
| |
| /* Create and Initialize stream descriptor */ |
| pool = pj_pool_create(qf->pf, "ios-dev", 4000, 4000, NULL); |
| PJ_ASSERT_RETURN(pool != NULL, PJ_ENOMEM); |
| |
| strm = PJ_POOL_ZALLOC_T(pool, struct ios_stream); |
| pj_memcpy(&strm->param, param, sizeof(*param)); |
| strm->pool = pool; |
| pj_memcpy(&strm->vid_cb, cb, sizeof(*cb)); |
| strm->user_data = user_data; |
| |
| vfd = pjmedia_format_get_video_format_detail(&strm->param.fmt, PJ_TRUE); |
| pj_memcpy(&strm->size, &vfd->size, sizeof(vfd->size)); |
| strm->bpp = vfi->bpp; |
| strm->bytes_per_row = strm->size.w * strm->bpp / 8; |
| strm->frame_size = strm->bytes_per_row * strm->size.h; |
| strm->ts_inc = PJMEDIA_SPF2(param->clock_rate, &vfd->fps, 1); |
| |
| if (param->dir & PJMEDIA_DIR_CAPTURE) { |
| /* Create capture stream here */ |
| strm->cap_session = [[AVCaptureSession alloc] init]; |
| if (!strm->cap_session) { |
| status = PJ_ENOMEM; |
| goto on_error; |
| } |
| strm->cap_session.sessionPreset = AVCaptureSessionPresetMedium; |
| |
| /* Open video device */ |
| AVCaptureDevice *videoDevice = |
| [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo]; |
| if (!videoDevice) { |
| status = PJMEDIA_EVID_SYSERR; |
| goto on_error; |
| } |
| |
| /* Add the video device to the session as a device input */ |
| strm->dev_input = [AVCaptureDeviceInput |
| deviceInputWithDevice:videoDevice |
| error: &error]; |
| if (!strm->dev_input) { |
| status = PJMEDIA_EVID_SYSERR; |
| goto on_error; |
| } |
| [strm->cap_session addInput:strm->dev_input]; |
| |
| strm->video_output = [[[AVCaptureVideoDataOutput alloc] init] |
| autorelease]; |
| if (!strm->video_output) { |
| status = PJMEDIA_EVID_SYSERR; |
| goto on_error; |
| } |
| [strm->cap_session addOutput:strm->video_output]; |
| |
| /* Configure the video output */ |
| strm->vout_delegate = [VOutDelegate alloc]; |
| strm->vout_delegate->stream = strm; |
| dispatch_queue_t queue = dispatch_queue_create("myQueue", NULL); |
| [strm->video_output setSampleBufferDelegate:strm->vout_delegate |
| queue:queue]; |
| dispatch_release(queue); |
| |
| strm->video_output.videoSettings = |
| [NSDictionary dictionaryWithObjectsAndKeys: |
| [NSNumber numberWithInt:ifi->ios_format], |
| kCVPixelBufferPixelFormatTypeKey, |
| [NSNumber numberWithInt: vfd->size.w], |
| kCVPixelBufferWidthKey, |
| [NSNumber numberWithInt: vfd->size.h], |
| kCVPixelBufferHeightKey, nil]; |
| strm->video_output.minFrameDuration = CMTimeMake(vfd->fps.denum, |
| vfd->fps.num); |
| } else if (param->dir & PJMEDIA_DIR_RENDER) { |
| /* Create renderer stream here */ |
| /* Get the main window */ |
| UIWindow *window = [[UIApplication sharedApplication] keyWindow]; |
| |
| if (param->flags & PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW && |
| param->window.info.ios.window) |
| window = (UIWindow *)param->window.info.ios.window; |
| |
| pj_assert(window); |
| strm->imgView = [[UIImageView alloc] initWithFrame:[window bounds]]; |
| if (!strm->imgView) { |
| status = PJ_ENOMEM; |
| goto on_error; |
| } |
| [window addSubview:strm->imgView]; |
| |
| if (!strm->vout_delegate) { |
| strm->vout_delegate = [VOutDelegate alloc]; |
| strm->vout_delegate->stream = strm; |
| } |
| |
| strm->render_queue = dispatch_queue_create("com.pjsip.render_queue", |
| NULL); |
| if (!strm->render_queue) |
| goto on_error; |
| |
| strm->buf = pj_pool_alloc(pool, strm->frame_size); |
| } |
| |
| /* Apply the remaining settings */ |
| /* |
| if (param->flags & PJMEDIA_VID_DEV_CAP_INPUT_SCALE) { |
| ios_stream_set_cap(&strm->base, |
| PJMEDIA_VID_DEV_CAP_INPUT_SCALE, |
| ¶m->fmt); |
| } |
| */ |
| /* Done */ |
| strm->base.op = &stream_op; |
| *p_vid_strm = &strm->base; |
| |
| return PJ_SUCCESS; |
| |
| on_error: |
| ios_stream_destroy((pjmedia_vid_dev_stream *)strm); |
| |
| return status; |
| } |
| |
| /* API: Get stream info. */ |
| static pj_status_t ios_stream_get_param(pjmedia_vid_dev_stream *s, |
| pjmedia_vid_dev_param *pi) |
| { |
| struct ios_stream *strm = (struct ios_stream*)s; |
| |
| PJ_ASSERT_RETURN(strm && pi, PJ_EINVAL); |
| |
| pj_memcpy(pi, &strm->param, sizeof(*pi)); |
| |
| /* if (ios_stream_get_cap(s, PJMEDIA_VID_DEV_CAP_INPUT_SCALE, |
| &pi->fmt.info_size) == PJ_SUCCESS) |
| { |
| pi->flags |= PJMEDIA_VID_DEV_CAP_INPUT_SCALE; |
| } |
| */ |
| return PJ_SUCCESS; |
| } |
| |
| /* API: get capability */ |
| static pj_status_t ios_stream_get_cap(pjmedia_vid_dev_stream *s, |
| pjmedia_vid_dev_cap cap, |
| void *pval) |
| { |
| struct ios_stream *strm = (struct ios_stream*)s; |
| |
| PJ_UNUSED_ARG(strm); |
| |
| PJ_ASSERT_RETURN(s && pval, PJ_EINVAL); |
| |
| if (cap==PJMEDIA_VID_DEV_CAP_INPUT_SCALE) |
| { |
| return PJMEDIA_EVID_INVCAP; |
| // return PJ_SUCCESS; |
| } else { |
| return PJMEDIA_EVID_INVCAP; |
| } |
| } |
| |
| /* API: set capability */ |
| static pj_status_t ios_stream_set_cap(pjmedia_vid_dev_stream *s, |
| pjmedia_vid_dev_cap cap, |
| const void *pval) |
| { |
| struct ios_stream *strm = (struct ios_stream*)s; |
| |
| PJ_UNUSED_ARG(strm); |
| |
| PJ_ASSERT_RETURN(s && pval, PJ_EINVAL); |
| |
| if (cap==PJMEDIA_VID_DEV_CAP_INPUT_SCALE) |
| { |
| return PJ_SUCCESS; |
| } |
| |
| return PJMEDIA_EVID_INVCAP; |
| } |
| |
| /* API: Start stream. */ |
| static pj_status_t ios_stream_start(pjmedia_vid_dev_stream *strm) |
| { |
| struct ios_stream *stream = (struct ios_stream*)strm; |
| |
| PJ_UNUSED_ARG(stream); |
| |
| PJ_LOG(4, (THIS_FILE, "Starting ios video stream")); |
| |
| if (stream->cap_session) { |
| [stream->cap_session startRunning]; |
| |
| if (![stream->cap_session isRunning]) |
| return PJ_EUNKNOWN; |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* API: Put frame from stream */ |
| static pj_status_t ios_stream_put_frame(pjmedia_vid_dev_stream *strm, |
| const pjmedia_frame *frame) |
| { |
| struct ios_stream *stream = (struct ios_stream*)strm; |
| NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; |
| |
| pj_assert(stream->frame_size >= frame->size); |
| pj_memcpy(stream->buf, frame->buf, frame->size); |
| /* Perform video display in a background thread */ |
| /* |
| [stream->vout_delegate update_image]; |
| [NSThread detachNewThreadSelector:@selector(update_image) |
| toTarget:stream->vout_delegate withObject:nil]; |
| */ |
| dispatch_async(stream->render_queue, |
| ^{[stream->vout_delegate update_image];}); |
| |
| [pool release]; |
| |
| return PJ_SUCCESS; |
| } |
| |
| /* API: Stop stream. */ |
| static pj_status_t ios_stream_stop(pjmedia_vid_dev_stream *strm) |
| { |
| struct ios_stream *stream = (struct ios_stream*)strm; |
| |
| PJ_UNUSED_ARG(stream); |
| |
| PJ_LOG(4, (THIS_FILE, "Stopping ios video stream")); |
| |
| if (stream->cap_session && [stream->cap_session isRunning]) |
| [stream->cap_session stopRunning]; |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* API: Destroy stream. */ |
| static pj_status_t ios_stream_destroy(pjmedia_vid_dev_stream *strm) |
| { |
| struct ios_stream *stream = (struct ios_stream*)strm; |
| |
| PJ_ASSERT_RETURN(stream != NULL, PJ_EINVAL); |
| |
| ios_stream_stop(strm); |
| |
| if (stream->imgView) { |
| [stream->imgView removeFromSuperview]; |
| [stream->imgView release]; |
| stream->imgView = NULL; |
| } |
| |
| if (stream->cap_session) { |
| [stream->cap_session release]; |
| stream->cap_session = NULL; |
| } |
| /* if (stream->dev_input) { |
| [stream->dev_input release]; |
| stream->dev_input = NULL; |
| } |
| */ |
| if (stream->vout_delegate) { |
| [stream->vout_delegate release]; |
| stream->vout_delegate = NULL; |
| } |
| /* if (stream->video_output) { |
| [stream->video_output release]; |
| stream->video_output = NULL; |
| } |
| */ |
| if (stream->render_queue) { |
| dispatch_release(stream->render_queue); |
| stream->render_queue = NULL; |
| } |
| |
| pj_pool_release(stream->pool); |
| |
| return PJ_SUCCESS; |
| } |
| |
| #endif |
| #endif /* PJMEDIA_VIDEO_DEV_HAS_IOS */ |