| /* $Id$ */ |
| /* |
| * 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_QT |
| |
| #include <Foundation/NSAutoreleasePool.h> |
| #include <QTKit/QTKit.h> |
| |
| #define THIS_FILE "qt_dev.c" |
| #define DEFAULT_CLOCK_RATE 90000 |
| #define DEFAULT_WIDTH 640 |
| #define DEFAULT_HEIGHT 480 |
| #define DEFAULT_FPS 15 |
| |
| #define kCVPixelFormatType_422YpCbCr8_yuvs 'yuvs' |
| |
| typedef struct qt_fmt_info |
| { |
| pjmedia_format_id pjmedia_format; |
| unsigned qt_format; |
| } qt_fmt_info; |
| |
| static qt_fmt_info qt_fmts[] = |
| { |
| {PJMEDIA_FORMAT_YUY2, kCVPixelFormatType_422YpCbCr8_yuvs}, |
| {PJMEDIA_FORMAT_UYVY, kCVPixelFormatType_422YpCbCr8}, |
| }; |
| |
| /* qt device info */ |
| struct qt_dev_info |
| { |
| pjmedia_vid_dev_info info; |
| char dev_id[192]; |
| }; |
| |
| /* qt factory */ |
| struct qt_factory |
| { |
| pjmedia_vid_dev_factory base; |
| pj_pool_t *pool; |
| pj_pool_t *dev_pool; |
| pj_pool_factory *pf; |
| |
| unsigned dev_count; |
| struct qt_dev_info *dev_info; |
| }; |
| |
| struct qt_stream; |
| typedef void (*func_ptr)(struct qt_stream *strm); |
| |
| @interface QTDelegate: NSObject |
| { |
| @public |
| struct qt_stream *strm; |
| func_ptr func; |
| } |
| |
| - (void)run_func; |
| @end |
| |
| /* Video stream. */ |
| struct qt_stream |
| { |
| pjmedia_vid_dev_stream base; /**< Base stream */ |
| pjmedia_vid_dev_param param; /**< Settings */ |
| pj_pool_t *pool; /**< Memory pool. */ |
| |
| pj_timestamp cap_frame_ts; /**< Captured frame tstamp */ |
| unsigned cap_ts_inc; /**< Increment */ |
| |
| pjmedia_vid_dev_cb vid_cb; /**< Stream callback. */ |
| void *user_data; /**< Application data. */ |
| |
| pj_bool_t cap_thread_exited; |
| pj_bool_t cap_thread_initialized; |
| pj_thread_desc cap_thread_desc; |
| pj_thread_t *cap_thread; |
| |
| struct qt_factory *qf; |
| pj_status_t status; |
| pj_bool_t is_running; |
| pj_bool_t cap_exited; |
| |
| QTCaptureSession *cap_session; |
| QTCaptureDeviceInput *dev_input; |
| QTCaptureDecompressedVideoOutput *video_output; |
| QTDelegate *qt_delegate; |
| }; |
| |
| |
| /* Prototypes */ |
| static pj_status_t qt_factory_init(pjmedia_vid_dev_factory *f); |
| static pj_status_t qt_factory_destroy(pjmedia_vid_dev_factory *f); |
| static pj_status_t qt_factory_refresh(pjmedia_vid_dev_factory *f); |
| static unsigned qt_factory_get_dev_count(pjmedia_vid_dev_factory *f); |
| static pj_status_t qt_factory_get_dev_info(pjmedia_vid_dev_factory *f, |
| unsigned index, |
| pjmedia_vid_dev_info *info); |
| static pj_status_t qt_factory_default_param(pj_pool_t *pool, |
| pjmedia_vid_dev_factory *f, |
| unsigned index, |
| pjmedia_vid_dev_param *param); |
| static pj_status_t qt_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 qt_stream_get_param(pjmedia_vid_dev_stream *strm, |
| pjmedia_vid_dev_param *param); |
| static pj_status_t qt_stream_get_cap(pjmedia_vid_dev_stream *strm, |
| pjmedia_vid_dev_cap cap, |
| void *value); |
| static pj_status_t qt_stream_set_cap(pjmedia_vid_dev_stream *strm, |
| pjmedia_vid_dev_cap cap, |
| const void *value); |
| static pj_status_t qt_stream_start(pjmedia_vid_dev_stream *strm); |
| static pj_status_t qt_stream_stop(pjmedia_vid_dev_stream *strm); |
| static pj_status_t qt_stream_destroy(pjmedia_vid_dev_stream *strm); |
| |
| /* Operations */ |
| static pjmedia_vid_dev_factory_op factory_op = |
| { |
| &qt_factory_init, |
| &qt_factory_destroy, |
| &qt_factory_get_dev_count, |
| &qt_factory_get_dev_info, |
| &qt_factory_default_param, |
| &qt_factory_create_stream, |
| &qt_factory_refresh |
| }; |
| |
| static pjmedia_vid_dev_stream_op stream_op = |
| { |
| &qt_stream_get_param, |
| &qt_stream_get_cap, |
| &qt_stream_set_cap, |
| &qt_stream_start, |
| NULL, |
| NULL, |
| &qt_stream_stop, |
| &qt_stream_destroy |
| }; |
| |
| |
| /**************************************************************************** |
| * Factory operations |
| */ |
| /* |
| * Init qt_ video driver. |
| */ |
| pjmedia_vid_dev_factory* pjmedia_qt_factory(pj_pool_factory *pf) |
| { |
| struct qt_factory *f; |
| pj_pool_t *pool; |
| |
| pool = pj_pool_create(pf, "qt video", 4000, 4000, NULL); |
| f = PJ_POOL_ZALLOC_T(pool, struct qt_factory); |
| f->pf = pf; |
| f->pool = pool; |
| f->base.op = &factory_op; |
| |
| return &f->base; |
| } |
| |
| |
| /* API: init factory */ |
| static pj_status_t qt_factory_init(pjmedia_vid_dev_factory *f) |
| { |
| return qt_factory_refresh(f); |
| } |
| |
| /* API: destroy factory */ |
| static pj_status_t qt_factory_destroy(pjmedia_vid_dev_factory *f) |
| { |
| struct qt_factory *qf = (struct qt_factory*)f; |
| pj_pool_t *pool = qf->pool; |
| |
| if (qf->dev_pool) |
| pj_pool_release(qf->dev_pool); |
| qf->pool = NULL; |
| if (pool) |
| pj_pool_release(pool); |
| |
| return PJ_SUCCESS; |
| } |
| |
| /* API: refresh the list of devices */ |
| static pj_status_t qt_factory_refresh(pjmedia_vid_dev_factory *f) |
| { |
| struct qt_factory *qf = (struct qt_factory*)f; |
| struct qt_dev_info *qdi; |
| unsigned i, dev_count = 0; |
| NSAutoreleasePool *apool = [[NSAutoreleasePool alloc]init]; |
| NSArray *dev_array; |
| |
| if (qf->dev_pool) { |
| pj_pool_release(qf->dev_pool); |
| qf->dev_pool = NULL; |
| } |
| |
| dev_array = [QTCaptureDevice inputDevices]; |
| for (i = 0; i < [dev_array count]; i++) { |
| QTCaptureDevice *dev = [dev_array objectAtIndex:i]; |
| if ([dev hasMediaType:QTMediaTypeVideo] || |
| [dev hasMediaType:QTMediaTypeMuxed]) |
| { |
| dev_count++; |
| } |
| } |
| |
| /* Initialize input and output devices here */ |
| qf->dev_count = 0; |
| qf->dev_pool = pj_pool_create(qf->pf, "qt video", 500, 500, NULL); |
| |
| qf->dev_info = (struct qt_dev_info*) |
| pj_pool_calloc(qf->dev_pool, dev_count, |
| sizeof(struct qt_dev_info)); |
| for (i = 0; i < [dev_array count]; i++) { |
| QTCaptureDevice *dev = [dev_array objectAtIndex:i]; |
| if ([dev hasMediaType:QTMediaTypeVideo] || |
| [dev hasMediaType:QTMediaTypeMuxed]) |
| { |
| unsigned k; |
| |
| qdi = &qf->dev_info[qf->dev_count++]; |
| pj_bzero(qdi, sizeof(*qdi)); |
| [[dev localizedDisplayName] getCString:qdi->info.name |
| maxLength:sizeof(qdi->info.name) |
| encoding: |
| [NSString defaultCStringEncoding]]; |
| [[dev uniqueID] getCString:qdi->dev_id |
| maxLength:sizeof(qdi->dev_id) |
| encoding:[NSString defaultCStringEncoding]]; |
| strcpy(qdi->info.driver, "QT"); |
| qdi->info.dir = PJMEDIA_DIR_CAPTURE; |
| qdi->info.has_callback = PJ_TRUE; |
| |
| qdi->info.fmt_cnt = 0; |
| qdi->info.caps = PJMEDIA_VID_DEV_CAP_FORMAT; |
| for (k = 0; k < [[dev formatDescriptions] count]; k++) { |
| unsigned l; |
| QTFormatDescription *desc = [[dev formatDescriptions] |
| objectAtIndex:k]; |
| for (l = 0; l < PJ_ARRAY_SIZE(qt_fmts); l++) { |
| if ([desc formatType] == qt_fmts[l].qt_format) { |
| pjmedia_format *fmt = |
| &qdi->info.fmt[qdi->info.fmt_cnt++]; |
| pjmedia_format_init_video(fmt, |
| qt_fmts[l].pjmedia_format, |
| DEFAULT_WIDTH, |
| DEFAULT_HEIGHT, |
| DEFAULT_FPS, 1); |
| break; |
| } |
| } |
| } |
| |
| PJ_LOG(4, (THIS_FILE, " dev_id %d: %s", i, qdi->info.name)); |
| } |
| } |
| |
| [apool release]; |
| |
| PJ_LOG(4, (THIS_FILE, "qt video has %d devices", |
| qf->dev_count)); |
| |
| return PJ_SUCCESS; |
| } |
| |
| /* API: get number of devices */ |
| static unsigned qt_factory_get_dev_count(pjmedia_vid_dev_factory *f) |
| { |
| struct qt_factory *qf = (struct qt_factory*)f; |
| return qf->dev_count; |
| } |
| |
| /* API: get device info */ |
| static pj_status_t qt_factory_get_dev_info(pjmedia_vid_dev_factory *f, |
| unsigned index, |
| pjmedia_vid_dev_info *info) |
| { |
| struct qt_factory *qf = (struct qt_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 qt_factory_default_param(pj_pool_t *pool, |
| pjmedia_vid_dev_factory *f, |
| unsigned index, |
| pjmedia_vid_dev_param *param) |
| { |
| struct qt_factory *qf = (struct qt_factory*)f; |
| struct qt_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)); |
| param->dir = PJMEDIA_DIR_CAPTURE; |
| param->cap_id = index; |
| param->rend_id = PJMEDIA_VID_INVALID_DEV; |
| 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; |
| } |
| |
| static qt_fmt_info* get_qt_format_info(pjmedia_format_id id) |
| { |
| unsigned i; |
| |
| for (i = 0; i < PJ_ARRAY_SIZE(qt_fmts); i++) { |
| if (qt_fmts[i].pjmedia_format == id) |
| return &qt_fmts[i]; |
| } |
| |
| return NULL; |
| } |
| |
| @implementation QTDelegate |
| - (void)captureOutput:(QTCaptureOutput *)captureOutput |
| didOutputVideoFrame:(CVImageBufferRef)videoFrame |
| withSampleBuffer:(QTSampleBuffer *)sampleBuffer |
| fromConnection:(QTCaptureConnection *)connection |
| { |
| unsigned size = [sampleBuffer lengthForAllSamples]; |
| pjmedia_frame frame; |
| |
| if (!strm->is_running) { |
| strm->cap_exited = PJ_TRUE; |
| return; |
| } |
| |
| if (strm->cap_thread_initialized == 0 || !pj_thread_is_registered()) |
| { |
| pj_thread_register("qt_cap", strm->cap_thread_desc, |
| &strm->cap_thread); |
| strm->cap_thread_initialized = 1; |
| PJ_LOG(5,(THIS_FILE, "Capture thread started")); |
| } |
| |
| if (!videoFrame) |
| return; |
| |
| frame.type = PJMEDIA_FRAME_TYPE_VIDEO; |
| frame.buf = [sampleBuffer bytesForAllSamples]; |
| frame.size = size; |
| frame.bit_info = 0; |
| frame.timestamp.u64 = strm->cap_frame_ts.u64; |
| |
| if (strm->vid_cb.capture_cb) |
| (*strm->vid_cb.capture_cb)(&strm->base, strm->user_data, &frame); |
| |
| strm->cap_frame_ts.u64 += strm->cap_ts_inc; |
| } |
| |
| - (void)run_func |
| { |
| (*func)(strm); |
| } |
| |
| @end |
| |
| static void init_qt(struct qt_stream *strm) |
| { |
| const pjmedia_video_format_detail *vfd; |
| qt_fmt_info *qfi = get_qt_format_info(strm->param.fmt.id); |
| BOOL success = NO; |
| NSError *error; |
| |
| if (!qfi) { |
| strm->status = PJMEDIA_EVID_BADFORMAT; |
| return; |
| } |
| |
| strm->cap_session = [[QTCaptureSession alloc] init]; |
| if (!strm->cap_session) { |
| strm->status = PJ_ENOMEM; |
| return; |
| } |
| |
| /* Open video device */ |
| QTCaptureDevice *videoDevice = |
| [QTCaptureDevice deviceWithUniqueID: |
| [NSString stringWithCString: |
| strm->qf->dev_info[strm->param.cap_id].dev_id |
| encoding: |
| [NSString defaultCStringEncoding]]]; |
| if (!videoDevice || ![videoDevice open:&error]) { |
| strm->status = PJMEDIA_EVID_SYSERR; |
| return; |
| } |
| |
| /* Add the video device to the session as a device input */ |
| strm->dev_input = [[QTCaptureDeviceInput alloc] |
| initWithDevice:videoDevice]; |
| success = [strm->cap_session addInput:strm->dev_input error:&error]; |
| if (!success) { |
| strm->status = PJMEDIA_EVID_SYSERR; |
| return; |
| } |
| |
| strm->video_output = [[QTCaptureDecompressedVideoOutput alloc] init]; |
| success = [strm->cap_session addOutput:strm->video_output |
| error:&error]; |
| if (!success) { |
| strm->status = PJMEDIA_EVID_SYSERR; |
| return; |
| } |
| |
| vfd = pjmedia_format_get_video_format_detail(&strm->param.fmt, |
| PJ_TRUE); |
| [strm->video_output setPixelBufferAttributes: |
| [NSDictionary dictionaryWithObjectsAndKeys: |
| [NSNumber numberWithInt:qfi->qt_format], |
| kCVPixelBufferPixelFormatTypeKey, |
| [NSNumber numberWithInt:vfd->size.w], |
| kCVPixelBufferWidthKey, |
| [NSNumber numberWithInt:vfd->size.h], |
| kCVPixelBufferHeightKey, nil]]; |
| |
| pj_assert(vfd->fps.num); |
| strm->cap_ts_inc = PJMEDIA_SPF2(strm->param.clock_rate, &vfd->fps, 1); |
| |
| if ([strm->video_output |
| respondsToSelector:@selector(setMinimumVideoFrameInterval)]) |
| { |
| [strm->video_output setMinimumVideoFrameInterval: |
| (1.0f * vfd->fps.denum / (double)vfd->fps.num)]; |
| } |
| |
| strm->qt_delegate = [[QTDelegate alloc]init]; |
| strm->qt_delegate->strm = strm; |
| [strm->video_output setDelegate:strm->qt_delegate]; |
| } |
| |
| static void run_func_on_main_thread(struct qt_stream *strm, func_ptr func) |
| { |
| NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; |
| QTDelegate *delg = [[QTDelegate alloc] init]; |
| |
| delg->strm = strm; |
| delg->func = func; |
| [delg performSelectorOnMainThread:@selector(run_func) |
| withObject:nil waitUntilDone:YES]; |
| |
| CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0, false); |
| |
| [delg release]; |
| [pool release]; |
| } |
| |
| /* API: create stream */ |
| static pj_status_t qt_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 qt_factory *qf = (struct qt_factory*)f; |
| pj_pool_t *pool; |
| struct qt_stream *strm; |
| const pjmedia_video_format_info *vfi; |
| pj_status_t status = PJ_SUCCESS; |
| |
| 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, |
| PJ_EINVAL); |
| |
| 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, "qt-dev", 4000, 4000, NULL); |
| PJ_ASSERT_RETURN(pool != NULL, PJ_ENOMEM); |
| |
| strm = PJ_POOL_ZALLOC_T(pool, struct qt_stream); |
| pj_memcpy(&strm->param, param, sizeof(*param)); |
| strm->pool = pool; |
| pj_memcpy(&strm->vid_cb, cb, sizeof(*cb)); |
| strm->user_data = user_data; |
| strm->qf = qf; |
| |
| /* Create capture stream here */ |
| if (param->dir & PJMEDIA_DIR_CAPTURE) { |
| strm->status = PJ_SUCCESS; |
| run_func_on_main_thread(strm, init_qt); |
| if ((status = strm->status) != PJ_SUCCESS) |
| goto on_error; |
| } |
| |
| /* Apply the remaining settings */ |
| /* |
| if (param->flags & PJMEDIA_VID_DEV_CAP_INPUT_SCALE) { |
| qt_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: |
| qt_stream_destroy((pjmedia_vid_dev_stream *)strm); |
| |
| return status; |
| } |
| |
| /* API: Get stream info. */ |
| static pj_status_t qt_stream_get_param(pjmedia_vid_dev_stream *s, |
| pjmedia_vid_dev_param *pi) |
| { |
| struct qt_stream *strm = (struct qt_stream*)s; |
| |
| PJ_ASSERT_RETURN(strm && pi, PJ_EINVAL); |
| |
| pj_memcpy(pi, &strm->param, sizeof(*pi)); |
| |
| /* if (qt_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 qt_stream_get_cap(pjmedia_vid_dev_stream *s, |
| pjmedia_vid_dev_cap cap, |
| void *pval) |
| { |
| struct qt_stream *strm = (struct qt_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 qt_stream_set_cap(pjmedia_vid_dev_stream *s, |
| pjmedia_vid_dev_cap cap, |
| const void *pval) |
| { |
| struct qt_stream *strm = (struct qt_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; |
| } |
| |
| static void start_qt(struct qt_stream *strm) |
| { |
| [strm->cap_session startRunning]; |
| } |
| |
| static void stop_qt(struct qt_stream *strm) |
| { |
| [strm->cap_session stopRunning]; |
| } |
| |
| /* API: Start stream. */ |
| static pj_status_t qt_stream_start(pjmedia_vid_dev_stream *strm) |
| { |
| struct qt_stream *stream = (struct qt_stream*)strm; |
| |
| PJ_UNUSED_ARG(stream); |
| |
| PJ_LOG(4, (THIS_FILE, "Starting qt video stream")); |
| |
| if (stream->cap_session) { |
| run_func_on_main_thread(stream, start_qt); |
| |
| if (![stream->cap_session isRunning]) |
| return PJMEDIA_EVID_NOTREADY; |
| |
| stream->is_running = PJ_TRUE; |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| /* API: Stop stream. */ |
| static pj_status_t qt_stream_stop(pjmedia_vid_dev_stream *strm) |
| { |
| struct qt_stream *stream = (struct qt_stream*)strm; |
| |
| PJ_UNUSED_ARG(stream); |
| |
| PJ_LOG(4, (THIS_FILE, "Stopping qt video stream")); |
| |
| if (stream->cap_session && [stream->cap_session isRunning]) { |
| int i; |
| |
| stream->cap_exited = PJ_FALSE; |
| run_func_on_main_thread(stream, stop_qt); |
| |
| stream->is_running = PJ_FALSE; |
| for (i = 50; i >= 0 && !stream->cap_exited; i--) { |
| pj_thread_sleep(10); |
| } |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| static void destroy_qt(struct qt_stream *strm) |
| { |
| if (strm->dev_input && [[strm->dev_input device] isOpen]) |
| [[strm->dev_input device] close]; |
| |
| if (strm->cap_session) { |
| [strm->cap_session release]; |
| strm->cap_session = NULL; |
| } |
| if (strm->dev_input) { |
| [strm->dev_input release]; |
| strm->dev_input = NULL; |
| } |
| if (strm->qt_delegate) { |
| [strm->qt_delegate release]; |
| strm->qt_delegate = NULL; |
| } |
| if (strm->video_output) { |
| [strm->video_output release]; |
| strm->video_output = NULL; |
| } |
| } |
| |
| /* API: Destroy stream. */ |
| static pj_status_t qt_stream_destroy(pjmedia_vid_dev_stream *strm) |
| { |
| struct qt_stream *stream = (struct qt_stream*)strm; |
| |
| PJ_ASSERT_RETURN(stream != NULL, PJ_EINVAL); |
| |
| qt_stream_stop(strm); |
| |
| run_func_on_main_thread(stream, destroy_qt); |
| |
| pj_pool_release(stream->pool); |
| |
| return PJ_SUCCESS; |
| } |
| |
| #endif /* PJMEDIA_VIDEO_DEV_HAS_QT */ |