if test "x${enable_macosx}" = "xyes"
then
# VLC_ADD_LDFLAGS([access_eyetv], [-Wl,-framework,Foundation])
- VLC_ADD_LDFLAGS([macosx minimal_macosx opengllayer],[-Wl,-framework,Cocoa])
+ VLC_ADD_LDFLAGS([macosx minimal_macosx opengllayer qtcapture],[-Wl,-framework,Cocoa])
VLC_ADD_LDFLAGS([macosx minimal_macosx opengllayer],[-Wl,-framework,OpenGL])
VLC_ADD_LDFLAGS([macosx minimal_macosx], [-Wl,-framework,Carbon])
VLC_ADD_LDFLAGS([macosx minimal_macosx], [-Wl,-framework,AGL])
VLC_ADD_LDFLAGS([macosx], [-Wl,-framework,IOKit])
VLC_ADD_LDFLAGS([macosx], [-Wl,-framework,QuickTime])
- VLC_ADD_LDFLAGS([macosx], [-Wl,-framework,QTKit])
+ VLC_ADD_LDFLAGS([macosx qtcapture], [-Wl,-framework,QTKit])
VLC_ADD_LDFLAGS([macosx], [-Wl,-framework,WebKit])
- VLC_ADD_LDFLAGS([opengllayer], [-Wl,-framework,QuartzCore])
+ VLC_ADD_LDFLAGS([opengllayer qtcapture], [-Wl,-framework,QuartzCore])
+ VLC_ADD_LDFLAGS([qtcapture], [-Wl,-framework,CoreVideo])
VLC_ADD_OBJCFLAGS([macosx minimal_macosx opengllayer growl], [-fobjc-exceptions] )
# VLC_ADD_PLUGIN([access_eyetv])
+ VLC_ADD_PLUGIN([qtcapture])
VLC_ADD_PLUGIN([macosx])
VLC_ADD_PLUGIN([minimal_macosx])
--- /dev/null
+/*****************************************************************************
+* qtcapture.m: qtkit (Mac OS X) based capture module
+*****************************************************************************
+* Copyright (C) 2008 the VideoLAN team
+*
+* Authors: Pierre d'Herbemont <pdherbemont@videolan.org>
+*
+*****************************************************************************
+* This library 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;
+* version 2 of the License.
+*
+* This library 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 this library; if not, write to the Free Software
+* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*
+*****************************************************************************/
+
+/*****************************************************************************
+* Preamble
+*****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc/vlc.h>
+#include <vlc_plugin.h>
+#include <vlc_input.h>
+#include <vlc_vout.h>
+#include <vlc_demux.h>
+
+#import <QTKit/QTKit.h>
+
+/*****************************************************************************
+* Local prototypes
+*****************************************************************************/
+static int Open( vlc_object_t *p_this );
+static void Close( vlc_object_t *p_this );
+static int Demux( demux_t *p_demux );
+static int Control( demux_t *, int, va_list );
+
+/*****************************************************************************
+* Module descriptor
+*****************************************************************************/
+vlc_module_begin();
+ set_shortname( N_("Quicktime Capture") );
+ set_description( N_("Quicktime Capture") );
+ set_category( CAT_INPUT );
+ set_subcategory( SUBCAT_INPUT_ACCESS );
+ add_shortcut( "qtcapture" );
+ set_capability( "access_demux", 10 );
+ set_callbacks( Open, Close );
+vlc_module_end();
+
+
+/*****************************************************************************
+* QTKit Bridge
+*****************************************************************************/
+@interface VLCDecompressedVideoOutput : QTCaptureDecompressedVideoOutput
+{
+ CVImageBufferRef currentImageBuffer;
+}
+- (id)init;
+- (void)outputVideoFrame:(CVImageBufferRef)videoFrame withSampleBuffer:(QTSampleBuffer *)sampleBuffer fromConnection:(QTCaptureConnection *)connection;
+- (BOOL)copyCurrentFrameToBuffer:(void *)buffer;
+@end
+
+/* Apple sample code */
+@implementation VLCDecompressedVideoOutput : QTCaptureDecompressedVideoOutput
+- (id)init
+{
+ if( self = [super init] )
+ {
+ currentImageBuffer = nil;
+ }
+ return self;
+}
+- (void)dealloc
+{
+ @synchronized (self) {
+ CVBufferRelease(currentImageBuffer);
+ currentImageBuffer = nil;
+ }
+ [super dealloc];
+}
+
+- (void)outputVideoFrame:(CVImageBufferRef)videoFrame withSampleBuffer:(QTSampleBuffer *)sampleBuffer fromConnection:(QTCaptureConnection *)connection
+{
+ // Store the latest frame
+ // This must be done in a @synchronized block because this delegate method is not called on the main thread
+ CVImageBufferRef imageBufferToRelease;
+
+ CVBufferRetain(videoFrame);
+
+ @synchronized (self) {
+ imageBufferToRelease = currentImageBuffer;
+ currentImageBuffer = videoFrame;
+ }
+ CVBufferRelease(imageBufferToRelease);
+}
+
+- (BOOL)copyCurrentFrameToBuffer:(void *)buffer
+{
+ CVImageBufferRef imageBuffer;
+
+ @synchronized (self) {
+ if(!currentImageBuffer) return NO;
+ imageBuffer = CVBufferRetain(currentImageBuffer);
+ }
+
+ CVPixelBufferLockBaseAddress(imageBuffer, 0);
+ void * pixels = CVPixelBufferGetBaseAddress(imageBuffer);
+ memcpy( buffer, pixels, CVPixelBufferGetBytesPerRow(imageBuffer) * CVPixelBufferGetHeight(imageBuffer) );
+ CVPixelBufferUnlockBaseAddress(imageBuffer, 0);
+
+ CVBufferRelease(imageBuffer);
+
+ return YES;
+}
+
+@end
+
+struct demux_sys_t {
+ QTCaptureSession * session;
+ VLCDecompressedVideoOutput * output;
+ int height, width;
+ es_out_id_t * p_es_video;
+};
+
+
+int qtchroma_to_fourcc( int i_qt )
+{
+ static struct
+ {
+ unsigned int i_qt;
+ int i_fourcc;
+ } qtchroma_to_fourcc[] =
+ {
+ /* Raw data types */
+ { k422YpCbCr8CodecType, VLC_FOURCC('U','Y','V','Y') },
+ { 0, 0 }
+ };
+ int i;
+ for( i = 0; qtchroma_to_fourcc[i].i_qt; i++ )
+ {
+ if( qtchroma_to_fourcc[i].i_qt == i_qt )
+ return qtchroma_to_fourcc[i].i_fourcc;
+ }
+ return 0;
+}
+
+/*****************************************************************************
+* Open:
+*****************************************************************************/
+static int Open( vlc_object_t *p_this )
+{
+ demux_t *p_demux = (demux_t*)p_this;
+ demux_sys_t *p_sys = NULL;
+ es_format_t fmt;
+ int i;
+ int i_width;
+ int i_height;
+ int i_aspect;
+ int result = 0;
+
+ /* Set up p_demux */
+ p_demux->pf_demux = Demux;
+ p_demux->pf_control = Control;
+ p_demux->info.i_update = 0;
+ p_demux->info.i_title = 0;
+ p_demux->info.i_seekpoint = 0;
+
+ NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
+
+ msg_Dbg( p_demux, "QTCapture Probed" );
+
+ p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
+ if( !p_sys ) return VLC_ENOMEM;
+
+ memset( p_sys, 0, sizeof( demux_sys_t ) );
+ memset( &fmt, 0, sizeof( es_format_t ) );
+
+ QTCaptureDeviceInput * input = nil;
+ QTCaptureSession * session = nil;
+ VLCDecompressedVideoOutput * output = nil;
+
+ QTCaptureDevice * device = [QTCaptureDevice defaultInputDeviceWithMediaType: QTMediaTypeVideo];
+ if( !device )
+ {
+ msg_Err( p_demux, "Can't open any Video device" );
+ goto error;
+ }
+
+ if( ![device open: nil /* FIXME */] )
+ {
+ msg_Err( p_demux, "Can't open any Video device" );
+ goto error;
+ }
+
+ input = [[QTCaptureDeviceInput alloc] initWithDevice: device];
+ if( !device )
+ {
+ msg_Err( p_demux, "Can't create a capture session" );
+ goto error;
+ }
+
+ output = [[VLCDecompressedVideoOutput alloc] init];
+
+ session = [[QTCaptureSession alloc] init];
+
+ bool ret = [session addInput:input error:nil /* FIXME */];
+ if( !ret )
+ {
+ msg_Err( p_demux, "Can't add the video device as input" );
+ goto error;
+ }
+
+ ret = [session addOutput:output error:nil /* FIXME */];
+ if( !ret )
+ {
+ msg_Err( p_demux, "Can't get any output output" );
+ goto error;
+ }
+
+ [session startRunning];
+
+ int qtchroma = [[[device formatDescriptions] objectAtIndex: 0] formatType]; /* FIXME */
+ int chroma = qtchroma_to_fourcc( qtchroma );
+ if( !chroma )
+ {
+ msg_Err( p_demux, "Unknown qt chroma %4.4s provided by camera", (char*)&qtchroma );
+ goto error;
+ }
+
+ es_format_Init( &fmt, VIDEO_ES, chroma );
+
+ NSSize size = [[device attributeForKey:QTFormatDescriptionVideoEncodedPixelsSizeAttribute] sizeValue];
+ p_sys->width = fmt.video.i_width = 640;/* size.width; FIXME */
+ p_sys->height = fmt.video.i_height = 480;/* size.height; FIXME */
+
+ msg_Err( p_demux, "added new video es %4.4s %dx%d",
+ (char*)&fmt.i_codec, fmt.video.i_width, fmt.video.i_height );
+
+ p_sys->p_es_video = es_out_Add( p_demux->out, &fmt );
+
+ p_sys->output = [output retain];
+ p_sys->session = [session retain];
+
+ [input release];
+ [output release];
+ [session release];
+ [pool release];
+
+ msg_Dbg( p_demux, "QTCapture: We have a video device ready!" );
+
+ return VLC_SUCCESS;
+error:
+ [input release];
+ [session release];
+ [input release];
+ [output release];
+ [pool release];
+
+ free( p_sys );
+
+ return VLC_EGENERIC;
+}
+
+/*****************************************************************************
+* Close:
+*****************************************************************************/
+static void Close( vlc_object_t *p_this )
+{
+ NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
+
+ demux_t *p_demux = (demux_t*)p_this;
+ demux_sys_t *p_sys = p_demux->p_sys;
+ [p_sys->output release];
+ [p_sys->session release];
+ free( p_sys );
+
+ [pool release];
+}
+
+
+/*****************************************************************************
+* Demux:
+*****************************************************************************/
+static int Demux( demux_t *p_demux )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ block_t *p_block;
+
+ p_block = block_New( p_demux, p_sys->width *
+ p_sys->height * 2 /* FIXME */ );
+ if( !p_block )
+ {
+ msg_Err( p_demux, "cannot get block" );
+ return 0;
+ }
+
+ NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
+
+ if( ![p_sys->output copyCurrentFrameToBuffer: p_block->p_buffer] )
+ {
+ /* Nothing to display yet, just forget */
+ block_Release( p_block );
+ [pool release];
+ return 1;
+ }
+
+ p_block->i_pts = mdate(); /* FIXME */
+
+ es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_block->i_pts );
+ es_out_Send( p_demux->out, p_sys->p_es_video, p_block );
+
+ [pool release];
+ return 1;
+}
+
+/*****************************************************************************
+* Control:
+*****************************************************************************/
+static int Control( demux_t *p_demux, int i_query, va_list args )
+{
+ bool *pb;
+ int64_t *pi64;
+
+ switch( i_query )
+ {
+ /* Special for access_demux */
+ case DEMUX_CAN_PAUSE:
+ case DEMUX_CAN_SEEK:
+ case DEMUX_SET_PAUSE_STATE:
+ case DEMUX_CAN_CONTROL_PACE:
+ pb = (bool*)va_arg( args, bool * );
+ *pb = false;
+ return VLC_SUCCESS;
+
+ case DEMUX_GET_PTS_DELAY:
+ pi64 = (int64_t*)va_arg( args, int64_t * );
+ *pi64 = (int64_t)DEFAULT_PTS_DELAY;
+ return VLC_SUCCESS;
+
+ case DEMUX_GET_TIME:
+ pi64 = (int64_t*)va_arg( args, int64_t * );
+ *pi64 = mdate();
+ return VLC_SUCCESS;
+
+ /* TODO implement others */
+ default:
+ return VLC_EGENERIC;
+ }
+ return VLC_EGENERIC;
+}
projects / vlc / commitdiff