/***************************************************************************** * dshow.cpp : DirectShow access module for vlc ***************************************************************************** * Copyright (C) 2002, 2003 VideoLAN * $Id$ * * Author: Gildas Bazin * * 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, USA. *****************************************************************************/ /***************************************************************************** * Preamble *****************************************************************************/ #include #include #include #include #include #include #include "common.h" #include "filter.h" /***************************************************************************** * Access: local prototypes *****************************************************************************/ static int ReadCompressed( access_t *, byte_t *, int ); static int AccessControl ( access_t *, int, va_list ); static int Demux ( demux_t * ); static int DemuxControl( demux_t *, int, va_list ); static int OpenDevice( vlc_object_t *, access_sys_t *, string, vlc_bool_t ); static IBaseFilter *FindCaptureDevice( vlc_object_t *, string *, list *, vlc_bool_t ); static size_t EnumDeviceCaps( vlc_object_t *, IBaseFilter *, int, int, int, int, int, int, AM_MEDIA_TYPE *mt, size_t ); static bool ConnectFilters( vlc_object_t *, access_sys_t *, IBaseFilter *, CaptureFilter * ); static int FindDevicesCallback( vlc_object_t *, char const *, vlc_value_t, vlc_value_t, void * ); static int ConfigDevicesCallback( vlc_object_t *, char const *, vlc_value_t, vlc_value_t, void * ); static void ShowPropertyPage( IUnknown * ); static void ShowDeviceProperties( vlc_object_t *, ICaptureGraphBuilder2 *, IBaseFilter *, vlc_bool_t ); static void ShowTunerProperties( vlc_object_t *, ICaptureGraphBuilder2 *, IBaseFilter *, vlc_bool_t ); /***************************************************************************** * Module descriptor *****************************************************************************/ static char *ppsz_vdev[] = { "", "none" }; static char *ppsz_vdev_text[] = { N_("Default"), N_("None") }; static char *ppsz_adev[] = { "", "none" }; static char *ppsz_adev_text[] = { N_("Default"), N_("None") }; #define CACHING_TEXT N_("Caching value in ms") #define CACHING_LONGTEXT N_( \ "Allows you to modify the default caching value for DirectShow streams. " \ "This value should be set in milliseconds units." ) #define VDEV_TEXT N_("Video device name") #define VDEV_LONGTEXT N_( \ "You can specify the name of the video device that will be used by the " \ "DirectShow plugin. If you don't specify anything, the default device " \ "will be used.") #define ADEV_TEXT N_("Audio device name") #define ADEV_LONGTEXT N_( \ "You can specify the name of the audio device that will be used by the " \ "DirectShow plugin. If you don't specify anything, the default device " \ "will be used.") #define SIZE_TEXT N_("Video size") #define SIZE_LONGTEXT N_( \ "You can specify the size of the video that will be displayed by the " \ "DirectShow plugin. If you don't specify anything the default size for " \ "your device will be used.") #define CHROMA_TEXT N_("Video input chroma format") #define CHROMA_LONGTEXT N_( \ "Force the DirectShow video input to use a specific chroma format " \ "(eg. I420 (default), RV24, etc.)") #define CONFIG_TEXT N_("Device properties") #define CONFIG_LONGTEXT N_( \ "Show the properties dialog of the selected device before starting the " \ "stream.") #define TUNER_TEXT N_("Tuner properties") #define TUNER_LONGTEXT N_( \ "Show the tuner properties [channel selection] page." ) static int CommonOpen ( vlc_object_t *, access_sys_t *, vlc_bool_t ); static void CommonClose( vlc_object_t *, access_sys_t * ); static int AccessOpen ( vlc_object_t * ); static void AccessClose( vlc_object_t * ); static int DemuxOpen ( vlc_object_t * ); static void DemuxClose ( vlc_object_t * ); vlc_module_begin(); set_shortname( _("DirectShow") ); set_description( _("DirectShow input") ); add_integer( "dshow-caching", (mtime_t)(0.2*CLOCK_FREQ) / 1000, NULL, CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE ); add_string( "dshow-vdev", NULL, NULL, VDEV_TEXT, VDEV_LONGTEXT, VLC_FALSE); change_string_list( ppsz_vdev, ppsz_vdev_text, FindDevicesCallback ); change_action_add( FindDevicesCallback, N_("Refresh list") ); change_action_add( ConfigDevicesCallback, N_("Configure") ); add_string( "dshow-adev", NULL, NULL, ADEV_TEXT, ADEV_LONGTEXT, VLC_FALSE); change_string_list( ppsz_adev, ppsz_adev_text, FindDevicesCallback ); change_action_add( FindDevicesCallback, N_("Refresh list") ); change_action_add( ConfigDevicesCallback, N_("Configure") ); add_string( "dshow-size", NULL, NULL, SIZE_TEXT, SIZE_LONGTEXT, VLC_FALSE); add_string( "dshow-chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT, VLC_TRUE ); add_bool( "dshow-config", VLC_FALSE, NULL, CONFIG_TEXT, CONFIG_LONGTEXT, VLC_FALSE ); add_bool( "dshow-tuner", VLC_FALSE, NULL, TUNER_TEXT, TUNER_LONGTEXT, VLC_FALSE ); add_shortcut( "dshow" ); set_capability( "access_demux", 0 ); set_callbacks( DemuxOpen, DemuxClose ); add_submodule(); set_description( _("DirectShow input") ); add_shortcut( "dshow" ); set_capability( "access2", 0 ); set_callbacks( AccessOpen, AccessClose ); vlc_module_end(); /***************************************************************************** * DirectShow elementary stream descriptor *****************************************************************************/ typedef struct dshow_stream_t { string devicename; IBaseFilter *p_device_filter; CaptureFilter *p_capture_filter; AM_MEDIA_TYPE mt; union { VIDEOINFOHEADER video; WAVEFORMATEX audio; } header; int i_fourcc; es_out_id_t *p_es; vlc_bool_t b_pts; } dshow_stream_t; /***************************************************************************** * DirectShow utility functions *****************************************************************************/ static void CreateDirectShowGraph( access_sys_t *p_sys ) { p_sys->i_crossbar_route_depth = 0; /* Create directshow filter graph */ if( SUCCEEDED( CoCreateInstance( CLSID_FilterGraph, 0, CLSCTX_INPROC, (REFIID)IID_IFilterGraph, (void **)&p_sys->p_graph) ) ) { /* Create directshow capture graph builder if available */ if( SUCCEEDED( CoCreateInstance( CLSID_CaptureGraphBuilder2, 0, CLSCTX_INPROC, (REFIID)IID_ICaptureGraphBuilder2, (void **)&p_sys->p_capture_graph_builder2 ) ) ) { p_sys->p_capture_graph_builder2-> SetFiltergraph((IGraphBuilder *)p_sys->p_graph); } p_sys->p_graph->QueryInterface( IID_IMediaControl, (void **)&p_sys->p_control ); } } static void DeleteDirectShowGraph( access_sys_t *p_sys ) { DeleteCrossbarRoutes( p_sys ); /* Remove filters from graph */ for( int i = 0; i < p_sys->i_streams; i++ ) { p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_capture_filter ); p_sys->p_graph->RemoveFilter( p_sys->pp_streams[i]->p_device_filter ); p_sys->pp_streams[i]->p_capture_filter->Release(); p_sys->pp_streams[i]->p_device_filter->Release(); } /* Release directshow objects */ if( p_sys->p_control ) { p_sys->p_control->Release(); p_sys->p_control = NULL; } if( p_sys->p_capture_graph_builder2 ) { p_sys->p_capture_graph_builder2->Release(); p_sys->p_capture_graph_builder2 = NULL; } if( p_sys->p_graph ) { p_sys->p_graph->Release(); p_sys->p_graph = NULL; } } /***************************************************************************** * CommonOpen: open direct show device *****************************************************************************/ static int CommonOpen( vlc_object_t *p_this, access_sys_t *p_sys, vlc_bool_t b_access_demux ) { vlc_value_t val; int i; /* Get/parse options and open device(s) */ string vdevname, adevname; int i_width = 0, i_height = 0, i_chroma = 0; vlc_bool_t b_audio = VLC_TRUE; var_Create( p_this, "dshow-config", VLC_VAR_BOOL | VLC_VAR_DOINHERIT ); var_Create( p_this, "dshow-tuner", VLC_VAR_BOOL | VLC_VAR_DOINHERIT ); var_Create( p_this, "dshow-vdev", VLC_VAR_STRING | VLC_VAR_DOINHERIT ); var_Get( p_this, "dshow-vdev", &val ); if( val.psz_string ) vdevname = string( val.psz_string ); if( val.psz_string ) free( val.psz_string ); var_Create( p_this, "dshow-adev", VLC_VAR_STRING | VLC_VAR_DOINHERIT ); var_Get( p_this, "dshow-adev", &val ); if( val.psz_string ) adevname = string( val.psz_string ); if( val.psz_string ) free( val.psz_string ); static struct {char *psz_size; int i_width; int i_height;} size_table[] = { { "subqcif", 128, 96 }, { "qsif", 160, 120 }, { "qcif", 176, 144 }, { "sif", 320, 240 }, { "cif", 352, 288 }, { "cif", 640, 480 }, { 0, 0, 0 }, }; var_Create( p_this, "dshow-size", VLC_VAR_STRING | VLC_VAR_DOINHERIT ); var_Get( p_this, "dshow-size", &val ); if( val.psz_string && *val.psz_string ) { for( i = 0; size_table[i].psz_size; i++ ) { if( !strcmp( val.psz_string, size_table[i].psz_size ) ) { i_width = size_table[i].i_width; i_height = size_table[i].i_height; break; } } if( !size_table[i].psz_size ) /* Try to parse "WidthxHeight" */ { char *psz_parser; i_width = strtol( val.psz_string, &psz_parser, 0 ); if( *psz_parser == 'x' || *psz_parser == 'X') { i_height = strtol( psz_parser + 1, &psz_parser, 0 ); } msg_Dbg( p_this, "Width x Height %dx%d", i_width, i_height ); } } if( val.psz_string ) free( val.psz_string ); var_Create( p_this, "dshow-chroma", VLC_VAR_STRING | VLC_VAR_DOINHERIT ); var_Get( p_this, "dshow-chroma", &val ); if( val.psz_string && strlen( val.psz_string ) >= 4 ) { i_chroma = VLC_FOURCC( val.psz_string[0], val.psz_string[1], val.psz_string[2], val.psz_string[3] ); } if( val.psz_string ) free( val.psz_string ); var_Create( p_this, "dshow-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT ); /* Initialize OLE/COM */ CoInitialize( 0 ); /* Initialize some data */ p_sys->i_streams = 0; p_sys->pp_streams = 0; p_sys->i_width = i_width; p_sys->i_height = i_height; p_sys->i_chroma = i_chroma; p_sys->p_graph = NULL; p_sys->p_capture_graph_builder2 = NULL; p_sys->p_control = NULL; vlc_mutex_init( p_this, &p_sys->lock ); vlc_cond_init( p_this, &p_sys->wait ); /* Build directshow graph */ CreateDirectShowGraph( p_sys ); if( OpenDevice( p_this, p_sys, vdevname, 0 ) != VLC_SUCCESS ) { msg_Err( p_this, "can't open video"); } else { /* Check if we can handle the demuxing ourselves or need to spawn * a demuxer module */ dshow_stream_t *p_stream = p_sys->pp_streams[p_sys->i_streams-1]; if( p_stream->mt.majortype == MEDIATYPE_Video ) { if( /* Raw DV stream */ p_stream->i_fourcc == VLC_FOURCC('d','v','s','l') || p_stream->i_fourcc == VLC_FOURCC('d','v','s','d') || p_stream->i_fourcc == VLC_FOURCC('d','v','h','d') || /* Raw MPEG video stream */ p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') ) { b_audio = VLC_FALSE; if( b_access_demux ) { /* Let the access (only) take care of that */ return VLC_EGENERIC; } } } if( p_stream->mt.majortype == MEDIATYPE_Stream ) { b_audio = VLC_FALSE; if( b_access_demux ) { /* Let the access (only) take care of that */ return VLC_EGENERIC; } } } if( b_audio && OpenDevice( p_this, p_sys, adevname, 1 ) != VLC_SUCCESS ) { msg_Err( p_this, "can't open audio"); } for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i ) { IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar; LONG VideoInputIndex = p_sys->crossbar_routes[i].VideoInputIndex; LONG VideoOutputIndex = p_sys->crossbar_routes[i].VideoOutputIndex; LONG AudioInputIndex = p_sys->crossbar_routes[i].AudioInputIndex; LONG AudioOutputIndex = p_sys->crossbar_routes[i].AudioOutputIndex; if( SUCCEEDED(pXbar->Route(VideoOutputIndex, VideoInputIndex)) ) { msg_Dbg( p_this, "Crossbar at depth %d, Routed video " "ouput %ld to video input %ld", i, VideoOutputIndex, VideoInputIndex ); if( AudioOutputIndex != -1 && AudioInputIndex != -1 ) { if( SUCCEEDED( pXbar->Route(AudioOutputIndex, AudioInputIndex)) ) { msg_Dbg(p_this, "Crossbar at depth %d, Routed audio " "ouput %ld to audio input %ld", i, AudioOutputIndex, AudioInputIndex ); } } } } /* ** Show properties pages from other filters in graph */ var_Get( p_this, "dshow-config", &val ); if( val.b_bool ) { for( i = p_sys->i_crossbar_route_depth-1; i >= 0 ; --i ) { IAMCrossbar *pXbar = p_sys->crossbar_routes[i].pXbar; IBaseFilter *p_XF; if( SUCCEEDED( pXbar->QueryInterface( IID_IBaseFilter, (void **)&p_XF ) ) ) { ShowPropertyPage( p_XF ); p_XF->Release(); } } } /* Initialize some data */ p_sys->i_current_stream = 0; if( !p_sys->i_streams ) return VLC_EGENERIC; return VLC_SUCCESS; } /***************************************************************************** * DemuxOpen: open direct show device as an access_demux module *****************************************************************************/ static int DemuxOpen( vlc_object_t *p_this ) { demux_t *p_demux = (demux_t *)p_this; access_sys_t *p_sys; int i; p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) ); memset( p_sys, 0, sizeof( access_sys_t ) ); p_demux->p_sys = (demux_sys_t *)p_sys; if( CommonOpen( p_this, p_sys, VLC_TRUE ) != VLC_SUCCESS ) { CommonClose( p_this, p_sys ); return VLC_EGENERIC; } /* Everything is ready. Let's rock baby */ msg_Dbg( p_this, "Playing..."); p_sys->p_control->Run(); p_demux->pf_demux = Demux; p_demux->pf_control = DemuxControl; p_demux->info.i_update = 0; p_demux->info.i_title = 0; p_demux->info.i_seekpoint = 0; for( i = 0; i < p_sys->i_streams; i++ ) { dshow_stream_t *p_stream = p_sys->pp_streams[i]; es_format_t fmt; if( p_stream->mt.majortype == MEDIATYPE_Video ) { es_format_Init( &fmt, VIDEO_ES, p_stream->i_fourcc ); fmt.video.i_width = p_stream->header.video.bmiHeader.biWidth; fmt.video.i_height = p_stream->header.video.bmiHeader.biHeight; fmt.video.i_aspect = 4 * VOUT_ASPECT_FACTOR / 3; if( !p_stream->header.video.bmiHeader.biCompression ) { /* RGB DIB are coded from bottom to top */ fmt.video.i_height = (unsigned int)(-(int)fmt.video.i_height); } /* Setup rgb mask for RGB formats */ if( p_stream->i_fourcc == VLC_FOURCC('R','V','2','4') ) { /* This is in BGR format */ fmt.video.i_bmask = 0x00ff0000; fmt.video.i_gmask = 0x0000ff00; fmt.video.i_rmask = 0x000000ff; } } else if( p_stream->mt.majortype == MEDIATYPE_Audio ) { es_format_Init( &fmt, AUDIO_ES, p_stream->i_fourcc ); fmt.audio.i_channels = p_stream->header.audio.nChannels; fmt.audio.i_rate = p_stream->header.audio.nSamplesPerSec; fmt.audio.i_bitspersample = p_stream->header.audio.wBitsPerSample; fmt.audio.i_blockalign = fmt.audio.i_channels * fmt.audio.i_bitspersample / 8; fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate * fmt.audio.i_bitspersample; } p_stream->p_es = es_out_Add( p_demux->out, &fmt ); } return VLC_SUCCESS; } /***************************************************************************** * AccessOpen: open direct show device as an access module *****************************************************************************/ static int AccessOpen( vlc_object_t *p_this ) { access_t *p_access = (access_t*)p_this; access_sys_t *p_sys; p_access->p_sys = p_sys = (access_sys_t *)malloc( sizeof( access_sys_t ) ); memset( p_sys, 0, sizeof( access_sys_t ) ); if( CommonOpen( p_this, p_sys, VLC_FALSE ) != VLC_SUCCESS ) { CommonClose( p_this, p_sys ); return VLC_EGENERIC; } dshow_stream_t *p_stream = p_sys->pp_streams[0]; /* Check if we need to force demuxers */ if( !p_access->psz_demux || !*p_access->psz_demux ) { if( p_stream->i_fourcc == VLC_FOURCC('d','v','s','l') || p_stream->i_fourcc == VLC_FOURCC('d','v','s','d') || p_stream->i_fourcc == VLC_FOURCC('d','v','h','d') ) { p_access->psz_demux = strdup( "rawdv" ); } else if( p_stream->i_fourcc == VLC_FOURCC('m','p','2','v') ) { p_access->psz_demux = "mpgv"; } } /* Setup Access */ p_access->pf_read = ReadCompressed; p_access->pf_block = NULL; p_access->pf_control = AccessControl; p_access->pf_seek = NULL; p_access->info.i_update = 0; p_access->info.i_size = 0; p_access->info.i_pos = 0; p_access->info.b_eof = VLC_FALSE; p_access->info.i_title = 0; p_access->info.i_seekpoint = 0; p_access->p_sys = p_sys; /* Everything is ready. Let's rock baby */ msg_Dbg( p_this, "Playing..."); p_sys->p_control->Run(); return VLC_SUCCESS; } /***************************************************************************** * CommonClose: close device *****************************************************************************/ static void CommonClose( vlc_object_t *p_this, access_sys_t *p_sys ) { msg_Dbg( p_this, "Releasing DirectShow"); DeleteDirectShowGraph( p_sys ); /* Uninitialize OLE/COM */ CoUninitialize(); /* Remove filters from graph */ for( int i = 0; i < p_sys->i_streams; i++ ) delete p_sys->pp_streams[i]; if( p_sys->i_streams ) free( p_sys->pp_streams ); vlc_mutex_destroy( &p_sys->lock ); vlc_cond_destroy( &p_sys->wait ); free( p_sys ); } /***************************************************************************** * AccessClose: close device *****************************************************************************/ static void AccessClose( vlc_object_t *p_this ) { access_t *p_access = (access_t *)p_this; access_sys_t *p_sys = p_access->p_sys; /* Stop capturing stuff */ p_sys->p_control->Stop(); CommonClose( p_this, p_sys ); } /***************************************************************************** * DemuxClose: close device *****************************************************************************/ static void DemuxClose( vlc_object_t *p_this ) { demux_t *p_demux = (demux_t *)p_this; access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys; /* Stop capturing stuff */ p_sys->p_control->Stop(); CommonClose( p_this, p_sys ); } /**************************************************************************** * ConnectFilters ****************************************************************************/ static bool ConnectFilters( vlc_object_t *p_this, access_sys_t *p_sys, IBaseFilter *p_filter, CaptureFilter *p_capture_filter ) { CapturePin *p_input_pin = p_capture_filter->CustomGetPin(); AM_MEDIA_TYPE mediaType = p_input_pin->CustomGetMediaType(); if( p_sys->p_capture_graph_builder2 ) { if( FAILED(p_sys->p_capture_graph_builder2-> RenderStream( &PIN_CATEGORY_CAPTURE, &mediaType.majortype, p_filter, 0, (IBaseFilter *)p_capture_filter )) ) { return false; } // Sort out all the possible video inputs // The class needs to be given the capture filters ANALOGVIDEO input pin IEnumPins *pins = 0; if( ( mediaType.majortype == MEDIATYPE_Video || mediaType.majortype == MEDIATYPE_Stream ) && SUCCEEDED(p_filter->EnumPins(&pins)) ) { IPin *pP = 0; ULONG n; PIN_INFO pinInfo; BOOL Found = FALSE; IKsPropertySet *pKs=0; GUID guid; DWORD dw; while( !Found && ( S_OK == pins->Next(1, &pP, &n) ) ) { if( S_OK == pP->QueryPinInfo(&pinInfo) ) { // is this pin an ANALOGVIDEOIN input pin? if( pinInfo.dir == PINDIR_INPUT && pP->QueryInterface( IID_IKsPropertySet, (void **)&pKs ) == S_OK ) { if( pKs->Get( AMPROPSETID_Pin, AMPROPERTY_PIN_CATEGORY, NULL, 0, &guid, sizeof(GUID), &dw ) == S_OK ) { if( guid == PIN_CATEGORY_ANALOGVIDEOIN ) { // recursively search crossbar routes FindCrossbarRoutes( p_this, p_sys, pP, 0 ); // found it Found = TRUE; } } pKs->Release(); } pinInfo.pFilter->Release(); } pP->Release(); } pins->Release(); } return true; } else { IEnumPins *p_enumpins; IPin *p_pin; if( S_OK != p_filter->EnumPins( &p_enumpins ) ) return false; while( S_OK == p_enumpins->Next( 1, &p_pin, NULL ) ) { PIN_DIRECTION pin_dir; p_pin->QueryDirection( &pin_dir ); if( pin_dir == PINDIR_OUTPUT && p_sys->p_graph->ConnectDirect( p_pin, (IPin *)p_input_pin, 0 ) == S_OK ) { p_pin->Release(); p_enumpins->Release(); return true; } p_pin->Release(); } p_enumpins->Release(); return false; } } /* * get fourcc priority from arbritary preference, the higher the better */ static int GetFourCCPriority( int i_fourcc ) { switch( i_fourcc ) { case VLC_FOURCC('I','4','2','0'): case VLC_FOURCC('f','l','3','2'): return 9; case VLC_FOURCC('Y','V','1','2'): case VLC_FOURCC('a','r','a','w'): return 8; case VLC_FOURCC('R','V','2','4'): return 7; case VLC_FOURCC('Y','U','Y','2'): case VLC_FOURCC('R','V','3','2'): case VLC_FOURCC('R','G','B','A'): return 6; } return 0; } #define MAX_MEDIA_TYPES 32 static int OpenDevice( vlc_object_t *p_this, access_sys_t *p_sys, string devicename, vlc_bool_t b_audio ) { /* See if device is already opened */ for( int i = 0; i < p_sys->i_streams; i++ ) { if( devicename.size() && p_sys->pp_streams[i]->devicename == devicename ) { /* Already opened */ return VLC_SUCCESS; } } list list_devices; /* Enumerate devices and display their names */ FindCaptureDevice( p_this, NULL, &list_devices, b_audio ); if( !list_devices.size() ) return VLC_EGENERIC; list::iterator iter; for( iter = list_devices.begin(); iter != list_devices.end(); iter++ ) msg_Dbg( p_this, "found device: %s", iter->c_str() ); /* If no device name was specified, pick the 1st one */ if( devicename.size() == 0 ) { devicename = *list_devices.begin(); } // Use the system device enumerator and class enumerator to find // a capture/preview device, such as a desktop USB video camera. IBaseFilter *p_device_filter = FindCaptureDevice( p_this, &devicename, 0, b_audio ); if( p_device_filter ) msg_Dbg( p_this, "using device: %s", devicename.c_str() ); else { msg_Err( p_this, "can't use device: %s, unsupported device type", devicename.c_str() ); return VLC_EGENERIC; } // Retreive acceptable media types supported by device AM_MEDIA_TYPE media_types[MAX_MEDIA_TYPES]; size_t media_count = EnumDeviceCaps( p_this, p_device_filter, p_sys->i_chroma, p_sys->i_width, p_sys->i_height, 0, 0, 0, media_types, MAX_MEDIA_TYPES ); /* Find out if the pin handles MEDIATYPE_Stream, in which case we * won't add a prefered media type as this doesn't seem to work well * -- to investigate. */ vlc_bool_t b_stream_type = VLC_FALSE; for( size_t i = 0; i < media_count; i++ ) { if( media_types[i].majortype == MEDIATYPE_Stream ) { b_stream_type = VLC_TRUE; break; } } size_t mt_count = 0; AM_MEDIA_TYPE *mt = NULL; if( !b_stream_type && !b_audio ) { // Insert prefered video media type AM_MEDIA_TYPE mtr; VIDEOINFOHEADER vh; mtr.majortype = MEDIATYPE_Video; mtr.subtype = MEDIASUBTYPE_I420; mtr.bFixedSizeSamples = TRUE; mtr.bTemporalCompression = FALSE; mtr.pUnk = NULL; mtr.formattype = FORMAT_VideoInfo; mtr.cbFormat = sizeof(vh); mtr.pbFormat = (BYTE *)&vh; memset(&vh, 0, sizeof(vh)); vh.bmiHeader.biSize = sizeof(vh.bmiHeader); vh.bmiHeader.biWidth = p_sys->i_width > 0 ? p_sys->i_width : 320; vh.bmiHeader.biHeight = p_sys->i_height > 0 ? p_sys->i_height : 240; vh.bmiHeader.biPlanes = 3; vh.bmiHeader.biBitCount = 12; vh.bmiHeader.biCompression = VLC_FOURCC('I','4','2','0'); vh.bmiHeader.biSizeImage = vh.bmiHeader.biWidth * 12 * vh.bmiHeader.biHeight / 8; mtr.lSampleSize = vh.bmiHeader.biSizeImage; mt_count = 1; mt = (AM_MEDIA_TYPE *)malloc( sizeof(AM_MEDIA_TYPE)*mt_count ); CopyMediaType(mt, &mtr); } else if( !b_stream_type ) { // Insert prefered audio media type AM_MEDIA_TYPE mtr; WAVEFORMATEX wf; mtr.majortype = MEDIATYPE_Audio; mtr.subtype = MEDIASUBTYPE_PCM; mtr.bFixedSizeSamples = TRUE; mtr.bTemporalCompression = FALSE; mtr.lSampleSize = 0; mtr.pUnk = NULL; mtr.formattype = FORMAT_WaveFormatEx; mtr.cbFormat = sizeof(wf); mtr.pbFormat = (BYTE *)&wf; memset(&wf, 0, sizeof(wf)); wf.wFormatTag = WAVE_FORMAT_PCM; wf.nChannels = 2; wf.nSamplesPerSec = 44100; wf.wBitsPerSample = 16; wf.nBlockAlign = wf.nSamplesPerSec * wf.wBitsPerSample / 8; wf.nAvgBytesPerSec = wf.nSamplesPerSec * wf.nBlockAlign; wf.cbSize = 0; mt_count = 1; mt = (AM_MEDIA_TYPE *)malloc( sizeof(AM_MEDIA_TYPE)*mt_count ); CopyMediaType(mt, &mtr); } if( media_count > 0 ) { mt = (AM_MEDIA_TYPE *)realloc( mt, sizeof(AM_MEDIA_TYPE) * (mt_count + media_count) ); // Order and copy returned media types according to arbitrary // fourcc priority for( size_t c = 0; c < media_count; c++ ) { int slot_priority = GetFourCCPriority(GetFourCCFromMediaType(media_types[c])); size_t slot_copy = c; for( size_t d = c+1; d < media_count; d++ ) { int priority = GetFourCCPriority(GetFourCCFromMediaType(media_types[d])); if( priority > slot_priority ) { slot_priority = priority; slot_copy = d; } } if( slot_copy != c ) { mt[c+mt_count] = media_types[slot_copy]; media_types[slot_copy] = media_types[c]; } else { mt[c+mt_count] = media_types[c]; } } mt_count += media_count; } /* Create and add our capture filter */ CaptureFilter *p_capture_filter = new CaptureFilter( p_this, p_sys, mt, mt_count ); p_sys->p_graph->AddFilter( p_capture_filter, 0 ); /* Add the device filter to the graph (seems necessary with VfW before * accessing pin attributes). */ p_sys->p_graph->AddFilter( p_device_filter, 0 ); /* Attempt to connect one of this device's capture output pins */ msg_Dbg( p_this, "connecting filters" ); if( ConnectFilters( p_this, p_sys, p_device_filter, p_capture_filter ) ) { /* Success */ msg_Dbg( p_this, "filters connected successfully !" ); dshow_stream_t dshow_stream; dshow_stream.b_pts = VLC_FALSE; dshow_stream.p_es = 0; dshow_stream.mt = p_capture_filter->CustomGetPin()->CustomGetMediaType(); /* Show Device properties. Done here so the VLC stream is setup with * the proper parameters. */ vlc_value_t val; var_Get( p_this, "dshow-config", &val ); if( val.b_bool ) { ShowDeviceProperties( p_this, p_sys->p_capture_graph_builder2, p_device_filter, b_audio ); } var_Get( p_this, "dshow-tuner", &val ); if( val.b_bool ) { ShowTunerProperties( p_this, p_sys->p_capture_graph_builder2, p_device_filter, b_audio ); } dshow_stream.mt = p_capture_filter->CustomGetPin()->CustomGetMediaType(); dshow_stream.i_fourcc = GetFourCCFromMediaType( dshow_stream.mt ); if( dshow_stream.i_fourcc ) { if( dshow_stream.mt.majortype == MEDIATYPE_Video ) { dshow_stream.header.video = *(VIDEOINFOHEADER *)dshow_stream.mt.pbFormat; msg_Dbg( p_this, "MEDIATYPE_Video" ); msg_Dbg( p_this, "selected video pin accepts format: %4.4s", (char *)&dshow_stream.i_fourcc); } else if( dshow_stream.mt.majortype == MEDIATYPE_Audio ) { dshow_stream.header.audio = *(WAVEFORMATEX *)dshow_stream.mt.pbFormat; msg_Dbg( p_this, "MEDIATYPE_Audio" ); msg_Dbg( p_this, "selected audio pin accepts format: %4.4s", (char *)&dshow_stream.i_fourcc); } else if( dshow_stream.mt.majortype == MEDIATYPE_Stream ) { msg_Dbg( p_this, "MEDIATYPE_Stream" ); msg_Dbg( p_this, "selected stream pin accepts format: %4.4s", (char *)&dshow_stream.i_fourcc); } else { msg_Dbg( p_this, "unknown stream majortype" ); goto fail; } /* Add directshow elementary stream to our list */ dshow_stream.p_device_filter = p_device_filter; dshow_stream.p_capture_filter = p_capture_filter; p_sys->pp_streams = (dshow_stream_t **)realloc( p_sys->pp_streams, sizeof(dshow_stream_t *) * (p_sys->i_streams + 1) ); p_sys->pp_streams[p_sys->i_streams] = new dshow_stream_t; *p_sys->pp_streams[p_sys->i_streams++] = dshow_stream; return VLC_SUCCESS; } } fail: /* Remove filters from graph */ p_sys->p_graph->RemoveFilter( p_device_filter ); p_sys->p_graph->RemoveFilter( p_capture_filter ); /* Release objects */ p_device_filter->Release(); p_capture_filter->Release(); return VLC_EGENERIC; } static IBaseFilter * FindCaptureDevice( vlc_object_t *p_this, string *p_devicename, list *p_listdevices, vlc_bool_t b_audio ) { IBaseFilter *p_base_filter = NULL; IMoniker *p_moniker = NULL; ULONG i_fetched; HRESULT hr; /* Create the system device enumerator */ ICreateDevEnum *p_dev_enum = NULL; hr = CoCreateInstance( CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC, IID_ICreateDevEnum, (void **)&p_dev_enum ); if( FAILED(hr) ) { msg_Err( p_this, "failed to create the device enumerator (0x%lx)", hr); return NULL; } /* Create an enumerator for the video capture devices */ IEnumMoniker *p_class_enum = NULL; if( !b_audio ) hr = p_dev_enum->CreateClassEnumerator( CLSID_VideoInputDeviceCategory, &p_class_enum, 0 ); else hr = p_dev_enum->CreateClassEnumerator( CLSID_AudioInputDeviceCategory, &p_class_enum, 0 ); p_dev_enum->Release(); if( FAILED(hr) ) { msg_Err( p_this, "failed to create the class enumerator (0x%lx)", hr ); return NULL; } /* If there are no enumerators for the requested type, then * CreateClassEnumerator will succeed, but p_class_enum will be NULL */ if( p_class_enum == NULL ) { msg_Err( p_this, "no capture device was detected" ); return NULL; } /* Enumerate the devices */ /* Note that if the Next() call succeeds but there are no monikers, * it will return S_FALSE (which is not a failure). Therefore, we check * that the return code is S_OK instead of using SUCCEEDED() macro. */ while( p_class_enum->Next( 1, &p_moniker, &i_fetched ) == S_OK ) { /* Getting the property page to get the device name */ IPropertyBag *p_bag; hr = p_moniker->BindToStorage( 0, 0, IID_IPropertyBag, (void **)&p_bag ); if( SUCCEEDED(hr) ) { VARIANT var; var.vt = VT_BSTR; hr = p_bag->Read( L"FriendlyName", &var, NULL ); p_bag->Release(); if( SUCCEEDED(hr) ) { int i_convert = ( lstrlenW( var.bstrVal ) + 1 ) * 2; char *p_buf = (char *)alloca( i_convert ); p_buf[0] = 0; WideCharToMultiByte( CP_ACP, 0, var.bstrVal, -1, p_buf, i_convert, NULL, NULL ); SysFreeString(var.bstrVal); if( p_listdevices ) p_listdevices->push_back( p_buf ); if( p_devicename && *p_devicename == string(p_buf) ) { /* Bind Moniker to a filter object */ hr = p_moniker->BindToObject( 0, 0, IID_IBaseFilter, (void **)&p_base_filter ); if( FAILED(hr) ) { msg_Err( p_this, "couldn't bind moniker to filter " "object (0x%lx)", hr ); p_moniker->Release(); p_class_enum->Release(); return NULL; } p_moniker->Release(); p_class_enum->Release(); return p_base_filter; } } } p_moniker->Release(); } p_class_enum->Release(); return NULL; } static size_t EnumDeviceCaps( vlc_object_t *p_this, IBaseFilter *p_filter, int i_fourcc, int i_width, int i_height, int i_channels, int i_samplespersec, int i_bitspersample, AM_MEDIA_TYPE *mt, size_t mt_max ) { IEnumPins *p_enumpins; IPin *p_output_pin; IEnumMediaTypes *p_enummt; size_t mt_count = 0; if( FAILED(p_filter->EnumPins( &p_enumpins )) ) { msg_Dbg( p_this, "EnumDeviceCaps failed: no pin enumeration !"); return 0; } while( S_OK == p_enumpins->Next( 1, &p_output_pin, NULL ) ) { PIN_INFO info; if( S_OK == p_output_pin->QueryPinInfo( &info ) ) { msg_Dbg( p_this, "EnumDeviceCaps: %s pin: %S", info.dir == PINDIR_INPUT ? "input" : "output", info.achName ); if( info.pFilter ) info.pFilter->Release(); } p_output_pin->Release(); } p_enumpins->Reset(); while( !mt_count && p_enumpins->Next( 1, &p_output_pin, NULL ) == S_OK ) { PIN_INFO info; if( S_OK == p_output_pin->QueryPinInfo( &info ) ) { if( info.pFilter ) info.pFilter->Release(); if( info.dir == PINDIR_INPUT ) { p_output_pin->Release(); continue; } msg_Dbg( p_this, "EnumDeviceCaps: trying pin %S", info.achName ); } /* Probe pin */ if( !SUCCEEDED( p_output_pin->EnumMediaTypes( &p_enummt ) ) ) { p_output_pin->Release(); continue; } AM_MEDIA_TYPE *p_mt; while( p_enummt->Next( 1, &p_mt, NULL ) == S_OK ) { int i_current_fourcc = GetFourCCFromMediaType( *p_mt ); if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Video ) { int i_current_width = p_mt->pbFormat ? ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biWidth :0; int i_current_height = p_mt->pbFormat ? ((VIDEOINFOHEADER *)p_mt->pbFormat)->bmiHeader.biHeight :0; if( i_current_height < 0 ) i_current_height = -i_current_height; msg_Dbg( p_this, "EnumDeviceCaps: input pin " "accepts chroma: %4.4s, width:%i, height:%i", (char *)&i_current_fourcc, i_current_width, i_current_height ); if( ( !i_fourcc || i_fourcc == i_current_fourcc ) && ( !i_width || i_width == i_current_width ) && ( !i_height || i_height == i_current_height ) && mt_count < mt_max ) { /* Pick match */ mt[mt_count++] = *p_mt; } else FreeMediaType( *p_mt ); } else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Audio ) { int i_current_channels = ((WAVEFORMATEX *)p_mt->pbFormat)->nChannels; int i_current_samplespersec = ((WAVEFORMATEX *)p_mt->pbFormat)->nSamplesPerSec; int i_current_bitspersample = ((WAVEFORMATEX *)p_mt->pbFormat)->wBitsPerSample; msg_Dbg( p_this, "EnumDeviceCaps: input pin " "accepts format: %4.4s, channels:%i, " "samples/sec:%i bits/sample:%i", (char *)&i_current_fourcc, i_current_channels, i_current_samplespersec, i_current_bitspersample); if( (!i_channels || i_channels == i_current_channels) && (!i_samplespersec || i_samplespersec == i_current_samplespersec) && (!i_bitspersample || i_bitspersample == i_current_bitspersample) && mt_count < mt_max ) { /* Pick match */ mt[mt_count++] = *p_mt; /* Setup a few properties like the audio latency */ IAMBufferNegotiation *p_ambuf; if( SUCCEEDED( p_output_pin->QueryInterface( IID_IAMBufferNegotiation, (void **)&p_ambuf ) ) ) { ALLOCATOR_PROPERTIES AllocProp; AllocProp.cbAlign = -1; /* 100 ms of latency */ AllocProp.cbBuffer = i_current_channels * i_current_samplespersec * i_current_bitspersample / 8 / 10; AllocProp.cbPrefix = -1; AllocProp.cBuffers = -1; p_ambuf->SuggestAllocatorProperties( &AllocProp ); p_ambuf->Release(); } } else FreeMediaType( *p_mt ); } else if( i_current_fourcc && p_mt->majortype == MEDIATYPE_Stream ) { msg_Dbg( p_this, "EnumDeviceCaps: input pin " "accepts stream format: %4.4s", (char *)&i_current_fourcc ); if( ( !i_fourcc || i_fourcc == i_current_fourcc ) && mt_count < mt_max ) { /* Pick match */ mt[mt_count++] = *p_mt; i_fourcc = i_current_fourcc; } else FreeMediaType( *p_mt ); } else { char *psz_type = "unknown"; if( p_mt->majortype == MEDIATYPE_Video ) psz_type = "video"; if( p_mt->majortype == MEDIATYPE_Audio ) psz_type = "audio"; if( p_mt->majortype == MEDIATYPE_Stream ) psz_type = "stream"; msg_Dbg( p_this, "EnumDeviceCaps: input pin: unknown format " "(%s %4.4s)", psz_type, (char *)&p_mt->subtype ); FreeMediaType( *p_mt ); } CoTaskMemFree( (PVOID)p_mt ); } p_enummt->Release(); p_output_pin->Release(); } p_enumpins->Release(); return mt_count; } /***************************************************************************** * ReadCompressed: reads compressed (MPEG/DV) data from the device. ***************************************************************************** * Returns -1 in case of error, 0 in case of EOF, otherwise the number of * bytes. *****************************************************************************/ static int ReadCompressed( access_t *p_access, uint8_t *p_buffer, int i_len ) { access_sys_t *p_sys = p_access->p_sys; dshow_stream_t *p_stream = NULL; VLCMediaSample sample; int i_data_size; uint8_t *p_data; /* Read 1 DV/MPEG frame (they contain the video and audio data) */ /* There must be only 1 elementary stream to produce a valid stream * of MPEG or DV data */ p_stream = p_sys->pp_streams[0]; while( 1 ) { if( p_access->b_die || p_access->b_error ) return 0; /* Get new sample/frame from the elementary stream (blocking). */ vlc_mutex_lock( &p_sys->lock ); if( p_stream->p_capture_filter->CustomGetPin() ->CustomGetSample( &sample ) != S_OK ) { /* No data available. Wait until some data has arrived */ vlc_cond_wait( &p_sys->wait, &p_sys->lock ); vlc_mutex_unlock( &p_sys->lock ); continue; } vlc_mutex_unlock( &p_sys->lock ); /* * We got our sample */ i_data_size = sample.p_sample->GetActualDataLength(); sample.p_sample->GetPointer( &p_data ); #if 0 msg_Info( p_access, "access read %i data_size %i", i_len, i_data_size ); #endif i_data_size = __MIN( i_data_size, (int)i_len ); p_access->p_vlc->pf_memcpy( p_buffer, p_data, i_data_size ); sample.p_sample->Release(); /* The caller got what he wanted */ return i_data_size; } return 0; /* never reached */ } /**************************************************************************** * Demux: ****************************************************************************/ static int Demux( demux_t *p_demux ) { access_sys_t *p_sys = (access_sys_t *)p_demux->p_sys; dshow_stream_t *p_stream = NULL; VLCMediaSample sample; int i_data_size, i_stream; uint8_t *p_data; block_t *p_block; vlc_mutex_lock( &p_sys->lock ); /* Try to grab an audio sample (audio has a higher priority) */ for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ ) { p_stream = p_sys->pp_streams[i_stream]; if( p_stream->mt.majortype == MEDIATYPE_Audio && p_stream->p_capture_filter && p_stream->p_capture_filter->CustomGetPin() ->CustomGetSample( &sample ) == S_OK ) { break; } } /* Try to grab a video sample */ if( i_stream == p_sys->i_streams ) for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ ) { p_stream = p_sys->pp_streams[i_stream]; if( p_stream->p_capture_filter && p_stream->p_capture_filter->CustomGetPin() ->CustomGetSample( &sample ) == S_OK ) { break; } } vlc_mutex_unlock( &p_sys->lock ); if( i_stream == p_sys->i_streams ) { /* Sleep so we do not consume all the cpu, 10ms seems * like a good value (100fps) */ msleep( 10000 ); return 1; } /* * We got our sample */ i_data_size = sample.p_sample->GetActualDataLength(); sample.p_sample->GetPointer( &p_data ); REFERENCE_TIME i_pts, i_end_date; HRESULT hr = sample.p_sample->GetTime( &i_pts, &i_end_date ); if( hr != VFW_S_NO_STOP_TIME && hr != S_OK ) i_pts = 0; if( !i_pts ) { if( p_stream->mt.majortype == MEDIATYPE_Video || !p_stream->b_pts ) { /* Use our data timestamp */ i_pts = sample.i_timestamp; p_stream->b_pts = VLC_TRUE; } } i_pts /= 10; /* Dshow works with 100 nano-seconds resolution */ #if 0 msg_Dbg( p_demux, "Read() stream: %i, size: %i, PTS: "I64Fd, i_stream, i_data_size, i_pts ); #endif p_block = block_New( p_demux, i_data_size ); p_demux->p_vlc->pf_memcpy( p_block->p_buffer, p_data, i_data_size ); p_block->i_pts = p_block->i_dts = i_pts; sample.p_sample->Release(); es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_pts > 0 ? i_pts : 0 ); es_out_Send( p_demux->out, p_stream->p_es, p_block ); return 1; } /***************************************************************************** * AccessControl: *****************************************************************************/ static int AccessControl( access_t *p_access, int i_query, va_list args ) { vlc_bool_t *pb_bool; int *pi_int; int64_t *pi_64; switch( i_query ) { /* */ case ACCESS_CAN_SEEK: case ACCESS_CAN_FASTSEEK: case ACCESS_CAN_PAUSE: case ACCESS_CAN_CONTROL_PACE: pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* ); *pb_bool = VLC_FALSE; break; /* */ case ACCESS_GET_MTU: pi_int = (int*)va_arg( args, int * ); *pi_int = 0; break; case ACCESS_GET_PTS_DELAY: pi_64 = (int64_t*)va_arg( args, int64_t * ); *pi_64 = (int64_t)var_GetInteger( p_access, "dshow-caching" ) * 1000; break; /* */ case ACCESS_SET_PAUSE_STATE: case ACCESS_GET_TITLE_INFO: case ACCESS_SET_TITLE: case ACCESS_SET_SEEKPOINT: case ACCESS_SET_PRIVATE_ID_STATE: return VLC_EGENERIC; default: msg_Warn( p_access, "unimplemented query in control" ); return VLC_EGENERIC; } return VLC_SUCCESS; } /**************************************************************************** * DemuxControl: ****************************************************************************/ static int DemuxControl( demux_t *p_demux, int i_query, va_list args ) { vlc_bool_t *pb; int64_t *pi64; switch( i_query ) { /* Special for access_demux */ case DEMUX_CAN_PAUSE: case DEMUX_SET_PAUSE_STATE: case DEMUX_CAN_CONTROL_PACE: pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * ); *pb = VLC_FALSE; return VLC_SUCCESS; case DEMUX_GET_PTS_DELAY: pi64 = (int64_t*)va_arg( args, int64_t * ); *pi64 = (int64_t)var_GetInteger( p_demux, "dshow-caching" ) * 1000; 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; } /***************************************************************************** * config variable callback *****************************************************************************/ static int FindDevicesCallback( vlc_object_t *p_this, char const *psz_name, vlc_value_t newval, vlc_value_t oldval, void * ) { module_config_t *p_item; vlc_bool_t b_audio = VLC_FALSE; int i; p_item = config_FindConfig( p_this, psz_name ); if( !p_item ) return VLC_SUCCESS; if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = VLC_TRUE; /* Clear-up the current list */ if( p_item->i_list ) { /* Keep the 2 first entries */ for( i = 2; i < p_item->i_list; i++ ) { free( p_item->ppsz_list[i] ); free( p_item->ppsz_list_text[i] ); } /* TODO: Remove when no more needed */ p_item->ppsz_list[i] = NULL; p_item->ppsz_list_text[i] = NULL; } p_item->i_list = 2; /* Find list of devices */ list list_devices; /* Initialize OLE/COM */ CoInitialize( 0 ); FindCaptureDevice( p_this, NULL, &list_devices, b_audio ); /* Uninitialize OLE/COM */ CoUninitialize(); if( !list_devices.size() ) return VLC_SUCCESS; p_item->ppsz_list = (char **)realloc( p_item->ppsz_list, (list_devices.size()+3) * sizeof(char *) ); p_item->ppsz_list_text = (char **)realloc( p_item->ppsz_list_text, (list_devices.size()+3) * sizeof(char *) ); list::iterator iter; for( iter = list_devices.begin(), i = 2; iter != list_devices.end(); iter++, i++ ) { p_item->ppsz_list[i] = strdup( iter->c_str() ); p_item->ppsz_list_text[i] = NULL; p_item->i_list++; } p_item->ppsz_list[i] = NULL; p_item->ppsz_list_text[i] = NULL; /* Signal change to the interface */ p_item->b_dirty = VLC_TRUE; return VLC_SUCCESS; } static int ConfigDevicesCallback( vlc_object_t *p_this, char const *psz_name, vlc_value_t newval, vlc_value_t oldval, void * ) { module_config_t *p_item; vlc_bool_t b_audio = VLC_FALSE; /* Initialize OLE/COM */ CoInitialize( 0 ); p_item = config_FindConfig( p_this, psz_name ); if( !p_item ) return VLC_SUCCESS; if( !strcmp( psz_name, "dshow-adev" ) ) b_audio = VLC_TRUE; string devicename; if( newval.psz_string && *newval.psz_string ) { devicename = newval.psz_string; } else { /* If no device name was specified, pick the 1st one */ list list_devices; /* Enumerate devices */ FindCaptureDevice( p_this, NULL, &list_devices, b_audio ); if( !list_devices.size() ) return VLC_EGENERIC; devicename = *list_devices.begin(); } IBaseFilter *p_device_filter = FindCaptureDevice( p_this, &devicename, NULL, b_audio ); if( p_device_filter ) { ShowPropertyPage( p_device_filter ); } else { /* Uninitialize OLE/COM */ CoUninitialize(); msg_Err( p_this, "didn't find device: %s", devicename.c_str() ); return VLC_EGENERIC; } /* Uninitialize OLE/COM */ CoUninitialize(); return VLC_SUCCESS; } /***************************************************************************** * Properties *****************************************************************************/ static void ShowPropertyPage( IUnknown *obj ) { ISpecifyPropertyPages *p_spec; CAUUID cauuid; HRESULT hr = obj->QueryInterface( IID_ISpecifyPropertyPages, (void **)&p_spec ); if( FAILED(hr) ) return; if( SUCCEEDED(p_spec->GetPages( &cauuid )) ) { if( cauuid.cElems > 0 ) { HWND hwnd_desktop = ::GetDesktopWindow(); OleCreatePropertyFrame( hwnd_desktop, 30, 30, NULL, 1, &obj, cauuid.cElems, cauuid.pElems, 0, 0, NULL ); CoTaskMemFree( cauuid.pElems ); } p_spec->Release(); } } static void ShowDeviceProperties( vlc_object_t *p_this, ICaptureGraphBuilder2 *p_capture_graph, IBaseFilter *p_device_filter, vlc_bool_t b_audio ) { HRESULT hr; msg_Dbg( p_this, "Configuring Device Properties" ); /* * Video or audio capture filter page */ ShowPropertyPage( p_device_filter ); /* * Audio capture pin */ if( p_capture_graph && b_audio ) { IAMStreamConfig *p_SC; msg_Dbg( p_this, "Showing WDM Audio Configuration Pages" ); hr = p_capture_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Audio, p_device_filter, IID_IAMStreamConfig, (void **)&p_SC ); if( SUCCEEDED(hr) ) { ShowPropertyPage(p_SC); p_SC->Release(); } /* * TV Audio filter */ IAMTVAudio *p_TVA; HRESULT hr = p_capture_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Audio, p_device_filter, IID_IAMTVAudio, (void **)&p_TVA ); if( SUCCEEDED(hr) ) { ShowPropertyPage(p_TVA); p_TVA->Release(); } } /* * Video capture pin */ if( p_capture_graph && !b_audio ) { IAMStreamConfig *p_SC; msg_Dbg( p_this, "Showing WDM Video Configuration Pages" ); hr = p_capture_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Interleaved, p_device_filter, IID_IAMStreamConfig, (void **)&p_SC ); if( FAILED(hr) ) { hr = p_capture_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video, p_device_filter, IID_IAMStreamConfig, (void **)&p_SC ); } if( SUCCEEDED(hr) ) { ShowPropertyPage(p_SC); p_SC->Release(); } } } static void ShowTunerProperties( vlc_object_t *p_this, ICaptureGraphBuilder2 *p_capture_graph, IBaseFilter *p_device_filter, vlc_bool_t b_audio ) { HRESULT hr; msg_Dbg( p_this, "Configuring Tuner Properties" ); if( p_capture_graph && !b_audio ) { IAMTVTuner *p_TV; hr = p_capture_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Interleaved, p_device_filter, IID_IAMTVTuner, (void **)&p_TV ); if( FAILED(hr) ) { hr = p_capture_graph->FindInterface( &PIN_CATEGORY_CAPTURE, &MEDIATYPE_Video, p_device_filter, IID_IAMTVTuner, (void **)&p_TV ); } if( SUCCEEDED(hr) ) { ShowPropertyPage(p_TV); p_TV->Release(); } } }