/* GStreamer * Copyright (C) 2007 Sebastien Moutte <sebastien@moutte.net> * * gstdshow.h: * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifndef _GSTDSHOW_ #define _GSTDSHOW_ #include <streams.h> #include <windows.h> #include <tchar.h> #include <objbase.h> #include <dshow.h> #include <Rpc.h> #include <gst/gst.h> #include <gst/video/video.h> typedef struct _GstCapturePinMediaType { AM_MEDIA_TYPE *mediatype; IPin *capture_pin; VIDEO_STREAM_CONFIG_CAPS vscc; //default caps gint defaultWidth; gint defaultHeight; gint defaultFPS; gint granularityWidth; //will be removed when GST_TYPE_INT_RANGE_STEP exits gint granularityHeight; //will be removed when GST_TYPE_INT_RANGE_STEP exits } GstCapturePinMediaType; /* free memory of the input pin mediatype */ void gst_dshow_free_pin_mediatype (gpointer pt); /* free memory of the input dshow mediatype */ void gst_dshow_free_mediatype (AM_MEDIA_TYPE * pmt); /* create a new capture media type that handles dshow video caps of a capture pin */ GstCapturePinMediaType *gst_dshow_new_pin_mediatype (IPin * pin); /* create a new capture media type from enum mediatype */ GstCapturePinMediaType * gst_dshow_new_pin_mediatype_from_enum_mediatypes (IPin * pin, IEnumMediaTypes *enum_mediatypes); /* create a new capture media type from streamcaps */ GstCapturePinMediaType *gst_dshow_new_pin_mediatype_from_streamcaps (IPin * pin, gint id, IAMStreamConfig * streamcaps); /* free the memory of all mediatypes of the input list if pin mediatype */ void gst_dshow_free_pins_mediatypes (GList * mediatypes); /* allow to know what kind of media type we have */ gboolean gst_dshow_check_mediatype (AM_MEDIA_TYPE * media_type, const GUID sub_type, const GUID format_type); /* get a pin from directshow filter */ gboolean gst_dshow_get_pin_from_filter (IBaseFilter * filter, PIN_DIRECTION pindir, IPin ** pin); /* find and return a filter according to the input and output types */ gboolean gst_dshow_find_filter (CLSID input_majortype, CLSID input_subtype, CLSID output_majortype, CLSID output_subtype, gchar * prefered_filter_name, IBaseFilter ** filter); /* get the dshow device path from device friendly name. If friendly name is not set, it will return the first available device */ gchar *gst_dshow_getdevice_from_devicename (const GUID * device_category, gchar ** device_name); /* show the capture filter property page (generally used to setup the device). the page is modal*/ gboolean gst_dshow_show_propertypage (IBaseFilter * base_filter); /* translate GUID format to gsteamer video format */ GstVideoFormat gst_dshow_guid_to_gst_video_format (AM_MEDIA_TYPE *mediatype); /* check if IPin is connected */ gboolean gst_dshow_is_pin_connected (IPin *pin); /* transform a dshow video caps to a gstreamer video caps */ GstCaps *gst_dshow_new_video_caps (GstVideoFormat video_format, const gchar * name, GstCapturePinMediaType * pin_mediatype); /* configure the latency of the capture source */ bool gst_dshow_configure_latency (IPin *pCapturePin, guint bufSizeMS); #endif /* _GSTDSHOW_ */