filter.cpp
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:43k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * filter.c : DirectShow access module for vlc
- *****************************************************************************
- * Copyright (C) 2002 the VideoLAN team
- * $Id: 456aa87597aad24cf0c62df4e7a6c5a90c78ce21 $
- *
- * Author: Gildas Bazin <gbazin@videolan.org>
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- /*****************************************************************************
- * Preamble
- *****************************************************************************/
- #ifdef HAVE_CONFIG_H
- # include "config.h"
- #endif
- #include <vlc_common.h>
- #include <vlc_vout.h>
- #ifndef _MSC_VER
- /* Work-around a bug in w32api-2.5 */
- # define QACONTAINERFLAGS QACONTAINERFLAGS_SOMETHINGELSE
- #endif
- #include "common.h"
- #include "filter.h"
- #define DEBUG_DSHOW 1
- #define FILTER_NAME L"VideoLAN Capture Filter"
- #define PIN_NAME L"Capture"
- /*****************************************************************************
- * DirectShow GUIDs.
- * Easier to define them here as mingw doesn't provide them all.
- *****************************************************************************/
- const GUID CLSID_SystemDeviceEnum = {0x62be5d10, 0x60eb, 0x11d0, {0xbd, 0x3b, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
- const GUID CLSID_VideoInputDeviceCategory = {0x860BB310,0x5D01,0x11d0,{0xBD,0x3B,0x00,0xA0,0xC9,0x11,0xCE,0x86}};
- const GUID CLSID_AudioInputDeviceCategory = {0x33d9a762, 0x90c8, 0x11d0, {0xbd, 0x43, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
- //const GUID IID_IPropertyBag = {0x55272A00, 0x42CB, 0x11CE, {0x81, 0x35, 0x00, 0xAA, 0x00, 0x4B, 0xB8, 0x51}};
- extern const GUID IID_IPropertyBag;
- const GUID IID_ICreateDevEnum = {0x29840822, 0x5b84, 0x11d0, {0xbd, 0x3b, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
- const GUID IID_IFilterGraph = {0x56a8689f, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
- const GUID IID_IMediaControl = {0x56a868b1, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
- const GUID CLSID_FilterGraph = {0xe436ebb3, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
- //const GUID IID_IUnknown = {0x00000000, 0x0000, 0x0000, {0xc0,0x00, 0x00,0x00,0x00,0x00,0x00,0x46}};
- extern const GUID IID_IUnknown;
- //const GUID IID_IPersist = {0x0000010c, 0x0000, 0x0000, {0xc0,0x00, 0x00,0x00,0x00,0x00,0x00,0x46}};
- extern const GUID IID_IPersist;
- const GUID IID_IMediaFilter = {0x56a86899, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
- const GUID IID_IBaseFilter = {0x56a86895, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
- const GUID IID_IPin = {0x56a86891, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
- const GUID IID_IMemInputPin = {0x56a8689d, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
- extern const GUID IID_IMemInputPin;
- const GUID IID_IEnumPins = {0x56a86892, 0x0ad4, 0x11ce, {0xb0,0x3a, 0x00,0x20,0xaf,0x0b,0xa7,0x70}};
- const GUID IID_IEnumMediaTypes = {0x89c31040, 0x846b, 0x11ce, {0x97,0xd3, 0x00,0xaa,0x00,0x55,0x59,0x5a}};
- const GUID IID_IAMBufferNegotiation = {0x56ed71a0, 0xaf5f, 0x11d0, {0xb3, 0xf0, 0x00, 0xaa, 0x00, 0x37, 0x61, 0xc5}};
- //const GUID IID_ISpecifyPropertyPages = {0xb196b28b, 0xbab4, 0x101a, {0xb6, 0x9c, 0x00, 0xaa, 0x00, 0x34, 0x1d, 0x07}};
- extern const GUID IID_ISpecifyPropertyPages;
- const GUID IID_IQualityControl = {0x56a868a5, 0x0ad4, 0x11ce, {0xb, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
- const GUID CLSID_CaptureGraphBuilder2 = {0xBF87B6E1, 0x8C27, 0x11d0, {0xB3, 0xF0, 0x0, 0xAA, 0x00, 0x37, 0x61, 0xC5}};
- const GUID IID_IGraphBuilder = {0x56a868a9, 0x0ad4, 0x11ce, {0xb0, 0x3a, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
- const GUID IID_ICaptureGraphBuilder2 = {0x93E5A4E0, 0x2D50, 0x11d2, {0xAB, 0xFA, 0x00, 0xA0, 0xC9, 0xC6, 0xE3, 0x8D}};
- const GUID IID_IAMTVAudio = {0x83EC1C30, 0x23D1, 0x11d1, {0x99, 0xE6, 0x00, 0xA0, 0xC9, 0x56, 0x02, 0x66}};
- const GUID IID_IAMStreamConfig = {0xC6E13340, 0x30AC, 0x11d0, {0xA1, 0x8C, 0x00, 0xA0, 0xC9, 0x11, 0x89, 0x56}};
- const GUID IID_IAMCrossbar = {0xC6E13380, 0x30AC, 0x11d0, {0xA1, 0x8C, 0x00, 0xA0, 0xC9, 0x11, 0x89, 0x56}};
- const GUID IID_IAMTVTuner = {0x211A8766, 0x03AC, 0x11d1, {0x8D, 0x13, 0x00, 0xAA, 0x00, 0xBD, 0x83, 0x39}};
- const GUID IID_IKsPropertySet = {0x31EFAC30, 0x515C, 0x11d0, {0xA9, 0xAA, 0x00, 0xAA, 0x00, 0x61, 0xBE, 0x93}};
- /* Video Format */
- const GUID FORMAT_VideoInfo = {0x05589f80, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
- /*
- * MEDIATYPEs and MEDIASUBTYPEs
- */
- const GUID MEDIATYPE_Video = {0x73646976, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
- const GUID MEDIATYPE_Interleaved = {0x73766169, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
- const GUID MEDIATYPE_Stream = {0xe436eb83, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
- const GUID MEDIASUBTYPE_PREVIEW_VIDEO = {0x2859e1da, 0xb81f, 0x4fbd, {0x94, 0x3b, 0xe2, 0x37, 0x24, 0xa1, 0xab, 0xb3}};
- /* Packed RGB formats */
- const GUID MEDIASUBTYPE_RGB1 = {0xe436eb78, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
- const GUID MEDIASUBTYPE_RGB4 = {0xe436eb79, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
- const GUID MEDIASUBTYPE_RGB8 = {0xe436eb7a, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
- const GUID MEDIASUBTYPE_RGB565 = {0xe436eb7b, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
- const GUID MEDIASUBTYPE_RGB555 = {0xe436eb7c, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
- const GUID MEDIASUBTYPE_RGB24 = {0xe436eb7d, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
- const GUID MEDIASUBTYPE_RGB32 = {0xe436eb7e, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
- const GUID MEDIASUBTYPE_ARGB32 = {0x773c9ac0, 0x3274, 0x11d0, {0xb7, 0x24, 0x0, 0xaa, 0x0, 0x6c, 0x1a, 0x1}};
- /* Packed YUV formats */
- const GUID MEDIASUBTYPE_YUYV = {0x56595559, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
- const GUID MEDIASUBTYPE_Y411 = {0x31313459, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
- const GUID MEDIASUBTYPE_Y211 = {0x31313259, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
- const GUID MEDIASUBTYPE_YUY2 = {0x32595559, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
- const GUID MEDIASUBTYPE_YVYU = {0x55595659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
- const GUID MEDIASUBTYPE_UYVY = {0x59565955, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
- const GUID MEDIASUBTYPE_HDYC = {0x43594448, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
- /* Planar YUV formats */
- const GUID MEDIASUBTYPE_YVU9 = {0x39555659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
- const GUID MEDIASUBTYPE_YV12 = {0x32315659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
- const GUID MEDIASUBTYPE_IYUV = {0x56555949, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}}; /* identical to YV12 */
- const GUID MEDIASUBTYPE_Y41P = {0x50313459, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
- const GUID MEDIASUBTYPE_I420 = {0x30323449, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
- const GUID MEDIATYPE_Audio = {0x73647561, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
- const GUID FORMAT_WaveFormatEx = {0x05589f81, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
- const GUID MEDIASUBTYPE_PCM = {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
- const GUID MEDIASUBTYPE_IEEE_FLOAT = {0x00000003, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
- /* DV formats */
- const GUID MEDIASUBTYPE_dvsd = {0x64737664, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
- const GUID MEDIASUBTYPE_dvhd = {0x64687664, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
- const GUID MEDIASUBTYPE_dvsl = {0x6c737664, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
- /* MPEG2 formats */
- const GUID MEDIASUBTYPE_MPEG2_VIDEO = {0xe06d8026, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
- const GUID MEDIASUBTYPE_MPEG2_PROGRAM = {0xe06d8022, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
- const GUID MEDIASUBTYPE_MPEG2_TRANSPORT = {0xe06d8023, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
- const GUID FORMAT_MPEG2Video = {0xe06d80e3, 0xdb46, 0x11cf, {0xb4, 0xd1, 0x00, 0x80, 0x5f, 0x6c, 0xbb, 0xea}};
- /* MJPG format */
- const GUID MEDIASUBTYPE_MJPG = {0x47504A4D, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
- /* DivX formats */
- const GUID MEDIASUBTYPE_DIVX = {0x58564944, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
- /* Analog Video */
- const GUID FORMAT_AnalogVideo = {0x482dde0, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
- const GUID MEDIATYPE_AnalogVideo = {0x482dde1, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xab, 0x0, 0x6e, 0xcb, 0x65}};
- const GUID MEDIASUBTYPE_AnalogVideo_NTSC_M = {0x482dde2, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
- const GUID MEDIASUBTYPE_AnalogVideo_PAL_B = {0x482dde5, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
- const GUID MEDIASUBTYPE_AnalogVideo_PAL_D = {0x482dde6, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
- const GUID MEDIASUBTYPE_AnalogVideo_PAL_G = {0x482dde7, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
- const GUID MEDIASUBTYPE_AnalogVideo_PAL_H = {0x482dde8, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
- const GUID MEDIASUBTYPE_AnalogVideo_PAL_I = {0x482dde9, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
- const GUID MEDIASUBTYPE_AnalogVideo_PAL_M = {0x482ddea, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
- const GUID MEDIASUBTYPE_AnalogVideo_PAL_N = {0x482ddeb, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
- const GUID MEDIASUBTYPE_AnalogVideo_PAL_N_COMBO = {0x482ddec, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
- const GUID MEDIASUBTYPE_AnalogVideo_SECAM_B = {0x482ddf0, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
- const GUID MEDIASUBTYPE_AnalogVideo_SECAM_D = {0x482ddf1, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
- const GUID MEDIASUBTYPE_AnalogVideo_SECAM_G = {0x482ddf2, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
- const GUID MEDIASUBTYPE_AnalogVideo_SECAM_H = {0x482ddf3, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
- const GUID MEDIASUBTYPE_AnalogVideo_SECAM_K = {0x482ddf4, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
- const GUID MEDIASUBTYPE_AnalogVideo_SECAM_K1 = {0x482ddf5, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
- const GUID MEDIASUBTYPE_AnalogVideo_SECAM_L = {0x482ddf6, 0x7817, 0x11cf, {0x8a, 0x3, 0x0, 0xaa, 0x0, 0x6e, 0xcb, 0x65}};
- const GUID AMPROPSETID_Pin= {0x9b00f101, 0x1567, 0x11d1, {0xb3, 0xf1, 0x0, 0xaa, 0x0, 0x37, 0x61, 0xc5}};
- const GUID PIN_CATEGORY_ANALOGVIDEOIN= {0xfb6c4283, 0x0353, 0x11d1, {0x90, 0x5f, 0x00, 0x00, 0xc0, 0xcc, 0x16, 0xba}};
- const GUID PIN_CATEGORY_CAPTURE= {0xfb6c4281, 0x0353, 0x11d1, {0x90, 0x5f, 0x0, 0x0, 0xc0, 0xcc, 0x16, 0xba}};
- const GUID LOOK_UPSTREAM_ONLY= {0xac798be0, 0x98e3, 0x11d1, {0xb3, 0xf1, 0x0, 0xaa, 0x0, 0x37, 0x61, 0xc}};
- //const GUID GUID_NULL = {0x0000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
- extern const GUID GUID_NULL;
- void WINAPI FreeMediaType( AM_MEDIA_TYPE& mt )
- {
- if( mt.cbFormat != 0 )
- {
- CoTaskMemFree( (PVOID)mt.pbFormat );
- mt.cbFormat = 0;
- mt.pbFormat = NULL;
- }
- if( mt.pUnk != NULL )
- {
- mt.pUnk->Release();
- mt.pUnk = NULL;
- }
- }
- HRESULT WINAPI CopyMediaType( AM_MEDIA_TYPE *pmtTarget,
- const AM_MEDIA_TYPE *pmtSource )
- {
- *pmtTarget = *pmtSource;
- if( !pmtSource || !pmtTarget ) return S_FALSE;
- if( pmtSource->cbFormat && pmtSource->pbFormat )
- {
- pmtTarget->pbFormat = (PBYTE)CoTaskMemAlloc( pmtSource->cbFormat );
- if( pmtTarget->pbFormat == NULL )
- {
- pmtTarget->cbFormat = 0;
- return E_OUTOFMEMORY;
- }
- else
- {
- CopyMemory( (PVOID)pmtTarget->pbFormat, (PVOID)pmtSource->pbFormat,
- pmtTarget->cbFormat );
- }
- }
- if( pmtTarget->pUnk != NULL )
- {
- pmtTarget->pUnk->AddRef();
- }
- return S_OK;
- }
- int GetFourCCFromMediaType( const AM_MEDIA_TYPE &media_type )
- {
- int i_fourcc = 0;
- if( media_type.majortype == MEDIATYPE_Video )
- {
- /* currently only support this type of video info format */
- if( 1 /* media_type.formattype == FORMAT_VideoInfo */ )
- {
- /* Packed RGB formats */
- if( media_type.subtype == MEDIASUBTYPE_RGB1 )
- i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '1' );
- else if( media_type.subtype == MEDIASUBTYPE_RGB4 )
- i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '4' );
- else if( media_type.subtype == MEDIASUBTYPE_RGB8 )
- i_fourcc = VLC_FOURCC( 'R', 'G', 'B', '8' );
- else if( media_type.subtype == MEDIASUBTYPE_RGB555 )
- i_fourcc = VLC_FOURCC( 'R', 'V', '1', '5' );
- else if( media_type.subtype == MEDIASUBTYPE_RGB565 )
- i_fourcc = VLC_FOURCC( 'R', 'V', '1', '6' );
- else if( media_type.subtype == MEDIASUBTYPE_RGB24 )
- i_fourcc = VLC_FOURCC( 'R', 'V', '2', '4' );
- else if( media_type.subtype == MEDIASUBTYPE_RGB32 )
- i_fourcc = VLC_FOURCC( 'R', 'V', '3', '2' );
- else if( media_type.subtype == MEDIASUBTYPE_ARGB32 )
- i_fourcc = VLC_FOURCC( 'R', 'G', 'B', 'A' );
- /* Planar YUV formats */
- else if( media_type.subtype == MEDIASUBTYPE_I420 )
- i_fourcc = VLC_FOURCC( 'I', '4', '2', '0' );
- else if( media_type.subtype == MEDIASUBTYPE_Y41P )
- i_fourcc = VLC_FOURCC( 'I', '4', '1', '1' );
- else if( media_type.subtype == MEDIASUBTYPE_YV12 )
- i_fourcc = VLC_FOURCC( 'Y', 'V', '1', '2' );
- else if( media_type.subtype == MEDIASUBTYPE_IYUV )
- i_fourcc = VLC_FOURCC( 'Y', 'V', '1', '2' );
- else if( media_type.subtype == MEDIASUBTYPE_YVU9 )
- i_fourcc = VLC_FOURCC( 'Y', 'V', 'U', '9' );
- /* Packed YUV formats */
- else if( media_type.subtype == MEDIASUBTYPE_YVYU )
- i_fourcc = VLC_FOURCC( 'Y', 'V', 'Y', 'U' );
- else if( media_type.subtype == MEDIASUBTYPE_YUYV )
- i_fourcc = VLC_FOURCC( 'Y', 'U', 'Y', '2' );
- else if( media_type.subtype == MEDIASUBTYPE_Y411 )
- i_fourcc = VLC_FOURCC( 'I', '4', '1', 'N' );
- else if( media_type.subtype == MEDIASUBTYPE_Y211 )
- i_fourcc = VLC_FOURCC( 'Y', '2', '1', '1' );
- else if( media_type.subtype == MEDIASUBTYPE_YUY2 )
- i_fourcc = VLC_FOURCC( 'Y', 'U', 'Y', '2' );
- else if( media_type.subtype == MEDIASUBTYPE_UYVY )
- i_fourcc = VLC_FOURCC( 'U', 'Y', 'V', 'Y' );
- /* HDYC uses UYVY sample positions but Rec709 colourimetry */
- /* FIXME: When VLC understands colourspace, something will need
- * to be added / changed here. Until then, just make it behave
- * like UYVY */
- else if( media_type.subtype == MEDIASUBTYPE_HDYC )
- i_fourcc = VLC_FOURCC( 'U', 'Y', 'V', 'Y');
- /* MPEG2 video elementary stream */
- else if( media_type.subtype == MEDIASUBTYPE_MPEG2_VIDEO )
- i_fourcc = VLC_FOURCC( 'm', 'p', '2', 'v' );
- /* DivX video */
- else if( media_type.subtype == MEDIASUBTYPE_DIVX )
- i_fourcc = VLC_FOURCC( 'D', 'I', 'V', 'X' );
- /* DV formats */
- else if( media_type.subtype == MEDIASUBTYPE_dvsl )
- i_fourcc = VLC_FOURCC( 'd', 'v', 's', 'l' );
- else if( media_type.subtype == MEDIASUBTYPE_dvsd )
- i_fourcc = VLC_FOURCC( 'd', 'v', 's', 'd' );
- else if( media_type.subtype == MEDIASUBTYPE_dvhd )
- i_fourcc = VLC_FOURCC( 'd', 'v', 'h', 'd' );
- /* MJPEG format */
- else if( media_type.subtype == MEDIASUBTYPE_MJPG )
- i_fourcc = VLC_FOURCC( 'M', 'J', 'P', 'G' );
- }
- }
- else if( media_type.majortype == MEDIATYPE_Audio )
- {
- /* currently only support this type of audio info format */
- if( media_type.formattype == FORMAT_WaveFormatEx )
- {
- if( media_type.subtype == MEDIASUBTYPE_PCM )
- i_fourcc = VLC_FOURCC( 'a', 'r', 'a', 'w' );
- else if( media_type.subtype == MEDIASUBTYPE_IEEE_FLOAT )
- i_fourcc = VLC_FOURCC( 'f', 'l', '3', '2' );
- }
- }
- else if( media_type.majortype == MEDIATYPE_Stream )
- {
- if( media_type.subtype == MEDIASUBTYPE_MPEG2_PROGRAM )
- i_fourcc = VLC_FOURCC( 'm', 'p', '2', 'p' );
- else if( media_type.subtype == MEDIASUBTYPE_MPEG2_TRANSPORT )
- i_fourcc = VLC_FOURCC( 'm', 'p', '2', 't' );
- }
- return i_fourcc;
- }
- /****************************************************************************
- * Implementation of our dummy directshow filter pin class
- ****************************************************************************/
- CapturePin::CapturePin( vlc_object_t *_p_input, access_sys_t *_p_sys,
- CaptureFilter *_p_filter,
- AM_MEDIA_TYPE *mt, size_t mt_count )
- : p_input( _p_input ), p_sys( _p_sys ), p_filter( _p_filter ),
- p_connected_pin( NULL ), media_types(mt), media_type_count(mt_count),
- i_ref( 1 )
- {
- cx_media_type.majortype = mt[0].majortype;
- cx_media_type.subtype = GUID_NULL;
- cx_media_type.pbFormat = NULL;
- cx_media_type.cbFormat = 0;
- cx_media_type.pUnk = NULL;
- }
- CapturePin::~CapturePin()
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CapturePin::~CapturePin" );
- #endif
- for( size_t c=0; c<media_type_count; c++ )
- {
- FreeMediaType(media_types[c]);
- }
- FreeMediaType(cx_media_type);
- }
- /**
- * Returns the complete queue of samples that have been received so far.
- * Lock the p_sys->lock before calling this function.
- * @param samples_queue [out] Empty queue that will get all elements from
- * the pin queue.
- * @return S_OK if a sample was available, S_FALSE if no sample was
- * available
- */
- HRESULT CapturePin::CustomGetSamples( deque<VLCMediaSample> &external_queue )
- {
- #if 0 //def DEBUG_DSHOW
- msg_Dbg( p_input, "CapturePin::CustomGetSamples: %d samples in the queue", samples_queue.size());
- #endif
- if( !samples_queue.empty() )
- {
- external_queue.swap(samples_queue);
- return S_OK;
- }
- return S_FALSE;
- }
- /**
- * Returns a sample from its sample queue. Proper locking must be done prior
- * to this call. Current dshow code protects the access to any sample queue
- * (audio and video) with the p_sys->lock
- * @param vlc_sample [out] Address of a sample if sucessfull. Undefined
- * otherwise.
- * @return S_OK if a sample was available, S_FALSE if no sample was
- * available
- */
- HRESULT CapturePin::CustomGetSample( VLCMediaSample *vlc_sample )
- {
- #if 0 //def DEBUG_DSHOW
- msg_Dbg( p_input, "CapturePin::CustomGetSample" );
- #endif
- if( samples_queue.size() )
- {
- *vlc_sample = samples_queue.back();
- samples_queue.pop_back();
- return S_OK;
- }
- return S_FALSE;
- }
- AM_MEDIA_TYPE &CapturePin::CustomGetMediaType()
- {
- return cx_media_type;
- }
- /* IUnknown methods */
- STDMETHODIMP CapturePin::QueryInterface(REFIID riid, void **ppv)
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CapturePin::QueryInterface" );
- #endif
- if( riid == IID_IUnknown ||
- riid == IID_IPin )
- {
- AddRef();
- *ppv = (IPin *)this;
- return NOERROR;
- }
- if( riid == IID_IMemInputPin )
- {
- AddRef();
- *ppv = (IMemInputPin *)this;
- return NOERROR;
- }
- else
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CapturePin::QueryInterface() failed for: "
- "%04X-%02X-%02X-%02X%02X%02X%02X%02X%02X%02X%02X",
- (int)riid.Data1, (int)riid.Data2, (int)riid.Data3,
- static_cast<int>(riid.Data4[0]), (int)riid.Data4[1],
- (int)riid.Data4[2], (int)riid.Data4[3],
- (int)riid.Data4[4], (int)riid.Data4[5],
- (int)riid.Data4[6], (int)riid.Data4[7] );
- #endif
- *ppv = NULL;
- return E_NOINTERFACE;
- }
- }
- STDMETHODIMP_(ULONG) CapturePin::AddRef()
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CapturePin::AddRef (ref: %i)", i_ref );
- #endif
- return i_ref++;
- };
- STDMETHODIMP_(ULONG) CapturePin::Release()
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CapturePin::Release (ref: %i)", i_ref );
- #endif
- if( !InterlockedDecrement(&i_ref) ) delete this;
- return 0;
- };
- /* IPin methods */
- STDMETHODIMP CapturePin::Connect( IPin * pReceivePin,
- const AM_MEDIA_TYPE *pmt )
- {
- if( State_Running == p_filter->state )
- {
- msg_Dbg( p_input, "CapturePin::Connect [not stopped]" );
- return VFW_E_NOT_STOPPED;
- }
- if( p_connected_pin )
- {
- msg_Dbg( p_input, "CapturePin::Connect [already connected]" );
- return VFW_E_ALREADY_CONNECTED;
- }
- if( !pmt ) return S_OK;
- if( GUID_NULL != pmt->majortype &&
- media_types[0].majortype != pmt->majortype )
- {
- msg_Dbg( p_input, "CapturePin::Connect [media major type mismatch]" );
- return S_FALSE;
- }
- if( GUID_NULL != pmt->subtype && !GetFourCCFromMediaType(*pmt) )
- {
- msg_Dbg( p_input, "CapturePin::Connect [media subtype type "
- "not supported]" );
- return S_FALSE;
- }
- if( pmt->pbFormat && pmt->majortype == MEDIATYPE_Video )
- {
- if( !((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight ||
- !((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth )
- {
- msg_Dbg( p_input, "CapturePin::Connect "
- "[video width/height == 0 ]" );
- return S_FALSE;
- }
- }
- msg_Dbg( p_input, "CapturePin::Connect [OK]" );
- return S_OK;
- }
- STDMETHODIMP CapturePin::ReceiveConnection( IPin * pConnector,
- const AM_MEDIA_TYPE *pmt )
- {
- if( State_Stopped != p_filter->state )
- {
- msg_Dbg( p_input, "CapturePin::ReceiveConnection [not stopped]" );
- return VFW_E_NOT_STOPPED;
- }
- if( !pConnector || !pmt )
- {
- msg_Dbg( p_input, "CapturePin::ReceiveConnection [null pointer]" );
- return E_POINTER;
- }
- if( p_connected_pin )
- {
- msg_Dbg( p_input, "CapturePin::ReceiveConnection [already connected]");
- return VFW_E_ALREADY_CONNECTED;
- }
- if( S_OK != QueryAccept(pmt) )
- {
- msg_Dbg( p_input, "CapturePin::ReceiveConnection "
- "[media type not accepted]" );
- return VFW_E_TYPE_NOT_ACCEPTED;
- }
- msg_Dbg( p_input, "CapturePin::ReceiveConnection [OK]" );
- p_connected_pin = pConnector;
- p_connected_pin->AddRef();
- FreeMediaType( cx_media_type );
- return CopyMediaType( &cx_media_type, pmt );
- }
- STDMETHODIMP CapturePin::Disconnect()
- {
- if( ! p_connected_pin )
- {
- msg_Dbg( p_input, "CapturePin::Disconnect [not connected]" );
- return S_FALSE;
- }
- msg_Dbg( p_input, "CapturePin::Disconnect [OK]" );
- /* samples_queue was already flushed in EndFlush() */
- p_connected_pin->Release();
- p_connected_pin = NULL;
- //FreeMediaType( cx_media_type );
- //cx_media_type.subtype = GUID_NULL;
- return S_OK;
- }
- STDMETHODIMP CapturePin::ConnectedTo( IPin **pPin )
- {
- if( !p_connected_pin )
- {
- msg_Dbg( p_input, "CapturePin::ConnectedTo [not connected]" );
- return VFW_E_NOT_CONNECTED;
- }
- p_connected_pin->AddRef();
- *pPin = p_connected_pin;
- msg_Dbg( p_input, "CapturePin::ConnectedTo [OK]" );
- return S_OK;
- }
- STDMETHODIMP CapturePin::ConnectionMediaType( AM_MEDIA_TYPE *pmt )
- {
- if( !p_connected_pin )
- {
- msg_Dbg( p_input, "CapturePin::ConnectionMediaType [not connected]" );
- return VFW_E_NOT_CONNECTED;
- }
- return CopyMediaType( pmt, &cx_media_type );
- }
- STDMETHODIMP CapturePin::QueryPinInfo( PIN_INFO * pInfo )
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CapturePin::QueryPinInfo" );
- #endif
- pInfo->pFilter = p_filter;
- if( p_filter ) p_filter->AddRef();
- memcpy(pInfo->achName, PIN_NAME, sizeof(PIN_NAME));
- pInfo->dir = PINDIR_INPUT;
- return NOERROR;
- }
- STDMETHODIMP CapturePin::QueryDirection( PIN_DIRECTION * pPinDir )
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CapturePin::QueryDirection" );
- #endif
- *pPinDir = PINDIR_INPUT;
- return NOERROR;
- }
- STDMETHODIMP CapturePin::QueryId( LPWSTR * Id )
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CapturePin::QueryId" );
- #endif
- *Id = L"VideoLAN Capture Pin";
- return S_OK;
- }
- STDMETHODIMP CapturePin::QueryAccept( const AM_MEDIA_TYPE *pmt )
- {
- if( State_Stopped != p_filter->state )
- {
- msg_Dbg( p_input, "CapturePin::QueryAccept [not stopped]" );
- return S_FALSE;
- }
- if( media_types[0].majortype != pmt->majortype )
- {
- msg_Dbg( p_input, "CapturePin::QueryAccept [media type mismatch]" );
- return S_FALSE;
- }
- int i_fourcc = GetFourCCFromMediaType(*pmt);
- if( !i_fourcc )
- {
- msg_Dbg( p_input, "CapturePin::QueryAccept "
- "[media type not supported]" );
- return S_FALSE;
- }
- if( pmt->majortype == MEDIATYPE_Video )
- {
- if( pmt->pbFormat &&
- ( (((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight == 0) ||
- (((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth == 0) ) )
- {
- msg_Dbg( p_input, "CapturePin::QueryAccept [video size wxh == 0]");
- return S_FALSE;
- }
- msg_Dbg( p_input, "CapturePin::QueryAccept [OK] "
- "(width=%ld, height=%ld, chroma=%4.4s, fps=%f)",
- ((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth,
- ((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight,
- (char *)&i_fourcc,
- 10000000.0f/((float)((VIDEOINFOHEADER *)pmt->pbFormat)->AvgTimePerFrame) );
- }
- else if( pmt->majortype == MEDIATYPE_Audio )
- {
- msg_Dbg( p_input, "CapturePin::QueryAccept [OK] (channels=%d, "
- "samples/sec=%lu, bits/samples=%d, format=%4.4s)",
- ((WAVEFORMATEX *)pmt->pbFormat)->nChannels,
- ((WAVEFORMATEX *)pmt->pbFormat)->nSamplesPerSec,
- ((WAVEFORMATEX *)pmt->pbFormat)->wBitsPerSample,
- (char *)&i_fourcc );
- }
- else
- {
- msg_Dbg( p_input, "CapturePin::QueryAccept [OK] (stream format=%4.4s)",
- (char *)&i_fourcc );
- }
- if( p_connected_pin )
- {
- FreeMediaType( cx_media_type );
- CopyMediaType( &cx_media_type, pmt );
- }
- return S_OK;
- }
- STDMETHODIMP CapturePin::EnumMediaTypes( IEnumMediaTypes **ppEnum )
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CapturePin::EnumMediaTypes" );
- #endif
- *ppEnum = new CaptureEnumMediaTypes( p_input, this, NULL );
- if( *ppEnum == NULL ) return E_OUTOFMEMORY;
- return NOERROR;
- }
- STDMETHODIMP CapturePin::QueryInternalConnections( IPin* *apPin, ULONG *nPin )
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CapturePin::QueryInternalConnections" );
- #endif
- return E_NOTIMPL;
- }
- STDMETHODIMP CapturePin::EndOfStream( void )
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CapturePin::EndOfStream" );
- #endif
- return S_OK;
- }
- STDMETHODIMP CapturePin::BeginFlush( void )
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CapturePin::BeginFlush" );
- #endif
- return S_OK;
- }
- STDMETHODIMP CapturePin::EndFlush( void )
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CapturePin::EndFlush" );
- #endif
- VLCMediaSample vlc_sample;
- vlc_mutex_lock( &p_sys->lock );
- while( samples_queue.size() )
- {
- vlc_sample = samples_queue.back();
- samples_queue.pop_back();
- vlc_sample.p_sample->Release();
- }
- vlc_mutex_unlock( &p_sys->lock );
- return S_OK;
- }
- STDMETHODIMP CapturePin::NewSegment( REFERENCE_TIME tStart,
- REFERENCE_TIME tStop,
- double dRate )
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CapturePin::NewSegment" );
- #endif
- return S_OK;
- }
- /* IMemInputPin methods */
- STDMETHODIMP CapturePin::GetAllocator( IMemAllocator **ppAllocator )
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CapturePin::GetAllocator" );
- #endif
- return VFW_E_NO_ALLOCATOR;
- }
- STDMETHODIMP CapturePin::NotifyAllocator( IMemAllocator *pAllocator,
- BOOL bReadOnly )
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CapturePin::NotifyAllocator" );
- #endif
- return S_OK;
- }
- STDMETHODIMP CapturePin::GetAllocatorRequirements( ALLOCATOR_PROPERTIES *pProps )
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CapturePin::GetAllocatorRequirements" );
- #endif
- return E_NOTIMPL;
- }
- STDMETHODIMP CapturePin::Receive( IMediaSample *pSample )
- {
- #if 0 //def DEBUG_DSHOW
- msg_Dbg( p_input, "CapturePin::Receive" );
- #endif
- pSample->AddRef();
- mtime_t i_timestamp = mdate() * 10;
- VLCMediaSample vlc_sample = {pSample, i_timestamp};
- vlc_mutex_lock( &p_sys->lock );
- samples_queue.push_front( vlc_sample );
- /* Make sure we don't cache too many samples */
- if( samples_queue.size() > 10 )
- {
- vlc_sample = samples_queue.back();
- samples_queue.pop_back();
- msg_Dbg( p_input, "CapturePin::Receive trashing late input sample" );
- vlc_sample.p_sample->Release();
- }
- vlc_cond_signal( &p_sys->wait );
- vlc_mutex_unlock( &p_sys->lock );
- return S_OK;
- }
- STDMETHODIMP CapturePin::ReceiveMultiple( IMediaSample **pSamples,
- long nSamples,
- long *nSamplesProcessed )
- {
- HRESULT hr = S_OK;
- *nSamplesProcessed = 0;
- while( nSamples-- > 0 )
- {
- hr = Receive( pSamples[*nSamplesProcessed] );
- if( hr != S_OK ) break;
- (*nSamplesProcessed)++;
- }
- return hr;
- }
- STDMETHODIMP CapturePin::ReceiveCanBlock( void )
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CapturePin::ReceiveCanBlock" );
- #endif
- return S_FALSE; /* Thou shalt not block */
- }
- /****************************************************************************
- * Implementation of our dummy directshow filter class
- ****************************************************************************/
- CaptureFilter::CaptureFilter( vlc_object_t *_p_input, access_sys_t *p_sys,
- AM_MEDIA_TYPE *mt, size_t mt_count )
- : p_input( _p_input ),
- p_pin( new CapturePin( _p_input, p_sys, this, mt, mt_count ) ),
- state( State_Stopped ), i_ref( 1 )
- {
- }
- CaptureFilter::~CaptureFilter()
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CaptureFilter::~CaptureFilter" );
- #endif
- p_pin->Release();
- }
- /* IUnknown methods */
- STDMETHODIMP CaptureFilter::QueryInterface( REFIID riid, void **ppv )
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CaptureFilter::QueryInterface" );
- #endif
- if( riid == IID_IUnknown )
- {
- AddRef();
- *ppv = (IUnknown *)this;
- return NOERROR;
- }
- if( riid == IID_IPersist )
- {
- AddRef();
- *ppv = (IPersist *)this;
- return NOERROR;
- }
- if( riid == IID_IMediaFilter )
- {
- AddRef();
- *ppv = (IMediaFilter *)this;
- return NOERROR;
- }
- if( riid == IID_IBaseFilter )
- {
- AddRef();
- *ppv = (IBaseFilter *)this;
- return NOERROR;
- }
- else
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CaptureFilter::QueryInterface() failed for: "
- "%04X-%02X-%02X-%02X%02X%02X%02X%02X%02X%02X%02X",
- (int)riid.Data1, (int)riid.Data2, (int)riid.Data3,
- static_cast<int>(riid.Data4[0]), (int)riid.Data4[1],
- (int)riid.Data4[2], (int)riid.Data4[3],
- (int)riid.Data4[4], (int)riid.Data4[5],
- (int)riid.Data4[6], (int)riid.Data4[7] );
- #endif
- *ppv = NULL;
- return E_NOINTERFACE;
- }
- };
- STDMETHODIMP_(ULONG) CaptureFilter::AddRef()
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CaptureFilter::AddRef (ref: %i)", i_ref );
- #endif
- return i_ref++;
- };
- STDMETHODIMP_(ULONG) CaptureFilter::Release()
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CaptureFilter::Release (ref: %i)", i_ref );
- #endif
- if( !InterlockedDecrement(&i_ref) ) delete this;
- return 0;
- };
- /* IPersist method */
- STDMETHODIMP CaptureFilter::GetClassID(CLSID *pClsID)
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CaptureFilter::GetClassID" );
- #endif
- return E_NOTIMPL;
- };
- /* IMediaFilter methods */
- STDMETHODIMP CaptureFilter::GetState(DWORD dwMSecs, FILTER_STATE *State)
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CaptureFilter::GetState %i", state );
- #endif
- *State = state;
- return S_OK;
- };
- STDMETHODIMP CaptureFilter::SetSyncSource(IReferenceClock *pClock)
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CaptureFilter::SetSyncSource" );
- #endif
- return S_OK;
- };
- STDMETHODIMP CaptureFilter::GetSyncSource(IReferenceClock **pClock)
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CaptureFilter::GetSyncSource" );
- #endif
- *pClock = NULL;
- return NOERROR;
- };
- STDMETHODIMP CaptureFilter::Stop()
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CaptureFilter::Stop" );
- #endif
- p_pin->EndFlush();
- state = State_Stopped;
- return S_OK;
- };
- STDMETHODIMP CaptureFilter::Pause()
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CaptureFilter::Pause" );
- #endif
- state = State_Paused;
- return S_OK;
- };
- STDMETHODIMP CaptureFilter::Run(REFERENCE_TIME tStart)
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CaptureFilter::Run" );
- #endif
- state = State_Running;
- return S_OK;
- };
- /* IBaseFilter methods */
- STDMETHODIMP CaptureFilter::EnumPins( IEnumPins ** ppEnum )
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CaptureFilter::EnumPins" );
- #endif
- /* Create a new ref counted enumerator */
- *ppEnum = new CaptureEnumPins( p_input, this, NULL );
- return *ppEnum == NULL ? E_OUTOFMEMORY : NOERROR;
- };
- STDMETHODIMP CaptureFilter::FindPin( LPCWSTR Id, IPin ** ppPin )
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CaptureFilter::FindPin" );
- #endif
- return E_NOTIMPL;
- };
- STDMETHODIMP CaptureFilter::QueryFilterInfo( FILTER_INFO * pInfo )
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CaptureFilter::QueryFilterInfo" );
- #endif
- memcpy(pInfo->achName, FILTER_NAME, sizeof(FILTER_NAME));
- pInfo->pGraph = p_graph;
- if( p_graph ) p_graph->AddRef();
- return NOERROR;
- };
- STDMETHODIMP CaptureFilter::JoinFilterGraph( IFilterGraph * pGraph,
- LPCWSTR pName )
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CaptureFilter::JoinFilterGraph" );
- #endif
- p_graph = pGraph;
- return NOERROR;
- };
- STDMETHODIMP CaptureFilter::QueryVendorInfo( LPWSTR* pVendorInfo )
- {
- #ifdef DEBUG_DSHOW
- msg_Dbg( p_input, "CaptureFilter::QueryVendorInfo" );
- #endif
- return E_NOTIMPL;
- };
- /* Custom methods */
- CapturePin *CaptureFilter::CustomGetPin()
- {
- return p_pin;
- }
- /****************************************************************************
- * Implementation of our dummy directshow enumpins class
- ****************************************************************************/
- CaptureEnumPins::CaptureEnumPins( vlc_object_t *_p_input,
- CaptureFilter *_p_filter,
- CaptureEnumPins *pEnumPins )
- : p_input( _p_input ), p_filter( _p_filter ), i_ref( 1 )
- {
- /* Hold a reference count on our filter */
- p_filter->AddRef();
- /* Are we creating a new enumerator */
- if( pEnumPins == NULL )
- {
- i_position = 0;
- }
- else
- {
- i_position = pEnumPins->i_position;
- }
- }
- CaptureEnumPins::~CaptureEnumPins()
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CaptureEnumPins::~CaptureEnumPins" );
- #endif
- p_filter->Release();
- }
- /* IUnknown methods */
- STDMETHODIMP CaptureEnumPins::QueryInterface( REFIID riid, void **ppv )
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CaptureEnumPins::QueryInterface" );
- #endif
- if( riid == IID_IUnknown ||
- riid == IID_IEnumPins )
- {
- AddRef();
- *ppv = (IEnumPins *)this;
- return NOERROR;
- }
- else
- {
- *ppv = NULL;
- return E_NOINTERFACE;
- }
- };
- STDMETHODIMP_(ULONG) CaptureEnumPins::AddRef()
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CaptureEnumPins::AddRef (ref: %i)", i_ref );
- #endif
- return i_ref++;
- };
- STDMETHODIMP_(ULONG) CaptureEnumPins::Release()
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CaptureEnumPins::Release (ref: %i)", i_ref );
- #endif
- if( !InterlockedDecrement(&i_ref) ) delete this;
- return 0;
- };
- /* IEnumPins */
- STDMETHODIMP CaptureEnumPins::Next( ULONG cPins, IPin ** ppPins,
- ULONG * pcFetched )
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CaptureEnumPins::Next" );
- #endif
- unsigned int i_fetched = 0;
- if( i_position < 1 && cPins > 0 )
- {
- IPin *pPin = p_filter->CustomGetPin();
- *ppPins = pPin;
- pPin->AddRef();
- i_fetched = 1;
- i_position++;
- }
- if( pcFetched ) *pcFetched = i_fetched;
- return (i_fetched == cPins) ? S_OK : S_FALSE;
- };
- STDMETHODIMP CaptureEnumPins::Skip( ULONG cPins )
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CaptureEnumPins::Skip" );
- #endif
- i_position += cPins;
- if( i_position > 1 )
- {
- return S_FALSE;
- }
- return S_OK;
- };
- STDMETHODIMP CaptureEnumPins::Reset()
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CaptureEnumPins::Reset" );
- #endif
- i_position = 0;
- return S_OK;
- };
- STDMETHODIMP CaptureEnumPins::Clone( IEnumPins **ppEnum )
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CaptureEnumPins::Clone" );
- #endif
- *ppEnum = new CaptureEnumPins( p_input, p_filter, this );
- if( *ppEnum == NULL ) return E_OUTOFMEMORY;
- return NOERROR;
- };
- /****************************************************************************
- * Implementation of our dummy directshow enummediatypes class
- ****************************************************************************/
- CaptureEnumMediaTypes::CaptureEnumMediaTypes( vlc_object_t *_p_input,
- CapturePin *_p_pin, CaptureEnumMediaTypes *pEnumMediaTypes )
- : p_input( _p_input ), p_pin( _p_pin ), i_ref( 1 )
- {
- /* Hold a reference count on our filter */
- p_pin->AddRef();
- /* Are we creating a new enumerator */
- if( pEnumMediaTypes == NULL )
- {
- CopyMediaType(&cx_media_type, &p_pin->cx_media_type);
- i_position = 0;
- }
- else
- {
- CopyMediaType(&cx_media_type, &pEnumMediaTypes->cx_media_type);
- i_position = pEnumMediaTypes->i_position;
- }
- }
- CaptureEnumMediaTypes::~CaptureEnumMediaTypes()
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CaptureEnumMediaTypes::~CaptureEnumMediaTypes" );
- #endif
- FreeMediaType(cx_media_type);
- p_pin->Release();
- }
- /* IUnknown methods */
- STDMETHODIMP CaptureEnumMediaTypes::QueryInterface( REFIID riid, void **ppv )
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CaptureEnumMediaTypes::QueryInterface" );
- #endif
- if( riid == IID_IUnknown ||
- riid == IID_IEnumMediaTypes )
- {
- AddRef();
- *ppv = (IEnumMediaTypes *)this;
- return NOERROR;
- }
- else
- {
- *ppv = NULL;
- return E_NOINTERFACE;
- }
- };
- STDMETHODIMP_(ULONG) CaptureEnumMediaTypes::AddRef()
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CaptureEnumMediaTypes::AddRef (ref: %i)", i_ref );
- #endif
- return i_ref++;
- };
- STDMETHODIMP_(ULONG) CaptureEnumMediaTypes::Release()
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CaptureEnumMediaTypes::Release (ref: %i)", i_ref );
- #endif
- if( !InterlockedDecrement(&i_ref) ) delete this;
- return 0;
- };
- /* IEnumMediaTypes */
- STDMETHODIMP CaptureEnumMediaTypes::Next( ULONG cMediaTypes,
- AM_MEDIA_TYPE ** ppMediaTypes,
- ULONG * pcFetched )
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CaptureEnumMediaTypes::Next " );
- #endif
- ULONG copied = 0;
- ULONG offset = 0;
- ULONG max = p_pin->media_type_count;
- if( ! ppMediaTypes )
- return E_POINTER;
- if( (! pcFetched) && (cMediaTypes > 1) )
- return E_POINTER;
- /*
- ** use connection media type as first entry in iterator if it exists
- */
- copied = 0;
- if( cx_media_type.subtype != GUID_NULL )
- {
- ++max;
- if( i_position == 0 )
- {
- ppMediaTypes[copied] =
- (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
- if( CopyMediaType(ppMediaTypes[copied], &cx_media_type) != S_OK )
- return E_OUTOFMEMORY;
- ++i_position;
- ++copied;
- }
- }
- while( (copied < cMediaTypes) && (i_position < max) )
- {
- ppMediaTypes[copied] =
- (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
- if( CopyMediaType( ppMediaTypes[copied],
- &p_pin->media_types[i_position-offset]) != S_OK )
- return E_OUTOFMEMORY;
- ++copied;
- ++i_position;
- }
- if( pcFetched ) *pcFetched = copied;
- return (copied == cMediaTypes) ? S_OK : S_FALSE;
- };
- STDMETHODIMP CaptureEnumMediaTypes::Skip( ULONG cMediaTypes )
- {
- ULONG max = p_pin->media_type_count;
- if( cx_media_type.subtype != GUID_NULL )
- {
- max = 1;
- }
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CaptureEnumMediaTypes::Skip" );
- #endif
- i_position += cMediaTypes;
- return (i_position < max) ? S_OK : S_FALSE;
- };
- STDMETHODIMP CaptureEnumMediaTypes::Reset()
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CaptureEnumMediaTypes::Reset" );
- #endif
- FreeMediaType(cx_media_type);
- CopyMediaType(&cx_media_type, &p_pin->cx_media_type);
- i_position = 0;
- return S_OK;
- };
- STDMETHODIMP CaptureEnumMediaTypes::Clone( IEnumMediaTypes **ppEnum )
- {
- #ifdef DEBUG_DSHOW_L1
- msg_Dbg( p_input, "CaptureEnumMediaTypes::Clone" );
- #endif
- *ppEnum = new CaptureEnumMediaTypes( p_input, p_pin, this );
- if( *ppEnum == NULL ) return E_OUTOFMEMORY;
- return NOERROR;
- };