filter.cpp 40.6 KB
Newer Older
gbazin's avatar
   
gbazin committed
1
2
3
4
/*****************************************************************************
 * filter.c : DirectShow access module for vlc
 *****************************************************************************
 * Copyright (C) 2002 VideoLAN
5
 * $Id$
gbazin's avatar
   
gbazin committed
6
 *
7
 * Author: Gildas Bazin <gbazin@videolan.org>
gbazin's avatar
   
gbazin committed
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
 *
 * 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 <stdlib.h>
#include <stdio.h>
#include <string.h>

#include <vlc/vlc.h>
#include <vlc/input.h>
#include <vlc/vout.h>

35
36
37
38
39
#ifndef _MSC_VER
    /* Work-around a bug in w32api-2.5 */
#   define QACONTAINERFLAGS QACONTAINERFLAGS_SOMETHINGELSE
#endif

gbazin's avatar
gbazin committed
40
#include "common.h"
gbazin's avatar
   
gbazin committed
41
42
43
44
#include "filter.h"

#define DEBUG_DSHOW 1

45
46
47
#define FILTER_NAME  L"VideoLAN Capture Filter"
#define PIN_NAME     L"Capture"

gbazin's avatar
   
gbazin committed
48
49
50
51
52
53
/*****************************************************************************
 * DirectShow GUIDs.
 * Easier to define them hear 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}};
gbazin's avatar
   
gbazin committed
54
const GUID CLSID_AudioInputDeviceCategory = {0x33d9a762, 0x90c8, 0x11d0, {0xbd, 0x43, 0x00, 0xa0, 0xc9, 0x11, 0xce, 0x86}};
55
56
//const GUID IID_IPropertyBag = {0x55272A00, 0x42CB, 0x11CE, {0x81, 0x35, 0x00, 0xAA, 0x00, 0x4B, 0xB8, 0x51}};
extern const GUID IID_IPropertyBag;
gbazin's avatar
   
gbazin committed
57
58
59
60
61
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}};

62
63
64
65
//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;
gbazin's avatar
   
gbazin committed
66
67
68
69
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}};
70
extern const GUID IID_IMemInputPin;
gbazin's avatar
   
gbazin committed
71
72
73
74

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}};

75
76
const GUID IID_IAMBufferNegotiation = {0x56ed71a0, 0xaf5f, 0x11d0, {0xb3, 0xf0, 0x00, 0xaa, 0x00, 0x37, 0x61, 0xc5}};

77
78
//const GUID IID_ISpecifyPropertyPages = {0xb196b28b, 0xbab4, 0x101a, {0xb6, 0x9c, 0x00, 0xaa, 0x00, 0x34, 0x1d, 0x07}};
extern const GUID IID_ISpecifyPropertyPages;
gbazin's avatar
   
gbazin committed
79

80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
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}};

95
/* Video Format */
96

97
const GUID FORMAT_VideoInfo  = {0x05589f80, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
gbazin's avatar
   
gbazin committed
98
99
100
101
/*
 * MEDIATYPEs and MEDIASUBTYPEs
 */
const GUID MEDIATYPE_Video = {0x73646976, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
102
const GUID MEDIATYPE_Interleaved = {0x73766169, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
gbazin's avatar
   
gbazin committed
103
const GUID MEDIATYPE_Stream = {0xe436eb83, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
104
const GUID MEDIASUBTYPE_PREVIEW_VIDEO = {0x2859e1da, 0xb81f, 0x4fbd, {0x94, 0x3b, 0xe2, 0x37, 0x24, 0xa1, 0xab, 0xb3}};
gbazin's avatar
   
gbazin committed
105

gbazin's avatar
   
gbazin committed
106
107
108
/* 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}};
gbazin's avatar
   
gbazin committed
109
110
111
112
113
114
115
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}};

gbazin's avatar
   
gbazin committed
116
/* Packed YUV formats */
gbazin's avatar
   
gbazin committed
117
118
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}};
gbazin's avatar
   
gbazin committed
119
const GUID MEDIASUBTYPE_Y211 = {0x31313259, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
gbazin's avatar
   
gbazin committed
120
121
122
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}};
gbazin's avatar
   
gbazin committed
123
124
125

/* Planar YUV formats */
const GUID MEDIASUBTYPE_YVU9 = {0x39555659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
gbazin's avatar
   
gbazin committed
126
const GUID MEDIASUBTYPE_YV12 = {0x32315659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
gbazin's avatar
   
gbazin committed
127
128
129
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}};
gbazin's avatar
   
gbazin committed
130

gbazin's avatar
   
gbazin committed
131
132
133
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}};
134
const GUID MEDIASUBTYPE_IEEE_FLOAT = {0x00000003, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
gbazin's avatar
   
gbazin committed
135

gbazin's avatar
   
gbazin committed
136
137
138
139
140
/* 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}};

gbazin's avatar
   
gbazin committed
141
142
143
144
145
146
/* 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}};

147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
/* 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}};

174
175
//const GUID GUID_NULL = {0x0000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
extern const GUID GUID_NULL;
gbazin's avatar
   
gbazin committed
176

gbazin's avatar
   
gbazin committed
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
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;
196
197
198
199

    if( !pmtSource || !pmtTarget ) return S_FALSE;

    if( pmtSource->cbFormat && pmtSource->pbFormat )
gbazin's avatar
   
gbazin committed
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
    {
        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;
}

gbazin's avatar
gbazin committed
221
int GetFourCCFromMediaType( const AM_MEDIA_TYPE &media_type )
222
223
224
225
226
{
    int i_fourcc = 0;

    if( media_type.majortype == MEDIATYPE_Video )
    {
227
        /* currently only support this type of video info format */
228
        if( 1 /* media_type.formattype == FORMAT_VideoInfo */ )
gbazin's avatar
gbazin committed
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
        {
            /* 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' );

            /* MPEG2 video elementary stream */
            else if( media_type.subtype == MEDIASUBTYPE_MPEG2_VIDEO )
               i_fourcc = VLC_FOURCC( 'm', 'p', '2', 'v' );

            /* 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' );
        }
286
287
288
    }
    else if( media_type.majortype == MEDIATYPE_Audio )
    {
289
        /* currently only support this type of audio info format */
290
291
292
293
294
295
296
297
298
        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 )
gbazin's avatar
gbazin committed
299
    {
300
        if( media_type.subtype == MEDIASUBTYPE_MPEG2_PROGRAM )
gbazin's avatar
gbazin committed
301
            i_fourcc = VLC_FOURCC( 'm', 'p', '2', 'p' );
302
        else if( media_type.subtype == MEDIASUBTYPE_MPEG2_TRANSPORT )
gbazin's avatar
gbazin committed
303
            i_fourcc = VLC_FOURCC( 'm', 'p', '2', 't' );
304
    }
gbazin's avatar
gbazin committed
305

306
307
308
    return i_fourcc;
}

gbazin's avatar
   
gbazin committed
309
310
311
312
/****************************************************************************
 * Implementation of our dummy directshow filter pin class
 ****************************************************************************/

gbazin's avatar
gbazin committed
313
314
CapturePin::CapturePin( vlc_object_t *_p_input, access_sys_t *_p_sys,
                        CaptureFilter *_p_filter,
315
                        AM_MEDIA_TYPE *mt, size_t mt_count )
gbazin's avatar
gbazin committed
316
317
318
  : 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 )
gbazin's avatar
   
gbazin committed
319
{
320
321
322
    cx_media_type.majortype = mt[0].majortype;
    cx_media_type.subtype   = GUID_NULL;
    cx_media_type.pbFormat  = NULL;
323
    cx_media_type.cbFormat  = 0;
324
    cx_media_type.pUnk      = NULL;
gbazin's avatar
   
gbazin committed
325
326
327
328
}

CapturePin::~CapturePin()
{
329
330
331
#ifdef DEBUG_DSHOW
    msg_Dbg( p_input, "CapturePin::~CapturePin" );
#endif
332
333
    for( size_t c=0; c<media_type_count; c++ )
    {
334
        FreeMediaType(media_types[c]);
335
336
    }
    FreeMediaType(cx_media_type);
gbazin's avatar
   
gbazin committed
337
338
339
340
}

HRESULT CapturePin::CustomGetSample( VLCMediaSample *vlc_sample )
{
341
342
343
344
345
#if 0 //def DEBUG_DSHOW
    msg_Dbg( p_input, "CapturePin::CustomGetSample" );
#endif

    vlc_mutex_lock( &p_sys->lock );
gbazin's avatar
   
gbazin committed
346
347
348
349
    if( samples_queue.size() )
    {
        *vlc_sample = samples_queue.back();
        samples_queue.pop_back();
350
        vlc_mutex_unlock( &p_sys->lock );
gbazin's avatar
   
gbazin committed
351
352
        return S_OK;
    }
353
    vlc_mutex_unlock( &p_sys->lock );
gbazin's avatar
   
gbazin committed
354
355
356
    return S_FALSE;
}

357
AM_MEDIA_TYPE &CapturePin::CustomGetMediaType()
gbazin's avatar
   
gbazin committed
358
{
359
    return cx_media_type;
gbazin's avatar
   
gbazin committed
360
361
362
363
364
}

/* IUnknown methods */
STDMETHODIMP CapturePin::QueryInterface(REFIID riid, void **ppv)
{
damienf's avatar
damienf committed
365
#ifdef DEBUG_DSHOW_L1
gbazin's avatar
   
gbazin committed
366
367
368
369
370
371
    msg_Dbg( p_input, "CapturePin::QueryInterface" );
#endif

    if( riid == IID_IUnknown ||
        riid == IID_IPin )
    {
gbazin's avatar
   
gbazin committed
372
        AddRef();
gbazin's avatar
   
gbazin committed
373
374
375
376
377
        *ppv = (IPin *)this;
        return NOERROR;
    }
    if( riid == IID_IMemInputPin )
    {
gbazin's avatar
   
gbazin committed
378
        AddRef();
gbazin's avatar
   
gbazin committed
379
380
381
382
383
        *ppv = (IMemInputPin *)this;
        return NOERROR;
    }
    else
    {
damienf's avatar
damienf committed
384
#ifdef DEBUG_DSHOW_L1
385
386
387
388
389
390
391
392
        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
gbazin's avatar
   
gbazin committed
393
394
395
396
        *ppv = NULL;
        return E_NOINTERFACE;
    }
}
397

gbazin's avatar
   
gbazin committed
398
399
STDMETHODIMP_(ULONG) CapturePin::AddRef()
{
400
#ifdef DEBUG_DSHOW_L1
401
    msg_Dbg( p_input, "CapturePin::AddRef (ref: %i)", i_ref );
gbazin's avatar
   
gbazin committed
402
403
#endif

gbazin's avatar
   
gbazin committed
404
    return i_ref++;
gbazin's avatar
   
gbazin committed
405
406
407
};
STDMETHODIMP_(ULONG) CapturePin::Release()
{
408
#ifdef DEBUG_DSHOW_L1
409
    msg_Dbg( p_input, "CapturePin::Release (ref: %i)", i_ref );
gbazin's avatar
   
gbazin committed
410
411
#endif

412
    if( !InterlockedDecrement(&i_ref) ) delete this;
gbazin's avatar
   
gbazin committed
413

414
    return 0;
gbazin's avatar
   
gbazin committed
415
416
417
418
419
420
};

/* IPin methods */
STDMETHODIMP CapturePin::Connect( IPin * pReceivePin,
                                  const AM_MEDIA_TYPE *pmt )
{
gbazin's avatar
gbazin committed
421
    if( State_Running == p_filter->state )
422
    {
gbazin's avatar
gbazin committed
423
424
425
426
427
428
429
430
431
432
433
        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;
434
                
gbazin's avatar
gbazin committed
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
    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;
457
        }
458
    }
gbazin's avatar
gbazin committed
459
460
461

    msg_Dbg( p_input, "CapturePin::Connect [OK]" );
    return S_OK;
gbazin's avatar
   
gbazin committed
462
463
464
465
}
STDMETHODIMP CapturePin::ReceiveConnection( IPin * pConnector,
                                            const AM_MEDIA_TYPE *pmt )
{
466
    if( State_Stopped != p_filter->state )
467
    {
gbazin's avatar
gbazin committed
468
        msg_Dbg( p_input, "CapturePin::ReceiveConnection [not stopped]" );
469
        return VFW_E_NOT_STOPPED;
470
    }
gbazin's avatar
   
gbazin committed
471

472
473
    if( !pConnector || !pmt )
    {
gbazin's avatar
gbazin committed
474
        msg_Dbg( p_input, "CapturePin::ReceiveConnection [null pointer]" );
475
        return E_POINTER;
476
    }
gbazin's avatar
   
gbazin committed
477

478
    if( p_connected_pin )
479
    {
gbazin's avatar
gbazin committed
480
        msg_Dbg( p_input, "CapturePin::ReceiveConnection [already connected]");
481
        return VFW_E_ALREADY_CONNECTED;
482
    }
483
484

    if( S_OK != QueryAccept(pmt) )
485
    {
gbazin's avatar
gbazin committed
486
487
        msg_Dbg( p_input, "CapturePin::ReceiveConnection "
                 "[media type not accepted]" );
488
        return VFW_E_TYPE_NOT_ACCEPTED;
489
490
491
    }

    msg_Dbg( p_input, "CapturePin::ReceiveConnection [OK]" );
gbazin's avatar
   
gbazin committed
492

gbazin's avatar
   
gbazin committed
493
494
    p_connected_pin = pConnector;
    p_connected_pin->AddRef();
gbazin's avatar
   
gbazin committed
495

496
497
    FreeMediaType( cx_media_type );
    return CopyMediaType( &cx_media_type, pmt );
gbazin's avatar
   
gbazin committed
498
499
500
}
STDMETHODIMP CapturePin::Disconnect()
{
501
502
    if( ! p_connected_pin )
    {
gbazin's avatar
gbazin committed
503
504
        msg_Dbg( p_input, "CapturePin::Disconnect [not connected]" );
        return S_FALSE;
505
    }
gbazin's avatar
   
gbazin committed
506

507
    msg_Dbg( p_input, "CapturePin::Disconnect [OK]" );
508

509
    /* samples_queue was already flushed in EndFlush() */
510

511
    p_connected_pin->Release();
gbazin's avatar
   
gbazin committed
512
    p_connected_pin = NULL;
513
514
    //FreeMediaType( cx_media_type );
    //cx_media_type.subtype = GUID_NULL;
515

gbazin's avatar
   
gbazin committed
516
517
518
519
    return S_OK;
}
STDMETHODIMP CapturePin::ConnectedTo( IPin **pPin )
{
520
521
    if( !p_connected_pin )
    {
gbazin's avatar
gbazin committed
522
523
        msg_Dbg( p_input, "CapturePin::ConnectedTo [not connected]" );
        return VFW_E_NOT_CONNECTED;
524
    }
gbazin's avatar
   
gbazin committed
525

gbazin's avatar
   
gbazin committed
526
527
528
    p_connected_pin->AddRef();
    *pPin = p_connected_pin;

529
530
    msg_Dbg( p_input, "CapturePin::ConnectedTo [OK]" );

gbazin's avatar
   
gbazin committed
531
532
533
534
    return S_OK;
}
STDMETHODIMP CapturePin::ConnectionMediaType( AM_MEDIA_TYPE *pmt )
{
535
536
    if( !p_connected_pin )
    {
gbazin's avatar
gbazin committed
537
538
        msg_Dbg( p_input, "CapturePin::ConnectionMediaType [not connected]" );
        return VFW_E_NOT_CONNECTED;
539
    }
540
541

    return CopyMediaType( pmt, &cx_media_type );
gbazin's avatar
   
gbazin committed
542
543
544
545
546
547
548
549
550
551
}
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();

552
    memcpy(pInfo->achName, PIN_NAME, sizeof(PIN_NAME));
gbazin's avatar
   
gbazin committed
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
    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
571
572
573
574

    *Id = L"VideoLAN Capture Pin";

    return S_OK;
gbazin's avatar
   
gbazin committed
575
576
577
}
STDMETHODIMP CapturePin::QueryAccept( const AM_MEDIA_TYPE *pmt )
{
gbazin's avatar
gbazin committed
578
579
580
581
582
583
584
    if( State_Stopped != p_filter->state )
    {
        msg_Dbg( p_input, "CapturePin::QueryAccept [not stopped]" );
        return S_FALSE;
    }

    if( media_types[0].majortype != pmt->majortype )
585
    {
gbazin's avatar
gbazin committed
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
        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) ) )
603
        {
gbazin's avatar
gbazin committed
604
605
            msg_Dbg( p_input, "CapturePin::QueryAccept [video size wxh == 0]");
            return S_FALSE;
606
        }
gbazin's avatar
gbazin committed
607
608
609
610
611
612

        msg_Dbg( p_input, "CapturePin::QueryAccept [OK] "
                 "(width=%ld, height=%ld, chroma=%4.4s)",
                 ((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biWidth,
                 ((VIDEOINFOHEADER *)pmt->pbFormat)->bmiHeader.biHeight,
                 (char *)&i_fourcc );
613
    }
614
    else if( pmt->majortype == MEDIATYPE_Audio )
gbazin's avatar
gbazin committed
615
616
617
618
619
620
621
622
    {
        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 );
    }   
623
624
625
626
627
    else
    {
        msg_Dbg( p_input, "CapturePin::QueryAccept [OK] (stream format=%4.4s)",
                 (char *)&i_fourcc );
    }
gbazin's avatar
gbazin committed
628
629
630
631
632

    if( p_connected_pin )
    {
        FreeMediaType( cx_media_type );
        CopyMediaType( &cx_media_type, pmt );
633
    }
gbazin's avatar
gbazin committed
634
635

    return S_OK;
gbazin's avatar
   
gbazin committed
636
637
638
}
STDMETHODIMP CapturePin::EnumMediaTypes( IEnumMediaTypes **ppEnum )
{
damienf's avatar
damienf committed
639
#ifdef DEBUG_DSHOW_L1
gbazin's avatar
   
gbazin committed
640
641
642
643
644
645
646
647
648
649
650
    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 )
{
damienf's avatar
damienf committed
651
#ifdef DEBUG_DSHOW_L1
gbazin's avatar
   
gbazin committed
652
653
654
655
656
657
658
659
660
    msg_Dbg( p_input, "CapturePin::QueryInternalConnections" );
#endif
    return E_NOTIMPL;
}
STDMETHODIMP CapturePin::EndOfStream( void )
{
#ifdef DEBUG_DSHOW
    msg_Dbg( p_input, "CapturePin::EndOfStream" );
#endif
gbazin's avatar
   
gbazin committed
661
    return S_OK;
gbazin's avatar
   
gbazin committed
662
663
664
665
666
667
}
STDMETHODIMP CapturePin::BeginFlush( void )
{
#ifdef DEBUG_DSHOW
    msg_Dbg( p_input, "CapturePin::BeginFlush" );
#endif
gbazin's avatar
   
gbazin committed
668
    return S_OK;
gbazin's avatar
   
gbazin committed
669
670
671
672
673
674
}
STDMETHODIMP CapturePin::EndFlush( void )
{
#ifdef DEBUG_DSHOW
    msg_Dbg( p_input, "CapturePin::EndFlush" );
#endif
675
676
677
678
679
680
681
682
683
684
685
686

    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 );

gbazin's avatar
   
gbazin committed
687
    return S_OK;
gbazin's avatar
   
gbazin committed
688
689
690
691
692
693
694
695
}
STDMETHODIMP CapturePin::NewSegment( REFERENCE_TIME tStart,
                                     REFERENCE_TIME tStop,
                                     double dRate )
{
#ifdef DEBUG_DSHOW
    msg_Dbg( p_input, "CapturePin::NewSegment" );
#endif
gbazin's avatar
   
gbazin committed
696
    return S_OK;
gbazin's avatar
   
gbazin committed
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
}

/* 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
722

gbazin's avatar
   
gbazin committed
723
724
725
726
    return E_NOTIMPL;
}
STDMETHODIMP CapturePin::Receive( IMediaSample *pSample )
{
727
728
#if 0 //def DEBUG_DSHOW
    msg_Dbg( p_input, "CapturePin::Receive" );
gbazin's avatar
   
gbazin committed
729
730
#endif

gbazin's avatar
   
gbazin committed
731
    pSample->AddRef();
gbazin's avatar
   
gbazin committed
732
733
    mtime_t i_timestamp = mdate() * 10;
    VLCMediaSample vlc_sample = {pSample, i_timestamp};
734
735

    vlc_mutex_lock( &p_sys->lock );
gbazin's avatar
   
gbazin committed
736
737
738
739
740
741
742
743
    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" );
gbazin's avatar
   
gbazin committed
744
        vlc_sample.p_sample->Release();
gbazin's avatar
   
gbazin committed
745
746
    }

747
748
749
    vlc_cond_signal( &p_sys->wait );
    vlc_mutex_unlock( &p_sys->lock );

gbazin's avatar
   
gbazin committed
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
    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
 ****************************************************************************/
gbazin's avatar
gbazin committed
779
780
781
782
783
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 ) 
gbazin's avatar
   
gbazin committed
784
785
786
787
788
{
}

CaptureFilter::~CaptureFilter()
{
789
790
791
#ifdef DEBUG_DSHOW
    msg_Dbg( p_input, "CaptureFilter::~CaptureFilter" );
#endif
gbazin's avatar
   
gbazin committed
792
793
794
795
796
797
    p_pin->Release();
}

/* IUnknown methods */
STDMETHODIMP CaptureFilter::QueryInterface( REFIID riid, void **ppv )
{
damienf's avatar
damienf committed
798
#ifdef DEBUG_DSHOW_L1
gbazin's avatar
   
gbazin committed
799
800
801
802
803
    msg_Dbg( p_input, "CaptureFilter::QueryInterface" );
#endif

    if( riid == IID_IUnknown )
    {
gbazin's avatar
   
gbazin committed
804
        AddRef();
gbazin's avatar
   
gbazin committed
805
806
807
808
809
        *ppv = (IUnknown *)this;
        return NOERROR;
    }
    if( riid == IID_IPersist )
    {
gbazin's avatar
   
gbazin committed
810
        AddRef();
gbazin's avatar
   
gbazin committed
811
812
813
814
815
        *ppv = (IPersist *)this;
        return NOERROR;
    }
    if( riid == IID_IMediaFilter )
    {
gbazin's avatar
   
gbazin committed
816
        AddRef();
gbazin's avatar
   
gbazin committed
817
818
819
820
821
        *ppv = (IMediaFilter *)this;
        return NOERROR;
    }
    if( riid == IID_IBaseFilter )
    {
gbazin's avatar
   
gbazin committed
822
        AddRef();
gbazin's avatar
   
gbazin committed
823
824
825
826
827
        *ppv = (IBaseFilter *)this;
        return NOERROR;
    }
    else
    {
damienf's avatar
damienf committed
828
#ifdef DEBUG_DSHOW_L1
829
830
831
832
833
834
835
836
        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
gbazin's avatar
   
gbazin committed
837
838
839
840
841
842
        *ppv = NULL;
        return E_NOINTERFACE;
    }
};
STDMETHODIMP_(ULONG) CaptureFilter::AddRef()
{
843
#ifdef DEBUG_DSHOW_L1
844
    msg_Dbg( p_input, "CaptureFilter::AddRef (ref: %i)", i_ref );
gbazin's avatar
   
gbazin committed
845
846
#endif

gbazin's avatar
   
gbazin committed
847
    return i_ref++;
gbazin's avatar
   
gbazin committed
848
849
850
};
STDMETHODIMP_(ULONG) CaptureFilter::Release()
{
851
#ifdef DEBUG_DSHOW_L1
852
    msg_Dbg( p_input, "CaptureFilter::Release (ref: %i)", i_ref );
gbazin's avatar
   
gbazin committed
853
854
#endif

855
    if( !InterlockedDecrement(&i_ref) ) delete this;
gbazin's avatar
   
gbazin committed
856

857
    return 0;
gbazin's avatar
   
gbazin committed
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
};

/* 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
gbazin's avatar
   
gbazin committed
873
    msg_Dbg( p_input, "CaptureFilter::GetState %i", state );
gbazin's avatar
   
gbazin committed
874
#endif
gbazin's avatar
   
gbazin committed
875
876
877

    *State = state;
    return S_OK;
gbazin's avatar
   
gbazin committed
878
879
880
881
882
883
884
};
STDMETHODIMP CaptureFilter::SetSyncSource(IReferenceClock *pClock)
{
#ifdef DEBUG_DSHOW
    msg_Dbg( p_input, "CaptureFilter::SetSyncSource" );
#endif

gbazin's avatar
   
gbazin committed
885
    return S_OK;
gbazin's avatar
   
gbazin committed
886
887
888
889
890
891
};
STDMETHODIMP CaptureFilter::GetSyncSource(IReferenceClock **pClock)
{
#ifdef DEBUG_DSHOW
    msg_Dbg( p_input, "CaptureFilter::GetSyncSource" );
#endif
gbazin's avatar
   
gbazin committed
892
893
894

    *pClock = NULL;
    return NOERROR;
gbazin's avatar
   
gbazin committed
895
896
897
898
899
900
};
STDMETHODIMP CaptureFilter::Stop()
{
#ifdef DEBUG_DSHOW
    msg_Dbg( p_input, "CaptureFilter::Stop" );
#endif
gbazin's avatar
   
gbazin committed
901

902
903
    p_pin->EndFlush();

gbazin's avatar
   
gbazin committed
904
    state = State_Stopped;
gbazin's avatar
   
gbazin committed
905
    return S_OK;
gbazin's avatar
   
gbazin committed
906
907
908
909
910
911
};
STDMETHODIMP CaptureFilter::Pause()
{
#ifdef DEBUG_DSHOW
    msg_Dbg( p_input, "CaptureFilter::Pause" );
#endif
gbazin's avatar
   
gbazin committed
912
913

    state = State_Paused;
gbazin's avatar
   
gbazin committed
914
    return S_OK;
gbazin's avatar
   
gbazin committed
915
916
917
918
919
920
};
STDMETHODIMP CaptureFilter::Run(REFERENCE_TIME tStart)
{
#ifdef DEBUG_DSHOW
    msg_Dbg( p_input, "CaptureFilter::Run" );
#endif
gbazin's avatar
   
gbazin committed
921
922

    state = State_Running;
gbazin's avatar
   
gbazin committed
923
    return S_OK;
gbazin's avatar
   
gbazin committed
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
};

/* 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

950
    memcpy(pInfo->achName, FILTER_NAME, sizeof(FILTER_NAME));
gbazin's avatar
   
gbazin committed
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985

    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
 ****************************************************************************/

gbazin's avatar
gbazin committed
986
CaptureEnumPins::CaptureEnumPins( vlc_object_t *_p_input,
gbazin's avatar
   
gbazin committed
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
                                  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()
{
damienf's avatar
damienf committed
1008
#ifdef DEBUG_DSHOW_L1
1009
1010
    msg_Dbg( p_input, "CaptureEnumPins::~CaptureEnumPins" );
#endif
gbazin's avatar
   
gbazin committed
1011
1012
1013
1014
1015
1016
    p_filter->Release();
}

/* IUnknown methods */
STDMETHODIMP CaptureEnumPins::QueryInterface( REFIID riid, void **ppv )
{
damienf's avatar
damienf committed
1017
#ifdef DEBUG_DSHOW_L1
gbazin's avatar
   
gbazin committed
1018
1019
1020
1021
1022
1023
    msg_Dbg( p_input, "CaptureEnumPins::QueryInterface" );
#endif

    if( riid == IID_IUnknown ||
        riid == IID_IEnumPins )
    {
gbazin's avatar
   
gbazin committed
1024
        AddRef();
gbazin's avatar
   
gbazin committed
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
        *ppv = (IEnumPins *)this;
        return NOERROR;
    }
    else
    {
        *ppv = NULL;
        return E_NOINTERFACE;
    }
};
STDMETHODIMP_(ULONG) CaptureEnumPins::AddRef()
{
1036
#ifdef DEBUG_DSHOW_L1
1037
    msg_Dbg( p_input, "CaptureEnumPins::AddRef (ref: %i)", i_ref );
gbazin's avatar
   
gbazin committed
1038
1039
#endif

gbazin's avatar
   
gbazin committed
1040
    return i_ref++;
gbazin's avatar
   
gbazin committed
1041
1042
1043
};
STDMETHODIMP_(ULONG) CaptureEnumPins::Release()
{
1044
#ifdef DEBUG_DSHOW_L1
1045
    msg_Dbg( p_input, "CaptureEnumPins::Release (ref: %i)", i_ref );
gbazin's avatar
   
gbazin committed
1046
1047
#endif

1048
    if( !InterlockedDecrement(&i_ref) ) delete this;
gbazin's avatar
   
gbazin committed
1049

1050
    return 0;
gbazin's avatar
   
gbazin committed
1051
1052
1053
1054
1055
1056
};

/* IEnumPins */
STDMETHODIMP CaptureEnumPins::Next( ULONG cPins, IPin ** ppPins,
                                    ULONG * pcFetched )
{
damienf's avatar
damienf committed
1057
#ifdef DEBUG_DSHOW_L1
gbazin's avatar
   
gbazin committed
1058
1059
1060
    msg_Dbg( p_input, "CaptureEnumPins::Next" );
#endif

gbazin's avatar
gbazin committed
1061
    unsigned int i_fetched = 0;
gbazin's avatar
   
gbazin committed
1062
1063
1064
1065
1066
1067

    if( i_position < 1 && cPins > 0 )
    {
        IPin *pPin = p_filter->CustomGetPin();
        *ppPins = pPin;
        pPin->AddRef();
gbazin's avatar
gbazin committed
1068
        i_fetched = 1;
gbazin's avatar
   
gbazin committed
1069
1070
1071
        i_position++;
    }

gbazin's avatar
gbazin committed
1072
1073
1074
    if( pcFetched ) *pcFetched = i_fetched;

    return (i_fetched == cPins) ? S_OK : S_FALSE;
gbazin's avatar
   
gbazin committed
1075
1076
1077
};
STDMETHODIMP CaptureEnumPins::Skip( ULONG cPins )
{
damienf's avatar
damienf committed
1078
#ifdef DEBUG_DSHOW_L1
gbazin's avatar
   
gbazin committed
1079
1080
1081
    msg_Dbg( p_input, "CaptureEnumPins::Skip" );
#endif

gbazin's avatar
gbazin committed
1082
1083
1084
    i_position += cPins;

    if( i_position > 1 )
gbazin's avatar
   
gbazin committed
1085
1086
1087
1088
    {
        return S_FALSE;
    }

gbazin's avatar
gbazin committed
1089
    return S_OK;
gbazin's avatar
   
gbazin committed
1090
1091
1092
};
STDMETHODIMP CaptureEnumPins::Reset()
{
damienf's avatar
damienf committed
1093
#ifdef DEBUG_DSHOW_L1
gbazin's avatar
   
gbazin committed
1094
1095
1096
1097
1098
1099
1100
1101
    msg_Dbg( p_input, "CaptureEnumPins::Reset" );
#endif

    i_position = 0;
    return S_OK;
};
STDMETHODIMP CaptureEnumPins::Clone( IEnumPins **ppEnum )
{
damienf's avatar
damienf committed
1102
#ifdef DEBUG_DSHOW_L1
gbazin's avatar
   
gbazin committed
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
    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
 ****************************************************************************/
gbazin's avatar
gbazin committed
1115
CaptureEnumMediaTypes::CaptureEnumMediaTypes( vlc_object_t *_p_input,
1116
    CapturePin *_p_pin, CaptureEnumMediaTypes *pEnumMediaTypes )
gbazin's avatar
   
gbazin committed
1117
1118
1119
1120
1121
1122
1123
1124
  : 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 )
    {
gbazin's avatar
gbazin committed
1125
        CopyMediaType(&cx_media_type, &p_pin->cx_media_type); 
gbazin's avatar
   
gbazin committed
1126
1127
1128
1129
        i_position = 0;
    }
    else
    {
gbazin's avatar
gbazin committed
1130
        CopyMediaType(&cx_media_type, &pEnumMediaTypes->cx_media_type); 
gbazin's avatar
   
gbazin committed
1131
1132
1133
1134
1135
1136
        i_position = pEnumMediaTypes->i_position;
    }
}

CaptureEnumMediaTypes::~CaptureEnumMediaTypes()
{
damienf's avatar
damienf committed
1137
#ifdef DEBUG_DSHOW_L1
1138
1139
    msg_Dbg( p_input, "CaptureEnumMediaTypes::~CaptureEnumMediaTypes" );
#endif
1140
    FreeMediaType(cx_media_type);
gbazin's avatar
   
gbazin committed
1141
1142
1143
1144
1145
1146
    p_pin->Release();
}

/* IUnknown methods */
STDMETHODIMP CaptureEnumMediaTypes::QueryInterface( REFIID riid, void **ppv )
{
damienf's avatar
damienf committed
1147
#ifdef DEBUG_DSHOW_L1
gbazin's avatar
   
gbazin committed
1148
1149
1150
1151
1152
1153
    msg_Dbg( p_input, "CaptureEnumMediaTypes::QueryInterface" );
#endif

    if( riid == IID_IUnknown ||
        riid == IID_IEnumMediaTypes )
    {
gbazin's avatar
   
gbazin committed
1154
        AddRef();
gbazin's avatar
   
gbazin committed
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
        *ppv = (IEnumMediaTypes *)this;
        return NOERROR;
    }
    else
    {
        *ppv = NULL;
        return E_NOINTERFACE;
    }
};
STDMETHODIMP_(ULONG) CaptureEnumMediaTypes::AddRef()
{
1166
#ifdef DEBUG_DSHOW_L1
1167
    msg_Dbg( p_input, "CaptureEnumMediaTypes::AddRef (ref: %i)", i_ref );
gbazin's avatar
   
gbazin committed
1168
1169
#endif

gbazin's avatar
   
gbazin committed
1170
    return i_ref++;
gbazin's avatar
   
gbazin committed
1171
1172
1173
};
STDMETHODIMP_(ULONG) CaptureEnumMediaTypes::Release()
{
1174
#ifdef DEBUG_DSHOW_L1
1175
    msg_Dbg( p_input, "CaptureEnumMediaTypes::Release (ref: %i)", i_ref );
gbazin's avatar
   
gbazin committed
1176
1177
#endif

1178
    if( !InterlockedDecrement(&i_ref) ) delete this;
gbazin's avatar
   
gbazin committed
1179

1180
    return 0;
gbazin's avatar
   
gbazin committed
1181
1182
1183
1184
1185
1186
1187
};

/* IEnumMediaTypes */
STDMETHODIMP CaptureEnumMediaTypes::Next( ULONG cMediaTypes,
                                          AM_MEDIA_TYPE ** ppMediaTypes,
                                          ULONG * pcFetched )
{
damienf's avatar
damienf committed
1188
#ifdef DEBUG_DSHOW_L1
1189
    msg_Dbg( p_input, "CaptureEnumMediaTypes::Next " );
gbazin's avatar
   
gbazin committed
1190
#endif
1191
1192
1193
    ULONG copied = 0;
    ULONG offset = 0;
    ULONG max = p_pin->media_type_count;
gbazin's avatar
   
gbazin committed
1194

1195
    if( ! ppMediaTypes ) 
1196
        return E_POINTER;
1197

1198
1199
1200
    if( (! pcFetched)  && (cMediaTypes > 1) )
       return E_POINTER;

1201
1202
1203
1204
    /*
    ** use connection media type as first entry in iterator if it exists
    */
    copied = 0;
gbazin's avatar
gbazin committed
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
    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;
        }
1217
    }
1218

1219
    while( (copied < cMediaTypes) && (i_position < max)  )
1220
    {
gbazin's avatar
gbazin committed
1221
1222
1223
1224
        ppMediaTypes[copied] =
            (AM_MEDIA_TYPE *)CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
        if( CopyMediaType( ppMediaTypes[copied],
                           &p_pin->media_types[i_position-offset]) != S_OK )
1225
            return E_OUTOFMEMORY;
1226

gbazin's avatar
gbazin committed
1227
        ++copied;
1228
        ++i_position; 
1229
    }
1230

gbazin's avatar
gbazin committed
1231
    if( pcFetched )  *pcFetched = copied;
1232

1233
    return (copied == cMediaTypes) ? S_OK : S_FALSE;
gbazin's avatar
   
gbazin committed
1234
1235
1236
};
STDMETHODIMP CaptureEnumMediaTypes::Skip( ULONG cMediaTypes )
{
1237
1238
1239
    ULONG max =  p_pin->media_type_count;
    if( cx_media_type.subtype != GUID_NULL )
    {
gbazin's avatar
gbazin committed
1240
        max = 1;
1241
    }
damienf's avatar
damienf committed
1242
#ifdef DEBUG_DSHOW_L1
gbazin's avatar
   
gbazin committed
1243
1244
1245
    msg_Dbg( p_input, "CaptureEnumMediaTypes::Skip" );
#endif

1246
    i_position += cMediaTypes;
1247
    return (i_position < max) ? S_OK : S_FALSE;
gbazin's avatar
   
gbazin committed
1248
1249
1250
};
STDMETHODIMP CaptureEnumMediaTypes::Reset()
{
damienf's avatar
damienf committed
1251
#ifdef DEBUG_DSHOW_L1
gbazin's avatar
   
gbazin committed
1252
1253
1254
    msg_Dbg( p_input, "CaptureEnumMediaTypes::Reset" );
#endif

1255
1256
    FreeMediaType(cx_media_type);
    CopyMediaType(&cx_media_type, &p_pin->cx_media_type); 
gbazin's avatar
   
gbazin committed
1257
1258
1259
1260
1261
    i_position = 0;
    return S_OK;
};
STDMETHODIMP CaptureEnumMediaTypes::Clone( IEnumMediaTypes **ppEnum )
{
damienf's avatar
damienf committed
1262
#ifdef DEBUG_DSHOW_L1
gbazin's avatar
   
gbazin committed
1263