DirectShow capture support

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

configure

@@ -1463,6 +1463,8 @@ w64_demuxer_deps="wav_demuxer"
 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
 alsa_outdev_deps="alsa_asoundlib_h"
 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
+dshow_indev_deps="IBaseFilter"
+dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
 dv1394_indev_deps="dv1394 dv_demuxer"
 fbdev_indev_deps="linux_fb_h"
 jack_indev_deps="jack_jack_h sem_timedwait"
@@ -2979,6 +2981,8 @@ check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extra
 # w32api 3.12 had it defined wrong
 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
 
+check_type "dshow.h" IBaseFilter
+
 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
 { check_header dev/bktr/ioctl_meteor.h &&
   check_header dev/bktr/ioctl_bt848.h; } ||

libavdevice/Makefile

@@ -13,6 +13,9 @@ OBJS-$(CONFIG_ALSA_INDEV)                += alsa-audio-common.o \
 OBJS-$(CONFIG_ALSA_OUTDEV)               += alsa-audio-common.o \
                                             alsa-audio-enc.o
 OBJS-$(CONFIG_BKTR_INDEV)                += bktr.o
+OBJS-$(CONFIG_DSHOW_INDEV)               += dshow.o dshow_enummediatypes.o \
+                                            dshow_enumpins.o dshow_filter.o \
+                                            dshow_pin.o dshow_common.o
 OBJS-$(CONFIG_DV1394_INDEV)              += dv1394.o
 OBJS-$(CONFIG_FBDEV_INDEV)               += fbdev.o
 OBJS-$(CONFIG_JACK_INDEV)                += jack_audio.o

libavdevice/alldevices.c

@@ -41,6 +41,7 @@ void avdevice_register_all(void)
     /* devices */
     REGISTER_INOUTDEV (ALSA, alsa);
     REGISTER_INDEV    (BKTR, bktr);
+    REGISTER_INDEV    (DSHOW, dshow);
     REGISTER_INDEV    (DV1394, dv1394);
     REGISTER_INDEV    (FBDEV, fbdev);
     REGISTER_INDEV    (JACK, jack);

libavdevice/dshow_common.c

+/*
+ * Directshow capture interface
+ * Copyright (c) 2010 Ramiro Polla
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "dshow.h"
+
+long ff_copy_dshow_media_type(AM_MEDIA_TYPE *dst, const AM_MEDIA_TYPE *src)
+{
+    uint8_t *pbFormat = NULL;
+
+    if (src->cbFormat) {
+        pbFormat = CoTaskMemAlloc(src->cbFormat);
+        if (!pbFormat)
+            return E_OUTOFMEMORY;
+        memcpy(pbFormat, src->pbFormat, src->cbFormat);
+    }
+
+    *dst = *src;
+    dst->pUnk = NULL;
+    dst->pbFormat = pbFormat;
+
+    return S_OK;
+}
+
+void ff_printGUID(const GUID *g)
+{
+#if DSHOWDEBUG
+    const uint32_t *d = (const uint32_t *) &g->Data1;
+    const uint16_t *w = (const uint16_t *) &g->Data2;
+    const uint8_t  *c = (const uint8_t  *) &g->Data4;
+
+    dshowdebug("0x%08x 0x%04x 0x%04x %02x%02x%02x%02x%02x%02x%02x%02x",
+               d[0], w[0], w[1],
+               c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7]);
+#endif
+}
+
+static const char *dshow_context_to_name(void *ptr)
+{
+    return "dshow";
+}
+static const AVClass ff_dshow_context_class = { "DirectShow", dshow_context_to_name };
+const AVClass *ff_dshow_context_class_ptr = &ff_dshow_context_class;
+
+#define dstruct(pctx, sname, var, type) \
+    dshowdebug("      "#var":\t%"type"\n", sname->var)
+
+#if DSHOWDEBUG
+static void dump_bih(void *s, BITMAPINFOHEADER *bih)
+{
+    dshowdebug("      BITMAPINFOHEADER\n");
+    dstruct(s, bih, biSize, "lu");
+    dstruct(s, bih, biWidth, "ld");
+    dstruct(s, bih, biHeight, "ld");
+    dstruct(s, bih, biPlanes, "d");
+    dstruct(s, bih, biBitCount, "d");
+    dstruct(s, bih, biCompression, "lu");
+    dshowdebug("      biCompression:\t\"%.4s\"\n",
+                   (char*) &bih->biCompression);
+    dstruct(s, bih, biSizeImage, "lu");
+    dstruct(s, bih, biXPelsPerMeter, "lu");
+    dstruct(s, bih, biYPelsPerMeter, "lu");
+    dstruct(s, bih, biClrUsed, "lu");
+    dstruct(s, bih, biClrImportant, "lu");
+}
+#endif
+
+void ff_print_AM_MEDIA_TYPE(const AM_MEDIA_TYPE *type)
+{
+#if DSHOWDEBUG
+    dshowdebug("    majortype\t");
+    ff_printGUID(&type->majortype);
+    dshowdebug("\n");
+    dshowdebug("    subtype\t");
+    ff_printGUID(&type->subtype);
+    dshowdebug("\n");
+    dshowdebug("    bFixedSizeSamples\t%d\n", type->bFixedSizeSamples);
+    dshowdebug("    bTemporalCompression\t%d\n", type->bTemporalCompression);
+    dshowdebug("    lSampleSize\t%lu\n", type->lSampleSize);
+    dshowdebug("    formattype\t");
+    ff_printGUID(&type->formattype);
+    dshowdebug("\n");
+    dshowdebug("    pUnk\t%p\n", type->pUnk);
+    dshowdebug("    cbFormat\t%lu\n", type->cbFormat);
+    dshowdebug("    pbFormat\t%p\n", type->pbFormat);
+
+    if (IsEqualGUID(&type->formattype, &FORMAT_VideoInfo)) {
+        VIDEOINFOHEADER *v = (void *) type->pbFormat;
+        dshowdebug("      rcSource: left %ld top %ld right %ld bottom %ld\n",
+                   v->rcSource.left, v->rcSource.top, v->rcSource.right, v->rcSource.bottom);
+        dshowdebug("      rcTarget: left %ld top %ld right %ld bottom %ld\n",
+                   v->rcTarget.left, v->rcTarget.top, v->rcTarget.right, v->rcTarget.bottom);
+        dshowdebug("      dwBitRate: %lu\n", v->dwBitRate);
+        dshowdebug("      dwBitErrorRate: %lu\n", v->dwBitErrorRate);
+        dshowdebug("      AvgTimePerFrame: %"PRId64"\n", v->AvgTimePerFrame);
+        dump_bih(NULL, &v->bmiHeader);
+    } else if (IsEqualGUID(&type->formattype, &FORMAT_VideoInfo2)) {
+        VIDEOINFOHEADER2 *v = (void *) type->pbFormat;
+        dshowdebug("      rcSource: left %ld top %ld right %ld bottom %ld\n",
+                   v->rcSource.left, v->rcSource.top, v->rcSource.right, v->rcSource.bottom);
+        dshowdebug("      rcTarget: left %ld top %ld right %ld bottom %ld\n",
+                   v->rcTarget.left, v->rcTarget.top, v->rcTarget.right, v->rcTarget.bottom);
+        dshowdebug("      dwBitRate: %lu\n", v->dwBitRate);
+        dshowdebug("      dwBitErrorRate: %lu\n", v->dwBitErrorRate);
+        dshowdebug("      AvgTimePerFrame: %"PRId64"\n", v->AvgTimePerFrame);
+        dshowdebug("      dwInterlaceFlags: %lu\n", v->dwInterlaceFlags);
+        dshowdebug("      dwCopyProtectFlags: %lu\n", v->dwCopyProtectFlags);
+        dshowdebug("      dwPictAspectRatioX: %lu\n", v->dwPictAspectRatioX);
+        dshowdebug("      dwPictAspectRatioY: %lu\n", v->dwPictAspectRatioY);
+//        dshowdebug("      dwReserved1: %lu\n", v->u.dwReserved1); /* mingw-w64 is buggy and doesn't name unnamed unions */
+        dshowdebug("      dwReserved2: %lu\n", v->dwReserved2);
+        dump_bih(NULL, &v->bmiHeader);
+    } else if (IsEqualGUID(&type->formattype, &FORMAT_WaveFormatEx)) {
+        WAVEFORMATEX *fx = (void *) type->pbFormat;
+        dshowdebug("      wFormatTag: %u\n", fx->wFormatTag);
+        dshowdebug("      nChannels: %u\n", fx->nChannels);
+        dshowdebug("      nSamplesPerSec: %lu\n", fx->nSamplesPerSec);
+        dshowdebug("      nAvgBytesPerSec: %lu\n", fx->nAvgBytesPerSec);
+        dshowdebug("      nBlockAlign: %u\n", fx->nBlockAlign);
+        dshowdebug("      wBitsPerSample: %u\n", fx->wBitsPerSample);
+        dshowdebug("      cbSize: %u\n", fx->cbSize);
+    }
+#endif
+}

libavdevice/dshow_enummediatypes.c

+/*
+ * DirectShow capture interface
+ * Copyright (c) 2010 Ramiro Polla
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "dshow.h"
+
+DECLARE_QUERYINTERFACE(libAVEnumMediaTypes,
+    { {&IID_IUnknown,0}, {&IID_IEnumPins,0} })
+DECLARE_ADDREF(libAVEnumMediaTypes)
+DECLARE_RELEASE(libAVEnumMediaTypes)
+
+long WINAPI
+libAVEnumMediaTypes_Next(libAVEnumMediaTypes *this, unsigned long n,
+                         AM_MEDIA_TYPE **types, unsigned long *fetched)
+{
+    int count = 0;
+    dshowdebug("libAVEnumMediaTypes_Next(%p)\n", this);
+    if (!types)
+        return E_POINTER;
+    if (!this->pos && n == 1) {
+        if (!IsEqualGUID(&this->type.majortype, &GUID_NULL)) {
+            AM_MEDIA_TYPE *type = av_malloc(sizeof(AM_MEDIA_TYPE));
+            ff_copy_dshow_media_type(type, &this->type);
+            *types = type;
+            count = 1;
+        }
+        this->pos = 1;
+    }
+    if (fetched)
+        *fetched = count;
+    if (!count)
+        return S_FALSE;
+    return S_OK;
+}
+long WINAPI
+libAVEnumMediaTypes_Skip(libAVEnumMediaTypes *this, unsigned long n)
+{
+    dshowdebug("libAVEnumMediaTypes_Skip(%p)\n", this);
+    if (n) /* Any skip will always fall outside of the only valid type. */
+        return S_FALSE;
+    return S_OK;
+}
+long WINAPI
+libAVEnumMediaTypes_Reset(libAVEnumMediaTypes *this)
+{
+    dshowdebug("libAVEnumMediaTypes_Reset(%p)\n", this);
+    this->pos = 0;
+    return S_OK;
+}
+long WINAPI
+libAVEnumMediaTypes_Clone(libAVEnumMediaTypes *this, libAVEnumMediaTypes **enums)
+{
+    libAVEnumMediaTypes *new;
+    dshowdebug("libAVEnumMediaTypes_Clone(%p)\n", this);
+    if (!enums)
+        return E_POINTER;
+    new = libAVEnumMediaTypes_Create(&this->type);
+    if (!new)
+        return E_OUTOFMEMORY;
+    new->pos = this->pos;
+    *enums = new;
+    return S_OK;
+}
+
+static int
+libAVEnumMediaTypes_Setup(libAVEnumMediaTypes *this, const AM_MEDIA_TYPE *type)
+{
+    IEnumPinsVtbl *vtbl = this->vtbl;
+    SETVTBL(vtbl, libAVEnumMediaTypes, QueryInterface);
+    SETVTBL(vtbl, libAVEnumMediaTypes, AddRef);
+    SETVTBL(vtbl, libAVEnumMediaTypes, Release);
+    SETVTBL(vtbl, libAVEnumMediaTypes, Next);
+    SETVTBL(vtbl, libAVEnumMediaTypes, Skip);
+    SETVTBL(vtbl, libAVEnumMediaTypes, Reset);
+    SETVTBL(vtbl, libAVEnumMediaTypes, Clone);
+
+    if (!type) {
+        this->type.majortype = GUID_NULL;
+    } else {
+        ff_copy_dshow_media_type(&this->type, type);
+    }
+
+    return 1;
+}
+DECLARE_CREATE(libAVEnumMediaTypes, libAVEnumMediaTypes_Setup(this, type), const AM_MEDIA_TYPE *type)
+DECLARE_DESTROY(libAVEnumMediaTypes, nothing)

libavdevice/dshow_enumpins.c

+/*
+ * DirectShow capture interface
+ * Copyright (c) 2010 Ramiro Polla
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "dshow.h"
+
+DECLARE_QUERYINTERFACE(libAVEnumPins,
+    { {&IID_IUnknown,0}, {&IID_IEnumPins,0} })
+DECLARE_ADDREF(libAVEnumPins)
+DECLARE_RELEASE(libAVEnumPins)
+
+long WINAPI
+libAVEnumPins_Next(libAVEnumPins *this, unsigned long n, IPin **pins,
+                   unsigned long *fetched)
+{
+    int count = 0;
+    dshowdebug("libAVEnumPins_Next(%p)\n", this);
+    if (!pins)
+        return E_POINTER;
+    if (!this->pos && n == 1) {
+        libAVPin_AddRef(this->pin);
+        *pins = (IPin *) this->pin;
+        count = 1;
+        this->pos = 1;
+    }
+    if (fetched)
+        *fetched = count;
+    if (!count)
+        return S_FALSE;
+    return S_OK;
+}
+long WINAPI
+libAVEnumPins_Skip(libAVEnumPins *this, unsigned long n)
+{
+    dshowdebug("libAVEnumPins_Skip(%p)\n", this);
+    if (n) /* Any skip will always fall outside of the only valid pin. */
+        return S_FALSE;
+    return S_OK;
+}
+long WINAPI
+libAVEnumPins_Reset(libAVEnumPins *this)
+{
+    dshowdebug("libAVEnumPins_Reset(%p)\n", this);
+    this->pos = 0;
+    return S_OK;
+}
+long WINAPI
+libAVEnumPins_Clone(libAVEnumPins *this, libAVEnumPins **pins)
+{
+    libAVEnumPins *new;
+    dshowdebug("libAVEnumPins_Clone(%p)\n", this);
+    if (!pins)
+        return E_POINTER;
+    new = libAVEnumPins_Create(this->pin, this->filter);
+    if (!new)
+        return E_OUTOFMEMORY;
+    new->pos = this->pos;
+    *pins = new;
+    return S_OK;
+}
+
+static int
+libAVEnumPins_Setup(libAVEnumPins *this, libAVPin *pin, libAVFilter *filter)
+{
+    IEnumPinsVtbl *vtbl = this->vtbl;
+    SETVTBL(vtbl, libAVEnumPins, QueryInterface);
+    SETVTBL(vtbl, libAVEnumPins, AddRef);
+    SETVTBL(vtbl, libAVEnumPins, Release);
+    SETVTBL(vtbl, libAVEnumPins, Next);
+    SETVTBL(vtbl, libAVEnumPins, Skip);
+    SETVTBL(vtbl, libAVEnumPins, Reset);
+    SETVTBL(vtbl, libAVEnumPins, Clone);
+
+    this->pin = pin;
+    this->filter = filter;
+    libAVFilter_AddRef(this->filter);
+
+    return 1;
+}
+DECLARE_CREATE(libAVEnumPins, libAVEnumPins_Setup(this, pin, filter),
+               libAVPin *pin, libAVFilter *filter)
+DECLARE_DESTROY(libAVEnumPins, nothing)

libavdevice/dshow_filter.c

+/*
+ * DirectShow capture interface
+ * Copyright (c) 2010 Ramiro Polla
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "dshow.h"
+
+DECLARE_QUERYINTERFACE(libAVFilter,
+    { {&IID_IUnknown,0}, {&IID_IBaseFilter,0} })
+DECLARE_ADDREF(libAVFilter)
+DECLARE_RELEASE(libAVFilter)
+
+long WINAPI
+libAVFilter_GetClassID(libAVFilter *this, CLSID *id)
+{
+    dshowdebug("libAVFilter_GetClassID(%p)\n", this);
+    /* I'm not creating a ClassID just for this. */
+    return E_FAIL;
+}
+long WINAPI
+libAVFilter_Stop(libAVFilter *this)
+{
+    dshowdebug("libAVFilter_Stop(%p)\n", this);
+    this->state = State_Stopped;
+    return S_OK;
+}
+long WINAPI
+libAVFilter_Pause(libAVFilter *this)
+{
+    dshowdebug("libAVFilter_Pause(%p)\n", this);
+    this->state = State_Paused;
+    return S_OK;
+}
+long WINAPI
+libAVFilter_Run(libAVFilter *this, REFERENCE_TIME start)
+{
+    dshowdebug("libAVFilter_Run(%p) %"PRId64"\n", this, start);
+    this->state = State_Running;
+    this->start_time = start;
+    return S_OK;
+}
+long WINAPI
+libAVFilter_GetState(libAVFilter *this, DWORD ms, FILTER_STATE *state)
+{
+    dshowdebug("libAVFilter_GetState(%p)\n", this);
+    if (!state)
+        return E_POINTER;
+    *state = this->state;
+    return S_OK;
+}
+long WINAPI
+libAVFilter_SetSyncSource(libAVFilter *this, IReferenceClock *clock)
+{
+    dshowdebug("libAVFilter_SetSyncSource(%p)\n", this);
+
+    if (this->clock != clock) {
+        if (this->clock)
+            IReferenceClock_Release(this->clock);
+        this->clock = clock;
+        if (clock)
+            IReferenceClock_AddRef(clock);
+    }
+
+    return S_OK;
+}
+long WINAPI
+libAVFilter_GetSyncSource(libAVFilter *this, IReferenceClock **clock)
+{
+    dshowdebug("libAVFilter_GetSyncSource(%p)\n", this);
+
+    if (!clock)
+        return E_POINTER;
+    if (this->clock)
+        IReferenceClock_AddRef(this->clock);
+    *clock = this->clock;
+
+    return S_OK;
+}
+long WINAPI
+libAVFilter_EnumPins(libAVFilter *this, IEnumPins **enumpin)
+{
+    libAVEnumPins *new;
+    dshowdebug("libAVFilter_EnumPins(%p)\n", this);
+
+    if (!enumpin)
+        return E_POINTER;
+    new = libAVEnumPins_Create(this->pin, this);
+    if (!new)
+        return E_OUTOFMEMORY;
+
+    *enumpin = (IEnumPins *) new;
+    return S_OK;
+}
+long WINAPI
+libAVFilter_FindPin(libAVFilter *this, const wchar_t *id, IPin **pin)
+{
+    libAVPin *found = NULL;
+    dshowdebug("libAVFilter_FindPin(%p)\n", this);
+
+    if (!id || !pin)
+        return E_POINTER;
+    if (!wcscmp(id, L"In")) {
+        found = this->pin;
+        libAVPin_AddRef(found);
+    }
+    *pin = (IPin *) found;
+    if (!found)
+        return VFW_E_NOT_FOUND;
+
+    return S_OK;
+}
+long WINAPI
+libAVFilter_QueryFilterInfo(libAVFilter *this, FILTER_INFO *info)
+{
+    dshowdebug("libAVFilter_QueryFilterInfo(%p)\n", this);
+
+    if (!info)
+        return E_POINTER;
+    if (this->info.pGraph)
+        IFilterGraph_AddRef(this->info.pGraph);
+    *info = this->info;
+
+    return S_OK;
+}
+long WINAPI
+libAVFilter_JoinFilterGraph(libAVFilter *this, IFilterGraph *graph,
+                            const wchar_t *name)
+{
+    dshowdebug("libAVFilter_JoinFilterGraph(%p)\n", this);
+
+    this->info.pGraph = graph;
+    if (name)
+        wcscpy(this->info.achName, name);
+
+    return S_OK;
+}
+long WINAPI
+libAVFilter_QueryVendorInfo(libAVFilter *this, wchar_t **info)
+{
+    dshowdebug("libAVFilter_QueryVendorInfo(%p)\n", this);
+
+    if (!info)
+        return E_POINTER;
+    *info = wcsdup(L"libAV");
+
+    return S_OK;
+}
+
+static int
+libAVFilter_Setup(libAVFilter *this, void *priv_data, void *callback,
+                  enum dshowDeviceType type)
+{
+    IBaseFilterVtbl *vtbl = this->vtbl;
+    SETVTBL(vtbl, libAVFilter, QueryInterface);
+    SETVTBL(vtbl, libAVFilter, AddRef);
+    SETVTBL(vtbl, libAVFilter, Release);
+    SETVTBL(vtbl, libAVFilter, GetClassID);
+    SETVTBL(vtbl, libAVFilter, Stop);
+    SETVTBL(vtbl, libAVFilter, Pause);
+    SETVTBL(vtbl, libAVFilter, Run);
+    SETVTBL(vtbl, libAVFilter, GetState);
+    SETVTBL(vtbl, libAVFilter, SetSyncSource);
+    SETVTBL(vtbl, libAVFilter, GetSyncSource);
+    SETVTBL(vtbl, libAVFilter, EnumPins);
+    SETVTBL(vtbl, libAVFilter, FindPin);
+    SETVTBL(vtbl, libAVFilter, QueryFilterInfo);
+    SETVTBL(vtbl, libAVFilter, JoinFilterGraph);
+    SETVTBL(vtbl, libAVFilter, QueryVendorInfo);
+
+    this->pin = libAVPin_Create(this);
+
+    this->priv_data = priv_data;
+    this->callback  = callback;
+    this->type      = type;
+
+    return 1;
+}
+DECLARE_CREATE(libAVFilter, libAVFilter_Setup(this, priv_data, callback, type),
+               void *priv_data, void *callback, enum dshowDeviceType type)
+DECLARE_DESTROY(libAVFilter, nothing)

libavdevice/vfwcap.c

@@ -29,8 +29,6 @@
  * Remove this when MinGW incorporates them. */
 #define HWND_MESSAGE                ((HWND)-3)
 
-#define BI_RGB                      0
-
 /* End of missing MinGW defines */
 
 struct vfw_ctx {