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