| /* |
| * 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_capture.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_VIDEO_STREAM_CONFIG_CAPS(const VIDEO_STREAM_CONFIG_CAPS *caps) |
| { |
| #if DSHOWDEBUG |
| dshowdebug(" VIDEO_STREAM_CONFIG_CAPS\n"); |
| dshowdebug(" guid\t"); |
| ff_printGUID(&caps->guid); |
| dshowdebug("\n"); |
| dshowdebug(" VideoStandard\t%lu\n", caps->VideoStandard); |
| dshowdebug(" InputSize %ld\t%ld\n", caps->InputSize.cx, caps->InputSize.cy); |
| dshowdebug(" MinCroppingSize %ld\t%ld\n", caps->MinCroppingSize.cx, caps->MinCroppingSize.cy); |
| dshowdebug(" MaxCroppingSize %ld\t%ld\n", caps->MaxCroppingSize.cx, caps->MaxCroppingSize.cy); |
| dshowdebug(" CropGranularityX\t%d\n", caps->CropGranularityX); |
| dshowdebug(" CropGranularityY\t%d\n", caps->CropGranularityY); |
| dshowdebug(" CropAlignX\t%d\n", caps->CropAlignX); |
| dshowdebug(" CropAlignY\t%d\n", caps->CropAlignY); |
| dshowdebug(" MinOutputSize %ld\t%ld\n", caps->MinOutputSize.cx, caps->MinOutputSize.cy); |
| dshowdebug(" MaxOutputSize %ld\t%ld\n", caps->MaxOutputSize.cx, caps->MaxOutputSize.cy); |
| dshowdebug(" OutputGranularityX\t%d\n", caps->OutputGranularityX); |
| dshowdebug(" OutputGranularityY\t%d\n", caps->OutputGranularityY); |
| dshowdebug(" StretchTapsX\t%d\n", caps->StretchTapsX); |
| dshowdebug(" StretchTapsY\t%d\n", caps->StretchTapsY); |
| dshowdebug(" ShrinkTapsX\t%d\n", caps->ShrinkTapsX); |
| dshowdebug(" ShrinkTapsY\t%d\n", caps->ShrinkTapsY); |
| dshowdebug(" MinFrameInterval\t%"PRId64"\n", caps->MinFrameInterval); |
| dshowdebug(" MaxFrameInterval\t%"PRId64"\n", caps->MaxFrameInterval); |
| dshowdebug(" MinBitsPerSecond\t%ld\n", caps->MinBitsPerSecond); |
| dshowdebug(" MaxBitsPerSecond\t%ld\n", caps->MaxBitsPerSecond); |
| #endif |
| } |
| |
| void ff_print_AUDIO_STREAM_CONFIG_CAPS(const AUDIO_STREAM_CONFIG_CAPS *caps) |
| { |
| #if DSHOWDEBUG |
| dshowdebug(" AUDIO_STREAM_CONFIG_CAPS\n"); |
| dshowdebug(" guid\t"); |
| ff_printGUID(&caps->guid); |
| dshowdebug("\n"); |
| dshowdebug(" MinimumChannels\t%lu\n", caps->MinimumChannels); |
| dshowdebug(" MaximumChannels\t%lu\n", caps->MaximumChannels); |
| dshowdebug(" ChannelsGranularity\t%lu\n", caps->ChannelsGranularity); |
| dshowdebug(" MinimumBitsPerSample\t%lu\n", caps->MinimumBitsPerSample); |
| dshowdebug(" MaximumBitsPerSample\t%lu\n", caps->MaximumBitsPerSample); |
| dshowdebug(" BitsPerSampleGranularity\t%lu\n", caps->BitsPerSampleGranularity); |
| dshowdebug(" MinimumSampleFrequency\t%lu\n", caps->MinimumSampleFrequency); |
| dshowdebug(" MaximumSampleFrequency\t%lu\n", caps->MaximumSampleFrequency); |
| dshowdebug(" SampleFrequencyGranularity\t%lu\n", caps->SampleFrequencyGranularity); |
| #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 |
| } |
