diff options
Diffstat (limited to 'libavdevice/dshow_common.c')
| -rw-r--r-- | libavdevice/dshow_common.c | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/libavdevice/dshow_common.c b/libavdevice/dshow_common.c new file mode 100644 index 0000000..f7f0dfb --- /dev/null +++ b/libavdevice/dshow_common.c @@ -0,0 +1,190 @@ +/* + * 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 +} |
