| 1 | /* |
| 2 | * Directshow capture interface |
| 3 | * Copyright (c) 2010 Ramiro Polla |
| 4 | * |
| 5 | * This file is part of FFmpeg. |
| 6 | * |
| 7 | * FFmpeg is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU Lesser General Public |
| 9 | * License as published by the Free Software Foundation; either |
| 10 | * version 2.1 of the License, or (at your option) any later version. |
| 11 | * |
| 12 | * FFmpeg is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * Lesser General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU Lesser General Public |
| 18 | * License along with FFmpeg; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 20 | */ |
| 21 | |
| 22 | #include "dshow_capture.h" |
| 23 | |
| 24 | long ff_copy_dshow_media_type(AM_MEDIA_TYPE *dst, const AM_MEDIA_TYPE *src) |
| 25 | { |
| 26 | uint8_t *pbFormat = NULL; |
| 27 | |
| 28 | if (src->cbFormat) { |
| 29 | pbFormat = CoTaskMemAlloc(src->cbFormat); |
| 30 | if (!pbFormat) |
| 31 | return E_OUTOFMEMORY; |
| 32 | memcpy(pbFormat, src->pbFormat, src->cbFormat); |
| 33 | } |
| 34 | |
| 35 | *dst = *src; |
| 36 | dst->pUnk = NULL; |
| 37 | dst->pbFormat = pbFormat; |
| 38 | |
| 39 | return S_OK; |
| 40 | } |
| 41 | |
| 42 | void ff_printGUID(const GUID *g) |
| 43 | { |
| 44 | #if DSHOWDEBUG |
| 45 | const uint32_t *d = (const uint32_t *) &g->Data1; |
| 46 | const uint16_t *w = (const uint16_t *) &g->Data2; |
| 47 | const uint8_t *c = (const uint8_t *) &g->Data4; |
| 48 | |
| 49 | dshowdebug("0x%08x 0x%04x 0x%04x %02x%02x%02x%02x%02x%02x%02x%02x", |
| 50 | d[0], w[0], w[1], |
| 51 | c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7]); |
| 52 | #endif |
| 53 | } |
| 54 | |
| 55 | static const char *dshow_context_to_name(void *ptr) |
| 56 | { |
| 57 | return "dshow"; |
| 58 | } |
| 59 | static const AVClass ff_dshow_context_class = { "DirectShow", dshow_context_to_name }; |
| 60 | const AVClass *ff_dshow_context_class_ptr = &ff_dshow_context_class; |
| 61 | |
| 62 | #define dstruct(pctx, sname, var, type) \ |
| 63 | dshowdebug(" "#var":\t%"type"\n", sname->var) |
| 64 | |
| 65 | #if DSHOWDEBUG |
| 66 | static void dump_bih(void *s, BITMAPINFOHEADER *bih) |
| 67 | { |
| 68 | dshowdebug(" BITMAPINFOHEADER\n"); |
| 69 | dstruct(s, bih, biSize, "lu"); |
| 70 | dstruct(s, bih, biWidth, "ld"); |
| 71 | dstruct(s, bih, biHeight, "ld"); |
| 72 | dstruct(s, bih, biPlanes, "d"); |
| 73 | dstruct(s, bih, biBitCount, "d"); |
| 74 | dstruct(s, bih, biCompression, "lu"); |
| 75 | dshowdebug(" biCompression:\t\"%.4s\"\n", |
| 76 | (char*) &bih->biCompression); |
| 77 | dstruct(s, bih, biSizeImage, "lu"); |
| 78 | dstruct(s, bih, biXPelsPerMeter, "lu"); |
| 79 | dstruct(s, bih, biYPelsPerMeter, "lu"); |
| 80 | dstruct(s, bih, biClrUsed, "lu"); |
| 81 | dstruct(s, bih, biClrImportant, "lu"); |
| 82 | } |
| 83 | #endif |
| 84 | |
| 85 | void ff_print_VIDEO_STREAM_CONFIG_CAPS(const VIDEO_STREAM_CONFIG_CAPS *caps) |
| 86 | { |
| 87 | #if DSHOWDEBUG |
| 88 | dshowdebug(" VIDEO_STREAM_CONFIG_CAPS\n"); |
| 89 | dshowdebug(" guid\t"); |
| 90 | ff_printGUID(&caps->guid); |
| 91 | dshowdebug("\n"); |
| 92 | dshowdebug(" VideoStandard\t%lu\n", caps->VideoStandard); |
| 93 | dshowdebug(" InputSize %ld\t%ld\n", caps->InputSize.cx, caps->InputSize.cy); |
| 94 | dshowdebug(" MinCroppingSize %ld\t%ld\n", caps->MinCroppingSize.cx, caps->MinCroppingSize.cy); |
| 95 | dshowdebug(" MaxCroppingSize %ld\t%ld\n", caps->MaxCroppingSize.cx, caps->MaxCroppingSize.cy); |
| 96 | dshowdebug(" CropGranularityX\t%d\n", caps->CropGranularityX); |
| 97 | dshowdebug(" CropGranularityY\t%d\n", caps->CropGranularityY); |
| 98 | dshowdebug(" CropAlignX\t%d\n", caps->CropAlignX); |
| 99 | dshowdebug(" CropAlignY\t%d\n", caps->CropAlignY); |
| 100 | dshowdebug(" MinOutputSize %ld\t%ld\n", caps->MinOutputSize.cx, caps->MinOutputSize.cy); |
| 101 | dshowdebug(" MaxOutputSize %ld\t%ld\n", caps->MaxOutputSize.cx, caps->MaxOutputSize.cy); |
| 102 | dshowdebug(" OutputGranularityX\t%d\n", caps->OutputGranularityX); |
| 103 | dshowdebug(" OutputGranularityY\t%d\n", caps->OutputGranularityY); |
| 104 | dshowdebug(" StretchTapsX\t%d\n", caps->StretchTapsX); |
| 105 | dshowdebug(" StretchTapsY\t%d\n", caps->StretchTapsY); |
| 106 | dshowdebug(" ShrinkTapsX\t%d\n", caps->ShrinkTapsX); |
| 107 | dshowdebug(" ShrinkTapsY\t%d\n", caps->ShrinkTapsY); |
| 108 | dshowdebug(" MinFrameInterval\t%"PRId64"\n", caps->MinFrameInterval); |
| 109 | dshowdebug(" MaxFrameInterval\t%"PRId64"\n", caps->MaxFrameInterval); |
| 110 | dshowdebug(" MinBitsPerSecond\t%ld\n", caps->MinBitsPerSecond); |
| 111 | dshowdebug(" MaxBitsPerSecond\t%ld\n", caps->MaxBitsPerSecond); |
| 112 | #endif |
| 113 | } |
| 114 | |
| 115 | void ff_print_AUDIO_STREAM_CONFIG_CAPS(const AUDIO_STREAM_CONFIG_CAPS *caps) |
| 116 | { |
| 117 | #if DSHOWDEBUG |
| 118 | dshowdebug(" AUDIO_STREAM_CONFIG_CAPS\n"); |
| 119 | dshowdebug(" guid\t"); |
| 120 | ff_printGUID(&caps->guid); |
| 121 | dshowdebug("\n"); |
| 122 | dshowdebug(" MinimumChannels\t%lu\n", caps->MinimumChannels); |
| 123 | dshowdebug(" MaximumChannels\t%lu\n", caps->MaximumChannels); |
| 124 | dshowdebug(" ChannelsGranularity\t%lu\n", caps->ChannelsGranularity); |
| 125 | dshowdebug(" MinimumBitsPerSample\t%lu\n", caps->MinimumBitsPerSample); |
| 126 | dshowdebug(" MaximumBitsPerSample\t%lu\n", caps->MaximumBitsPerSample); |
| 127 | dshowdebug(" BitsPerSampleGranularity\t%lu\n", caps->BitsPerSampleGranularity); |
| 128 | dshowdebug(" MinimumSampleFrequency\t%lu\n", caps->MinimumSampleFrequency); |
| 129 | dshowdebug(" MaximumSampleFrequency\t%lu\n", caps->MaximumSampleFrequency); |
| 130 | dshowdebug(" SampleFrequencyGranularity\t%lu\n", caps->SampleFrequencyGranularity); |
| 131 | #endif |
| 132 | } |
| 133 | |
| 134 | void ff_print_AM_MEDIA_TYPE(const AM_MEDIA_TYPE *type) |
| 135 | { |
| 136 | #if DSHOWDEBUG |
| 137 | dshowdebug(" majortype\t"); |
| 138 | ff_printGUID(&type->majortype); |
| 139 | dshowdebug("\n"); |
| 140 | dshowdebug(" subtype\t"); |
| 141 | ff_printGUID(&type->subtype); |
| 142 | dshowdebug("\n"); |
| 143 | dshowdebug(" bFixedSizeSamples\t%d\n", type->bFixedSizeSamples); |
| 144 | dshowdebug(" bTemporalCompression\t%d\n", type->bTemporalCompression); |
| 145 | dshowdebug(" lSampleSize\t%lu\n", type->lSampleSize); |
| 146 | dshowdebug(" formattype\t"); |
| 147 | ff_printGUID(&type->formattype); |
| 148 | dshowdebug("\n"); |
| 149 | dshowdebug(" pUnk\t%p\n", type->pUnk); |
| 150 | dshowdebug(" cbFormat\t%lu\n", type->cbFormat); |
| 151 | dshowdebug(" pbFormat\t%p\n", type->pbFormat); |
| 152 | |
| 153 | if (IsEqualGUID(&type->formattype, &FORMAT_VideoInfo)) { |
| 154 | VIDEOINFOHEADER *v = (void *) type->pbFormat; |
| 155 | dshowdebug(" rcSource: left %ld top %ld right %ld bottom %ld\n", |
| 156 | v->rcSource.left, v->rcSource.top, v->rcSource.right, v->rcSource.bottom); |
| 157 | dshowdebug(" rcTarget: left %ld top %ld right %ld bottom %ld\n", |
| 158 | v->rcTarget.left, v->rcTarget.top, v->rcTarget.right, v->rcTarget.bottom); |
| 159 | dshowdebug(" dwBitRate: %lu\n", v->dwBitRate); |
| 160 | dshowdebug(" dwBitErrorRate: %lu\n", v->dwBitErrorRate); |
| 161 | dshowdebug(" AvgTimePerFrame: %"PRId64"\n", v->AvgTimePerFrame); |
| 162 | dump_bih(NULL, &v->bmiHeader); |
| 163 | } else if (IsEqualGUID(&type->formattype, &FORMAT_VideoInfo2)) { |
| 164 | VIDEOINFOHEADER2 *v = (void *) type->pbFormat; |
| 165 | dshowdebug(" rcSource: left %ld top %ld right %ld bottom %ld\n", |
| 166 | v->rcSource.left, v->rcSource.top, v->rcSource.right, v->rcSource.bottom); |
| 167 | dshowdebug(" rcTarget: left %ld top %ld right %ld bottom %ld\n", |
| 168 | v->rcTarget.left, v->rcTarget.top, v->rcTarget.right, v->rcTarget.bottom); |
| 169 | dshowdebug(" dwBitRate: %lu\n", v->dwBitRate); |
| 170 | dshowdebug(" dwBitErrorRate: %lu\n", v->dwBitErrorRate); |
| 171 | dshowdebug(" AvgTimePerFrame: %"PRId64"\n", v->AvgTimePerFrame); |
| 172 | dshowdebug(" dwInterlaceFlags: %lu\n", v->dwInterlaceFlags); |
| 173 | dshowdebug(" dwCopyProtectFlags: %lu\n", v->dwCopyProtectFlags); |
| 174 | dshowdebug(" dwPictAspectRatioX: %lu\n", v->dwPictAspectRatioX); |
| 175 | dshowdebug(" dwPictAspectRatioY: %lu\n", v->dwPictAspectRatioY); |
| 176 | // dshowdebug(" dwReserved1: %lu\n", v->u.dwReserved1); /* mingw-w64 is buggy and doesn't name unnamed unions */ |
| 177 | dshowdebug(" dwReserved2: %lu\n", v->dwReserved2); |
| 178 | dump_bih(NULL, &v->bmiHeader); |
| 179 | } else if (IsEqualGUID(&type->formattype, &FORMAT_WaveFormatEx)) { |
| 180 | WAVEFORMATEX *fx = (void *) type->pbFormat; |
| 181 | dshowdebug(" wFormatTag: %u\n", fx->wFormatTag); |
| 182 | dshowdebug(" nChannels: %u\n", fx->nChannels); |
| 183 | dshowdebug(" nSamplesPerSec: %lu\n", fx->nSamplesPerSec); |
| 184 | dshowdebug(" nAvgBytesPerSec: %lu\n", fx->nAvgBytesPerSec); |
| 185 | dshowdebug(" nBlockAlign: %u\n", fx->nBlockAlign); |
| 186 | dshowdebug(" wBitsPerSample: %u\n", fx->wBitsPerSample); |
| 187 | dshowdebug(" cbSize: %u\n", fx->cbSize); |
| 188 | } |
| 189 | #endif |
| 190 | } |