/** * FreeRDP: A Remote Desktop Protocol Implementation * Video Redirection Virtual Channel - Codec * * Copyright 2010-2011 Vic Lee * Copyright 2012 Hewlett-Packard Development Company, L.P. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include "tsmf_decoder.h" #include "tsmf_constants.h" #include "tsmf_types.h" #include "tsmf_codec.h" #include #define TAG CHANNELS_TAG("tsmf.client") typedef struct _TSMFMediaTypeMap { BYTE guid[16]; const char* name; int type; } TSMFMediaTypeMap; static const TSMFMediaTypeMap tsmf_major_type_map[] = { /* 73646976-0000-0010-8000-00AA00389B71 */ { { 0x76, 0x69, 0x64, 0x73, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 }, "MEDIATYPE_Video", TSMF_MAJOR_TYPE_VIDEO }, /* 73647561-0000-0010-8000-00AA00389B71 */ { { 0x61, 0x75, 0x64, 0x73, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 }, "MEDIATYPE_Audio", TSMF_MAJOR_TYPE_AUDIO }, { { 0 }, "Unknown", TSMF_MAJOR_TYPE_UNKNOWN } }; static const TSMFMediaTypeMap tsmf_sub_type_map[] = { /* 31435657-0000-0010-8000-00AA00389B71 */ { { 0x57, 0x56, 0x43, 0x31, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 }, "MEDIASUBTYPE_WVC1", TSMF_SUB_TYPE_WVC1 }, /* 00000160-0000-0010-8000-00AA00389B71 */ { { 0x60, 0x01, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 }, "MEDIASUBTYPE_WMAudioV1", /* V7, V8 has the same GUID */ TSMF_SUB_TYPE_WMA1 }, /* 00000161-0000-0010-8000-00AA00389B71 */ { { 0x61, 0x01, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 }, "MEDIASUBTYPE_WMAudioV2", /* V7, V8 has the same GUID */ TSMF_SUB_TYPE_WMA2 }, /* 00000162-0000-0010-8000-00AA00389B71 */ { { 0x62, 0x01, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 }, "MEDIASUBTYPE_WMAudioV9", TSMF_SUB_TYPE_WMA9 }, /* 00000055-0000-0010-8000-00AA00389B71 */ { { 0x55, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 }, "MEDIASUBTYPE_MP3", TSMF_SUB_TYPE_MP3 }, /* E06D802B-DB46-11CF-B4D1-00805F6CBBEA */ { { 0x2B, 0x80, 0x6D, 0xE0, 0x46, 0xDB, 0xCF, 0x11, 0xB4, 0xD1, 0x00, 0x80, 0x5F, 0x6C, 0xBB, 0xEA }, "MEDIASUBTYPE_MPEG2_AUDIO", TSMF_SUB_TYPE_MP2A }, /* E06D8026-DB46-11CF-B4D1-00805F6CBBEA */ { { 0x26, 0x80, 0x6D, 0xE0, 0x46, 0xDB, 0xCF, 0x11, 0xB4, 0xD1, 0x00, 0x80, 0x5F, 0x6C, 0xBB, 0xEA }, "MEDIASUBTYPE_MPEG2_VIDEO", TSMF_SUB_TYPE_MP2V }, /* 31564D57-0000-0010-8000-00AA00389B71 */ { { 0x57, 0x4D, 0x56, 0x31, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 }, "MEDIASUBTYPE_WMV1", TSMF_SUB_TYPE_WMV1 }, /* 32564D57-0000-0010-8000-00AA00389B71 */ { { 0x57, 0x4D, 0x56, 0x32, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 }, "MEDIASUBTYPE_WMV2", TSMF_SUB_TYPE_WMV2 }, /* 33564D57-0000-0010-8000-00AA00389B71 */ { { 0x57, 0x4D, 0x56, 0x33, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 }, "MEDIASUBTYPE_WMV3", TSMF_SUB_TYPE_WMV3 }, /* 00001610-0000-0010-8000-00AA00389B71 */ { { 0x10, 0x16, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 }, "MEDIASUBTYPE_MPEG_HEAAC", TSMF_SUB_TYPE_AAC }, /* 34363248-0000-0010-8000-00AA00389B71 */ { { 0x48, 0x32, 0x36, 0x34, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 }, "MEDIASUBTYPE_H264", TSMF_SUB_TYPE_H264 }, /* 31435641-0000-0010-8000-00AA00389B71 */ { { 0x41, 0x56, 0x43, 0x31, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 }, "MEDIASUBTYPE_AVC1", TSMF_SUB_TYPE_AVC1 }, /* 3334504D-0000-0010-8000-00AA00389B71 */ { { 0x4D, 0x50, 0x34, 0x33, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 }, "MEDIASUBTYPE_MP43", TSMF_SUB_TYPE_MP43 }, /* 5634504D-0000-0010-8000-00AA00389B71 */ { { 0x4D, 0x50, 0x34, 0x56, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 }, "MEDIASUBTYPE_MP4S", TSMF_SUB_TYPE_MP4S }, /* 3234504D-0000-0010-8000-00AA00389B71 */ { { 0x4D, 0x50, 0x34, 0x32, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 }, "MEDIASUBTYPE_MP42", TSMF_SUB_TYPE_MP42 }, /* 3253344D-0000-0010-8000-00AA00389B71 */ { { 0x4D, 0x34, 0x53, 0x32, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 }, "MEDIASUBTYPE_MP42", TSMF_SUB_TYPE_M4S2 }, /* E436EB81-524F-11CE-9F53-0020AF0BA770 */ { { 0x81, 0xEB, 0x36, 0xE4, 0x4F, 0x52, 0xCE, 0x11, 0x9F, 0x53, 0x00, 0x20, 0xAF, 0x0B, 0xA7, 0x70 }, "MEDIASUBTYPE_MP1V", TSMF_SUB_TYPE_MP1V }, /* 00000050-0000-0010-8000-00AA00389B71 */ { { 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 }, "MEDIASUBTYPE_MP1A", TSMF_SUB_TYPE_MP1A }, /* E06D802C-DB46-11CF-B4D1-00805F6CBBEA */ { { 0x2C, 0x80, 0x6D, 0xE0, 0x46, 0xDB, 0xCF, 0x11, 0xB4, 0xD1, 0x00, 0x80, 0x5F, 0x6C, 0xBB, 0xEA }, "MEDIASUBTYPE_DOLBY_AC3", TSMF_SUB_TYPE_AC3 }, /* 32595559-0000-0010-8000-00AA00389B71 */ { { 0x59, 0x55, 0x59, 0x32, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 }, "MEDIASUBTYPE_YUY2", TSMF_SUB_TYPE_YUY2 }, /* Opencodec IDS */ { { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 }, "MEDIASUBTYPE_FLAC", TSMF_SUB_TYPE_FLAC }, { { 0x61, 0x34, 0x70, 0x6D, 0x7A, 0x76, 0x4D, 0x49, 0xB4, 0x78, 0xF2, 0x9D, 0x25, 0xDC, 0x90, 0x37 }, "MEDIASUBTYPE_OGG", TSMF_SUB_TYPE_OGG }, { { 0x4D, 0x34, 0x53, 0x32, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 }, "MEDIASUBTYPE_H263", TSMF_SUB_TYPE_H263 }, /* WebMMF codec IDS */ { { 0x56, 0x50, 0x38, 0x30, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 }, "MEDIASUBTYPE_VP8", TSMF_SUB_TYPE_VP8 }, { { 0x0B, 0xD1, 0x2F, 0x8D, 0x41, 0x58, 0x6B, 0x4A, 0x89, 0x05, 0x58, 0x8F, 0xEC, 0x1A, 0xDE, 0xD9 }, "MEDIASUBTYPE_OGG", TSMF_SUB_TYPE_OGG }, { { 0 }, "Unknown", TSMF_SUB_TYPE_UNKNOWN } }; static const TSMFMediaTypeMap tsmf_format_type_map[] = { /* AED4AB2D-7326-43CB-9464-C879CAB9C43D */ { { 0x2D, 0xAB, 0xD4, 0xAE, 0x26, 0x73, 0xCB, 0x43, 0x94, 0x64, 0xC8, 0x79, 0xCA, 0xB9, 0xC4, 0x3D }, "FORMAT_MFVideoFormat", TSMF_FORMAT_TYPE_MFVIDEOFORMAT }, /* 05589F81-C356-11CE-BF01-00AA0055595A */ { { 0x81, 0x9F, 0x58, 0x05, 0x56, 0xC3, 0xCE, 0x11, 0xBF, 0x01, 0x00, 0xAA, 0x00, 0x55, 0x59, 0x5A }, "FORMAT_WaveFormatEx", TSMF_FORMAT_TYPE_WAVEFORMATEX }, /* E06D80E3-DB46-11CF-B4D1-00805F6CBBEA */ { { 0xE3, 0x80, 0x6D, 0xE0, 0x46, 0xDB, 0xCF, 0x11, 0xB4, 0xD1, 0x00, 0x80, 0x5F, 0x6C, 0xBB, 0xEA }, "FORMAT_MPEG2_VIDEO", TSMF_FORMAT_TYPE_MPEG2VIDEOINFO }, /* F72A76A0-EB0A-11D0-ACE4-0000C0CC16BA */ { { 0xA0, 0x76, 0x2A, 0xF7, 0x0A, 0xEB, 0xD0, 0x11, 0xAC, 0xE4, 0x00, 0x00, 0xC0, 0xCC, 0x16, 0xBA }, "FORMAT_VideoInfo2", TSMF_FORMAT_TYPE_VIDEOINFO2 }, /* 05589F82-C356-11CE-BF01-00AA0055595A */ { { 0x82, 0x9F, 0x58, 0x05, 0x56, 0xC3, 0xCE, 0x11, 0xBF, 0x01, 0x00, 0xAA, 0x00, 0x55, 0x59, 0x5A }, "FORMAT_MPEG1_VIDEO", TSMF_FORMAT_TYPE_MPEG1VIDEOINFO }, { { 0 }, "Unknown", TSMF_FORMAT_TYPE_UNKNOWN } }; static void tsmf_print_guid(const BYTE* guid) { #ifdef WITH_DEBUG_TSMF char guidString[37]; snprintf(guidString, sizeof(guidString), "%02" PRIX8 "%02" PRIX8 "%02" PRIX8 "%02" PRIX8 "-%02" PRIX8 "%02" PRIX8 "-%02" PRIX8 "%02" PRIX8 "-%02" PRIX8 "%02" PRIX8 "-%02" PRIX8 "%02" PRIX8 "%02" PRIX8 "%02" PRIX8 "%02" PRIX8 "%02" PRIX8 "", guid[3], guid[2], guid[1], guid[0], guid[5], guid[4], guid[7], guid[6], guid[8], guid[9], guid[10], guid[11], guid[12], guid[13], guid[14], guid[15]); WLog_INFO(TAG, "%s", guidString); #endif } /* http://msdn.microsoft.com/en-us/library/dd318229.aspx */ static UINT32 tsmf_codec_parse_BITMAPINFOHEADER(TS_AM_MEDIA_TYPE* mediatype, wStream* s, BOOL bypass) { UINT32 biSize; UINT32 biWidth; UINT32 biHeight; if (Stream_GetRemainingLength(s) < 40) return 0; Stream_Read_UINT32(s, biSize); Stream_Read_UINT32(s, biWidth); Stream_Read_UINT32(s, biHeight); Stream_Seek(s, 28); if (mediatype->Width == 0) mediatype->Width = biWidth; if (mediatype->Height == 0) mediatype->Height = biHeight; /* Assume there will be no color table for video? */ if ((biSize < 40) || (Stream_GetRemainingLength(s) < (biSize - 40))) return 0; if (bypass && biSize > 40) Stream_Seek(s, biSize - 40); return (bypass ? biSize : 40); } /* http://msdn.microsoft.com/en-us/library/dd407326.aspx */ static UINT32 tsmf_codec_parse_VIDEOINFOHEADER2(TS_AM_MEDIA_TYPE* mediatype, wStream* s) { UINT64 AvgTimePerFrame; /* VIDEOINFOHEADER2.rcSource, RECT(LONG left, LONG top, LONG right, LONG bottom) */ if (Stream_GetRemainingLength(s) < 72) return 0; Stream_Seek_UINT32(s); Stream_Seek_UINT32(s); Stream_Read_UINT32(s, mediatype->Width); Stream_Read_UINT32(s, mediatype->Height); /* VIDEOINFOHEADER2.rcTarget */ Stream_Seek(s, 16); /* VIDEOINFOHEADER2.dwBitRate */ Stream_Read_UINT32(s, mediatype->BitRate); /* VIDEOINFOHEADER2.dwBitErrorRate */ Stream_Seek_UINT32(s); /* VIDEOINFOHEADER2.AvgTimePerFrame */ Stream_Read_UINT64(s, AvgTimePerFrame); mediatype->SamplesPerSecond.Numerator = 1000000; mediatype->SamplesPerSecond.Denominator = (int)(AvgTimePerFrame / 10LL); /* Remaining fields before bmiHeader */ Stream_Seek(s, 24); return 72; } /* http://msdn.microsoft.com/en-us/library/dd390700.aspx */ static UINT32 tsmf_codec_parse_VIDEOINFOHEADER(TS_AM_MEDIA_TYPE* mediatype, wStream* s) { /* typedef struct tagVIDEOINFOHEADER { RECT rcSource; //16 RECT rcTarget; //16 32 DWORD dwBitRate; //4 36 DWORD dwBitErrorRate; //4 40 REFERENCE_TIME AvgTimePerFrame; //8 48 BITMAPINFOHEADER bmiHeader; } VIDEOINFOHEADER; */ UINT64 AvgTimePerFrame; if (Stream_GetRemainingLength(s) < 48) return 0; /* VIDEOINFOHEADER.rcSource, RECT(LONG left, LONG top, LONG right, LONG bottom) */ Stream_Seek_UINT32(s); Stream_Seek_UINT32(s); Stream_Read_UINT32(s, mediatype->Width); Stream_Read_UINT32(s, mediatype->Height); /* VIDEOINFOHEADER.rcTarget */ Stream_Seek(s, 16); /* VIDEOINFOHEADER.dwBitRate */ Stream_Read_UINT32(s, mediatype->BitRate); /* VIDEOINFOHEADER.dwBitErrorRate */ Stream_Seek_UINT32(s); /* VIDEOINFOHEADER.AvgTimePerFrame */ Stream_Read_UINT64(s, AvgTimePerFrame); mediatype->SamplesPerSecond.Numerator = 1000000; mediatype->SamplesPerSecond.Denominator = (int)(AvgTimePerFrame / 10LL); return 48; } static BOOL tsmf_read_format_type(TS_AM_MEDIA_TYPE* mediatype, wStream* s, UINT32 cbFormat) { UINT32 i, j; switch (mediatype->FormatType) { case TSMF_FORMAT_TYPE_MFVIDEOFORMAT: /* http://msdn.microsoft.com/en-us/library/aa473808.aspx */ if (Stream_GetRemainingLength(s) < 176) return FALSE; Stream_Seek(s, 8); /* dwSize and ? */ Stream_Read_UINT32(s, mediatype->Width); /* videoInfo.dwWidth */ Stream_Read_UINT32(s, mediatype->Height); /* videoInfo.dwHeight */ Stream_Seek(s, 32); /* videoInfo.FramesPerSecond */ Stream_Read_UINT32(s, mediatype->SamplesPerSecond.Numerator); Stream_Read_UINT32(s, mediatype->SamplesPerSecond.Denominator); Stream_Seek(s, 80); Stream_Read_UINT32(s, mediatype->BitRate); /* compressedInfo.AvgBitrate */ Stream_Seek(s, 36); if (cbFormat > 176) { mediatype->ExtraDataSize = cbFormat - 176; mediatype->ExtraData = Stream_Pointer(s); } break; case TSMF_FORMAT_TYPE_WAVEFORMATEX: /* http://msdn.microsoft.com/en-us/library/dd757720.aspx */ if (Stream_GetRemainingLength(s) < 18) return FALSE; Stream_Seek_UINT16(s); Stream_Read_UINT16(s, mediatype->Channels); Stream_Read_UINT32(s, mediatype->SamplesPerSecond.Numerator); mediatype->SamplesPerSecond.Denominator = 1; Stream_Read_UINT32(s, mediatype->BitRate); mediatype->BitRate *= 8; Stream_Read_UINT16(s, mediatype->BlockAlign); Stream_Read_UINT16(s, mediatype->BitsPerSample); Stream_Read_UINT16(s, mediatype->ExtraDataSize); if (mediatype->ExtraDataSize > 0) { if (Stream_GetRemainingLength(s) < mediatype->ExtraDataSize) return FALSE; mediatype->ExtraData = Stream_Pointer(s); } break; case TSMF_FORMAT_TYPE_MPEG1VIDEOINFO: /* http://msdn.microsoft.com/en-us/library/dd390700.aspx */ i = tsmf_codec_parse_VIDEOINFOHEADER(mediatype, s); if (!i) return FALSE; j = tsmf_codec_parse_BITMAPINFOHEADER(mediatype, s, TRUE); if (!j) return FALSE; i += j; if (cbFormat > i) { mediatype->ExtraDataSize = cbFormat - i; if (Stream_GetRemainingLength(s) < mediatype->ExtraDataSize) return FALSE; mediatype->ExtraData = Stream_Pointer(s); } break; case TSMF_FORMAT_TYPE_MPEG2VIDEOINFO: /* http://msdn.microsoft.com/en-us/library/dd390707.aspx */ i = tsmf_codec_parse_VIDEOINFOHEADER2(mediatype, s); if (!i) return FALSE; j = tsmf_codec_parse_BITMAPINFOHEADER(mediatype, s, TRUE); if (!j) return FALSE; i += j; if (cbFormat > i) { mediatype->ExtraDataSize = cbFormat - i; if (Stream_GetRemainingLength(s) < mediatype->ExtraDataSize) return FALSE; mediatype->ExtraData = Stream_Pointer(s); } break; case TSMF_FORMAT_TYPE_VIDEOINFO2: i = tsmf_codec_parse_VIDEOINFOHEADER2(mediatype, s); if (!i) return FALSE; j = tsmf_codec_parse_BITMAPINFOHEADER(mediatype, s, FALSE); if (!j) return FALSE; i += j; if (cbFormat > i) { mediatype->ExtraDataSize = cbFormat - i; if (Stream_GetRemainingLength(s) < mediatype->ExtraDataSize) return FALSE; mediatype->ExtraData = Stream_Pointer(s); } break; default: WLog_INFO(TAG, "unhandled format type 0x%x", mediatype->FormatType); break; } return TRUE; } BOOL tsmf_codec_parse_media_type(TS_AM_MEDIA_TYPE* mediatype, wStream* s) { UINT32 cbFormat; BOOL ret = TRUE; int i; ZeroMemory(mediatype, sizeof(TS_AM_MEDIA_TYPE)); /* MajorType */ DEBUG_TSMF("MediaMajorType:"); if (Stream_GetRemainingLength(s) < 16) return FALSE; tsmf_print_guid(Stream_Pointer(s)); for (i = 0; tsmf_major_type_map[i].type != TSMF_MAJOR_TYPE_UNKNOWN; i++) { if (memcmp(tsmf_major_type_map[i].guid, Stream_Pointer(s), 16) == 0) break; } mediatype->MajorType = tsmf_major_type_map[i].type; if (mediatype->MajorType == TSMF_MAJOR_TYPE_UNKNOWN) ret = FALSE; DEBUG_TSMF("MediaMajorType %s", tsmf_major_type_map[i].name); Stream_Seek(s, 16); /* SubType */ DEBUG_TSMF("MediaSubType:"); if (Stream_GetRemainingLength(s) < 16) return FALSE; tsmf_print_guid(Stream_Pointer(s)); for (i = 0; tsmf_sub_type_map[i].type != TSMF_SUB_TYPE_UNKNOWN; i++) { if (memcmp(tsmf_sub_type_map[i].guid, Stream_Pointer(s), 16) == 0) break; } mediatype->SubType = tsmf_sub_type_map[i].type; if (mediatype->SubType == TSMF_SUB_TYPE_UNKNOWN) ret = FALSE; DEBUG_TSMF("MediaSubType %s", tsmf_sub_type_map[i].name); Stream_Seek(s, 16); /* bFixedSizeSamples, bTemporalCompression, SampleSize */ if (Stream_GetRemainingLength(s) < 12) return FALSE; Stream_Seek(s, 12); /* FormatType */ DEBUG_TSMF("FormatType:"); if (Stream_GetRemainingLength(s) < 16) return FALSE; tsmf_print_guid(Stream_Pointer(s)); for (i = 0; tsmf_format_type_map[i].type != TSMF_FORMAT_TYPE_UNKNOWN; i++) { if (memcmp(tsmf_format_type_map[i].guid, Stream_Pointer(s), 16) == 0) break; } mediatype->FormatType = tsmf_format_type_map[i].type; if (mediatype->FormatType == TSMF_FORMAT_TYPE_UNKNOWN) ret = FALSE; DEBUG_TSMF("FormatType %s", tsmf_format_type_map[i].name); Stream_Seek(s, 16); /* cbFormat */ if (Stream_GetRemainingLength(s) < 4) return FALSE; Stream_Read_UINT32(s, cbFormat); DEBUG_TSMF("cbFormat %" PRIu32 "", cbFormat); #ifdef WITH_DEBUG_TSMF winpr_HexDump(TAG, WLOG_DEBUG, Stream_Pointer(s), cbFormat); #endif ret = tsmf_read_format_type(mediatype, s, cbFormat); if (mediatype->SamplesPerSecond.Numerator == 0) mediatype->SamplesPerSecond.Numerator = 1; if (mediatype->SamplesPerSecond.Denominator == 0) mediatype->SamplesPerSecond.Denominator = 1; return ret; } BOOL tsmf_codec_check_media_type(const char* decoder_name, wStream* s) { BYTE* m; BOOL ret = FALSE; TS_AM_MEDIA_TYPE mediatype; static BOOL decoderAvailable = FALSE; static BOOL firstRun = TRUE; if (firstRun) { firstRun = FALSE; if (tsmf_check_decoder_available(decoder_name)) decoderAvailable = TRUE; } Stream_GetPointer(s, m); if (decoderAvailable) ret = tsmf_codec_parse_media_type(&mediatype, s); Stream_SetPointer(s, m); if (ret) { ITSMFDecoder* decoder = tsmf_load_decoder(decoder_name, &mediatype); if (!decoder) { WLog_WARN(TAG, "Format not supported by decoder %s", decoder_name); ret = FALSE; } else { decoder->Free(decoder); } } return ret; }