/**

 * 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 <winpr/crt.h>

#include <winpr/stream.h>

#include <winpr/print.h>

#include "tsmf_decoder.h"

#include "tsmf_constants.h"

#include "tsmf_types.h"

#include "tsmf_codec.h"

#include <freerdp/log.h>

#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)

{

	int 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;

}