winamp/Src/external_dependencies/libmp4v2/mp4info.cpp

/*
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is MPEG4IP.
 *
 * The Initial Developer of the Original Code is Cisco Systems Inc.
 * Portions created by Cisco Systems Inc. are
 * Copyright (C) Cisco Systems Inc. 2001-2002.  All Rights Reserved.
 *
 * Portions created by Ximpo Group Ltd. are
 * Copyright (C) Ximpo Group Ltd. 2003, 2004.  All Rights Reserved.
 *
 * Contributor(s):
 *		Dave Mackie               dmackie@cisco.com
 *              Bill May                  wmay@cisco.com
 *		Alix Marchandise-Franquet alix@cisco.com
 *		Ximpo Group Ltd.          mp4v2@ximpo.com
 */

#include "mp4common.h"

extern "C" char* MP4PrintAudioInfo(
  MP4FileHandle mp4File,
  MP4TrackId trackId)
{
	static const char* mpeg4AudioNames[] =
	  {
	    "MPEG-4 AAC main",
	    "MPEG-4 AAC LC",
	    "MPEG-4 AAC SSR",
	    "MPEG-4 AAC LTP",
	    "MPEG-4 AAC HE",
	    "MPEG-4 AAC Scalable",
	    "MPEG-4 TwinVQ",
	    "MPEG-4 CELP",
	    "MPEG-4 HVXC",
	    NULL, NULL,
	    "MPEG-4 TTSI",
	    "MPEG-4 Main Synthetic",
	    "MPEG-4 Wavetable Syn",
	    "MPEG-4 General MIDI",
	    "MPEG-4 Algo Syn and Audio FX",
	    "MPEG-4 ER AAC LC",
	    NULL,
	    "MPEG-4 ER AAC LTP",
	    "MPEG-4 ER AAC Scalable",
	    "MPEG-4 ER TwinVQ",
	    "MPEG-4 ER BSAC",
	    "MPEG-4 ER ACC LD",
	    "MPEG-4 ER CELP",
	    "MPEG-4 ER HVXC",
	    "MPEG-4 ER HILN",
	    "MPEG-4 ER Parametric",
	    "MPEG-4 SSC",
	    "MPEG-4 PS",
	    "MPEG-4 MPEG Surround",
	    NULL,
	    "MPEG-4 Layer-1",
	    "MPEG-4 Layer-2",
	    "MPEG-4 Layer-3",
	    "MPEG-4 DST",
	    "MPEG-4 Audio Lossless",
	    "MPEG-4 SLS",
	    "MPEG-4 SLS non-core",
	  };

	static const u_int8_t mpegAudioTypes[] =
	  {
	    MP4_MPEG2_AAC_MAIN_AUDIO_TYPE,	// 0x66
	    MP4_MPEG2_AAC_LC_AUDIO_TYPE,	// 0x67
	    MP4_MPEG2_AAC_SSR_AUDIO_TYPE,	// 0x68
	    MP4_MPEG2_AUDIO_TYPE,			// 0x69
	    MP4_MPEG1_AUDIO_TYPE,			// 0x6B
	    // private types
	    MP4_PCM16_LITTLE_ENDIAN_AUDIO_TYPE,
	    MP4_VORBIS_AUDIO_TYPE,
	    MP4_ALAW_AUDIO_TYPE,
	    MP4_ULAW_AUDIO_TYPE,
	    MP4_G723_AUDIO_TYPE,
	    MP4_PCM16_BIG_ENDIAN_AUDIO_TYPE,
	  };
	static const char* mpegAudioNames[] =
	  {
	    "MPEG-2 AAC Main",
	    "MPEG-2 AAC LC",
	    "MPEG-2 AAC SSR",
	    "MPEG-2 Audio (13818-3)",
	    "MPEG-1 Audio (11172-3)",
	    // private types
	    "PCM16 (little endian)",
	    "Vorbis",
	    "G.711 aLaw",
	    "G.711 uLaw",
	    "G.723.1",
	    "PCM16 (big endian)",
	  };
	u_int8_t numMpegAudioTypes =
	  sizeof(mpegAudioTypes) / sizeof(u_int8_t);

	const char* typeName = "Unknown";
	bool foundType = false;
	u_int8_t type = 0;
	const char *media_data_name;

	media_data_name = MP4GetTrackMediaDataName(mp4File, trackId);
	u_int32_t timeScale = 0;
	if (media_data_name == NULL)
	{
		typeName = "Unknown - no media data name";
	}
	else if (strcasecmp(media_data_name, "samr") == 0)
	{
		typeName = "AMR";
		foundType = true;
	}
	else if (strcasecmp(media_data_name, "sawb") == 0)
	{
		typeName = "AMR-WB";
		foundType = true;
	}
	else if (strcasecmp(media_data_name, "mp4a") == 0)
	{

		type = MP4GetTrackEsdsObjectTypeId(mp4File, trackId);
		switch (type)
		{
			case MP4_INVALID_AUDIO_TYPE:
				typeName = "AAC from .mov";
				foundType = true;
				break;
			case MP4_MPEG4_AUDIO_TYPE:
			{
				type = MP4GetTrackAudioMpeg4Type(mp4File, trackId);
				if (type == MP4_MPEG4_INVALID_AUDIO_TYPE ||
				    type > NUM_ELEMENTS_IN_ARRAY(mpeg4AudioNames) ||
				    mpeg4AudioNames[type - 1] == NULL)
				{
					typeName = "MPEG-4 Unknown Profile";
				}
				else
				{
					if (type == 2)
					{
						u_int8_t* pAacConfig = NULL;
						u_int32_t aacConfigLength;

						MP4GetTrackESConfiguration(mp4File,
						                           trackId,
						                           &pAacConfig,
						                           &aacConfigLength);

						if (aacConfigLength >= 5	&& (pAacConfig[4] >> 7) == 1)
						{
							int samplingRates[]={96000,88200,64000,48000,44100,32000,24000,22050,16000,12000,11025,8000,-1};
							type = 5;
							int index = (pAacConfig[4] >> 3) & 0x7;
							timeScale = samplingRates[index];
						}
						MP4Free(pAacConfig);
					}
					typeName = mpeg4AudioNames[type - 1];
					foundType = true;
				}
				break;
			}
			// fall through
			default:
				for (u_int8_t i = 0; i < numMpegAudioTypes; i++)
				{
					if (type == mpegAudioTypes[i])
					{
						typeName = mpegAudioNames[i];
						foundType = true;
						break;
					}
				}
		}
	}
	else
	{
		typeName = media_data_name;
		foundType = true;
	}

	if (!timeScale)
		timeScale = MP4GetTrackTimeScale(mp4File, trackId);

	MP4Duration trackDuration =
	  MP4GetTrackDuration(mp4File, trackId);

	double msDuration =
	  UINT64_TO_DOUBLE(MP4ConvertFromTrackDuration(mp4File, trackId,
	                   trackDuration, MP4_MSECS_TIME_SCALE));


	char *sInfo = (char*)MP4Malloc(256);

	// type duration avgBitrate samplingFrequency
	if (foundType)
		snprintf(sInfo, 256,
		         "%s",
		         typeName);
	else
		snprintf(sInfo, 256,
		         "%s(%u)",
		         typeName,
		         type);

	return sInfo;
}
static const struct
{
	uint8_t profile;
	const char *name;
}
VisualProfileToName[] = {
                          { MPEG4_SP_L1, "MPEG-4 Simple @ L1"},
                          { MPEG4_SP_L2, "MPEG-4 Simple @ L2" },
                          { MPEG4_SP_L3, "MPEG-4 Simple @ L3" },
                          { MPEG4_SP_L0, "MPEG-4 Simple @ L0" },
                          { MPEG4_SSP_L1, "MPEG-4 Simple Scalable @ L1"},
                          { MPEG4_SSP_L2, "MPEG-4 Simple Scalable @ L2" },
                          { MPEG4_CP_L1, "MPEG-4 Core @ L1"},
                          { MPEG4_CP_L2, "MPEG-4 Core @ L2"},
                          { MPEG4_MP_L2, "MPEG-4 Main @ L2"},
                          { MPEG4_MP_L3, "MPEG-4 Main @ L3"},
                          { MPEG4_MP_L4, "MPEG-4 Main @ L4"},
                          { MPEG4_NBP_L2, "MPEG-4 N-bit @ L2"},
                          { MPEG4_STP_L1, "MPEG-4  Scalable Texture @ L1"},
                          { MPEG4_SFAP_L1, "MPEG-4 Simple Face Anim @ L1"},
                          { MPEG4_SFAP_L2, "MPEG-4  Simple Face Anim @ L2"},
                          { MPEG4_SFBAP_L1, "MPEG-4  Simple FBA @ L1"},
                          { MPEG4_SFBAP_L2, "MPEG-4 Simple FBA @ L2"},
                          { MPEG4_BATP_L1, "MPEG-4 Basic Anim Text @ L1"},
                          { MPEG4_BATP_L2, "MPEG-4 Basic Anim Text @ L2"},
                          { MPEG4_HP_L1, "MPEG-4 Hybrid @ L1"},
                          { MPEG4_HP_L2, "MPEG-4 Hybrid @ L2"},
                          { MPEG4_ARTSP_L1, "MPEG-4 Adv RT Simple @ L1"},
                          { MPEG4_ARTSP_L2, "MPEG-4 Adv RT Simple @ L2"},
                          { MPEG4_ARTSP_L3, "MPEG-4 Adv RT Simple @ L3"},
                          { MPEG4_ARTSP_L4, "MPEG-4 Adv RT Simple @ L4"},
                          { MPEG4_CSP_L1, "MPEG-4 Core Scalable @ L1"},
                          { MPEG4_CSP_L2, "MPEG-4 Core Scalable @ L2"},
                          { MPEG4_CSP_L3, "MPEG-4 Core Scalable @ L3"},
                          { MPEG4_ACEP_L1, "MPEG-4 Adv Coding Efficieny @ L1"},
                          { MPEG4_ACEP_L2, "MPEG-4 Adv Coding Efficieny @ L2"},
                          { MPEG4_ACEP_L3, "MPEG-4 Adv Coding Efficieny @ L3"},
                          { MPEG4_ACEP_L4, "MPEG-4 Adv Coding Efficieny @ L4"},
                          { MPEG4_ACP_L1, "MPEG-4 Adv Core Profile @ L1"},
                          { MPEG4_ACP_L2, "MPEG-4 Adv Core Profile @ L2"},
                          { MPEG4_AST_L1, "MPEG-4 Adv Scalable Texture @ L1"},
                          { MPEG4_AST_L2, "MPEG-4 Adv Scalable Texture @ L2"},
                          { MPEG4_AST_L3, "MPEG-4 Adv Scalable Texture @ L3"},
                          { MPEG4_S_STUDIO_P_L1, "MPEG-4 Simple Studio @ L1"},
                          { MPEG4_S_STUDIO_P_L2, "MPEG-4 Simple Studio @ L2"},
                          { MPEG4_S_STUDIO_P_L3, "MPEG-4 Simple Studio @ L3"},
                          { MPEG4_S_STUDIO_P_L4, "MPEG-4 Simple Studio @ L4"},
                          { MPEG4_C_STUDIO_P_L1, "MPEG-4 Core Studio @ L1"},
                          { MPEG4_C_STUDIO_P_L2, "MPEG-4 Core Studio @ L2"},
                          { MPEG4_C_STUDIO_P_L3, "MPEG-4 Core Studio @ L3"},
                          { MPEG4_C_STUDIO_P_L4, "MPEG-4 Core Studio @ L4"},
                          { MPEG4_ASP_L0, "MPEG-4 Adv Simple@L0"},
                          { MPEG4_ASP_L1, "MPEG-4 Adv Simple@L1"},
                          { MPEG4_ASP_L2, "MPEG-4 Adv Simple@L2"},
                          { MPEG4_ASP_L3, "MPEG-4 Adv Simple@L3"},
                          { MPEG4_ASP_L4, "MPEG-4 Adv Simple@L4"},
                          { MPEG4_ASP_L5, "MPEG-4 Adv Simple@L5"},
                          { MPEG4_ASP_L3B, "MPEG-4 Adv Simple@L3b"},
                          { MPEG4_FGSP_L0, "MPEG-4 FGS @ L0" },
                          { MPEG4_FGSP_L1, "MPEG-4 FGS @ L1" },
                          { MPEG4_FGSP_L2, "MPEG-4 FGS @ L2" },
                          { MPEG4_FGSP_L3, "MPEG-4 FGS @ L3" },
                          { MPEG4_FGSP_L4, "MPEG-4 FGS @ L4" },
                          { MPEG4_FGSP_L5, "MPEG-4 FGS @ L5" }
                        };

static const char *Mpeg4VisualProfileName(uint8_t visual_profile)
{
	size_t size = sizeof(VisualProfileToName) / sizeof(*VisualProfileToName);

	for (size_t ix = 0; ix < size; ix++)
	{
		if (visual_profile == VisualProfileToName[ix].profile)
		{
			return (VisualProfileToName[ix].name);
		}
	}
	return (NULL);
}
extern "C" char* MP4PrintVideoInfo(
  MP4FileHandle mp4File,
  MP4TrackId trackId)
{

	static const u_int8_t mpegVideoTypes[] =
	  {
	    MP4_MPEG2_SIMPLE_VIDEO_TYPE,	// 0x60
	    MP4_MPEG2_MAIN_VIDEO_TYPE,		// 0x61
	    MP4_MPEG2_SNR_VIDEO_TYPE,		// 0x62
	    MP4_MPEG2_SPATIAL_VIDEO_TYPE,	// 0x63
	    MP4_MPEG2_HIGH_VIDEO_TYPE,		// 0x64
	    MP4_MPEG2_442_VIDEO_TYPE,		// 0x65
	    MP4_MPEG1_VIDEO_TYPE,			// 0x6A
	    MP4_JPEG_VIDEO_TYPE,			// 0x6C
	    MP4_YUV12_VIDEO_TYPE,
	    MP4_H263_VIDEO_TYPE,
	    MP4_H261_VIDEO_TYPE,
	  };
	static const char* mpegVideoNames[] =
	  {
	    "MPEG-2 Simple",
	    "MPEG-2 Main",
	    "MPEG-2 SNR",
	    "MPEG-2 Spatial",
	    "MPEG-2 High",
	    "MPEG-2 4:2:2",
	    "MPEG-1",
	    "JPEG",
	    "YUV12",
	    "H.263",
	    "H.261",
	  };
	u_int8_t numMpegVideoTypes =
	  sizeof(mpegVideoTypes) / sizeof(u_int8_t);
	bool foundTypeName = false;
	const char* typeName = "Unknown";

	const char *media_data_name;
	char originalFormat[8];
	char  oformatbuffer[32];
	originalFormat[0] = 0;
	*oformatbuffer = 0;
	uint8_t type = 0;

	media_data_name = MP4GetTrackMediaDataName(mp4File, trackId);
	// encv 264b
	if (media_data_name && strcasecmp(media_data_name, "encv") == 0)
	{
		if (MP4GetTrackMediaDataOriginalFormat(mp4File,
		                                       trackId,
		                                       originalFormat,
		                                       sizeof(originalFormat)) == false)
			media_data_name = NULL;
	}

	char  typebuffer[80];
	if (media_data_name == NULL)
	{
		typeName = "Unknown - no media data name";
		foundTypeName = true;
	}
	else if ((strcasecmp(media_data_name, "avc1") == 0) ||
	         (strcasecmp(originalFormat, "264b") == 0))
	{
		// avc
		uint8_t profile, level;
		char profileb[20], levelb[20];
		if (MP4GetTrackH264ProfileLevel(mp4File, trackId,
		                                &profile, &level))
		{
			if (profile == 44)
			{
				strcpy(profileb, "CAVLC 4:4:4");
			}
			else if (profile == 66)
			{
				strcpy(profileb, "Baseline");
			}
			else if (profile == 77)
			{
				strcpy(profileb, "Main");
			}
			else if (profile == 88)
			{
				strcpy(profileb, "Extended");
			}
			else if (profile == 100)
			{
				strcpy(profileb, "High");
			}
			else if (profile == 110)
			{
				strcpy(profileb, "High 10");
			}
			else if (profile == 122)
			{
				strcpy(profileb, "High 4:2:2");
			}
			else if (profile == 144 || profile == 244)
			{
				strcpy(profileb, "High 4:4:4");
			}
			else
			{
				snprintf(profileb, 20, "Unknown Profile %x", profile);
			}
			switch (level)
			{
case 10: case 20: case 30: case 40: case 50:
					snprintf(levelb, 20, "%u", level / 10);
					break;
		case 11: case 12: case 13:
			case 21: case 22:
			case 31: case 32:
			case 41: case 42:
				case 51:
					snprintf(levelb, 20, "%u.%u", level / 10, level % 10);
					break;
				default:
					snprintf(levelb, 20, "unknown level %x", level);
					break;
			}
			if (originalFormat != NULL && originalFormat[0] != '\0')
				snprintf(oformatbuffer, 32, "(%s) ", originalFormat);
			snprintf(typebuffer, sizeof(typebuffer), "H.264 %s%s@%s",
			         oformatbuffer, profileb, levelb);
			typeName = typebuffer;
		}
		else
		{
			typeName = "H.264 - profile/level error";
		}
		foundTypeName = true;
	}
	else if (strcasecmp(media_data_name, "s263") == 0)
	{
		// 3gp h.263
		typeName = "H.263";
		foundTypeName = true;
	}
	else if ((strcasecmp(media_data_name, "mp4v") == 0) ||
	         (strcasecmp(media_data_name, "encv") == 0))
	{
		// note encv might needs it's own field eventually.
		type = MP4GetTrackEsdsObjectTypeId(mp4File, trackId);
		if (type == MP4_MPEG4_VIDEO_TYPE)
		{
			type = MP4GetVideoProfileLevel(mp4File, trackId);
			typeName = Mpeg4VisualProfileName(type);
			if (typeName == NULL)
			{
				typeName = "MPEG-4 Unknown Profile";
			}
			else
			{
				foundTypeName = true;
			}
		}
		else
		{
			for (u_int8_t i = 0; i < numMpegVideoTypes; i++)
			{
				if (type == mpegVideoTypes[i])
				{
					typeName = mpegVideoNames[i];
					foundTypeName = true;
					break;
				}
			}
		}
	}
	else
	{
		typeName = media_data_name;
		foundTypeName = true; // we don't have a type value to display
	}

	MP4Duration trackDuration =
	  MP4GetTrackDuration(mp4File, trackId);

	double msDuration =
	  UINT64_TO_DOUBLE(MP4ConvertFromTrackDuration(mp4File, trackId,
	                   trackDuration, MP4_MSECS_TIME_SCALE));


	// Note not all mp4 implementations set width and height correctly
	// The real answer can be buried inside the ES configuration info
	u_int16_t width = MP4GetTrackVideoWidth(mp4File, trackId);

	u_int16_t height = MP4GetTrackVideoHeight(mp4File, trackId);

	double fps = MP4GetTrackVideoFrameRate(mp4File, trackId);

	char *sInfo = (char*)MP4Malloc(256);

	// type duration avgBitrate frameSize frameRate
	if (foundTypeName)
	{
		sprintf(sInfo,
		        "%s",
		        typeName);
	}
	else
	{
		sprintf(sInfo,
		        "%s(%u)",
						typeName,
		        type);
	}

	return sInfo;
}
static char* PrintCntlInfo(
  MP4FileHandle mp4File,
  MP4TrackId trackId)
{
	const char *media_data_name = MP4GetTrackMediaDataName(mp4File, trackId);
	const char *typeName = "Unknown";

	if (media_data_name == NULL)
	{
		typeName = "Unknown - no media data name";
	}
	else if (strcasecmp(media_data_name, "href") == 0)
	{
		typeName = "ISMA Href";
	}
	else
	{
		typeName = media_data_name;
	}

	MP4Duration trackDuration =
	  MP4GetTrackDuration(mp4File, trackId);

	double msDuration =
	  UINT64_TO_DOUBLE(MP4ConvertFromTrackDuration(mp4File, trackId,
	                   trackDuration, MP4_MSECS_TIME_SCALE));
	char *sInfo = (char *)MP4Malloc(256);

	snprintf(sInfo, 256,
	         "%u\tcontrol\t%s, %.3f secs\r\n",
	         trackId,
	         typeName,
	         msDuration / 1000.0);
	return sInfo;
}


static char* PrintHintInfo(
  MP4FileHandle mp4File,
  MP4TrackId trackId)
{
	MP4TrackId referenceTrackId =
	  MP4GetHintTrackReferenceTrackId(mp4File, trackId);

	char* payloadName = NULL;
	if (!MP4GetHintTrackRtpPayload(mp4File, trackId, &payloadName))
		return NULL;

	char *sInfo = (char*)MP4Malloc(256);

	snprintf(sInfo, 256,
	         "%u\thint\tPayload %s for track %u\r\n",
	         trackId,
	         payloadName,
	         referenceTrackId);

	free(payloadName);

	return sInfo;
}
#if 0
static char* PrintTrackInfo(
  MP4FileHandle mp4File,
  MP4TrackId trackId)
{
	char* trackInfo = NULL;

	const char* trackType =
	  MP4GetTrackType(mp4File, trackId);
	if (trackType == NULL) return NULL;

	if (!strcmp(trackType, MP4_AUDIO_TRACK_TYPE))
	{
		trackInfo = PrintAudioInfo(mp4File, trackId);
	}
	else if (!strcmp(trackType, MP4_VIDEO_TRACK_TYPE))
	{
		trackInfo = PrintVideoInfo(mp4File, trackId);
	}
	else if (!strcmp(trackType, MP4_HINT_TRACK_TYPE))
	{
		trackInfo = PrintHintInfo(mp4File, trackId);
	}
	else if (strcmp(trackType, MP4_CNTL_TRACK_TYPE) == 0)
	{
		trackInfo = PrintCntlInfo(mp4File, trackId);
	}
	else
	{
		trackInfo = (char*)MP4Malloc(256);
		if (!strcmp(trackType, MP4_OD_TRACK_TYPE))
		{
			snprintf(trackInfo, 256,
			         "%u\tod\tObject Descriptors\r\n",
			         trackId);
		}
		else if (!strcmp(trackType, MP4_SCENE_TRACK_TYPE))
		{
			snprintf(trackInfo, 256,
			         "%u\tscene\tBIFS\r\n",
			         trackId);
		}
		else
		{
			snprintf(trackInfo, 256,
			         "%u\t%s\r\n",
			         trackId, trackType);
		}
	}

	return trackInfo;
}

extern "C" char* MP4Info(
	  MP4FileHandle mp4File,
	  MP4TrackId trackId)
{
	char* info = NULL;

	if (MP4_IS_VALID_FILE_HANDLE(mp4File))
	{
		try
		{
			if (trackId == MP4_INVALID_TRACK_ID)
			{
				uint buflen = 4 * 1024;
				info = (char*)MP4Calloc(buflen);

				buflen -= snprintf(info, buflen,
				                   "Track\tType\tInfo\r\n");

				u_int32_t numTracks = MP4GetNumberOfTracks(mp4File);

				for (u_int32_t i = 0; i < numTracks; i++)
				{
					trackId = MP4FindTrackId(mp4File, i);
					char* trackInfo = PrintTrackInfo(mp4File, trackId);
					strncat(info, trackInfo, buflen);
					uint newlen = strlen(trackInfo);
					if (newlen > buflen) buflen = 0;
					else buflen -= newlen;
					MP4Free(trackInfo);
				}
			}
			else
			{
				info = PrintTrackInfo(mp4File, trackId);
			}
		}
		catch (MP4Error* e)
		{
			delete e;
		}
	}

	return info;
}

extern "C" char* MP4FileInfo(
	  const MP4_FILENAME_CHAR* fileName,
	  MP4TrackId trackId)
{
	MP4FileHandle mp4File =
	  MP4Read(fileName);

	if (!mp4File)
	{
		return NULL;
	}

	char* info = MP4Info(mp4File, trackId);

	MP4Close(mp4File);

	return info;	// caller should free this
}

#endif