/applications/mp4box/main.c

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/*
 *			GPAC - Multimedia Framework C SDK
 *
 *			Authors: Jean Le Feuvre
 *			Copyright (c) Telecom ParisTech 2000-2012
 *					All rights reserved
 *
 *  This file is part of GPAC / mp4box application
 *
 *  GPAC 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, or (at your option)
 *  any later version.
 *
 *  GPAC 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 this library; see the file COPYING.  If not, write to
 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */


#include "../../include/gpac/download.h"
#include "../../include/gpac/network.h"

#ifndef GPAC_DISABLE_SMGR
#include "../../include/gpac/scene_manager.h"
#endif

#ifdef GPAC_DISABLE_ISOM

#error "Cannot compile MP4Box if GPAC is not built with ISO File Format support"

#else

#if defined(WIN32) && !defined(_WIN32_WCE)
#include <io.h>
#include <fcntl.h>
#endif

#include "../../include/gpac/media_tools.h"

/*RTP packetizer flags*/
#ifndef GPAC_DISABLE_STREAMING
#include "../../include/gpac/ietf.h"
#endif

#ifndef GPAC_DISABLE_MCRYPT
#include "../../include/gpac/ismacryp.h"
#endif

#include "../../include/gpac/constants.h"

#include "../../include/gpac/internal/mpd.h"

#include <time.h>

#if defined(__MINGW32__) || defined(_MSC_VER)
#include <mbstring.h>
#endif

#define BUFFSIZE	8192

/*in fileimport.c*/

#ifndef GPAC_DISABLE_MEDIA_IMPORT
void convert_file_info(char *inName, u32 trackID);
#endif

#ifndef GPAC_DISABLE_ISOM_WRITE

GF_Err import_file(GF_ISOFile *dest, char *inName, u32 import_flags, Double force_fps, u32 frames_per_sample);
GF_Err split_isomedia_file(GF_ISOFile *mp4, Double split_dur, u32 split_size_kb, char *inName, Double interleaving_time, Double chunk_start, Bool adjust_split_end, char *outName, const char *tmpdir);
GF_Err cat_isomedia_file(GF_ISOFile *mp4, char *fileName, u32 import_flags, Double force_fps, u32 frames_per_sample, char *tmp_dir, Bool force_cat, Bool align_timelines, Bool allow_add_in_command);

#if !defined(GPAC_DISABLE_SCENE_ENCODER)
GF_Err EncodeFile(char *in, GF_ISOFile *mp4, GF_SMEncodeOptions *opts, FILE *logs);
GF_Err EncodeFileChunk(char *chunkFile, char *bifs, char *inputContext, char *outputContext, const char *tmpdir);
#endif

GF_ISOFile *package_file(char *file_name, char *fcc, const char *tmpdir, Bool make_wgt);

#endif

GF_Err dump_cover_art(GF_ISOFile *file, char *inName);
GF_Err dump_chapters(GF_ISOFile *file, char *inName, Bool dump_ogg);
u32 id3_get_genre_tag(const char *name);

/*in filedump.c*/
#ifndef GPAC_DISABLE_SCENE_DUMP
GF_Err dump_file_text(char *file, char *inName, u32 dump_mode, Bool do_log);
#endif
#ifndef GPAC_DISABLE_SCENE_STATS
void dump_scene_stats(char *file, char *inName, u32 stat_level);
#endif
void PrintNode(const char *name, u32 graph_type);
void PrintBuiltInNodes(u32 graph_type);

#ifndef GPAC_DISABLE_ISOM_DUMP
void dump_isom_xml(GF_ISOFile *file, char *inName);
#endif


#ifndef GPAC_DISABLE_ISOM_HINTING
#ifndef GPAC_DISABLE_ISOM_DUMP
void dump_file_rtp(GF_ISOFile *file, char *inName);
#endif
void DumpSDP(GF_ISOFile *file, char *inName);
#endif

void dump_file_timestamps(GF_ISOFile *file, char *inName);
void dump_file_nal(GF_ISOFile *file, u32 trackID, char *inName);

#ifndef GPAC_DISABLE_ISOM_DUMP
void dump_file_ismacryp(GF_ISOFile *file, char *inName);
void dump_timed_text_track(GF_ISOFile *file, u32 trackID, char *inName, Bool is_convert, u32 dump_type);
#endif /*GPAC_DISABLE_ISOM_DUMP*/


void DumpTrackInfo(GF_ISOFile *file, u32 trackID, Bool full_dump);
void DumpMovieInfo(GF_ISOFile *file);
void PrintLanguages();
const char *GetLanguageCode(char *lang);

#ifndef GPAC_DISABLE_MPEG2TS
void dump_mpeg2_ts(char *mpeg2ts_file, char *pes_out_name, Bool prog_num);
#endif


#if !defined(GPAC_DISABLE_STREAMING) && !defined(GPAC_DISABLE_SENG)
void PrintStreamerUsage();
int stream_file_rtp(int argc, char **argv);
int live_session(int argc, char **argv);
void PrintLiveUsage();
#endif

#if !defined(GPAC_DISABLE_STREAMING)
u32 grab_live_m2ts(const char *grab_m2ts, const char *outName);
#endif

int mp4boxTerminal(int argc, char **argv);

u32 quiet = 0;
Bool dvbhdemux =0;
Bool keep_sys_tracks = 0;


/*some global vars for swf import :(*/
u32 swf_flags = 0;
Float swf_flatten_angle = 0;
s32 laser_resolution = 0;


typedef struct { u32 code; const char *name; const char *comment; } itunes_tag;
static const itunes_tag itags[] = {
	{GF_ISOM_ITUNE_ALBUM_ARTIST, "album_artist", "usage: album_artist=album artist"},
	{GF_ISOM_ITUNE_ALBUM, "album", "usage: album=name" },
	{GF_ISOM_ITUNE_TRACKNUMBER, "tracknum", "usage: track=x/N"},
	{GF_ISOM_ITUNE_TRACK, "track", "usage: track=name"},
	{GF_ISOM_ITUNE_ARTIST, "artist", "usage: artist=name"},
	{GF_ISOM_ITUNE_COMMENT, "comment", "usage: comment=any comment"},
	{GF_ISOM_ITUNE_COMPILATION, "compilation", "usage: compilation=yes,no"},
	{GF_ISOM_ITUNE_COMPOSER, "composer", "usage: composer=name"},
	{GF_ISOM_ITUNE_CREATED, "created", "usage: created=time"},
	{GF_ISOM_ITUNE_DISK, "disk", "usage: disk=x/N"},
	{GF_ISOM_ITUNE_TOOL, "tool", "usage: tool=name"},
	{GF_ISOM_ITUNE_GENRE, "genre", "usage: genre=name"},
	{GF_ISOM_ITUNE_NAME, "name", "usage: name=name"},
	{GF_ISOM_ITUNE_TEMPO, "tempo", "usage: tempo=integer"},
	{GF_ISOM_ITUNE_WRITER, "writer", "usage: writer=name"},
	{GF_ISOM_ITUNE_GROUP, "group", "usage: group=name"},
	{GF_ISOM_ITUNE_COVER_ART, "cover", "usage: cover=file.jpg,file.png"},
	{GF_ISOM_ITUNE_ENCODER, "encoder", "usage: encoder=name"},
	{GF_ISOM_ITUNE_GAPLESS, "gapless", "usage: gapless=yes,no"},
};

u32 nb_itunes_tags = sizeof(itags) / sizeof(itunes_tag);


void PrintVersion()
{
	fprintf(stderr, "MP4Box - GPAC version " GPAC_FULL_VERSION "\n"
#ifdef GPAC_CONFIG_EXTRA_INFORMATION
		GPAC_CONFIG_EXTRA_INFORMATION "\n"
#endif
		"GPAC Copyright (c) Telecom ParisTech 2000-2012\n"
		"GPAC Configuration: " GPAC_CONFIGURATION "\n"
		"Features: %s\n", gpac_features());
}

void PrintGeneralUsage()
{
	fprintf(stderr, "General Options:\n"
#ifdef GPAC_MEMORY_TRACKING
			" -mem-track:  enables memory tracker\n"
#endif
			" -strict-error        exits after the first error is reported\n"
			" -inter time_in_ms    interleaves file data (track chunks of time_in_ms)\n"
			"                       * Note 1: Interleaving is 0.5s by default\n"
			"                       * Note 2: Performs drift checking accross tracks\n"
			"                       * Note 3: a value of 0 disables interleaving\n"
			" -old-inter time      same as -inter but doesn't perform drift checking\n"
			" -tight               performs tight interleaving (sample based) of the file\n"
			"                       * Note: reduces disk seek but increases file size\n"
			" -flat                stores file with all media data first, non-interleaved\n"
			" -frag time_in_ms     fragments file (track fragments of time_in_ms)\n"
			"                       * Note: Always disables interleaving\n"
			" -ffspace size        inserts free space before moof in fragmented files\n"
			" -out filename        specifies output file name\n"
			"                       * Note: By default input (MP4,3GP) file is overwritten\n"
			" -tmp dirname         specifies directory for temporary file creation\n"
			"                       * Note: Default temp dir is OS-dependent\n"
			" -write-buffer SIZE   specifies write buffer in bytes for ISOBMF files\n"
			" -no-sys              removes all MPEG-4 Systems info except IOD (profiles)\n"
			"                       * Note: Set by default whith '-add' and '-cat'\n"
			" -no-iod              removes InitialObjectDescriptor from file\n"
			" -isma                rewrites the file as an ISMA 1.0 AV file\n"
			" -ismax               same as \'-isma\' and removes all clock references\n"
			" -3gp                 rewrites as 3GPP(2) file (no more MPEG-4 Systems Info)\n"
			"                       * Note 1: some tracks may be removed in the process\n"
			"                       * Note 2: always on for *.3gp *.3g2 *.3gpp\n"
			" -ipod                rewrites the file for iPod\n"
			" -psp                 rewrites the file for PSP devices\n"
			" -brand ABCD[:v]      sets major brand of file, with optional version\n"
			" -ab ABCD             adds given brand to file's alternate brand list\n"
			" -rb ABCD             removes given brand from file's alternate brand list\n"
			" -cprt string         adds copyright string to movie\n"
			" -chap file           adds chapter information contained in file\n"
			" -rem trackID         removes track from file\n"
			" -enable trackID      enables track\n"
			" -disable trackID     disables track\n"
			" -new                 forces creation of a new destination file\n"
			" -lang [tkID=]LAN     sets track language. LAN is the ISO 639-2 code (eng, und)\n"
			" -delay tkID=TIME     sets track start delay in ms.\n"
			" -par tkID=PAR        sets visual track pixel aspect ratio (PAR=N:D or \"none\")\n"
			" -name tkID=NAME      sets track handler name\n"
			"                       * NAME can indicate a UTF-8 file (\"file://file name\"\n"
			" -itags tag1[:tag2]   sets iTunes tags to file - more info: MP4Box -tag-list.\n"
			" -split time_sec      splits in files of time_sec max duration\n"
			"                       * Note: this removes all MPEG-4 Systems media\n"
			" -split-size size     splits in files of max filesize kB. same as -splits.\n"
			"                       * Note: this removes all MPEG-4 Systems media\n"
			" -split-rap           splits in files begining at each RAP. same as -splitr.\n"
			"                       * Note: this removes all MPEG-4 Systems media\n"
			" -split-chunk S:E     extracts a new file from Start to End (in seconds). same as -splitx\n"
			"                       * Note: this removes all MPEG-4 Systems media\n"
			" -splitz S:E          same as -split-chunk, but adjust the end time to be before the last RAP sample\n"
			"                       * Note: this removes all MPEG-4 Systems media\n"
			" -group-add fmt       creates a new grouping information in the file. Format is\n"
			"                      a colon-separated list of following options:\n"
			"                      refTrack=ID: ID of the track used as a group reference.\n"
			"                       If not set, the track will belong to the same group as the previous trackID specified.\n"
			"                       If 0 or no previous track specified, a new alternate group will be created\n"
			"                      switchID=ID: ID of the switch group to create.\n"
			"                       If 0, a new ID will be computed for you\n"
			"                       If <0, disables SwitchGroup\n"
			"                      criteria=string: list of space-separated 4CCs.\n"
			"                      trackID=ID: ID of the track to add to this group.\n"
			"\n"
			"                       *WARNING* Options modify state as they are parsed:\n"
			"                        trackID=1:criteria=lang:trackID=2\n"
			"                       is different from:\n"
			"                        criteria=lang:trackID=1:trackID=2\n"
			"\n"
			" -group-rem-track ID  removes track from its group\n"
			" -group-rem ID        removes the track's group\n"
			" -group-clean         removes all group information from all tracks\n"
 	        " -group-single        puts all tracks in a single group\n"
			" -ref id:XXXX:refID   adds a reference of type 4CC from track ID to track refID\n"
			" -keep-utc            keeps UTC timing in the file after edit\n"
			"\n");
}

void PrintDASHUsage()
{
	fprintf(stderr, "DASH Options:\n"
			" -dash dur            enables DASH-ing of the file(s) with a segment duration of DUR ms\n"
			"                       Note: the duration of a fragment (subsegment) is set\n"
			"                       using the -frag switch.\n"
			"                       Note: for onDemand profile, sets duration of a subsegment\n"
			" -frag time_in_ms     Specifies a fragment duration of time_in_ms.\n"
			"                       * Note: By default, this is the DASH duration\n"
			" -out filename        specifies output MPD file name.\n"
			" -tmp dirname         specifies directory for temporary file creation\n"
			"                       * Note: Default temp dir is OS-dependent\n"
			" -profile NAME   specifies the target DASH profile: \"onDemand\", \"live\", \"main\", \"simple\", \"full\"\n"
			"                       * This will set default option values to ensure conformance to the desired profile\n"
			"                       * Default profile is \"full\" in static mode, \"live\" in dynamic mode\n"
			"\n"
			"Input media files to dash can use the following modifiers\n"
			" \"#trackID=N\"       only uses the track ID N from the source file\n"
			" \"#video\"           only uses the first video track from the source file\n"
			" \"#audio\"           only uses the first video track from the source file\n"
			" \":id=NAME\"         sets the representation ID to NAME\n"
			" \":period=NAME\"     sets the representation's period to NAME. Multiple periods may be used\n"
			"                       period appear in the MPD in the same order as specified with this option\n"
			" \":bandwidth=VALUE\" sets the representation's bandwidth to a given value\n"
			" \":role=VALUE\"      sets the role of this representation (cf DASH spec).\n"
			"                       media with different roles belong to different adaptation sets.\n"
			"\n"
			" -rap                 segments begin with random access points\n"
			"                       Note: segment duration may not be exactly what asked by\n"
			"                       \"-dash\" since encoded video data is not modified\n"
			" -frag-rap            All fragments begin with random access points\n"
			"                       Note: fragment duration may not be exactly what is asked by\n"
			"                       \"-frag\" since encoded video data is not modified\n"
			" -segment-name name   sets the segment name for generated segments\n"
			"                       If not set (default), segments are concatenated in output file\n"
			"                        except in \"live\" profile where dash_%%s is used\n"
			" -segment-ext name    sets the segment extension. Default is m4s, \"null\" means no extension\n"
			" -segment-timeline    Uses SegmentTimeline when generating segments. NOT SUPPORTED BY LIVE/CTX MODE YET.\n"
			" -segment-marker MARK Adds a box of type \'MARK\' at the end of each DASH segment. MARK shall be a 4CC identifier\n"
			" -base-url string     sets Base url at MPD level. Can be used several times.\n"
			" -mpd-title string    sets MPD title.\n"
			" -mpd-source string   sets MPD source.\n"
			" -mpd-info-url string sets MPD info url.\n"
			" -cprt string         adds copyright string to MPD\n"
			" -dash-live[=F] dur   generates a live DASH session using dur segment duration, optionnally writing live context to F\n"
			"                       MP4Box will run the live session until \'q\' is pressed or a fatal error occurs.\n"
			" -ddbg-live[=F] dur   same as -dash-live without time regulation for debug purposes.\n"
			" -dash-ctx FILE       stores/restore DASH timing from FILE.\n"
			" -dynamic             uses dynamic MPD type instead of static.\n"
			" -mpd-refresh TIME    specifies MPD update time in seconds.\n"
			" -time-shift  TIME    specifies MPD time shift buffer depth in seconds (default 0). Specify -1 to keep all files\n"
			" -subdur DUR          specifies maximum duration in ms of the input file to be dashed in LIVE or context mode.\n"
			"                       NOTE: This does not change the segment duration: dashing stops once segments produced exceeded the duration.\n"
			" -min-buffer TIME     specifies MPD min buffer time in milliseconds\n"
			" -ast-offset TIME     specifies MPD AvailabilityStartTime offset in seconds. Default is 1 sec delay\n"
			" -dash-scale SCALE    specifies that timing for -dash and -frag are expressed in SCALE units per seconds\n"
			" -mem-frags           fragments will be produced in memory rather than on disk before flushing to disk\n"
			" -pssh-moof           stores PSSH boxes in first moof of each segments. By default PSSH are stored in movie box.\n"

			"\n"
			"Advanced Options, should not be needed when using -dash-profile:\n"
			" -subsegs-per-sidx N  sets the number of subsegments to be written in each SIDX box\n"
			"                       If 0, a single SIDX box is used per segment\n"
			"                       If -1, no SIDX box is used\n"
			" -url-template        uses SegmentTemplate instead of explicit sources in segments.\n"
			"                       Ignored if segments are stored in the output file.\n"
			" -daisy-chain         uses daisy-chain SIDX instead of hierarchical. Ignored if frags/sidx is 0.\n"
			" -single-segment      uses a single segment for the whole file (OnDemand profile). \n"
			" -single-file         uses a single file for the whole file (default). \n"
			" -bs-switching MODE   sets bitstream switching to \"inband\" (default), \"merge\", \"no\" or \"single\" to test with single input.\n"
			" -moof-sn N           sets sequence number of first moof to N\n"
			" -tfdt N              sets TFDT of first traf to N in SCALE units (cf -dash-scale)\n"
			" -no-frag-default     disables default flags in fragments\n"
			" -dash-ts-prog N      program_number to be considered in case of an MPTS input file.\n"
			"\n");
}

void PrintFormats()
{
	fprintf(stderr, "Suppported raw formats and file extensions:\n"
			" NHNT                 .media .nhnt .info\n"
			" NHML                 .nhml (opt: .media .info)\n"
			" MPEG-1-2 Video       .m1v .m2v\n"
			" MPEG-4 Video         .cmp .m4v\n"
			" H263 Video           .263 .h263\n"
			" AVC/H264 Video       .h264 .h26L .264 .26L\n"
			" JPEG Images          .jpg .jpeg\n"
			" PNG Images           .png\n"
			" MPEG 1-2 Audio       .mp3, .m1a, .m2a\n"
			" ADTS-AAC Audio       .aac\n"
			" AMR(WB) Audio        .amr .awb\n"
			" EVRC Audio           .evc\n"
			" SMV Audio            .smv\n"
			"\n"
			"Supported containers and file extensions:\n"
			" AVI                  .avi\n"
			" MPEG-2 PS            .mpg .mpeg .vob .vcd .svcd\n"
			" MPEG-2 TS            .ts .m2t\n"
			" QCP                  .qcp\n"
			" OGG                  .ogg\n"
			" ISO-Media files      no extension checking\n"
			"\n"
			"Supported text formats:\n"
			" SRT Subtitles        .srt\n"
			" SUB Subtitles        .sub\n"
			" GPAC Timed Text      .ttxt\n"
			" QuickTime TeXML Text .xml  (cf QT documentation)\n"
			"\n"
			"Supported Scene formats:\n"
			" MPEG-4 XMT-A         .xmt .xmta .xmt.gz .xmta.gz\n"
			" MPEG-4 BT            .bt .bt.gz\n"
			" VRML                 .wrl .wrl.gz\n"
			" X3D-XML              .x3d .x3d.gz\n"
			" X3D-VRML             .x3dv .x3dv.gz\n"
			" MacroMedia Flash     .swf (very limited import support only)\n"
			"\n"
		);
}

void PrintImportUsage()
{
	fprintf(stderr, "Importing Options\n"
			"\nFile importing syntax:\n"
			" \"#video\" \"#audio\"  base import for most AV files\n"
			" \"#trackID=ID\"        track import for IsoMedia and other files\n"
			" \"#pid=ID\"            stream import from MPEG-2 TS\n"
			" \":dur=D\"             imports only the first D seconds\n"
			" \":lang=LAN\"          sets imported media language code\n"
			" \":delay=delay_ms\"    sets imported media initial delay in ms\n"
			" \":par=PAR\"           sets visual pixel aspect ratio (PAR=Num:Den)\n"
			" \":name=NAME\"         sets track handler name\n"
			" \":ext=EXT\"           overrides file extension when importing\n"
			" \":hdlr=code\"         sets track handler type to the given code point (4CC)\n"
			" \":disable\"           imported track(s) will be disabled\n"
			" \":group=G\"           adds the track as part of the G alternate group.\n"
			"                         If G is 0, the first available GroupID will be picked.\n"
			" \":fps=VAL\"           same as -fps option\n"
			" \":agg=VAL\"           same as -agg option\n"
			" \":par=VAL\"           same as -par option\n"
			" \":dref\"              same as -dref option\n"
			" \":nodrop\"            same as -nodrop option\n"
			" \":packed\"            same as -packed option\n"
			" \":sbr\"               same as -sbr option\n"
			" \":sbrx\"              same as -sbrx option\n"
			" \":ps\"                same as -ps option\n"
			" \":psx\"               same as -psx option\n"
			" \":ovsbr\"             same as -ovsbr option\n"
			" \":mpeg4\"             same as -mpeg4 option\n"
			" \":svc\"               import SVC with explicit signaling (no AVC base compatibility)\n"
			" \":nosvc\"             discard SVC data when importing\n"
			" \":svcmode=MODE\"      sets SVC import mode:\n"
			" \"                       split : each AVC/SVC layer is in its own track\n"
			" \"                       merge : all AVC/SVC layers are merged in a single track\n"
			" \"                       splitbase : all SVC layers are merged in a track, and the AVC base in another\n"
			" \":subsamples\"        adds SubSample information for AVC+SVC\n"
			" \":forcesync\"         forces non IDR samples with I slices to be marked as sync points (AVC GDR)\n"
			"       !! RESULTING FILE IS NOT COMPLIANT WITH THE SPEC but will fix seeking in most players\n"
			" \":font=name\"         specifies font name for text import (default \"Serif\")\n"
			" \":size=s\"            specifies font size for text import (default 18)\n"
			" \":stype=4CC\"         forces the sample description type to a different value\n"
			"                         !! THIS MAY BREAK THE FILE WRITING !!\n"
			" \":chap\"              specifies the track is a chapter track\n"
			" \":chapter=NAME\"      adds a single chapter (old nero format) with given name lasting the entire file\n"
			"                         This command can be used in -cat as well\n"
			" \":chapfile=file\"     adds a chapter file (old nero format)\n"
			"                         This command can be used in -cat as well\n"
			" \":profile\"           forces the profile for the H.264 content\n"
			"                         - high444, high, extended, main, baseline\n"
			"                         *WARNING* wrong value may cause playback issue\n"
			" \":compat\"            forces the profile compatibity flags for the H.264 content\n"
			"                         *WARNING* wrong value may cause playback issue\n"
			" \":level\"             forces the level for the H.264 content\n"
			"                         *Note: If value < 6, interpreted as decimal expression\n"
			" \":vidformat\"         forces the video_format flag in VUI for the H.264 content\n"
			"                         - component, pal, ntsc, secam, mac, undef\n"
			" \":fullrange\"         forces the video_full_range_flag in VUI for the H.264 content\n"
			"                         - on, off\n"
			" \":colorprim\"         forces the colour_primaries flag in VUI for the H.264 content\n"
			"                         - bt709, undef, bt470m, bt470bg, smpte170m, smpte240m, film\n"
			" \":transfer\"          forces the transfer_characteristics flag in VUI for the H.264 content\n"
			"                         - bt709, undef, bt470m, bt470bg, smpte170m, smpte240m, linear\n"
			"                           log100, log316\n"
			" \":colmatrix\"         forces the matrix_coefficients flag in VUI for the H.264 content\n"
			"                         - GBR, bt709, undef, fcc, bt470bg, smpte170m, smpte240m, YCgCo\n"
			" \":layout=WxHxXxY\"    specifies the track layout\n"
			"                         - if W (resp H) = 0, the max width (resp height) of\n"
			"                         the tracks in the file are used.\n"
			"                         - if Y=-1, the layout is moved to the bottom of the\n"
			"                         track area\n"
			"                         - X and Y can be omitted (:layout=WxH)\n"
			" \":rescale=TS\"        forces media timescale to TS !! changes the media duration\n"
			" \":timescale=TS\"      sets import timescale to TS\n"
			" \":swf-global\"        all SWF defines are placed in first scene replace\n"
			"                         * Note: By default SWF defines are sent when needed\n"
			" \":swf-no-ctrl\"       uses a single stream for movie control and dictionary\n"
			"                         * Note: this will disable ActionScript\n"
			" \":swf-no-text\"       removes all SWF text\n"
			" \":swf-no-font\"       removes all embedded SWF Fonts (terminal fonts used)\n"
			" \":swf-no-line\"       removes all lines from SWF shapes\n"
			" \":swf-no-grad\"       removes all gradients from swf shapes\n"
			" \":swf-quad\"          uses quadratic bezier curves instead of cubic ones\n"
			" \":swf-xlp\"           support for lines transparency and scalability\n"
			" \":swf-flatten=ang\"   complementary angle below which 2 lines are merged\n"
			"                         * Note: angle \'0\' means no flattening\n"
			"\n"
			" \":negctts\"           uses negative CTS-DTS offsets (ISO4 brand)\n"
			" -add file              add file tracks to (new) output file\n"
			" -cat file              concatenates file samples to (new) output file\n"
			"                         * Note: creates tracks if needed\n"
			"                         * Note: aligns initial timestamp of the file to be concatenated.\n"
			" -catx file             same as cat but new tracks can be imported before concatenation by specifying '+ADD_COMMAND'\n"
			"                        where ADD_COMMAND is a regular -add syntax\n"
			" -unalign-cat           does not attempt to align timestamps of samples inbetween tracks\n"
			" -force-cat             skips media configuration check when concatenating file\n"
			"                         !!! THIS MAY BREAK THE CONCATENATED TRACK(S) !!!\n"
			" -keep-sys              keeps all MPEG-4 Systems info when using '-add' / 'cat'\n"
			" -keep-all              keeps all existing tracks when using '-add'\n"
			"                         * Note: only used when adding IsoMedia files\n"
			"\n"
			"All the following options can be specified as default or for each track.\n"
			"When specified by track the syntax is \":opt\" or \":opt=val\".\n\n"
			" -dref                  keeps media data in original file\n"
			" -no-drop               forces constant FPS when importing AVI video\n"
			" -packed                forces packed bitstream when importing raw ASP\n"
			" -sbr                   backward compatible signaling of AAC-SBR\n"
			" -sbrx                  non-backward compatible signaling of AAC-SBR\n"
			" -ps                    backward compatible signaling of AAC-PS\n"
			" -psx                   non-backward compatible signaling of AAC-PS\n"
			" -ovsbr                 oversample SBR\n"
			"                         * Note: SBR AAC, PS AAC and oversampled SBR cannot be detected at import time\n"
			" -fps FPS               forces frame rate for video and SUB subtitles import\n"
			"                         FPS is either a number or expressed as timescale-increment\n"
			"                         * For raw H263 import, default FPS is 15\n"
			"                         * For all other imports, default FPS is 25\n"
			"                         !! THIS IS IGNORED FOR IsoMedia IMPORT !!\n"
			" -mpeg4                 forces MPEG-4 sample descriptions when possible (3GPP2)\n"
			"                         For AAC, forces MPEG-4 AAC signaling even if MPEG-2\n"
			" -agg N                 aggregates N audio frames in 1 sample (3GP media only)\n"
			"                         * Note: Maximum value is 15 - Disabled by default\n"
			"\n"
			);
}

void PrintEncodeUsage()
{
	fprintf(stderr, "MPEG-4 Scene Encoding Options\n"
			" -mp4                 specify input file is for encoding.\n"
			" -def                 encode DEF names\n"
			" -sync time_in_ms     forces BIFS sync sample generation every time_in_ms\n"
			"                       * Note: cannot be used with -shadow\n"
			" -shadow time_ms      forces BIFS sync shadow sample generation every time_ms.\n"
			"                       * Note: cannot be used with -sync\n"
			" -log                 generates scene codec log file if available\n"
			" -ms file             specifies file for track importing\n"
			"\nChunk Processing\n"
			" -ctx-in file         specifies initial context (MP4/BT/XMT)\n"
			"                       * Note: input file must be a commands-only file\n"
			" -ctx-out file        specifies storage of updated context (MP4/BT/XMT)\n"
			"\n"
			"LASeR Encoding options\n"
			" -resolution res      resolution factor (-8 to 7, default 0)\n"
			"                       all coords are multiplied by 2^res before truncation\n"
			" -coord-bits bits     bits used for encoding truncated coordinates\n"
			"                       (0 to 31, default 12)\n"
			" -scale-bits bits     extra bits used for encoding truncated scales\n"
			"                       (0 to 4, default 0)\n"
			" -auto-quant res      resolution is given as if using -resolution\n"
			"                       but coord-bits and scale-bits are infered\n"
			);
}

void PrintEncryptUsage()
{
	fprintf(stderr, "ISMA Encryption/Decryption Options\n"
			" -crypt drm_file      crypts a specific track using ISMA AES CTR 128\n"
			" -decrypt [drm_file]  decrypts a specific track using ISMA AES CTR 128\n"
			"                       * Note: drm_file can be omitted if keys are in file\n"
			" -set-kms kms_uri     changes KMS location for all tracks or a given one.\n"
			"                       * to adress a track, use \'tkID=kms_uri\'\n"
			"\n"
			"DRM file syntax for GPAC ISMACryp:\n"
			"                      File is XML and shall start with xml header\n"
			"                      File root is an \"ISMACryp\" element\n"
			"                      File is a list of \"cryptrack\" elements\n"
			"\n"
			"cryptrack attributes are\n"
			" TrackID              ID of track to en/decrypt\n"
			" key                  AES-128 key formatted (hex string \'0x\'+32 chars)\n"
			" salt                 CTR IV salt key (64 bits) (hex string \'0x\'+16 chars)\n"
			"\nEncryption only attributes:\n"
			" Scheme_URI           URI of scheme used\n"
			" KMS_URI              URI of key management system\n"
			"                       * Note: \'self\' writes key and salt in the file\n"
			" selectiveType        selective encryption type - understood values are:\n"
			"   \"None\"             all samples encrypted (default)\n"
			"   \"RAP\"              only encrypts random access units\n"
			"   \"Non-RAP\"          only encrypts non-random access units\n"
			"   \"Rand\"             random selection is performed\n"
			"   \"X\"                Encrypts every first sample out of X (uint)\n"
			"   \"RandX\"            Encrypts one random sample out of X (uint)\n"
			"\n"
			" ipmpType             IPMP Signaling Type: None, IPMP, IPMPX\n"
			" ipmpDescriptorID     IPMP_Descriptor ID to use if IPMP(X) is used\n"
			"                       * If not set MP4Box will generate one for you\n"
			"\n"
		);
}

void PrintHintUsage()
{
	fprintf(stderr, "Hinting Options\n"
			" -hint                hints the file for RTP/RTSP\n"
			" -mtu size            specifies RTP MTU (max size) in bytes. Default size is 1450\n"
			"                       * Note: this includes the RTP header (12 bytes)\n"
			" -copy                copies media data to hint track rather than reference\n"
			"                       * Note: speeds up server but takes much more space\n"
			" -multi [maxptime]    enables frame concatenation in RTP packets if possible\n"
			"        maxptime       max packet duration in ms (optional, default 100ms)\n"
			" -rate ck_rate        specifies rtp rate in Hz when no default for payload\n"
			"                       * Note: default value is 90000 (MPEG rtp rates)\n"
			" -mpeg4               forces MPEG-4 generic payload whenever possible\n"
			" -latm                forces MPG4-LATM transport for AAC streams\n"
			" -static              enables static RTP payload IDs whenever possible\n"
			"                       * By default, dynamic payloads are always used\n"
			"\n"
			"MPEG-4 Generic Payload Options\n"
			" -ocr                 forces all streams to be synchronized\n"
			"                       * Most RTSP servers only support synchronized streams\n"
			" -rap                 signals random access points in RTP packets\n"
			" -ts                  signals AU Time Stamps in RTP packets\n"
			" -size                signals AU size in RTP packets\n"
			" -idx                 signals AU sequence numbers in RTP packets\n"
			" -iod                 prevents systems tracks embedding in IOD\n"
			"                       * Note: shouldn't be used with -isma option\n"
			"\n"
			" -add-sdp string      adds sdp string to (hint) track (\"-add-sdp tkID:string\")\n"
			"                       or movie. This will take care of SDP lines ordering\n"
			" -unhint              removes all hinting information.\n"
			"\n");
}
void PrintExtractUsage()
{
    fprintf(stderr, "Extracting Options:\n"
			" -raw TrackID         extracts track in raw format when supported\n"
			"                      :output=FileName sets the output filename for this extraction \n"
			" -raws TrackID        extract each track sample to a file\n"
			"                       * Note: \"TrackID:N\" extracts Nth sample\n"
			" -nhnt TrackID        extracts track in nhnt format\n"
			" -nhml TrackID        extracts track in nhml format (XML nhnt).\n"
			"                       * Note: \"-nhml TrackID:full\" for full dump\n"
			" -webvtt-raw TrackID  extracts raw media track in WebVTT as metadata.\n"
			"                       * Note: \"-webvtt-raw TrackID:embedded\" to include media data in the WebVTT file\n"
			" -six TrackID		   extracts raw media track in experimental XML streaming instructions.\n"
			" -single TrackID      extracts track to a new mp4 file\n"
			" -avi TrackID         extracts visual track to an avi file\n"
			" -qcp TrackID         same as \'-raw\' but defaults to QCP file for EVRC/SMV\n"
			" -aviraw TK           extracts AVI track in raw format\n"
			"                       $TK can be one of \"video\" \"audio\" \"audioN\"\n"
			" -saf                 remux file to SAF multiplex\n"
			" -dvbhdemux           demux DVB-H file into IP Datagrams\n"
			"                       * Note: can be used when encoding scene descriptions\n"
			" -raw-layer ID        same as -raw but skips SVC/MVC extractors when extracting\n"
			" -diod                extracts file IOD in raw format when supported\n"
			"\n"
#if !defined(GPAC_DISABLE_STREAMING)
			" -grab-ts IP:port     grabs TS over UDP or RTP at IP:port location to output TS file\n"
#endif
			"\n");
}
void PrintDumpUsage()
{
	fprintf(stderr, "Dumping Options\n"
			" -stdb                dumps/write to stdout and assumes stdout is opened in binary mode\n"
			" -std                 dumps/write to stdout and try to reopen stdout in binary mode.\n"
			" -info [trackID]      prints movie info / track info if trackID specified\n"
			"                       * Note: for non IsoMedia files, gets import options\n"
			" -bt                  scene to bt format - removes unknown MPEG4 nodes\n"
			" -xmt                 scene to XMT-A format - removes unknown MPEG4 nodes\n"
			" -wrl                 scene VRML format - removes unknown VRML nodes\n"
			" -x3d                 scene to X3D/XML format - removes unknown X3D nodes\n"
			" -x3dv                scene to X3D/VRML format - removes unknown X3D nodes\n"
			" -lsr                 scene to LASeR format\n"
			" -diso                scene IsoMedia file boxes in XML output\n"
			" -drtp                rtp hint samples structure to XML output\n"
			" -dts                 prints sample timing to text output\n"
			" -dnal trackID        prints NAL sample info of given track\n"
			" -sdp                 dumps SDP description of hinted file\n"
			" -dcr                 ISMACryp samples structure to XML output\n"
			" -dump-cover          Extracts cover art\n"
			" -dump-chap           Extracts chapter file\n"
			"\n"
#ifndef GPAC_DISABLE_ISOM_WRITE
			" -ttxt                Converts input subtitle to GPAC TTXT format\n"
#endif
			" -ttxt TrackID        Dumps Text track to GPAC TTXT format\n"
#ifndef GPAC_DISABLE_ISOM_WRITE
			" -srt                 Converts input subtitle to SRT format\n"
#endif
			" -srt TrackID         Dumps Text track to SRT format\n"
			"\n"
			" -stat                generates node/field statistics for scene\n"
			" -stats               generates node/field statistics per MPEG-4 Access Unit\n"
			" -statx               generates node/field statistics for scene after each AU\n"
			"\n"
			" -hash                generates SHA-1 Hash of the input file\n"
			"\n");
}

void PrintMetaUsage()
{
	fprintf(stderr, "Meta handling Options\n"
			" -set-meta args       sets given meta type - syntax: \"ABCD[:tk=ID]\"\n"
			"                       * ABCD: four char meta type (NULL or 0 to remove meta)\n"
			"                       * [:tk=ID]: if not set use root (file) meta\n"
			"                                if ID is 0 use moov meta\n"
			"                                if ID is not 0 use track meta\n"
			" -add-item args       adds resource to meta\n"
			"                       * syntax: file_path + options (\':\' separated):\n"
			"                        tk=ID: meta adressing (file, moov, track)\n"
			"                        name=str: item name\n"
			"                        mime=mtype: item mime type\n"
			"                        encoding=enctype: item content-encoding type\n"
			"                       * file_path \"this\" or \"self\": item is the file itself\n"
			" -rem-item args       removes resource from meta - syntax: item_ID[:tk=ID]\n"
			" -set-primary args    sets item as primary for meta - syntax: item_ID[:tk=ID]\n"
			" -set-xml args        sets meta XML data\n"
			"                       * syntax: xml_file_path[:tk=ID][:binary]\n"
			" -rem-xml [tk=ID]     removes meta XML data\n"
			" -dump-xml args       dumps meta XML to file - syntax file_path[:tk=ID]\n"
			" -dump-item args      dumps item to file - syntax item_ID[:tk=ID][:path=fileName]\n"
			" -package             packages input XML file into an ISO container\n"
			"                       * all media referenced except hyperlinks are added to file\n"
			" -mgt                 packages input XML file into an MPEG-U widget with ISO container.\n"
			"                       * all files contained in the current folder are added to the widget package\n"
			"\n");
}

void PrintSWFUsage()
{
	fprintf(stderr,
			"SWF Importer Options\n"
			"\n"
			"MP4Box can import simple Macromedia Flash files (\".SWF\")\n"
			"You can specify a SWF input file with \'-bt\', \'-xmt\' and \'-mp4\' options\n"
			"\n"
			" -global              all SWF defines are placed in first scene replace\n"
			"                       * Note: By default SWF defines are sent when needed\n"
			" -no-ctrl             uses a single stream for movie control and dictionary\n"
			"                       * Note: this will disable ActionScript\n"
			" -no-text             removes all SWF text\n"
			" -no-font             removes all embedded SWF Fonts (terminal fonts used)\n"
			" -no-line             removes all lines from SWF shapes\n"
			" -no-grad             removes all gradients from swf shapes\n"
			" -quad                uses quadratic bezier curves instead of cubic ones\n"
			" -xlp                 support for lines transparency and scalability\n"
			" -flatten ang         complementary angle below which 2 lines are merged\n"
			"                       * Note: angle \'0\' means no flattening\n"
			"\n"
		);
}

void PrintUsage()
{
	fprintf (stderr, "MP4Box [option] input [option]\n"
			" -h general           general options help\n"
			" -h hint              hinting options help\n"
			" -h dash              DASH segmenter help\n"
			" -h import            import options help\n"
			" -h encode            encode options help\n"
			" -h meta              meta handling options help\n"
			" -h extract           extraction options help\n"
			" -h dump              dump options help\n"
			" -h swf               Flash (SWF) options help\n"
			" -h crypt             ISMA E&A options help\n"
			" -h format            supported formats help\n"
			" -h rtp               file streamer help\n"
			" -h live              BIFS streamer help\n"
			" -h all               all options are printed\n"
			"\n"
			" -nodes               lists supported MPEG4 nodes\n"
			" -node NodeName       gets MPEG4 node syntax and QP info\n"
			" -xnodes              lists supported X3D nodes\n"
			" -xnode NodeName      gets X3D node syntax\n"
			" -snodes              lists supported SVG nodes\n"
			" -snode NodeName      gets SVG node syntax\n"
			" -languages           lists supported ISO 639 languages\n"
			"\n"
			" -quiet               quiet mode\n"
			" -noprog              disables progress\n"
			" -v                   verbose mode\n"
			" -logs                set log tools and levels, formatted as a ':'-separated list of toolX[:toolZ]@levelX\n"
			" -version             gets build version\n"
			" -- INPUT             escape option if INPUT starts with - character\n"
			"\n"
			);
}


extern char *split_file_name(char *path)
{
	char *file_name;
#if defined(__MINGW32__) || defined(_MSC_VER)
	if ((file_name = _mbsrchr(path, '\\'))
	 || (file_name = strrchr(path, '/')))
#else
	if ((file_name = strrchr(path, GF_PATH_SEPARATOR)))
#endif
		file_name++;
	if (!file_name)
		file_name = path;
	return file_name;
}


void scene_coding_log(void *cbk, u32 log_level, u32 log_tool, const char *fmt, va_list vlist)
{
	FILE *logs = cbk;
	if (log_tool != GF_LOG_CODING) return;
    vfprintf(logs, fmt, vlist);
	fflush(logs);
}

#ifndef GPAC_DISABLE_ISOM_HINTING

/*
		MP4 File Hinting
*/

void SetupClockReferences(GF_ISOFile *file)
{
	u32 i, count, ocr_id;
	count = gf_isom_get_track_count(file);
	if (count==1) return;
	ocr_id = 0;
	for (i=0; i<count; i++) {
		if (!gf_isom_is_track_in_root_od(file, i+1)) continue;
		ocr_id = gf_isom_get_track_id(file, i+1);
		break;
	}
	/*doesn't look like MP4*/
	if (!ocr_id) return;
	for (i=0; i<count; i++) {
		GF_ESD *esd = gf_isom_get_esd(file, i+1, 1);
		if (esd) {
			esd->OCRESID = ocr_id;
			gf_isom_change_mpeg4_description(file, i+1, 1, esd);
			gf_odf_desc_del((GF_Descriptor *) esd);
		}
	}
}

/*base RTP payload type used (you can specify your own types if needed)*/
#define BASE_PAYT		96

GF_Err HintFile(GF_ISOFile *file, u32 MTUSize, u32 max_ptime, u32 rtp_rate, u32 base_flags, Bool copy_data, Bool interleave, Bool regular_iod, Bool single_group)
{
	GF_ESD *esd;
	GF_InitialObjectDescriptor *iod;
	u32 i, val, res, streamType;
	u32 sl_mode, prev_ocr, single_ocr, nb_done, tot_bw, bw, flags, spec_type;
	GF_Err e;
	char szPayload[30];
	GF_RTPHinter *hinter;
	Bool copy, has_iod, single_av;
	u8 init_payt = BASE_PAYT;
	u32 iod_mode, mtype;
	u32 media_group = 0;
	u8 media_prio = 0;

	tot_bw = 0;
	prev_ocr = 0;
	single_ocr = 1;

	has_iod = 1;
	iod = (GF_InitialObjectDescriptor *) gf_isom_get_root_od(file);
	if (!iod) has_iod = 0;
	else {
		if (!gf_list_count(iod->ESDescriptors)) has_iod = 0;
		gf_odf_desc_del((GF_Descriptor *) iod);
	}

	spec_type = gf_isom_guess_specification(file);
	single_av = single_group ? 1 : gf_isom_is_single_av(file);

	/*first make sure we use a systems track as base OCR*/
	for (i=0; i<gf_isom_get_track_count(file); i++) {
		res = gf_isom_get_media_type(file, i+1);
		if ((res==GF_ISOM_MEDIA_SCENE) || (res==GF_ISOM_MEDIA_OD)) {
			if (gf_isom_is_track_in_root_od(file, i+1)) {
				gf_isom_set_default_sync_track(file, i+1);
				break;
			}
		}
	}

	nb_done = 0;
	for (i=0; i<gf_isom_get_track_count(file); i++) {
		sl_mode = base_flags;
		copy = copy_data;
		/*skip emty tracks (mainly MPEG-4 interaction streams...*/
		if (!gf_isom_get_sample_count(file, i+1)) continue;
		if (!gf_isom_is_track_enabled(file, i+1)) {
			fprintf(stderr, "Track ID %d disabled - skipping hint\n", gf_isom_get_track_id(file, i+1) );
			continue;
		}

		mtype = gf_isom_get_media_type(file, i+1);
		switch (mtype) {
		case GF_ISOM_MEDIA_VISUAL:
			if (single_av) {
				media_group = 2;
				media_prio = 2;
			}
			break;
		case GF_ISOM_MEDIA_AUDIO:
			if (single_av) {
				media_group = 2;
				media_prio = 1;
			}
			break;
		case GF_ISOM_MEDIA_HINT:
			continue;
		default:
			/*no hinting of systems track on isma*/
			if (spec_type==GF_4CC('I','S','M','A')) continue;
		}
		mtype = gf_isom_get_media_subtype(file, i+1, 1);
		if ((mtype==GF_ISOM_SUBTYPE_MPEG4) || (mtype==GF_ISOM_SUBTYPE_MPEG4_CRYP) ) mtype = gf_isom_get_mpeg4_subtype(file, i+1, 1);

		if (!single_av) {
			/*one media per group only (we should prompt user for group selection)*/
			media_group ++;
			media_prio = 1;
		}

		streamType = 0;
		esd = gf_isom_get_esd(file, i+1, 1);
		if (esd) {
			streamType = esd->decoderConfig->streamType;
			if (!prev_ocr) {
				prev_ocr = esd->OCRESID;
				if (!esd->OCRESID) prev_ocr = esd->ESID;
			} else if (esd->OCRESID && prev_ocr != esd->OCRESID) {
				single_ocr = 0;
			}
			/*OD MUST BE WITHOUT REFERENCES*/
			if (streamType==1) copy = 1;
		}
		gf_odf_desc_del((GF_Descriptor *) esd);

		if (!regular_iod && gf_isom_is_track_in_root_od(file, i+1)) {
			/*single AU - check if base64 would fit in ESD (consider 33% overhead of base64), otherwise stream*/
			if (gf_isom_get_sample_count(file, i+1)==1) {
				GF_ISOSample *samp = gf_isom_get_sample(file, i+1, 1, &val);
				if (streamType) {
					res = gf_hinter_can_embbed_data(samp->data, samp->dataLength, streamType);
				} else {
					/*not a system track, we shall hint it*/
					res = 0;
				}
				if (samp) gf_isom_sample_del(&samp);
				if (res) continue;
			}
		}
		if (interleave) sl_mode |= GP_RTP_PCK_USE_INTERLEAVING;

		hinter = gf_hinter_track_new(file, i+1, MTUSize, max_ptime, rtp_rate, sl_mode, init_payt, copy, media_group, media_prio, &e);

		if (!hinter) {
			if (e) {
				fprintf(stderr, "Cannot create hinter (%s)\n", gf_error_to_string(e));
				if (!nb_done) return e;
			}
			continue;
		}
		bw = gf_hinter_track_get_bandwidth(hinter);
		tot_bw += bw;
		flags = gf_hinter_track_get_flags(hinter);

		//set extraction mode for AVC/SVC
		gf_isom_set_nalu_extract_mode(file, i+1, GF_ISOM_NALU_EXTRACT_LAYER_ONLY);

		gf_hinter_track_get_payload_name(hinter, szPayload);
		fprintf(stderr, "Hinting track ID %d - Type \"%s:%s\" (%s) - BW %d kbps\n", gf_isom_get_track_id(file, i+1), gf_4cc_to_str(mtype), gf_4cc_to_str(mtype), szPayload, bw);
		if (flags & GP_RTP_PCK_SYSTEMS_CAROUSEL) fprintf(stderr, "\tMPEG-4 Systems stream carousel enabled\n");
/*
		if (flags & GP_RTP_PCK_FORCE_MPEG4) fprintf(stderr, "\tMPEG4 transport forced\n");
		if (flags & GP_RTP_PCK_USE_MULTI) fprintf(stderr, "\tRTP aggregation enabled\n");
*/
		e = gf_hinter_track_process(hinter);

		if (!e) e = gf_hinter_track_finalize(hinter, has_iod);
		gf_hinter_track_del(hinter);

		if (e) {
			fprintf(stderr, "Error while hinting (%s)\n", gf_error_to_string(e));
			if (!nb_done) return e;
		}
		init_payt++;
		nb_done ++;
	}

	if (has_iod) {
		iod_mode = GF_SDP_IOD_ISMA;
		if (regular_iod) iod_mode = GF_SDP_IOD_REGULAR;
	} else {
		iod_mode = GF_SDP_IOD_NONE;
	}
	gf_hinter_finalize(file, iod_mode, tot_bw);

	if (!single_ocr)
		fprintf(stderr, "Warning: at least 2 timelines found in the file\nThis may not be supported by servers/players\n\n");

	return GF_OK;
}

#endif /*GPAC_DISABLE_ISOM_HINTING*/

#if !defined(GPAC_DISABLE_ISOM_WRITE) && !defined(GPAC_DISABLE_AV_PARSERS)

static void check_media_profile(GF_ISOFile *file, u32 track)
{
	u8 PL;
	GF_M4ADecSpecInfo dsi;
	GF_ESD *esd = gf_isom_get_esd(file, track, 1);
	if (!esd) return;

	switch (esd->decoderConfig->streamType) {
	case 0x04:
		PL = gf_isom_get_pl_indication(file, GF_ISOM_PL_VISUAL);
		if (esd->decoderConfig->objectTypeIndication==GPAC_OTI_VIDEO_MPEG4_PART2) {
			GF_M4VDecSpecInfo dsi;
			gf_m4v_get_config(esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength, &dsi);
			if (dsi.VideoPL > PL) gf_isom_set_pl_indication(file, GF_ISOM_PL_VISUAL, dsi.VideoPL);
		} else if ((esd->decoderConfig->objectTypeIndication==GPAC_OTI_VIDEO_AVC) || (esd->decoderConfig->objectTypeIndication==GPAC_OTI_VIDEO_SVC)) {
			gf_isom_set_pl_indication(file, GF_ISOM_PL_VISUAL, 0x15);
		} else if (!PL) {
			gf_isom_set_pl_indication(file, GF_ISOM_PL_VISUAL, 0xFE);
		}
		break;
	case 0x05:
		PL = gf_isom_get_pl_indication(file, GF_ISOM_PL_AUDIO);
		switch (esd->decoderConfig->objectTypeIndication) {
		case GPAC_OTI_AUDIO_AAC_MPEG2_MP:
		case GPAC_OTI_AUDIO_AAC_MPEG2_LCP:
		case GPAC_OTI_AUDIO_AAC_MPEG2_SSRP:
		case GPAC_OTI_AUDIO_AAC_MPEG4:
			gf_m4a_get_config(esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength, &dsi);
			if (dsi.audioPL > PL) gf_isom_set_pl_indication(file, GF_ISOM_PL_AUDIO, dsi.audioPL);
			break;
		default:
			if (!PL) gf_isom_set_pl_indication(file, GF_ISOM_PL_AUDIO, 0xFE);
		}
		break;
	}
	gf_odf_desc_del((GF_Descriptor *) esd);
}
void remove_systems_tracks(GF_ISOFile *file)
{
	u32 i, count;

	count = gf_isom_get_track_count(file);
	if (count==1) return;

	/*force PL rewrite*/
	gf_isom_set_pl_indication(file, GF_ISOM_PL_VISUAL, 0);
	gf_isom_set_pl_indication(file, GF_ISOM_PL_AUDIO, 0);
	gf_isom_set_pl_indication(file, GF_ISOM_PL_OD, 1);	/*the lib always remove IOD when no profiles are specified..*/

	for (i=0; i<gf_isom_get_track_count(file); i++) {
		switch (gf_isom_get_media_type(file, i+1)) {
		case GF_ISOM_MEDIA_VISUAL:
		case GF_ISOM_MEDIA_AUDIO:
		case G…

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