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dixie.js
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dixie.js
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// Copyright 2011 Google Inc. All Rights Reserved.
//
// This code is licensed under the same terms as WebM:
// Software License Agreement: http://www.webmproject.org/license/software/
// Additional IP Rights Grant: http://www.webmproject.org/license/additional/
// -----------------------------------------------------------------------------
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
// IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
// EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// -----------------------------------------------------------------------------
//
// Author: John Koleszar (jkoleszar@google.com)
// Dominik Homberger (dominik.homberger@gmail.com)
"use strict";
/* Definition of the argument values for the exit() function stdlib.h*/
//int strcmp ( const char * str1, const char * str2 );
function strcmp (str1, str2 ) {
return ((str1 == str2) ? 0 : ((str1 > str2) ? 1 : -1));
}
var ptr = 0;
//stdio.h
/* Seek method constants */
var EXIT_SUCCESS = 0;
var EXIT_FAILURE = 1;
var SEEK_CUR = 1;
var SEEK_END = 2;
var SEEK_SET = 0;
var buffer8k=function() {return Arr(8800,0)};
//fread
//size_t fread ( void * ptr, size_t size, size_t count, FILE * stream );
function fread ( ptr, size, count, stream ) {
ptr.val=new buffer8k();//new Array();
//todo: size include
if(stream.data.length<count+stream.data_off) {stream.data_off += count; return 0; }
for(var i=0;i<count;++i)
ptr.val[i]=(stream.data[stream.data_off++]);
ptr.val.length=count;
return i;
}
//fseek
//ftell
//long int ftell ( FILE * stream );
function ftell(stream) {
return stream.data_off;
}
//ferror
//int ferror ( FILE * stream );
//feof
function feof(stream) {
if(stream.data.length<stream.data_off) return 1; return 0;
}
var char_=0, short_=0, int_=0, long_=0, void_=0;
var int8_t=char_;
var uint8_t=char_;
var int16_t=short_;
var uint16_t=short_;
var int32_t=int_;
var uint32_t=int_;
var uint64_t=long_;
var int64_t=long_;
var float_=0.00;
var size_t=0;
var double_=0;
var score_t=int64_t;
var CHAR_BIT = 8; /* number of bits in a char */
var ptrdiff_t=int_;
var UINT8=char_; var INT16=short_;
/*function convertBinaryToArray(binary) {
var arr = new Array();
if(binary.length<200000)
var num=binary.length; else num=200000;
for(i=0;i<num;++i)
arr.push(binary.charCodeAt(i));
return arr;
}*/
function newObjectIt(ObjIt) {
return (typeof ObjIt==='undefined')?'error':JSON.parse(JSON.stringify(ObjIt));
}
function memcpy(dst, dst_off, src, src_off, num) {
var i;
for(i=0;i<num;++i)
dst[dst_off + i] = src[src_off + i];
return dst;
}
function memset(ptr, ptr_off, value, num) {
var i=0;
for(i=0; i<num; ++i)
ptr[ptr_off + i]=value;
}
//function memset_O(ptr, ptr_off, value, num) {
// if(typeof ptr=='object')
// for (var key in ptr) {
// //if(typeof ptr[key]!='object') {
// ptr[key]=value;
// //}
// }
//}
function malloc(size,value) {
var i;
var output = new Array(); for (i = 0; i < size; ++i) output.push(value);
return output
//return size
}
function assert(bCondition) {
if (!bCondition) {
throw new Error('assert :P');
}
}
function setjmp(jmp) {
//todo: return 1 um zur?ckzusetzen
return 0;
}
function offsetof(val1,val2) {
return val2;
}
//function sizeof(val) {
// return 1;
//}
//function intBitLeft(uint_t, lefts) {
// //same as (int64)uint64_t<<lefts
// var zeros = new Array();
// var i;
// for(i=0;i<lefts;++i)
// zeros[i] ='0';
// bits = ( uint_t.toString(2) +''+ zeros.join("") );
// return parseInt(bits,2);
//}
function Arr(len,val) {
var i;
var result = new Array(); for (i = 0; i < len; ++i) result.push(val);
return result;
}
function Arr_new(len,val) {
var i;
var result = new Array(); for (i = 0; i < len; ++i) result.push(new val);
return result;
}
function Arr_nOI(len,val) {
var i;
var result = new Array(); for (i = 0; i < len; ++i) result.push(newObjectIt(val));
return result;
}
function ArrM(AOfLen,val) {
var a;
var result, resStr=new Array();
for (a = (AOfLen.length-1); a >= 0; --a)
val = newObjectIt(Arr(AOfLen[a],val));
return val;
}
///////////////////////////////
//if(!Object.keys) Object.keys = function(o){
//// if (o !== Object(o))
//// throw new TypeError('Object.keys called on non-object');
// var ret=[],p;
// for(p in o) if(Object.prototype.hasOwnProperty.call(o,p)) ret.push(p);
// return ret;
//}
//
function create_obj_vals_from_arrayChilds(Obj,Arr) {
var i;
for(i=0;i<Arr.length;++i)
Arr[i]=create_obj_vals_from_array(new Obj(),Arr[i]);
return Arr;
}
function create_obj_vals_from_array(Obj,Arr) {
var new_Obj = Obj;
var i=0;
for (var key in new_Obj) {
if(typeof new_Obj[key]=='object' && (Object.keys(new_Obj[key]).length==Arr[i].length)) {
new_Obj[key]=create_obj_vals_from_array(new_Obj[key],Arr[i]);
} else
{
new_Obj[key]=Arr[i];
}
i++;
}
return new_Obj;
}
//dixie functions & ariables
//74
var
DC_PRED=0, /* average of above and left pixels */
V_PRED=1, /* vertical prediction */
H_PRED=2, /* horizontal prediction */
TM_PRED=3, /* Truemotion prediction */
B_PRED=4, /* block based prediction, each block has its own prediction mode */
NEARESTMV=5,
NEARMV=6,
ZEROMV=7,
NEWMV=8,
SPLITMV=9,
MB_MODE_COUNT=10
;// MB_PREDICTION_MODE;
//109
var
//{
B_DC_PRED=0, /* average of above and left pixels */
B_TM_PRED=1,
B_VE_PRED=2, /* vertical prediction */
B_HE_PRED=3, /* horizontal prediction */
B_LD_PRED=4,
B_RD_PRED=5,
B_VR_PRED=6,
B_VL_PRED=7,
B_HD_PRED=8,
B_HU_PRED=9,
LEFT4X4=10,
ABOVE4X4=11,
ZERO4X4=12,
NEW4X4=13,
B_MODE_COUNT=14
;//} B_PREDICTION_MODE;
function CODEC_INTERFACE(id,arr) {
//vpx_codec_iface_t* id(void) { return &id##_algo; }
window[id+'_algo']=create_obj_vals_from_array(vpx_codec_iface_t,arr);
}
var VPX_CODEC_INTERNAL_ABI_VERSION = (3); /**<\hideinitializer*/
var VPX_CODEC_CAP_DECODER = 0x1; /**< Is a decoder */
var vpx_codec_ctrl_fn_map_t = function()
{
this.ctrl_id=int_,
this.fn=0//'todo:findfuction:vpx_codec_control_fn_t'
} ;
/*!\brief Decoder algorithm interface interface 285
*
* All decoders \ref MUST expose a variable of this type.
*/
var vpx_codec_iface = function()
{
this.name=char_, /**< Identification String */ //*name
this.abi_version=int_, /**< Implemented ABI version */
this.caps=long_,//todo //vpx_codec_caps_t, sollte erst inialisiert werden wenn variable verf?gbar //typedef long /**< Decoder capabilities */
this.init='vpx_codec_init_fn_t', /**< \copydoc ::vpx_codec_init_fn_t */
this.destroy='vpx_codec_destroy_fn_t', /**< \copydoc ::vpx_codec_destroy_fn_t */
this.ctrl_maps=new vpx_codec_ctrl_fn_map_t(), /**< \copydoc ::vpx_codec_ctrl_fn_map_t */
this.get_mmap='vpx_codec_get_mmap_fn_t', /**< \copydoc ::vpx_codec_get_mmap_fn_t */
this.set_mmap='vpx_codec_set_mmap_fn_t', /**< \copydoc ::vpx_codec_set_mmap_fn_t */
this.dec=new Object(
{
peek_si:'vpx_codec_peek_si_fn_t', /**< \copydoc ::vpx_codec_peek_si_fn_t */
get_si:'vpx_codec_get_si_fn_t', /**< \copydoc ::vpx_codec_peek_si_fn_t */
decode:'vpx_codec_decode_fn_t', /**< \copydoc ::vpx_codec_decode_fn_t */
get_frame:'vpx_codec_get_frame_fn_t' /**< \copydoc ::vpx_codec_get_frame_fn_t */
})
};
var vpx_codec_iface_t=vpx_codec_iface;
var VERSION_STRING = " v0.9.7";
var VPX_CODEC_OK=0,
VPX_CODEC_MEM_ERROR=2;//,
/*!\brief Current ABI version number 23
*
* \internal
* If this file is altered in any way that changes the ABI, this value
* must be bumped. Examples include, but are not limited to, changing
* types, removing or reassigning enums, adding/removing/rearranging
* fields to structures
*/
var VPX_IMAGE_ABI_VERSION =(1); /**<\hideinitializer*/
//56
VPX_IMG_FMT_I420 = 258;// todo:VPX_IMG_FMT_I420 = VPX_IMG_FMT_PLANAR | 2,
//58
VPX_IMG_FMT_VPXI420 = 260;// todo:VPX_IMG_FMT_VPXI420 = VPX_IMG_FMT_PLANAR | 4
/**\brief Image Descriptor */
/* Image data pointers. */
var VPX_PLANE_PACKED = 0; /**< To be used for all packed formats */
var VPX_PLANE_Y = 0; /**< Y (Luminance) plane */
var VPX_PLANE_U = 1; /**< U (Chroma) plane */
var VPX_PLANE_V = 2; /**< V (Chroma) plane */
var VPX_PLANE_ALPHA = 3; /**< A (Transparency) plane */
//#if !defined(VPX_CODEC_DISABLE_COMPAT) || !VPX_CODEC_DISABLE_COMPAT
var PLANE_PACKED = VPX_PLANE_PACKED;
var PLANE_Y = VPX_PLANE_Y;
var PLANE_U = VPX_PLANE_U;
var PLANE_V = VPX_PLANE_V;
var PLANE_ALPHA = VPX_PLANE_ALPHA;
//#endif
var vpx_image_t = function() //vpx_image
{
this.fmt=0, //enum /**< Image Format */'vpx_img_fmt_t'
/* Image storage dimensions */
this.w=this["w"]=int_, /**< Stored image width */
this.h=this["h"]=int_, /**< Stored image height */
/* Image display dimensions */
this.d_w=this["d_w"]=int_, /**< Displayed image width */
this.d_h=this["d_h"]=int_, /**< Displayed image height */
/* Chroma subsampling info */
this.x_chroma_shift=this["x_chroma_shift"]=int_, /**< subsampling order, X */
this.y_chroma_shift=this["y_chroma_shift"]=int_, /**< subsampling order, Y */
this.planes=this["planes"]=new Array(4),/*,char),*/ this.planes_off=this["planes_off"]=new Array(4),//,char),//unsigned char *planes[4]; /**< pointer to the top left pixel for each plane */
this.stride=this["stride"]=new Array(4),//,int_), /**< stride between rows for each plane */
this.bps=this["bps"]=int_, /**< bits per sample (for packed formats) */
/* The following member may be set by the application to associate data
* with this image.
*/
this.user_priv=this["user_priv"]=void_, /* /**< may be set by the application to associate data
* with this image. */
/* The following members should be treated as private. */
this.img_data=this["img_data"]=char_, /**< private */
this.img_data_off=this["img_data_off"]=0, /**< private */
this.img_data_owner=this["img_data_owner"]=int_, /**< private */
this.self_allocd=this["self_allocd"]=int_ /**< private */
} ; /**< alias for struct vpx_image */
/** @file 62
The <tt>libnestegg</tt> C API. */
var NESTEGG_TRACK_VIDEO = 0; /**< Track is of type video. */
var NESTEGG_TRACK_AUDIO = 1; /**< Track is of type audio. */
var NESTEGG_CODEC_VP8 = 0; /**< Track uses Google On2 VP8 codec. */
var NESTEGG_CODEC_VORBIS = 1; /**< Track uses Xiph Vorbis codec. */
//71
var NESTEGG_SEEK_SET = 0; /**< Seek offset relative to beginning of stream. */
var NESTEGG_SEEK_CUR = 1; /**< Seek offset relative to current position in stream. */
var NESTEGG_SEEK_END = 2; /**< Seek offset relative to end of stream. */
//76
var NESTEGG_LOG_DEBUG = 1; /**< Debug level log message. */
var NESTEGG_LOG_INFO = 10; /**< Informational level log message. */
var NESTEGG_LOG_WARNING = 100; /**< Warning level log message. */
var NESTEGG_LOG_ERROR = 1000; /**< Error level log message. */
var NESTEGG_LOG_CRITICAL = 10000; /**< Critical level log message. */
/** User supplied IO context. 84 */
var nestegg_io = function(){
/** User supplied read callback.
@param buffer Buffer to read data into.
@param length Length of supplied buffer in bytes.
@param userdata The #userdata supplied by the user.
@retval 1 Read succeeded.
@retval 0 End of stream.
@retval -1 Error. */
//int (* read)(void * buffer, size_t length, void * userdata);
this.read=int_,
/** User supplied seek callback.
@param offset Offset within the stream to seek to.
@param whence Seek direction. One of #NESTEGG_SEEK_SET,
#NESTEGG_SEEK_CUR, or #NESTEGG_SEEK_END.
@param userdata The #userdata supplied by the user.
@retval 0 Seek succeeded.
@retval -1 Error. */
//int (* seek)(int64_t offset, int whence, void * userdata);
this.seek=int_,
/** User supplied tell callback.
@param userdata The #userdata supplied by the user.
@returns Current position within the stream.
@retval -1 Error. */
//int64_t (* tell)(void * userdata);
this.tell=int64_t,
/** User supplied pointer to be passed to the IO callbacks. */
//void * userdata;
this.userdata=void_ //*
} ;
/** Parameters specific to a video track. */
var nestegg_video_params = function(){
this.width=int_, /**< Width of the video frame in pixels. */
this.height=int_, /**< Height of the video frame in pixels. */
this.display_width=int_, /**< Display width of the video frame in pixels. */
this.display_height=int_, /**< Display height of the video frame in pixels. */
this.crop_bottom=int_, /**< Pixels to crop from the bottom of the frame. */
this.crop_top=int_, /**< Pixels to crop from the top of the frame. */
this.crop_left=int_, /**< Pixels to crop from the left of the frame. */
this.crop_right=int_ /**< Pixels to crop from the right of the frame. */
} ;
/* EBML Elements 14 */
var ID_EBML = 0x1a45dfa3;
var ID_EBML_VERSION = 0x4286;
var ID_EBML_READ_VERSION = 0x42f7;
var ID_EBML_MAX_ID_LENGTH = 0x42f2;
var ID_EBML_MAX_SIZE_LENGTH = 0x42f3;
var ID_DOCTYPE = 0x4282;
var ID_DOCTYPE_VERSION = 0x4287;
var ID_DOCTYPE_READ_VERSION = 0x4285;
/* Global Elements */
var ID_VOID = 0xec;
var ID_CRC32 = 0xbf;
/* WebMedia Elements */
var ID_SEGMENT = 0x18538067;
/* Seek Head Elements */
var ID_SEEK_HEAD = 0x114d9b74;
var ID_SEEK = 0x4dbb;
var ID_SEEK_ID = 0x53ab;
var ID_SEEK_POSITION = 0x53ac;
/* Info Elements */
var ID_INFO = 0x1549a966;
var ID_TIMECODE_SCALE = 0x2ad7b1;
var ID_DURATION = 0x4489;
/* Cluster Elements */
var ID_CLUSTER = 0x1f43b675;
var ID_TIMECODE = 0xe7;
var ID_BLOCK_GROUP = 0xa0;
var ID_SIMPLE_BLOCK = 0xa3;
/* BlockGroup Elements */
var ID_BLOCK = 0xa1;
var ID_BLOCK_DURATION = 0x9b;
var ID_REFERENCE_BLOCK = 0xfb;
/* Tracks Elements */
var ID_TRACKS = 0x1654ae6b;
var ID_TRACK_ENTRY = 0xae;
var ID_TRACK_NUMBER = 0xd7;
var ID_TRACK_UID = 0x73c5;
var ID_TRACK_TYPE = 0x83;
var ID_FLAG_ENABLED = 0xb9;
var ID_FLAG_DEFAULT = 0x88;
var ID_FLAG_LACING = 0x9c;
var ID_TRACK_TIMECODE_SCALE=0x23314f;
var ID_LANGUAGE = 0x22b59c;
var ID_CODEC_ID = 0x86;
var ID_CODEC_PRIVATE = 0x63a2;
/* Video Elements */
var ID_VIDEO = 0xe0;
var ID_PIXEL_WIDTH = 0xb0;
var ID_PIXEL_HEIGHT = 0xba;
var ID_PIXEL_CROP_BOTTOM = 0x54aa;
var ID_PIXEL_CROP_TOP = 0x54bb;
var ID_PIXEL_CROP_LEFT = 0x54cc;
var ID_PIXEL_CROP_RIGHT = 0x54dd;
var ID_DISPLAY_WIDTH = 0x54b0;
var ID_DISPLAY_HEIGHT = 0x54ba;
/* Audio Elements */
var ID_AUDIO = 0xe1;
var ID_SAMPLING_FREQUENCY = 0xb5;
var ID_CHANNELS = 0x9f;
var ID_BIT_DEPTH = 0x6264;
/* Cues Elements */
var ID_CUES = 0x1c53bb6b;
var ID_CUE_POINT = 0xbb;
var ID_CUE_TIME = 0xb3;
var ID_CUE_TRACK_POSITIONS= 0xb7;
var ID_CUE_TRACK = 0xf7;
var ID_CUE_CLUSTER_POSITION=0xf1;
var ID_CUE_BLOCK_NUMBER = 0x5378;
/* EBML Types 93 */
var //ebml_type_enum = {
TYPE_UNKNOWN=0,
TYPE_MASTER=1,
TYPE_UINT=2,
TYPE_FLOAT=3,
TYPE_INT=4,
TYPE_STRING=5,
TYPE_BINARY=6
//}
;
var LIMIT_STRING = (1 << 20);
var LIMIT_BINARY = (1 << 24);
var LIMIT_BLOCK = (1 << 30);
var LIMIT_FRAME = (1 << 28);
/* Field Flags 109 */
var DESC_FLAG_NONE = 0;
var DESC_FLAG_MULTI = (1 << 0);
var DESC_FLAG_SUSPEND = (1 << 1);
var DESC_FLAG_OFFSET = (1 << 2);
/* Block Header Flags */
var BLOCK_FLAGS_LACING = 6;
/* Lacing Constants */
var LACING_NONE = 0;
var LACING_XIPH = 1;
var LACING_FIXED = 2;
var LACING_EBML = 3;
/* Track Types */
var TRACK_TYPE_VIDEO = 1;
var TRACK_TYPE_AUDIO = 2;
/* Track IDs */
var TRACK_ID_VP8 = "V_VP8";
var TRACK_ID_VORBIS = "A_VORBIS";
var// vint_mask {
MASK_NONE=0,
MASK_FIRST_BIT=1
//}
;
//137
var ebml_binary = function(){
this.data=char_,//*
this.length=size_t
};
var ebml_list_node = function(){
this.next=null,//'ebml_list_node',//*
this.id=uint64_t,
this.data=void_//*
};
var ebml_list = function(){
this.head=null,//'newObjectI(ebml_list_node)',//*
this.tail=null//'newObjectI(ebml_list_node)'//*
};
var ebml_type = function(){
this.v=new Object({//union ebml_value
u:uint64_t,
f:double_,
i:int64_t,
s:char_,//*
b:new ebml_binary()
}),
this.type=0, //enum'ebml_type_enum'
this.read=int_
};
/* EBML Definitions 165 */
var ebml = window["ebml"] = function(){
this.ebml_version=this["ebml_version"]=new ebml_type(),
this.ebml_read_version=this["ebml_read_version"]=new ebml_type(),
this.ebml_max_id_length=this["ebml_max_id_length"]=new ebml_type(),
this.ebml_max_size_length=this["ebml_max_size_length"]=new ebml_type(),
this.doctype=this["doctype"]=new ebml_type(),
this.doctype_version=this["doctype_version"]=new ebml_type(),
this.doctype_read_version=this["doctype_read_version"]=new ebml_type()
};
/* Matroksa Definitions */
var seek = window["seek"] = function(){
this.id=this["id"]=new ebml_type(),
this.position=this["position"]=new ebml_type()
};
var seek_head = window["seek_head"] = function(){
this.seek=this["seek"]=new ebml_list()
};
var info = window["info"] = function(){
this.timecode_scale=this["timecode_scale"]=new ebml_type(),
this.duration=this["duration"]=new ebml_type()
};
var block_group = window["block_group"] = function(){
this.duration=this["duration"]=new ebml_type(),
this.reference_block=this["reference_block"]=new ebml_type()
};
var cluster = window["cluster"] = function(){
this.timecode=this["timecode"]=new ebml_type(),
this.block_group=this["block_group"]=new ebml_list()
};
var video = window["video"] = function(){
this.pixel_width=this["pixel_width"]=new ebml_type(),
this.pixel_height=this["pixel_height"]=new ebml_type(),
this.pixel_crop_bottom=this["pixel_crop_bottom"]=new ebml_type(),
this.pixel_crop_top=this["pixel_crop_top"]=new ebml_type(),
this.pixel_crop_left=this["pixel_crop_left"]=new ebml_type(),
this.pixel_crop_right=this["pixel_crop_right"]=new ebml_type(),
this.display_width=this["display_width"]=new ebml_type(),
this.display_height=this["display_height"]=new ebml_type()
};
var audio = window["audio"] = function(){
this.sampling_frequency=this["sampling_frequency"]=new ebml_type(),
this.channels=this["channels"]=new ebml_type(),
this.bit_depth=this["bit_depth"]=new ebml_type()
};
var track_entry = window["track_entry"] = function(){
this.number=this["number"]=new ebml_type(),
this.uid=this["uid"]=new ebml_type(),
this.type=this["type"]=new ebml_type(),
this.flag_enabled=this["flag_enabled"]=new ebml_type(),
this.flag_default=this["flag_default"]=new ebml_type(),
this.flag_lacing=this["flag_lacing"]=new ebml_type(),
this.track_timecode_scale=this["track_timecode_scale"]=new ebml_type(),
this.language=this["language"]=new ebml_type(),
this.codec_id=this["codec_id"]=new ebml_type(),
this.codec_private=this["codec_private"]=new ebml_type(),
this.video=this["video"]=new video(),
this.audio=this["audio"]=new audio()
};
var tracks = window["tracks"] = function(){
this.track_entry=this["track_entry"]=new ebml_list()
};
var cue_track_positions = window["cue_track_positions"] = function(){
this.track=this["track"]=new ebml_type(),
this.cluster_position=this["cluster_position"]=new ebml_type(),
this.block_number=this["block_number"]=new ebml_type()
};
var cue_point = window["cue_point"] = function(){
this.time=this["time"]=new ebml_type(),
this.cue_track_positions=this["cue_track_positions"]=new ebml_list()
};
var cues = window["cues"] = function(){
this.cue_point=this["cue_point"]=new ebml_list()
};
var segment = window["segment"] = function(){
this.seek_head=this["seek_head"]=new ebml_list(),
this.info=this["info"]=new info(),
this.cluster=this["cluster"]=new ebml_list(),
this.tracks=this["tracks"]=new tracks(),
this.cues=this["cues"]=new cues()
};
/* Misc. 260 */
var pool_ctx = function(){
this.dummy=char_
};
var list_node = function(){
this.previous=0, //todo: endlosschleife verhindern //*'list_node'
this.node=new ebml_element_desc(),//*
this.data=char_ //*
};
var frame = function() {
this.data=char_,
this.length=size_t,
this.next=null//'frame'
};
/* Public (opaque) Structures 284 */
var nestegg = function(){
this.io=new nestegg_io(), //*
this.log_=0,//'nestegg_log' todo:
this.alloc_pool=new pool_ctx(), //*
this.last_id=uint64_t,
this.last_size=uint64_t,
this.ancestor=null,//'newObjectI(list_node)',//*
this.ebml=this["ebml"]=new ebml(),
this.segment=this["segment"]=new segment(),
this.segment_offset=int64_t,
this.track_count=int_
};
var nestegg_packet = function() {
this.track=uint64_t,
this.timecode=uint64_t,
this.frame=new frame()//*
};
/* Element Descriptor 304 */
var ebml_element_desc = function(){
this.name=char_,//const *
this.id=uint64_t,
this.type=0, //enum'ebml_type_enum'
this.offset=size_t,
this.flags=int_,
this.children=null,//wiederholungsschleife //*'ebml_element_desc'
this.size=size_t,
this.data_offset=size_t
};
function E_FIELD(ID, _ID, TYPE, STRUCT, FIELD) {
return new Array( ID, _ID, TYPE, FIELD/*offsetof(STRUCT, FIELD)*/, DESC_FLAG_NONE, null, 0, 0 ) }
function E_MASTER(ID, _ID, TYPE, STRUCT, FIELD, NE_FIELD_ELEMENTS) {
return new Array( ID, _ID, TYPE, FIELD/*offsetof(STRUCT, FIELD)*/, DESC_FLAG_MULTI, NE_FIELD_ELEMENTS,
1/*sizeof(FIELD)*/, 0 ) }
function E_SINGLE_MASTER_O(ID, _ID, TYPE, STRUCT, FIELD, NE_FIELD_ELEMENTS) {
return new Array( ID, _ID, TYPE, FIELD/*offsetof(STRUCT, FIELD)*/, DESC_FLAG_OFFSET, NE_FIELD_ELEMENTS, 0,
FIELD+'_offset'/*offsetof(STRUCT, FIELD+'_offset')*/ ) }
function E_SINGLE_MASTER(ID, _ID, TYPE, STRUCT, FIELD, NE_FIELD_ELEMENTS) {
return new Array( ID, _ID, TYPE, FIELD/*offsetof(STRUCT, FIELD)*/, DESC_FLAG_NONE, NE_FIELD_ELEMENTS, 0, 0 ) }
function E_SUSPEND(ID, _ID, TYPE) {
return new Array( ID, _ID, TYPE, 0, DESC_FLAG_SUSPEND, null, 0, 0 ) }
var E_LAST =
new Array( null, 0, 0, 0, DESC_FLAG_NONE, null, 0, 0 );
/* EBML Element Lists */
var ne_ebml_elements = create_ebml_element_desc(new Array(
E_FIELD('ID_EBML_VERSION', ID_EBML_VERSION, TYPE_UINT, 'ebml', 'ebml_version'),
E_FIELD('ID_EBML_READ_VERSION', ID_EBML_READ_VERSION, TYPE_UINT, 'ebml', 'ebml_read_version'),
E_FIELD('ID_EBML_MAX_ID_LENGTH', ID_EBML_MAX_ID_LENGTH, TYPE_UINT, 'ebml', 'ebml_max_id_length'),
E_FIELD('ID_EBML_MAX_SIZE_LENGTH', ID_EBML_MAX_SIZE_LENGTH, TYPE_UINT, 'ebml', 'ebml_max_size_length'),
E_FIELD('ID_DOCTYPE', ID_DOCTYPE, TYPE_STRING, 'ebml', 'doctype'),
E_FIELD('ID_DOCTYPE_VERSION', ID_DOCTYPE_VERSION, TYPE_UINT, 'ebml', 'doctype_version'),
E_FIELD('ID_DOCTYPE_READ_VERSION', ID_DOCTYPE_READ_VERSION, TYPE_UINT, 'ebml', 'doctype_read_version'),
E_LAST
));
/* WebMedia Element Lists */
var ne_seek_elements = create_ebml_element_desc(new Array(
E_FIELD('ID_SEEK_ID', ID_SEEK_ID, TYPE_BINARY, 'seek', 'id'),
E_FIELD('ID_SEEK_POSITION', ID_SEEK_POSITION, TYPE_UINT, 'seek', 'position'),
E_LAST
));
var ne_seek_head_elements = create_ebml_element_desc(new Array(
E_MASTER('ID_SEEK', ID_SEEK, TYPE_MASTER, 'seek_head', 'seek', ne_seek_elements),
E_LAST
));
var ne_info_elements = create_ebml_element_desc(new Array(
E_FIELD('ID_TIMECODE_SCALE', ID_TIMECODE_SCALE, TYPE_UINT, 'info', 'timecode_scale'),
E_FIELD('ID_DURATION', ID_DURATION, TYPE_FLOAT, 'info', 'duration'),
E_LAST
));
var ne_block_group_elements = create_ebml_element_desc(new Array(
E_SUSPEND('ID_BLOCK', ID_BLOCK, TYPE_BINARY),
E_FIELD('ID_BLOCK_DURATION', ID_BLOCK_DURATION, TYPE_UINT, 'block_group', 'duration'),
E_FIELD('ID_REFERENCE_BLOCK', ID_REFERENCE_BLOCK, TYPE_INT, 'block_group', 'reference_block'),
E_LAST
));
var ne_cluster_elements = create_ebml_element_desc(new Array(
E_FIELD('ID_TIMECODE', ID_TIMECODE, TYPE_UINT, 'cluster', 'timecode'),
E_MASTER('ID_BLOCK_GROUP', ID_BLOCK_GROUP, TYPE_MASTER, 'cluster', 'block_group', ne_block_group_elements),
E_SUSPEND('ID_SIMPLE_BLOCK', ID_SIMPLE_BLOCK, TYPE_BINARY),
E_LAST
));
var ne_video_elements = create_ebml_element_desc(new Array(
E_FIELD('ID_PIXEL_WIDTH', ID_PIXEL_WIDTH, TYPE_UINT, 'video', 'pixel_width'),
E_FIELD('ID_PIXEL_HEIGHT', ID_PIXEL_HEIGHT, TYPE_UINT, 'video', 'pixel_height'),
E_FIELD('ID_PIXEL_CROP_BOTTOM', ID_PIXEL_CROP_BOTTOM, TYPE_UINT, 'video', 'pixel_crop_bottom'),
E_FIELD('ID_PIXEL_CROP_TOP', ID_PIXEL_CROP_TOP, TYPE_UINT, 'video', 'pixel_crop_top'),
E_FIELD('ID_PIXEL_CROP_LEFT', ID_PIXEL_CROP_LEFT, TYPE_UINT, 'video', 'pixel_crop_left'),
E_FIELD('ID_PIXEL_CROP_RIGHT', ID_PIXEL_CROP_RIGHT, TYPE_UINT, 'video', 'pixel_crop_right'),
E_FIELD('ID_DISPLAY_WIDTH', ID_DISPLAY_WIDTH, TYPE_UINT, 'video', 'display_width'),
E_FIELD('ID_DISPLAY_HEIGHT', ID_DISPLAY_HEIGHT, TYPE_UINT, 'video', 'display_height'),
E_LAST
));
var ne_audio_elements = create_ebml_element_desc(new Array(
E_FIELD('ID_SAMPLING_FREQUENCY', ID_SAMPLING_FREQUENCY, TYPE_FLOAT, 'audio', 'sampling_frequency'),
E_FIELD('ID_CHANNELS', ID_CHANNELS, TYPE_UINT, 'audio', 'channels'),
E_FIELD('ID_BIT_DEPTH', ID_BIT_DEPTH, TYPE_UINT, 'audio', 'bit_depth'),
E_LAST
));
var ne_track_entry_elements = create_ebml_element_desc(new Array(
E_FIELD('ID_TRACK_NUMBER', ID_TRACK_NUMBER, TYPE_UINT, 'track_entry', 'number'),
E_FIELD('ID_TRACK_UID', ID_TRACK_UID, TYPE_UINT, 'track_entry', 'uid'),
E_FIELD('ID_TRACK_TYPE', ID_TRACK_TYPE, TYPE_UINT, 'track_entry', 'type'),
E_FIELD('ID_FLAG_ENABLED', ID_FLAG_ENABLED, TYPE_UINT, 'track_entry', 'flag_enabled'),
E_FIELD('ID_FLAG_DEFAULT', ID_FLAG_DEFAULT, TYPE_UINT, 'track_entry', 'flag_default'),
E_FIELD('ID_FLAG_LACING', ID_FLAG_LACING, TYPE_UINT, 'track_entry', 'flag_lacing'),
E_FIELD('ID_TRACK_TIMECODE_SCALE', ID_TRACK_TIMECODE_SCALE, TYPE_FLOAT, 'track_entry', 'track_timecode_scale'),
E_FIELD('ID_LANGUAGE', ID_LANGUAGE, TYPE_STRING, 'track_entry', 'language'),
E_FIELD('ID_CODEC_ID', ID_CODEC_ID, TYPE_STRING, 'track_entry', 'codec_id'),
E_FIELD('ID_CODEC_PRIVATE', ID_CODEC_PRIVATE, TYPE_BINARY, 'track_entry', 'codec_private'),
E_SINGLE_MASTER('ID_VIDEO', ID_VIDEO, TYPE_MASTER, 'track_entry', 'video', ne_video_elements),
E_SINGLE_MASTER('ID_AUDIO', ID_AUDIO, TYPE_MASTER, 'track_entry', 'audio', ne_audio_elements),
E_LAST
));
var ne_tracks_elements = create_ebml_element_desc(new Array(
E_MASTER('ID_TRACK_ENTRY', ID_TRACK_ENTRY, TYPE_MASTER, 'tracks', 'track_entry', ne_track_entry_elements),
E_LAST
));
var ne_cue_track_positions_elements = create_ebml_element_desc(new Array(
E_FIELD('ID_CUE_TRACK', ID_CUE_TRACK, TYPE_UINT, 'cue_track_positions', 'track'),
E_FIELD('ID_CUE_CLUSTER_POSITION', ID_CUE_CLUSTER_POSITION, TYPE_UINT, 'cue_track_positions', 'cluster_position'),
E_FIELD('ID_CUE_BLOCK_NUMBER', ID_CUE_BLOCK_NUMBER, TYPE_UINT, 'cue_track_positions', 'block_number'),
E_LAST
))
var ne_cue_point_elements = create_ebml_element_desc(new Array(
E_FIELD('ID_CUE_TIME', ID_CUE_TIME, TYPE_UINT, 'cue_point', 'time'),
E_MASTER('ID_CUE_TRACK_POSITIONS', ID_CUE_TRACK_POSITIONS, TYPE_MASTER, 'cue_point', 'cue_track_positions', ne_cue_track_positions_elements),
E_LAST
));
var ne_cues_elements = create_ebml_element_desc(new Array(
E_MASTER('ID_CUE_POINT', ID_CUE_POINT, TYPE_MASTER, 'cues', 'cue_point', ne_cue_point_elements),
E_LAST
));
var ne_segment_elements = create_ebml_element_desc(new Array(
E_MASTER('ID_SEEK_HEAD', ID_SEEK_HEAD, TYPE_MASTER, 'segment', 'seek_head', ne_seek_head_elements),
E_SINGLE_MASTER('ID_INFO', ID_INFO, TYPE_MASTER, 'segment', 'info', ne_info_elements),
E_MASTER('ID_CLUSTER', ID_CLUSTER, TYPE_MASTER, 'segment', 'cluster', ne_cluster_elements),
E_SINGLE_MASTER('ID_TRACKS', ID_TRACKS, TYPE_MASTER, 'segment', 'tracks', ne_tracks_elements),
E_SINGLE_MASTER('ID_CUES', ID_CUES, TYPE_MASTER, 'segment', 'cues', ne_cues_elements),
E_LAST
));
//442
var ne_top_level_elements = create_ebml_element_desc(new Array(
E_SINGLE_MASTER('ID_EBML', ID_EBML, TYPE_MASTER, 'nestegg', 'ebml', ne_ebml_elements),
E_SINGLE_MASTER_O('ID_SEGMENT', ID_SEGMENT, TYPE_MASTER, 'nestegg', 'segment', ne_segment_elements),
E_LAST
));
function create_ebml_element_desc(Arr) {
var newArr=new Array();
for(var i=0;i<Arr.length;++i) {
var a=0;
var createitem = new ebml_element_desc();
for (var key in createitem)//ebml_element_desc
if(Arr[i][a]!=='undefined')
createitem[key]=Arr[i][a++];
newArr.push(createitem);
}
return newArr;
}
//455
function
ne_pool_init(void_)
{
var pool=new pool_ctx();//*
//todo: pool = h_malloc(sizeof(*pool));
//if (!pool)
// abort();
return pool;
}
var buffer_8192=Arr(8192,0);
function //508
ne_io_read_skip(io, length)
{
var get_=size_t;
var buf={val:buffer_8192};//,char_
var r = 1;
while (length > 0) {
get_ = length < /*sizeof(buf)**/buf.val.length ? length : /*sizeof(buf)**/buf.val.length;
r = ne_io_read(io, buf, get_);
if (r != 1)
break;
length -= get_;
}
return r;
}
function //526
ne_io_tell(io)
{
return io.tell(io.userdata);
}
function
ne_bare_read_vint(io, value, length, maskflag)
{
var r=int_;
var b={val:char_};
var maxlen = 8;
var count = 1, mask = 1 << 7;
r = ne_io_read(io, b, 1);//&b
if (r != 1)
return r;
while (count < maxlen) {
if ((b.val[0] & mask) != 0)
break;
mask >>= 1;
count += 1;
}
if (length)
length.val = count;
value.val = b.val[0];
if (maskflag == MASK_FIRST_BIT)
value.val = b.val[0] & ~mask;
while (--count) {
r = ne_io_read(io, b, 1);//&b
if (r != 1)
return r;
value.val <<= 8;
value.val |= b.val[0];
}
return 1;
}
function
ne_io_read(io, buffer, length)
{
//io.userdata={val:io.userdata};
var r = io.read(buffer, length, io.userdata);
//io.userdata=io.userdata.val;
return r;
}
function //569
ne_read_id(io, value, length)
{
return ne_bare_read_vint(io, value, length, MASK_NONE);
}
function
ne_read_vint(io, value, length)
{
return ne_bare_read_vint(io, value, length, MASK_FIRST_BIT);
}
function //581
ne_read_svint(io, value, length)
{
var r=int_;
var uvalue=[uint64_t];
var ulength=[uint64_t];
var svint_subtr = new Array(
0x3f, 0x1fff,
0xfffff, 0x7ffffff,
0x3ffffffff, 0x1ffffffffff,