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spice-html5 updated.

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This commit is contained in:
catborise 2018-08-08 14:00:35 +03:00
parent 12c80c5021
commit b05a252d7c
36 changed files with 1356 additions and 1415 deletions
static/js/spice-html5
webm.js

110
static/js/spice-html5/webm.js Normal file → Executable file
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@ -61,6 +61,10 @@ var WEBM_CODEC_DELAY = [ 0x56, 0xAA ];
var WEBM_CODEC_PRIVATE = [ 0x63, 0xA2 ];
var WEBM_CODEC_ID = [ 0x86 ];
var WEBM_VIDEO = [ 0xE0 ] ;
var WEBM_PIXEL_WIDTH = [ 0xB0 ] ;
var WEBM_PIXEL_HEIGHT = [ 0xBA ] ;
var WEBM_AUDIO = [ 0xE1 ] ;
var WEBM_SAMPLING_FREQUENCY = [ 0xB5 ] ;
var WEBM_CHANNELS = [ 0x9F ] ;
@ -80,8 +84,11 @@ var OPUS_CHANNELS = 2;
var SPICE_PLAYBACK_CODEC = 'audio/webm; codecs="opus"';
var MAX_CLUSTER_TIME = 1000;
var EXPECTED_PACKET_DURATION = 10;
var GAP_DETECTION_THRESHOLD = 50;
var SPICE_VP8_CODEC = 'video/webm; codecs="vp8"';
/*----------------------------------------------------------------------------
** EBML utility functions
** These classes can create the binary representation of a webm file
@ -291,6 +298,34 @@ webm_Audio.prototype =
},
}
function webm_Video(width, height)
{
this.id = WEBM_VIDEO;
this.width = width;
this.height = height;
}
webm_Video.prototype =
{
to_buffer: function(a, at)
{
at = at || 0;
var dv = new DataView(a);
at = EBML_write_array(this.id, dv, at);
at = EBML_write_u64_data_len(this.buffer_size() - 8 - this.id.length, dv, at);
at = EBML_write_u16_value(WEBM_PIXEL_WIDTH, this.width, dv, at)
at = EBML_write_u16_value(WEBM_PIXEL_HEIGHT, this.height, dv, at)
return at;
},
buffer_size: function()
{
return this.id.length + 8 +
WEBM_PIXEL_WIDTH.length + 1 + 2 +
WEBM_PIXEL_HEIGHT.length + 1 + 2;
},
}
/* ---------------------------
SeekHead not currently used. Hopefully not needed.
@ -356,7 +391,7 @@ webm_SeekHead.prototype =
End of Seek Head
*/
function webm_TrackEntry()
function webm_AudioTrackEntry()
{
this.id = WEBM_TRACK_ENTRY;
this.number = 1;
@ -385,7 +420,7 @@ function webm_TrackEntry()
];
}
webm_TrackEntry.prototype =
webm_AudioTrackEntry.prototype =
{
to_buffer: function(a, at)
{
@ -431,6 +466,70 @@ webm_TrackEntry.prototype =
this.audio.buffer_size();
},
}
function webm_VideoTrackEntry(width, height)
{
this.id = WEBM_TRACK_ENTRY;
this.number = 1;
this.uid = 1;
this.type = 1; // Video
this.flag_enabled = 1;
this.flag_default = 1;
this.flag_forced = 1;
this.flag_lacing = 0;
this.min_cache = 0; // fixme - check
this.max_block_addition_id = 0;
this.codec_decode_all = 0; // fixme - check
this.seek_pre_roll = 0; // 80000000; // fixme - check
this.codec_delay = 80000000; // Must match codec_private.preskip
this.codec_id = "V_VP8";
this.video = new webm_Video(width, height);
}
webm_VideoTrackEntry.prototype =
{
to_buffer: function(a, at)
{
at = at || 0;
var dv = new DataView(a);
at = EBML_write_array(this.id, dv, at);
at = EBML_write_u64_data_len(this.buffer_size() - 8 - this.id.length, dv, at);
at = EBML_write_u8_value(WEBM_TRACK_NUMBER, this.number, dv, at);
at = EBML_write_u8_value(WEBM_TRACK_UID, this.uid, dv, at);
at = EBML_write_u8_value(WEBM_FLAG_ENABLED, this.flag_enabled, dv, at);
at = EBML_write_u8_value(WEBM_FLAG_DEFAULT, this.flag_default, dv, at);
at = EBML_write_u8_value(WEBM_FLAG_FORCED, this.flag_forced, dv, at);
at = EBML_write_u8_value(WEBM_FLAG_LACING, this.flag_lacing, dv, at);
at = EBML_write_data(WEBM_CODEC_ID, this.codec_id, dv, at);
at = EBML_write_u8_value(WEBM_MIN_CACHE, this.min_cache, dv, at);
at = EBML_write_u8_value(WEBM_MAX_BLOCK_ADDITION_ID, this.max_block_addition_id, dv, at);
at = EBML_write_u8_value(WEBM_CODEC_DECODE_ALL, this.codec_decode_all, dv, at);
at = EBML_write_u32_value(WEBM_CODEC_DELAY, this.codec_delay, dv, at);
at = EBML_write_u32_value(WEBM_SEEK_PRE_ROLL, this.seek_pre_roll, dv, at);
at = EBML_write_u8_value(WEBM_TRACK_TYPE, this.type, dv, at);
at = this.video.to_buffer(a, at);
return at;
},
buffer_size: function()
{
return this.id.length + 8 +
WEBM_TRACK_NUMBER.length + 1 + 1 +
WEBM_TRACK_UID.length + 1 + 1 +
WEBM_FLAG_ENABLED.length + 1 + 1 +
WEBM_FLAG_DEFAULT.length + 1 + 1 +
WEBM_FLAG_FORCED.length + 1 + 1 +
WEBM_FLAG_LACING.length + 1 + 1 +
WEBM_CODEC_ID.length + this.codec_id.length + 1 +
WEBM_MIN_CACHE.length + 1 + 1 +
WEBM_MAX_BLOCK_ADDITION_ID.length + 1 + 1 +
WEBM_CODEC_DECODE_ALL.length + 1 + 1 +
WEBM_CODEC_DELAY.length + 1 + 4 +
WEBM_SEEK_PRE_ROLL.length + 1 + 4 +
WEBM_TRACK_TYPE.length + 1 + 1 +
this.video.buffer_size();
},
}
function webm_Tracks(entry)
{
this.id = WEBM_TRACKS;
@ -526,9 +625,6 @@ function webm_Header()
this.info = new webm_SegmentInformation;
this.seek_head.track.pos = this.seek_head.info.pos + this.info.buffer_size();
this.track_entry = new webm_TrackEntry;
this.tracks = new webm_Tracks(this.track_entry);
}
webm_Header.prototype =
@ -539,7 +635,6 @@ webm_Header.prototype =
at = this.ebml.to_buffer(a, at);
at = this.segment.to_buffer(a, at);
at = this.info.to_buffer(a, at);
at = this.tracks.to_buffer(a, at);
return at;
},
@ -547,7 +642,6 @@ webm_Header.prototype =
{
return this.ebml.buffer_size() +
this.segment.buffer_size() +
this.info.buffer_size() +
this.tracks.buffer_size();
this.info.buffer_size();
},
}