JP2016140099A - マルチメディアシステムにおけるデータ受信方法及び装置 - Google Patents
マルチメディアシステムにおけるデータ受信方法及び装置 Download PDFInfo
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- JP2016140099A JP2016140099A JP2016054413A JP2016054413A JP2016140099A JP 2016140099 A JP2016140099 A JP 2016140099A JP 2016054413 A JP2016054413 A JP 2016054413A JP 2016054413 A JP2016054413 A JP 2016054413A JP 2016140099 A JP2016140099 A JP 2016140099A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000005540 biological transmission Effects 0.000 description 39
- 238000005538 encapsulation Methods 0.000 description 13
- 238000005315 distribution function Methods 0.000 description 11
- 238000012546 transfer Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000011664 signaling Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 3
- AWSBQWZZLBPUQH-UHFFFAOYSA-N mdat Chemical compound C1=C2CC(N)CCC2=CC2=C1OCO2 AWSBQWZZLBPUQH-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000004220 aggregation Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000005096 rolling process Methods 0.000 description 1
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Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/23605—Creation or processing of packetized elementary streams [PES]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
- H04L65/611—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for multicast or broadcast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/70—Media network packetisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
Abstract
Description
ることができる。
{
bit(N) type;
bit(N) asset_id;
switch (type) {
case 0:
//configuration;
if (asset_id==0) {
//package configuration data
} else {
//asset configuration data
}
break;
case 1:
MFU_Partial();
break;
case 2:
MFU_chunk();
break;
case 3:
MFU_set ();
break;
case 4:
MPU_Partial();
break;
case 5:
MPU_Set();
break;
...
}
}
ードに含まれ得る。
Uデータを含む場合に使用され、ケース5に対応するMPU_Set()エレメントは、MMTペイロードがMPUデータの全体(ヘッダー及びデータ)を含む場合に使用される。
{
...
optional bit(2) start_end_indicator;
optional bit(1) rap_fragment_indicator;
optional bit(N) layer_dependency_info;
optional bit(N) scrambling_key_index;
payload();
}
{
optional bit(2) start_end_indicator;
bit (1) multiple_mfu_flag;
bit (1) no_mfu
bit (1) timing_flag;
bit(1) codec_update_flag;
bit(1) event_list_flag;
bit(1) clock_map;
bit(1) headers_first;
bit(1) multiple_aus_flag;
if (codec_update_flag) {
bit(16) codec_config_size;
bytes(codec_config_size) codec_config_data;
bit(8) downcouter ;//processing delay (remove)
}
if (event_list_flag) {
bit(16) num_events;
for (i=0; i<num_events; i++) {
... //eventdata
}
}
if (multiple_mfu_flag) {
bit(N) num_MFUs;
} else {
num_MFUs = 1;
headers_first = 0;
multiple_aus_flag = 0;
}
if (timing_flag) {
optional bit(timestamps_bits) base_timestamp;
if (clock_map) {
bit(64) clock_ref;
}
optional bit(ts_inc_bits) ts_increment;
optional bit(2) constant_flag;
optional bit(N) interval;
if (ts_inc_factor) ts_increment *= ts_inc_factor;
}
for (i=0; i<num_MFUs; i++) {
optional bit(N) decode_order_number;
if (timing && (!i || multiple_aus_flag) ) {
optional bit(N) dts_diff;
optional bit(N) composition_timestamp_offset;
mfu_dts = base_timestamp + dts_diff * ts_increment;
mfu_cts = base_timestamp + composition_timestamp_offset
* ts_increment;
}
if (multiple_mfu_flag)
optional bit(N) mfu_size;
if (!headers_first) mmt_mfu_element();
}
if (headers_first) {
for (i=0; i<num_MFUs; i++) {
mmt_mfu_element();
}
}
}
110 メディアコーディングレイヤー
120 カプセル化機能レイヤー
130 配信機能レイヤー
140 転送プロトコルレイヤー
150 レイヤー
Claims (4)
- マルチメディアシステムにおけるメディアコンテンツ受信方法であって、
パケットヘッダー及びペイロードを含む、1つまたはそれ以上のマルチメディアデータパケットを受信するステップと、
前記1つまたはそれ以上のマルチメディアデータパケットに基づいて、1つまたはそれ以上のサブデータユニットに分割されるデータユニットを復旧するステップと、を含み、
前記ペイロードに含まれるペイロードデータは、前記データユニットのメタデータ、または少なくとも1つまたはそれ以上の前記サブデータユニット、または前記サブデータユニットを分割した、少なくとも1つまたはそれ以上のサブデータユニットデータを含み、
前記1つまたはそれ以上のマルチメディアデータパケットのそれぞれは、前記ペイロードデータが前記データユニットのメタデータを含むことを示すか、または、前記ペイロードデータが前記サブデータユニットデータを含むことを示すタイプ情報を含み、
前記データユニットの前記メタデータは、前記データユニットに関するファイルタイプ情報を含み、
前記1つまたはそれ以上のマルチメディアデータパケットのそれぞれは、前記ペイロードデータに含まれたデータが属したアセットを識別する情報をさらに含むことを特徴とするメディアコンテンツ受信方法。 - 前記データユニットの前記メタデータは、前記サブデータユニットの構成に関する情報を含むことを特徴とする請求項1に記載のメディアコンテンツ受信方法。
- 前記データユニットの前記メタデータは、コーデック設定情報を含むMOOVボックスと、前記ファイルタイプ情報の後に位置して前記データユニットに関連した情報を提供するMMPUボックスと、を含むことを特徴とする請求項1に記載のメディアコンテンツ受信方法。
- 前記ペイロードは、前記ペイロードデータが時間情報を含むか否かを示すフィールドを含むことを特徴とする請求項1に記載のメディアコンテンツ受信方法。
Applications Claiming Priority (2)
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US201261638048P | 2012-04-25 | 2012-04-25 | |
US61/638,048 | 2012-04-25 |
Related Parent Applications (1)
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JP2015508870A Division JP5947454B2 (ja) | 2012-04-25 | 2013-04-25 | マルチメディア送信システムのためのデータ送受信方法及び装置 |
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JP2016140099A true JP2016140099A (ja) | 2016-08-04 |
JP6122986B2 JP6122986B2 (ja) | 2017-04-26 |
Family
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JP2015508870A Active JP5947454B2 (ja) | 2012-04-25 | 2013-04-25 | マルチメディア送信システムのためのデータ送受信方法及び装置 |
JP2016054413A Active JP6122986B2 (ja) | 2012-04-25 | 2016-03-17 | マルチメディアシステムにおけるデータ受信方法及び装置 |
JP2017073784A Active JP6422527B2 (ja) | 2012-04-25 | 2017-04-03 | マルチメディアシステムにおけるデータ受信方法及び装置 |
JP2018195021A Active JP6754810B2 (ja) | 2012-04-25 | 2018-10-16 | マルチメディアシステムにおけるデータ送信方法 |
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JP2018195021A Active JP6754810B2 (ja) | 2012-04-25 | 2018-10-16 | マルチメディアシステムにおけるデータ送信方法 |
Country Status (14)
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---|---|
US (3) | US9872051B2 (ja) |
EP (3) | EP2843955B1 (ja) |
JP (4) | JP5947454B2 (ja) |
KR (1) | KR101501347B1 (ja) |
CN (3) | CN108777676B (ja) |
CA (1) | CA2871578C (ja) |
ES (1) | ES2955327T3 (ja) |
FI (1) | FI2843955T3 (ja) |
HU (1) | HUE063722T2 (ja) |
MX (1) | MX343181B (ja) |
PL (1) | PL2843955T3 (ja) |
PT (1) | PT2843955T (ja) |
RU (1) | RU2639725C2 (ja) |
WO (1) | WO2013162312A1 (ja) |
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