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libgpac
Documentation of the core library of GPAC
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libgpac
Documentation of the core library of GPAC
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import <scenejs.idl;
Public Member Functions | |
| MediaObject | get_resource (unsigned long index) |
| *QualityDesc | get_quality (unsigned long index) |
| void | select_service (unsigned long serviceID) |
| void | select_quality (unsigned long quality_index) |
| void | select () |
| SRDDesc | get_srd () |
| boolean | in_parent_chain (JSFSFilter filter) |
| void | declare_addon (DOMString addon_url) |
| void | enable_addon (DOMString addon_url) |
| void | addon_layout (DOMString addon_url, optional unsigned long pos=0, optional unsigned long size=0) |
| void | disable_main_addon () |
Data Fields | |
| readonly atttribute unsigned long | ID |
| readonly atttribute unsigned long | nb_resources |
| readonly atttribute DOMString | service_url |
| readonly atttribute double | duration |
| readonly atttribute double | clock_time |
| readonly atttribute unsigned long | clock_drift |
| readonly atttribute DOMString | status |
| readonly atttribute unsigned long | buffer |
| readonly atttribute unsigned long | db_unit_count |
| readonly atttribute unsigned long | cb_unit_count |
| readonly atttribute unsigned long | cb_capacity |
| readonly atttribute unsigned long | type |
| readonly atttribute unsigned long | samplerate |
| readonly atttribute unsigned long | channels |
| readonly atttribute DOMString | lang |
| readonly atttribute unsigned long | width |
| readonly atttribute unsigned long | height |
| readonly atttribute unsigned long | pixelformt |
| readonly atttribute unsigned long | par |
| readonly atttribute unsigned long | dec_frames |
| readonly atttribute unsigned long | drop_frames |
| readonly atttribute unsigned long | max_dec_time |
| readonly atttribute unsigned long long | total_dec_time |
| readonly atttribute unsigned long | avg_bitrate |
| readonly atttribute unsigned long | max_bitrate |
| readonly atttribute DOMString | service_handler |
| readonly atttribute DOMString | codec |
| readonly atttribute unsigned long | nb_qualities |
| readonly atttribute unsigned long | max_buffer |
| readonly atttribute unsigned long | min_buffer |
| readonly atttribute unsigned long | frame_duration |
| readonly atttribute unsigned long | irap_frames |
| readonly atttribute unsigned long | irap_dec_time |
| readonly atttribute unsigned long long | irap_max_time |
| readonly atttribute unsigned long | service_id |
| readonly atttribute unsigned long | selected_service |
| readonly atttribute unsigned long | bandwidth_down |
| readonly atttribute unsigned long | nb_http |
| readonly atttribute double | timeshift_depth |
| readonly atttribute double | timeshift_time |
| readonly atttribute boolean | is_addon |
| readonly atttribute boolean | main_addon_on |
| readonly atttribute boolean | is_over |
| readonly atttribute boolean | dynamic_scene |
| readonly atttribute DOMString | service_name |
| readonly atttribute unsigned long | ntp_diff |
| readonly atttribute unsigned long | ntp_sender_diff |
| readonly atttribute DOMString | main_addon_url |
| readonly atttribute boolean | reverse_playback_supported |
| readonly atttribute boolean | scalable_enhancement |
| readonly atttribute double | main_addon_media_time |
| readonly atttribute unsigned long | dependent_groups |
| readonly atttribute boolean | vr_scene |
| readonly atttribute boolean | disabled |
interface to Object Managet - see MediaObject
| MediaObject MediaObject::get_resource | ( | unsigned long | index | ) |
gets MediaObject in this object subscene by index
| index | the 0-based index of the media object to query |
| *QualityDesc MediaObject::get_quality | ( | unsigned long | index | ) |
gets quality by index
| index | the 0-based index of the quality to query |
| void MediaObject::select_service | ( | unsigned long | serviceID | ) |
selects service ID
| serviceID | ID of the service to select |
| void MediaObject::select_quality | ( | unsigned long | quality_index | ) |
selects object quality by index.
| quality_index | if "auto", turns on automatic rate adaptation. Otherwise selects quality by index (0-based) and turn off rate adaptation |
| void MediaObject::select | ( | ) |
select this MediaObject
| SRDDesc MediaObject::get_srd | ( | ) |
gets SRD information if any this MediaObject
| boolean MediaObject::in_parent_chain | ( | JSFSFilter | filter | ) |
checks if the given filter is in parent (down the source) chain of this object. The compositor filter and any filter connected after the compositor are excluded
| filter | the filter to test |
| void MediaObject::declare_addon | ( | DOMString | addon_url | ) |
declares an addon
| addon_url | URL of addon to insert |
| void MediaObject::enable_addon | ( | DOMString | addon_url | ) |
enables an addon
| addon_url | URL of addon to insert |
| void MediaObject::addon_layout | ( | DOMString | addon_url, |
| optional unsigned long | pos = 0, |
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| optional unsigned long | size = 0 |
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| ) |
set addon size and position in main window
| addon_url | URL of addon to insert |
| pos | code for addon position on screen: bottom-left(0), top-left (1) bottom-right (2) or top-right (3) |
| size | code for addon size on screen: 1/2 height (0), 1/3 (1) or 1/4 (2) |
| void MediaObject::disable_main_addon | ( | ) |
disable main addon
| readonly atttribute unsigned long MediaObject::ID |
Object ID
| readonly atttribute unsigned long MediaObject::nb_resources |
number of ODM in subscene
| readonly atttribute DOMString MediaObject::service_url |
URL of parent network service
| readonly atttribute double MediaObject::duration |
duration in sec
| readonly atttribute double MediaObject::clock_time |
clock time in sec
| readonly atttribute unsigned long MediaObject::clock_drift |
clock drif in milliseconds (how late the last frame was compared to its theoretical CTS)
| readonly atttribute DOMString MediaObject::status |
playback status: "Stopped" , "Playing", "Paused", "Not Setup", "Setup Failed"
| readonly atttribute unsigned long MediaObject::buffer |
buffer in ms
| readonly atttribute unsigned long MediaObject::db_unit_count |
number of AUs in decoder input buffer
| readonly atttribute unsigned long MediaObject::cb_unit_count |
number of decoded AUs in decoder output buffer
| readonly atttribute unsigned long MediaObject::cb_capacity |
maxumum allowed number of decoded AUs in decoder output buffer
| readonly atttribute unsigned long MediaObject::type |
stream type
| readonly atttribute unsigned long MediaObject::samplerate |
audio sample rate
| readonly atttribute unsigned long MediaObject::channels |
number audio channels
| readonly atttribute DOMString MediaObject::lang |
language
| readonly atttribute unsigned long MediaObject::width |
width in pixels
| readonly atttribute unsigned long MediaObject::height |
height in pixels
| readonly atttribute unsigned long MediaObject::pixelformt |
pixel format
| readonly atttribute unsigned long MediaObject::par |
pixel aspect ratio
| readonly atttribute unsigned long MediaObject::dec_frames |
number of decoded frames
| readonly atttribute unsigned long MediaObject::drop_frames |
number of drop frames
| readonly atttribute unsigned long MediaObject::max_dec_time |
max decode of an AU time in microseconds
| readonly atttribute unsigned long long MediaObject::total_dec_time |
cumultaed AU decode time in microseconds
| readonly atttribute unsigned long MediaObject::avg_bitrate |
average rate in bits per second
| readonly atttribute unsigned long MediaObject::max_bitrate |
max rate in bits per second
| readonly atttribute DOMString MediaObject::service_handler |
name of filter handling demuxer
| readonly atttribute DOMString MediaObject::codec |
name of decoder
| readonly atttribute unsigned long MediaObject::nb_qualities |
number of qualities for this object (http streaming and co)
| readonly atttribute unsigned long MediaObject::max_buffer |
max playout buffer in milliseconds
| readonly atttribute unsigned long MediaObject::min_buffer |
min rebuffer lvel in milliseconds
| readonly atttribute unsigned long MediaObject::frame_duration |
frame duration in milliseconds
| readonly atttribute unsigned long MediaObject::irap_frames |
number of frames with SAP != 0 seen
| readonly atttribute unsigned long MediaObject::irap_dec_time |
cumulated time of decoding of frames with SAP != 0, in microseconds
| readonly atttribute unsigned long long MediaObject::irap_max_time |
maximum decoding of frames with SAP != 0, in microseconds
| readonly atttribute unsigned long MediaObject::service_id |
service ID
| readonly atttribute unsigned long MediaObject::selected_service |
ID of the selected service in the main scene
| readonly atttribute unsigned long MediaObject::bandwidth_down |
download bandwidth in bits per second
| readonly atttribute unsigned long MediaObject::nb_http |
number of HTTP sessions for this object
| readonly atttribute double MediaObject::timeshift_depth |
timeshift buffer depth in seconds
| readonly atttribute double MediaObject::timeshift_time |
timeshift time in seconds, 0 being live edge
| readonly atttribute boolean MediaObject::is_addon |
true if object is an addon media (added externally from the main service delivering the scene, eg TEMI-like)
| readonly atttribute boolean MediaObject::main_addon_on |
checks if main addon is enabled (typically the timeshift addon DASH object for a live broadcast)
| readonly atttribute boolean MediaObject::is_over |
end of stream state
| readonly atttribute boolean MediaObject::dynamic_scene |
if false, the scene, in which the object is, is an SVG/BIFS/VRML
| readonly atttribute DOMString MediaObject::service_name |
name of the service if known
| readonly atttribute unsigned long MediaObject::ntp_diff |
current NTP diff between composition of a frame and indicated NTP target
| readonly atttribute unsigned long MediaObject::ntp_sender_diff |
NTP diff last packet reception time and its sent time. If unknown, attribute value is null
| readonly atttribute DOMString MediaObject::main_addon_url |
URL of main addon
| readonly atttribute boolean MediaObject::reverse_playback_supported |
indicates reverse playback is supported
| readonly atttribute boolean MediaObject::scalable_enhancement |
indicates if scalable enhancements (SVC, SHVC) are available for the object
| readonly atttribute double MediaObject::main_addon_media_time |
media time in seconds of main addon
| readonly atttribute unsigned long MediaObject::dependent_groups |
true if object has dependent groups (tile streaming in DASH)
| readonly atttribute boolean MediaObject::vr_scene |
true if scene is a VR scene
| readonly atttribute boolean MediaObject::disabled |
true if object is disabled (such objects are only used to describe redirections)
1.9.8