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docs/design/part-buffering.txt: Remove the "none" buffering mode, STREAM is a good default.

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Original commit message from CVS:
* docs/design/part-buffering.txt:
Remove the "none" buffering mode, STREAM is a good default.
Move estimated-time to the avail query, that's when it will be needed.
Other small typo fixes and updates.
This commit is contained in:
Wim Taymans 2008-04-08 19:14:49 +00:00
parent ed1d95d425
commit dd9009b8ca
2 changed files with 28 additions and 18 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2008-04-08 Wim Taymans <wim.taymans@collabora.co.uk>
* docs/design/part-buffering.txt:
Remove the "none" buffering mode, STREAM is a good default.
Move estimated-time to the avail query, that's when it will be needed.
Other small typo fixes and updates.
2008-04-07 Tim-Philipp Müller <tim at centricular dot net>
* gst/gstindex.c: (gst_index_resolver_get_type):

39
docs/design/part-buffering.txt
View file

@ -130,15 +130,16 @@ in incremental or timeshifting download mode. For this purpose additional fields
are added to the buffering message:
"buffering-mode", GST_TYPE_BUFFERING_MODE,
enum { "none", "stream", "download", "timeshift", "live" }
enum { "stream", "download", "timeshift", "live" }
- gives the buffering mode in use. See above for an explanation of the
different modes of buffering.
different modes of buffering. This field can be used to let the
application have more control over the buffering process.
"avg-in-rate", G_TYPE_INT
- gives the average input buffering speed in bytes/second. -1 is unknown.
This is the average number of bytes per second that is received on the
buffering element input (sink) pads. If is a measurement of the network
buffering element input (sink) pads. It is a measurement of the network
speed in most cases.
"avg-out-rate", G_TYPE_INT
@ -147,20 +148,13 @@ are added to the buffering message:
This is the average number of bytes per second that is consumed by the
downstream element of the buffering element.
"buffering-left", G_TYPE_INT
"buffering-left", G_TYPE_INT64
- gives the estimated time that bufferring will take in milliseconds.
-1 unknown.
This is measured based on the avg-in-rate and the filled level of the
queue. The application can use this hint to update the gui while buffering.
"estimated-time", G_TYPE_INT
- gives the estimated download time in milliseconds. -1 unknown.
When the size of the downloaded file is known, this value will contain
the latest estimate of the remaining download time. This value is usualy
only filled for the "download" buffering mode.
queue. The application can use this hint to update the GUI about the
estimated remaining time that buffering will take.
Application
-----------
@ -195,7 +189,7 @@ file so that the GUI can react on it.
In addition to all the fields present in the buffering message, the BUFFERING
query contains the following field, which indicate the available downloaded
range in a specific format:
range in a specific format and the estimated time to complete:
"format", GST_TYPE_FORMAT
- the format of the "start" and "stop" values below
@ -206,6 +200,15 @@ range in a specific format:
"stop", G_TYPE_INT64, -1 unknown
- the stop position of the available data
"estimated-total", G_TYPE_INT64
- gives the estimated download time in milliseconds. -1 unknown.
When the size of the downloaded file is known, this value will contain
the latest estimate of the remaining download time. This value is usualy
only filled for the "download" buffering mode. The application can use
this information to estimate the amount of remaining time to download the
complete file.
For the "download" and "timeshift" buffering-modes, the start and stop positions
specify the ranges where efficient seeking in the downloaded media is possible.
Seeking outside of these ranges might be slow or not at all possible.
@ -222,24 +225,24 @@ Some defaults for common elements:
A GstBaseSrc with random access replies to the BUFFERING query with:
"buffer-percent" = 100
"buffering-mode" = "none"
"buffering-mode" = "stream"
"avg-in-rate" = -1
"avg-out-rate" = -1
"buffering-left" = 0
"estimated-time" = 0
"format" = GST_FORMAT_BYTES
"start" = 0
"stop" = the total filesize
"estimated-time" = 0
A GstBaseSrc in push mode replies to the BUFFERING query with:
"buffer-percent" = 100
"buffering-mode" = "none"
"buffering-mode" = "stream"
"avg-in-rate" = -1
"avg-out-rate" = -1
"buffering-left" = 0
"estimated-time" = 0
"format" = a valid GST_TYPE_FORMAT
"start" = current position
"stop" = current position
"estimated-time" = 0