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Author SHA1 Message Date
Mark Nauwelaerts
4dc486ddc5 baseparse: increase keyframe awareness 
... which is not particular relevant for audio parsing, but more so
in video cases.  In particular, auto-determine if dealing with video (caps).
 2011-04-08 15:44:54 +01:00
Mark Nauwelaerts
aed933c0ce baseparse: avoid unexpected stray metadata 2011-04-08 15:44:53 +01:00
Mark Nauwelaerts
0cb02472f0 baseparse: use proper _NONE output value when applicable 2011-04-08 15:44:53 +01:00
Edward Hervey
dab512bb15 audioparsers: Remove dead assignments 2011-04-08 15:44:53 +01:00
Andoni Morales Alastruey
fc4885a3a3 audioparse: fix possible division-by-zero 
https://bugzilla.gnome.org/show_bug.cgi?id=635786
 2011-04-08 15:44:53 +01:00
Mark Nauwelaerts
4230c0b2e1 baseparse: use correct offset when adding index entry 
... bearing in mind that BUFFER_OFFSET is media specific and may not
reflect the basic offset after having been parsed.
 2011-04-08 15:44:53 +01:00
Mark Nauwelaerts
3faccbd29f baseparse: enhancements for timestamp marked framed formats 
That is, as such formats allow subclass to extract position from frame,
it is possible to extract duration (if not otherwise provided)
from (near) last frame, and a seek can fairly accurately target the required
position.

Fixes #631389.
 2011-04-08 15:44:53 +01:00
Mark Nauwelaerts
454f21f077 baseparse: refactor frame scanning peformed by _loop 2011-04-08 15:44:53 +01:00
Mark Nauwelaerts
10eae096fe baseparse: slightly optimize sending of pending newsegment events 2011-04-08 15:44:53 +01:00
Mark Nauwelaerts
6d3447c6ec baseparse: minor fixes and enhancements 
Arrange for upstream as well as downstream flushing when seeking.
Also determine upstream size as well as seekability.  Adjust some comments
to reality and employ debug statement in proper order.
 2011-04-08 15:44:53 +01:00
Mark Nauwelaerts
0f9435888a baseparse: use only upstream duration if it provides one 2011-04-08 15:44:53 +01:00
Mark Nauwelaerts
78ef0387e7 baseparse: reflow update_bitrate code 
... which makes local variables represent real state better, and avoids
triggering unneeded updates/actions.
 2011-04-08 15:44:53 +01:00
Mark Nauwelaerts
85307bf969 baseparse: add some debug statements 2011-04-08 15:44:53 +01:00
Mark Nauwelaerts
9394662f35 baseparse: perform bitrate handling and posting after newsegment sending 2011-04-08 15:44:53 +01:00
Mark Nauwelaerts
07eff44306 baseparse: immediately post subclass provided bitrate 2011-04-08 15:44:53 +01:00
Tim-Philipp Müller
a4f5db7088 Revert "baseparse: add skip property" 
This reverts commit b5a3d60363.

Reverting this for now, since no one really seems to remember why this
property exists or what it could possibly be good for. It seems to have
been in the original mp3parse since the beginning of time and was back-
ported from there.
 2011-04-08 15:44:52 +01:00
Sebastian Dröge
ad6ce1e2d8 audioparser: Let the format string agree with the parameters to fix compiler warning 2011-04-08 15:44:52 +01:00
Arun Raghavan
c56f223da7 baseparse: Fix debug output 
We lose the reference to the buffer after gst_pad_push(), so the debug
print should happen before.

https://bugzilla.gnome.org/show_bug.cgi?id=622276
 2011-04-08 15:44:52 +01:00
Mark Nauwelaerts
cc8d04dad5 baseparse: support reverse playback 
... in pull mode or upstream driven.
 2011-04-08 15:44:52 +01:00
Mark Nauwelaerts
5e9cfceb26 baseparse: remove done TODOs and update documentation 2011-04-08 15:44:52 +01:00
Mark Nauwelaerts
67666768a2 baseparse: use determined seekability in answering SEEKING query 2011-04-08 15:44:52 +01:00
Mark Nauwelaerts
ba3d5da1ee baseparse: add skip property 2011-04-08 15:44:52 +01:00
Mark Nauwelaerts
038821d30e baseparse: use _set_frame_props to configure frame lead_in and lead_out 
... provided a corresponding decoder with sufficient leading and following
frames to carry out full decoding for a particular segment.
 2011-04-08 15:44:52 +01:00
Mark Nauwelaerts
668ad3836a baseparse: use _set_duration to configure duration update interval 
... as it logically belongs there as one or the other; either subclass
can provide a duration, or an estimate must be made (reguarly updated).
 2011-04-08 15:44:52 +01:00
Mark Nauwelaerts
6b33f59406 baseparse: localize use of provided fps information 2011-04-08 15:44:52 +01:00
Mark Nauwelaerts
9db9d2eabf baseparse: seek table and accurate seek support 2011-04-08 15:44:52 +01:00
Mark Nauwelaerts
3304f194a9 baseparse: proper and more extended segment and seek handling 
That is, loop pause handling, segment seek support, newsegment for gaps, etc
 2011-04-08 15:44:52 +01:00
Mark Nauwelaerts
4d20688af3 baseparse: add index support 2011-04-08 15:44:52 +01:00
Mark Nauwelaerts
224af37314 baseparse: refactor state reset 2011-04-08 15:44:51 +01:00
Mark Nauwelaerts
35bfc86e67 baseparse: prevent indefinite resyncing 2011-04-08 15:44:51 +01:00
Mark Nauwelaerts
31e676e4d7 baseparse: specific EOS handling if no output so far 2011-04-08 15:44:51 +01:00
Mark Nauwelaerts
d801f74366 baseparse: adjust _set_frame_prop documentation and set default as claimed 2011-04-08 15:44:51 +01:00
Mark Nauwelaerts
745de19963 baseparse: fix bitrate copy-and-paste and update heuristic 2011-04-08 15:44:51 +01:00
Mark Nauwelaerts
60a8533d48 baseparse: post duration message if average bitrates is updated 2011-04-08 15:44:51 +01:00
Mark Nauwelaerts
7ba1b6e4d7 baseparse: remove is_seekable vmethod and use a set_seek instead 
Seekability, like duration, etc is unlikely to change (frequently), and
the default assumption covers most cases, so let subclass set when needed.
At the same time, allow subclass to indicate if it has seek-metadata (table)
available, and possibly have it provide an average bitrate.
 2011-04-08 15:44:51 +01:00
Mark Nauwelaerts
4b0f92db79 baseparse: add another hook for subclass prior to pushing buffer 
... and allow subclass to perform custom segment clipping, or to
emit tags or messages at this time.
 2011-04-08 15:44:50 +01:00
Mark Nauwelaerts
b51b5d4b29 baseparse: 0 converts to 0 by default 2011-04-08 15:44:50 +01:00
Mark Nauwelaerts
3c656232eb baseparse: refactor conversion using helper function and export default convert 2011-04-08 15:44:50 +01:00
Mark Nauwelaerts
12cc228d84 baseparse: streamline query handling 2011-04-08 15:44:50 +01:00
Mark Nauwelaerts
e274ebb292 baseparse: cleanup struct and remove unused member 2011-04-08 15:44:50 +01:00
Arun Raghavan
03164ad8ab baseparse: Allow chaining of subclass event handlers 
This allows the child class to chain its event handler with
GstBaseParse, so that subclasses don't have to duplicate all the default
event handling logic.

https://bugzilla.gnome.org/show_bug.cgi?id=622276
 2011-04-08 15:44:50 +01:00
Sebastian Dröge
f3f338f14a baseparse: Don't use GST_FLOW_IS_FATAL() 
Also don't post an error message for UNEXPECTED and do it
for NOT_LINKED.
 2011-04-08 15:44:49 +01:00
Mark Nauwelaerts
08e8dbf027 baseparse: non-TIME seek event is simply not handled 2011-04-08 15:44:49 +01:00
Mark Nauwelaerts
dc80b52372 baseparse: fix seek event ref handling 2011-04-08 15:44:49 +01:00
Mark Nauwelaerts
b4f1778a7d baseparse: prevent arithmetic overflows in pull mode buffer cache handling 2011-04-08 15:44:49 +01:00
Mark Nauwelaerts
1b8a96e999 baseparse: fix seek handling 
Allow a few more seek event type combinations, and really use the result
of gst_segment_set_seek to perform the seek.  Also add some debug.
 2011-04-08 15:44:49 +01:00
Arun Raghavan
eb73b3e933 baseparse: Don't emit bitrate tags too early 
We wait to parse a minimum number of frames (10, arbitrarily) before
emiting bitrate tags so that our early estimates are not wildly
inaccurate for streams that start with a silence. If the stream ends
before that, we just emit the tags anyway.

While it _would_ be nicer to be specify the threshold to start pushing
the tags in terms of duration, this would introduce more complexity than
this merits.

https://bugzilla.gnome.org/show_bug.cgi?id=614991
 2011-04-08 15:44:49 +01:00
Sebastian Dröge
a6b20b62bd baseparse: Set the last stop to the buffer starttime if the duration is invalid 
...instead of not setting it at all.
 2011-04-08 15:44:49 +01:00
Joshua M. Doe
e85f8c8ab6 baseparse: Send NEWSEGMENT event with correct start and position 
Instead of taking the last stop (which could be buffer endtime instead
of starttime) always take the buffer starttime.

Fixes bug #614016.
 2011-04-08 15:44:49 +01:00
Tim-Philipp Müller
b0b9163125 audioparsers: remove unused GstBaseParseClassPrivate structure 2011-04-08 15:44:49 +01:00