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Author SHA1 Message Date
Mark Nauwelaerts
ae23eb9955 baseparse: tune default duration estimate update interval 
Rather than a fixed default frame count, estimate frame count to aim for
an interval duration depending on fps if available, otherwise use old
fixed default.
 2011-04-08 15:44:56 +01:00
Mark Nauwelaerts
d6d56d2420 baseparse: reverse playback; mind keyframes for fragment boundary 2011-04-08 15:44:55 +01:00
Mark Nauwelaerts
6f933050b0 baseparse: ensure non-empty candidate frames 2011-04-08 15:44:55 +01:00
Mark Nauwelaerts
123b2b063c baseparse: clarify some debug statements 2011-04-08 15:44:55 +01:00
Mark Nauwelaerts
dccb20cd58 baseparse: properly track upstream timestamps 
... rather than with a delay.
 2011-04-08 15:44:55 +01:00
Mark Nauwelaerts
212eae966a baseparse: need proper frame duration to obtain sensible frame bitrate 2011-04-08 15:44:55 +01:00
Mark Nauwelaerts
ebf124251f baseparse: proper initial values for index tracking variables 2011-04-08 15:44:55 +01:00
Mark Nauwelaerts
ef641d0515 baseparse: arrange for consistent event handling 2011-04-08 15:44:55 +01:00
Mark Nauwelaerts
ec835b45b7 baseparse: header style cleaning 2011-04-08 15:44:54 +01:00
Mark Nauwelaerts
070db250b3 baseparse: provide some more initial frame metadata in parse_frame 
... and document accordingly.
 2011-04-08 15:44:54 +01:00
Mark Nauwelaerts
c38fbf8879 baseparse: refactor passthrough into format flags 
Also add a format flag to signal baseparse that subclass/format can provide
(parsed) timestamp rather than an estimated one.  In particular, such "strong"
timestamp then allows to e.g. determine duration.
 2011-04-08 15:44:54 +01:00
Mark Nauwelaerts
75bf0cfa32 baseparse: introduce a baseparse frame to serve as context 
... and adjust subclass parsers accordingly
 2011-04-08 15:44:54 +01:00
Mark Nauwelaerts
a27cc4ad83 baseparse: restrict duration scanning to pull mode and avoid extra set_caps call 2011-04-08 15:44:54 +01:00
Mark Nauwelaerts
efe6f065d6 baseparse: update some documentation 
Also add some more debug.
 2011-04-08 15:44:54 +01:00
Mark Nauwelaerts
e567d1776c baseparse: allow increasing min_size for current frame parsing only 
Also check that subclass actually either directs to skip bytes or
increases expected frame size to avoid going nowhere in bogus
indefinite looping.
 2011-04-08 15:44:54 +01:00
Mark Nauwelaerts
cb4ec7388a baesparse: fix refactor regression in loop based parsing 2011-04-08 15:44:54 +01:00
Mark Nauwelaerts
3cf81d066f baseparse: pass all available data to subclass rather than minimum 
Also reduce some adapter calls and add a few debug statements.
 2011-04-08 15:44:54 +01:00
Mark Nauwelaerts
c0cbab6981 baseparse: fix reverse playback handling 2011-04-08 15:44:54 +01:00
Mark Nauwelaerts
d191e8b496 baseparse: minor typo and debug statement cleanup 2011-04-08 15:44:54 +01:00
Mark Nauwelaerts
c1adec7c76 baseparse: reduce locking 
... which is either already mute and/or implicitly handled by STREAM_LOCK.
 2011-04-08 15:44:54 +01:00
Mark Nauwelaerts
d45cdf65d5 baseparse: avoid loop in frame locating interpolation 2011-04-08 15:44:54 +01:00
Thiago Santos
a3e55038ac audioparsers: baseparse: Be careful to not lose the event ref 
Don't unref the event if it hasn't been handled, because the caller
assumes it is still valid and might reuse it.

I ran into this problem when transcoding an AVI (with mp3 inside)
to gpp.

https://bugzilla.gnome.org/show_bug.cgi?id=639555
 2011-04-08 15:44:54 +01:00
Tim-Philipp Müller
40a5458392 docs: minor baseparse docs/comment fixes 
Remove copy'n'paste leftovers.
 2011-04-08 15:44:54 +01:00
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