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84 commits

Author SHA1 Message Date
Sebastian Dröge
8823ae251a flacparse: Implement conversions between TIME and DEFAULT format 
Fixes bug #650785.
 2011-05-23 11:43:02 +02:00
Tim-Philipp Müller
e0cadab5c2 flacparse: don't error out on invalid minimum_blocksize value in streaminfo header 
We don't use it, so may just as well accept an invalid value
of 0 here, which is likely inconsequential anyway.

https://bugzilla.gnome.org/show_bug.cgi?id=650691
 2011-05-22 18:54:18 +01:00
Tim-Philipp Müller
a0205ecd51 flacparse: update for gst_base_parse_frame_init() API change 2011-04-15 18:51:20 +01:00
Tim-Philipp Müller
7a2a088c53 audioparsers: port to new GstBaseParse in core 2011-04-08 18:07:17 +01:00
Mark Nauwelaerts
551eefb757 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 18:07:14 +01:00
Mark Nauwelaerts
4163969a24 baseparse: introduce a baseparse frame to serve as context 
... and adjust subclass parsers accordingly
 2011-04-08 18:07:14 +01:00
Mark Nauwelaerts
eafcdf67b9 flacparse: mind gst_buffer_unref not liking NULL 
Fixes #639950.
 2011-04-08 18:07:13 +01:00
Edward Hervey
6fbdfa07a8 flacparse: Fix unitialized variable on macosx 2011-04-08 18:07:13 +01:00
Mark Nauwelaerts
55da8e46eb flacparse: parse seektable 
Fixes #631389 (partially).
 2011-04-08 18:07:12 +01:00
Mark Nauwelaerts
b1f8380e4c flacparse: minor refactor and enable default baseparse segment clipping 2011-04-08 18:07:11 +01:00
Mark Nauwelaerts
98c7f4b2f6 flacparse: tweak setting buffer metadata; avoid timestamp jitter 
Fixes #631993.
 2011-04-08 18:07:11 +01:00
Sebastian Dröge
274414e3d6 flacparse: Don't drop the last frame if it is followed by garbage 
See bug #631814.
 2011-04-08 18:07:11 +01:00
Mark Nauwelaerts
4a7f899f6e flacparse: fix parsing with unknown framesizes 
Fixes #631814 (mostly).
 2011-04-08 18:07:10 +01:00
Sebastian Dröge
c3678a5384 flacparse: Simplify frame header parsing by using lookup tables 
Based on a patch by Felipe Contreras.

See bug #631200.
 2011-04-08 18:07:10 +01:00
Sebastian Dröge
572366e179 flacparse: Don't parse the complete FLAC frames but only look for valid frame headers 
Thanks to Felipe Contreras for the suggestion. This is partially
based on his patches and makes flacparse more than 3.5 times faster.

Looking for valid frame headers is unlikely to give false positives
because every frame header is at least 9 bytes long, contains a
14 bit sync code and a 8 bit checksum over the first 8 bytes.

Fixes bug #631200.
 2011-04-08 18:07:10 +01:00
Sebastian Dröge
bfdc132ad0 flacparse: Really post tags only after the initial newsegment event 
The first newsegment event will be send by the first call to
gst_base_parse_push_buffer() if necessary, posting the tags
before that is not a good idea. Instead do it from the
GstBaseParse::pre_push_buffer vfunc.
 2011-04-08 18:07:09 +01:00
Sebastian Dröge
872b49efa7 flacparse: Fix uninitialized variable compiler warnings 
These warnings are wrong, the variables are only used if they were
initialized by the bit reader.
 2011-04-08 18:07:09 +01:00
Felipe Contreras
70d5346ee8 flacparse: fix picture parsing 
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
 2011-04-08 18:07:09 +01:00
Sebastian Dröge
36f48450b1 flacparse: Push tags before the header buffers are pushed 2011-04-08 18:07:09 +01:00
Felipe Contreras
eaa6f789b2 flacparse: trivial caps fix 
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
 2011-04-08 18:07:09 +01:00
Mark Nauwelaerts
f218b984cc 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 18:07:08 +01:00
Sebastian Dröge
00b0444618 flacparse: Optionally check the overall frame checksums too before accepting a frame as valid 
This is optional because it's a quite expensive operation and it's very
unlikely that a non-frame is detected as frame after the header CRC check
and checking all bits for valid values. The overall frame checksums are
mainly useful to detect inconsistencies in the encoded payload.
 2011-04-08 18:07:06 +01:00
Sebastian Dröge
7b10c2afce flacparse: Check the CRC-8 of the headers before accepting a frame as valid 
This makes false-positives during seeking much less likely and detection of
them much faster.
 2011-04-08 18:07:06 +01:00
Arun Raghavan
7184fe911d flacparse: Fix buffer refcount issue 
When called from the GST_FLAC_PARSE_STATE_HEADERS case,
gst_flac_parse_hand_headers() does a gst_buffer_set_caps() on a buffer
with refcount > 1. This change handles this case by making the buffer
metadata_Writable.

https://bugzilla.gnome.org/show_bug.cgi?id=614037
 2011-04-08 18:07:06 +01:00
Arun Raghavan
fb4673cde9 flacparse: Make bitrate estimation more accurate 
This implements the get_frame_overhead() vfunc so that baseparse can
make more accurate bitrate estimates.
 2011-04-08 18:07:05 +01:00
Edward Hervey
85ceeaefe5 flacparse: Initialize variables. 
Fixes build on $#@*( macosx
 2011-04-08 18:07:04 +01:00
Mark Nauwelaerts
4ee63d49dd flacparse: add documentation 2011-04-08 18:07:03 +01:00
Mark Nauwelaerts
9bcd66cb98 flacparse: perform additional frame checks when resyncing 2011-04-08 18:07:03 +01:00
Mark Nauwelaerts
84e0aae90c flacparse: fix (multiple channel) frame parsing 2011-04-08 18:07:03 +01:00
Mark Nauwelaerts
a18863c8ec flacparse: declare unparsed input and parsed output 2011-04-08 18:07:03 +01:00
Mark Nauwelaerts
83f02e8bc8 flacparse: locate next sync code more efficiently 2011-04-08 18:07:03 +01:00
Mark Nauwelaerts
534e2d7f49 flacparse: baseparse takes care of handling leftover pieces 2011-04-08 18:07:03 +01:00
Mark Nauwelaerts
0d53b6ad62 flacparse: set _OFFSET and _OFFSET_END on outgoing buffers 2011-04-08 18:07:03 +01:00
Mark Nauwelaerts
4db789a18c audioparsers: move 'flacparse' into it 2011-04-08 18:07:02 +01:00