Commit graph

21 commits

Author SHA1 Message Date
Vincent Penquerc'h
0173afa38c oggdemux: implement push mode seeking
This patch implements seeking in push mode (eg, over the net)
in Ogg, using the double bisection method.
As a side effect, it also fixes duration determination of network
streams, by seeking to the end to check the actual duration.

Known issues:
- Getting an EOS while seeking stops the streaming task, I can't
  find a way to prevent this (eg, by issuing a seek in the event
  handler).
- Seeking twice in a VERY short succession with playbin2 fails
  for streams with subtitles, we end up pushing in a dataqueue
  which is flushing. Rare in normal use AFAICT.
- Seeking is slow on slow links - byte ranges guesses could be
  made better, decreasing the number of required requests
- If no granule position is found in the last 64 KB of a stream,
  duration will be left unknown (should be pretty rare)

https://bugzilla.gnome.org/show_bug.cgi?id=621897
2011-09-16 19:47:10 +01:00
David Schleef
5ae2f04856 oggdemux: move is_sparse into stream map 2010-10-12 16:06:56 +02:00
Wim Taymans
97319a6276 oggdemux: clean up fishead/fisbone parsing
Remove some redundant code for parsing fishead streams. Actually use the data we
parsed (mostly start_time).
2010-05-04 12:05:15 +02:00
Wim Taymans
f96caa17b3 oggdemux: implement seek in push mode
Refactor start time collection code.
When we receive a flush_stop, resync to the new start time and push out a new
segment event.
2010-05-04 11:26:14 +02:00
Wim Taymans
f9ca4f6097 oggdemux: use bitrate to estimate length in pushmode
Parse the bitrate from the various streams.
Use the bitrate and the upstream length in bytes to estimate the total stream
duration in push mode.
2010-04-30 17:43:06 +02:00
Mark Nauwelaerts
e23d6bbda7 oggdemux: only EOS when all streams are EOS 2010-04-30 12:51:54 +02:00
Benjamin Otte
43b1683421 Add -Wmissing-declarations -Wmissing-prototypes to warning flags
Includes all the fixes necessary to make stuff compile again.
2010-03-11 13:50:31 +01:00
Wim Taymans
62f8c3c672 oggdemux: rename a variable
Rename the 'seekable' variable to 'pullmode'. We might be able to seek in push
mode too eventually.
2010-01-25 12:31:24 +01:00
Wim Taymans
4b9666aedb oggdemux: keep track of added pads
Keep track of the pads we added and removed.
Remove some unused fields.
Don't add pads for which we don't have caps.
2010-01-21 17:39:52 +01:00
Wim Taymans
d18118418e oggdemux: remove redundant fields 2009-12-10 16:09:09 +01:00
Wim Taymans
96e1c4dbe6 oggdemux: guard against wrong granulepos
Clamp the initial granulepos to 0 instead of going negative for some badly muxed
ogg files.
2009-12-04 13:14:57 +01:00
David Schleef
8c202593c6 oggdemux: Fix timestamp generation for theora
Timestamp generation was broken by the last commit for formats
with a non-zero granule shift.  Also keep track of the last keyframe
so that we can regenerate granulepos for theora.
2009-11-24 22:08:09 -08:00
David Schleef
72edd1467b ogg: Add ogg stream parsing
Adds code that parses headers of various formats encapsulated in
Ogg in order to calculate timestamps and durations of each buffer.
Removes the creation of helper decoder elements to do this calculation
via conversion queries.

Fixes: #344013, #568014.
2009-11-21 19:40:42 +01:00
Tim-Philipp Müller
3a38a0958e oggdemux: Better handling of sparse streams by sending segment updates
Fixes bug #397419.
2009-09-10 10:16:56 +02:00
Wim Taymans
7e43c10754 oggdemux: fix abuse of ogg API, handle broken oggs
When we feed the ogg sync layer, we need to feed it contiguous data even if the
sync layer did not consume all of it yet. This makes sure that it always finds
the next page even for more corrupted files. Use a different read_offset for
this purpose. since we now keep track of the sync layer, we don't have to reset
after finding a start of a page.

Add some more debug info for the error paths.

Only reset the sync layer when we perform a seek operation.

Avoid failure when the next chain has no bos pages but instead simply ignore it.

when we receive unknown page serial numbers mid stream, don't fail but post a
warning and hope that we get back on track later.

Fixes #579642
2009-05-12 10:44:17 +02:00
Wim Taymans
7f347c61c0 ext/ogg/gstoggdemux.*: Copy seqnums around to track playback segments and messages.
Original commit message from CVS:
* ext/ogg/gstoggdemux.c: (gst_ogg_pad_submit_packet),
(gst_ogg_demux_deactivate_current_chain),
(gst_ogg_demux_perform_seek), (gst_ogg_demux_handle_page),
(gst_ogg_demux_loop):
* ext/ogg/gstoggdemux.h:
Copy seqnums around to track playback segments and messages.
2008-11-04 17:24:35 +00:00
Jan Schmidt
d58def621b Add some documentation comments, and some new headers to be scanned.
Original commit message from CVS:
* docs/plugins/Makefile.am:
* docs/plugins/gst-plugins-base-plugins-overrides.txt:
* docs/plugins/gst-plugins-base-plugins-sections.txt:
* docs/plugins/gst-plugins-base-plugins.args:
* docs/plugins/gst-plugins-base-plugins.hierarchy:
* docs/plugins/gst-plugins-base-plugins.interfaces:
* docs/plugins/gst-plugins-base-plugins.prerequisites:
* docs/plugins/inspect/plugin-adder.xml:
* docs/plugins/inspect/plugin-alsa.xml:
* docs/plugins/inspect/plugin-audioconvert.xml:
* docs/plugins/inspect/plugin-audiorate.xml:
* docs/plugins/inspect/plugin-audioresample.xml:
* docs/plugins/inspect/plugin-audiotestsrc.xml:
* docs/plugins/inspect/plugin-cdparanoia.xml:
* docs/plugins/inspect/plugin-decodebin.xml:
* docs/plugins/inspect/plugin-ffmpegcolorspace.xml:
* docs/plugins/inspect/plugin-gdp.xml:
* docs/plugins/inspect/plugin-gio.xml:
* docs/plugins/inspect/plugin-gnomevfs.xml:
* docs/plugins/inspect/plugin-libvisual.xml:
* docs/plugins/inspect/plugin-ogg.xml:
* docs/plugins/inspect/plugin-pango.xml:
* docs/plugins/inspect/plugin-playback.xml:
* docs/plugins/inspect/plugin-queue2.xml:
* docs/plugins/inspect/plugin-subparse.xml:
* docs/plugins/inspect/plugin-tcp.xml:
* docs/plugins/inspect/plugin-theora.xml:
* docs/plugins/inspect/plugin-typefindfunctions.xml:
* docs/plugins/inspect/plugin-uridecodebin.xml:
* docs/plugins/inspect/plugin-video4linux.xml:
* docs/plugins/inspect/plugin-videorate.xml:
* docs/plugins/inspect/plugin-videoscale.xml:
* docs/plugins/inspect/plugin-videotestsrc.xml:
* docs/plugins/inspect/plugin-volume.xml:
* docs/plugins/inspect/plugin-vorbis.xml:
* docs/plugins/inspect/plugin-ximagesink.xml:
* docs/plugins/inspect/plugin-xvimagesink.xml:
* ext/cdparanoia/gstcdparanoiasrc.c:
* ext/ogg/gstoggdemux.c:
* ext/ogg/gstoggdemux.h:
* ext/ogg/gstoggmux.c:
* ext/ogg/gstoggmux.h:
* gst/audioconvert/audioconvert.c:
* gst/audioconvert/audioconvert.h:
* gst/audioconvert/gstaudioconvert.h:
* gst/gdp/gstgdpdepay.h:
* gst/gdp/gstgdppay.h:
* gst/playback/gstdecodebin.c:
* gst/playback/gstdecodebin2.c:
* gst/playback/gstplaybin.c:
* gst/playback/gstplaybin2.c:
* gst/playback/gsturidecodebin.c:
* gst/tcp/gstmultifdsink.c:
* gst/tcp/gstmultifdsink.h:
* gst/tcp/gsttcp.h:
Add some documentation comments, and some new headers to be scanned.
Rename some internal enum declarations (audioconvert's DitherType and
NoiseShapingType, GstUnitType from the TCP elements) to match the
documented GObject type names so that the docs pick them up.
Name the playbin2 docs markups properly so they get picked up. They'll
need renaming back when/if playbin2 becomes playbin.
100% symbol coverage for the plugin docs, booya.
2008-05-22 22:09:16 +00:00
j^
1a154e1d3d ext/ogg/gstoggdemux.*: Parse presentation time from skeleton streams and use it as offset for the timestamps. Fixes b...
Original commit message from CVS:
Patch by: j^ <j at oil21 dot org>
* ext/ogg/gstoggdemux.c: (gst_ogg_pad_parse_skeleton_fishead),
(gst_ogg_pad_parse_skeleton_fisbone):
* ext/ogg/gstoggdemux.h:
Parse presentation time from skeleton streams and use it as offset
for the timestamps. Fixes bug #530068.
2008-05-13 07:28:21 +00:00
Stefan Kost
b2f9c0f289 More docs coverage and some ChangeLog surgery (add missing names)
Original commit message from CVS:
* ext/cdparanoia/gstcdparanoiasrc.h:
* ext/ogg/gstoggdemux.h:
* gst-libs/gst/audio/audio.c: (gst_audio_frame_byte_size),
(gst_audio_frame_length), (gst_audio_duration_from_pad_buffer),
(gst_audio_is_buffer_framed), (gst_audio_structure_set_int):
* gst-libs/gst/audio/audio.h:
* gst-libs/gst/audio/gstaudiofilter.h:
* gst-libs/gst/interfaces/videoorientation.h:
* gst/adder/gstadder.h:
More docs coverage and some ChangeLog surgery (add missing names)
2007-02-15 15:17:23 +00:00
Wim Taymans
fde9b0096c ext/ogg/gstoggdemux.*: Properly propagate streaming errors when we are scanning the file for chains so that we don't ...
Original commit message from CVS:
* ext/ogg/gstoggdemux.c: (gst_ogg_demux_submit_buffer),
(gst_ogg_demux_get_data), (gst_ogg_demux_get_next_page),
(gst_ogg_demux_get_prev_page), (gst_ogg_demux_do_seek),
(gst_ogg_demux_perform_seek),
(gst_ogg_demux_bisect_forward_serialno),
(gst_ogg_demux_read_chain), (gst_ogg_demux_read_end_chain),
(gst_ogg_demux_find_chains), (gst_ogg_demux_handle_page),
(gst_ogg_demux_chain), (gst_ogg_demux_combine_flows),
(gst_ogg_demux_loop_reverse), (gst_ogg_demux_loop):
* ext/ogg/gstoggdemux.h:
Properly propagate streaming errors when we are scanning the file for
chains so that we don't crash when shut down. Might fix some crashers
when quickly switching oggs in RB such as #332503 and #378436.
2007-01-27 13:32:24 +00:00
Wim Taymans
80d666f353 Added docs.
Original commit message from CVS:
* docs/plugins/Makefile.am:
* docs/plugins/gst-plugins-base-plugins-docs.sgml:
* docs/plugins/gst-plugins-base-plugins-sections.txt:
* ext/ogg/gstoggdemux.c: (gst_ogg_page_copy), (gst_ogg_page_free),
(gst_ogg_pad_query_types), (gst_ogg_pad_submit_page),
(gst_ogg_chain_reset), (gst_ogg_chain_new_stream),
(gst_ogg_demux_perform_seek):
* ext/ogg/gstoggdemux.h:
Added docs.
Add some more comments.
Small cleanups.
2007-01-09 12:30:46 +00:00