Original commit message from CVS:
2005-09-15 Andy Wingo <wingo@pobox.com>
* gst/autodetect/gstautoaudiosink.c (gst_auto_audio_sink_find_best):
* gst/autodetect/gstautovideosink.c
(gst_auto_video_sink_find_best): Update for new registry API.
Original commit message from CVS:
* common/c-to-xml.py:
* common/gtk-doc-plugins.mak:
a simple py script to generate valid xml from a C example
probably also need to strip an MIT license when we decide
* docs/plugins/Makefile.am:
* gst/level/Makefile.am:
* gst/level/gstlevel.c: (gst_level_init):
* gst/level/level-example.c: (message_handler), (main):
add an example to level that will show up in the docs
* gst/rtp/TODO:
add a note for the future
Original commit message from CVS:
* gst/wavenc/gstwavenc.c: (gst_wavenc_class_init):
Actually define the debug object being used in wavenc. Fixes#316205
Original commit message from CVS:
Link smpte plugin against GST_BASE_LIBS, to get libgstbase; needed to
build on win32 as this plugin uses collectpads (bug 316204)
Original commit message from CVS:
* gst-plugins-good.spec.in:
spec file fixes
* gst/udp/gstmultiudpsink.c: (gst_multiudpsink_class_init),
(gst_multiudpsink_render), (gst_multiudpsink_add),
(gst_multiudpsink_clear):
it actually helps to actually stream if we hook up the
add signal to an actual implementation
* gst/udp/gstudpsrc.c: (gst_udpsrc_start):
some debugging
Original commit message from CVS:
Andrewio Patrickoforus Wingonymus - 5 additional tests for your sins
Add a regression test for level and fix a casting bug that made the additional
channels turn out wrong
Original commit message from CVS:
2005-08-28 Andy Wingo <wingo@pobox.com>
* Updates for two-arg init from GST_BOILERPLATE.
* ext/ladspa/gstsignalprocessor.c (gst_signal_processor_init): Use
the second arg for the class, because G_OBJECT_GET_CLASS (self)
returns the wrong thing.
(gst_signal_processor_add_pad_from_template): Make pads of the
right type.
* ext/ladspa/gstladspa.c (gst_ladspa_class_get_param_spec): Make
writable param specs G_PARAM_CONSTRUCT so default values work.
(gst_ladspa_init): Use the second arg for the class.
Original commit message from CVS:
* gst/rtp/gstrtph263penc.c: (gst_rtph263penc_class_init),
(gst_rtph263penc_flush), (gst_rtph263penc_chain),
(gst_rtph263penc_set_property), (gst_rtph263penc_get_property):
* gst/rtp/gstrtph263penc.h:
Added configurable pt and ssrc, to be merged in the caps or
a base class...
Original commit message from CVS:
* gst/rtp/gstrtph263pdec.c: (gst_rtph263pdec_init),
(gst_rtph263pdec_chain):
* gst/rtp/gstrtph263penc.c: (gst_rtph263penc_class_init),
(gst_rtph263penc_flush), (gst_rtph263penc_chain):
Some cleanups in the h263p (de)payloaders.
Original commit message from CVS:
* ext/amrnb/amrnbdec.c:
* ext/amrnb/amrnbenc.c: (gst_amrnbenc_setcaps):
* ext/amrnb/amrnbparse.c:
Update caps with audio/AMR.
* gst/rtp/gstrtpamrdec.c: (gst_rtpamrdec_init),
(gst_rtpamrdec_sink_setcaps), (gst_rtpamrdec_chain),
(gst_rtpamrdec_change_state):
* gst/rtp/gstrtpamrdec.h:
* gst/rtp/gstrtpamrenc.c: (gst_rtpamrenc_class_init),
(gst_rtpamrenc_init), (gst_rtpamrenc_chain):
Dont set FT headers twice, it was already in the encoded
bitstream.
* gst/rtsp/gstrtspsrc.c: (gst_rtspsrc_send), (gst_rtspsrc_open),
(gst_rtspsrc_close), (gst_rtspsrc_play):
* gst/rtsp/rtspconnection.c: (parse_line):
Cleanups
* gst/udp/gstudpsrc.c: (gst_udpsrc_class_init),
(gst_udpsrc_create), (gst_udpsrc_set_property),
(gst_udpsrc_get_property):
* gst/udp/gstudpsrc.h:
Added caps property, we need this soon to type the buffers.
Original commit message from CVS:
* gst/rtp/gstrtpamrdec.c: (gst_rtpamrdec_init),
(gst_rtpamrdec_chain):
Fix up amr depayloader a bit.
* gst/rtsp/gstrtspsrc.c: (gst_rtspsrc_send), (gst_rtspsrc_open),
(gst_rtspsrc_close), (gst_rtspsrc_play):
Look for options result in Public and Allow header fields..
spec says Allow but some servers return Public...
Original commit message from CVS:
* gst/rtp/gstrtpamrenc.c: (gst_rtpamrenc_class_init),
(gst_rtpamrenc_init), (gst_rtpamrenc_chain),
(gst_rtpamrenc_set_property), (gst_rtpamrenc_get_property):
* gst/rtp/gstrtpamrenc.h:
Added payload_type and ssrc properties to the payloader.
* gst/rtsp/gstrtspsrc.c: (gst_rtspsrc_send), (gst_rtspsrc_open),
(gst_rtspsrc_close), (gst_rtspsrc_play):
Options need to be stripped and are in the Public header field.
* gst/rtsp/rtspurl.c: (rtsp_url_parse):
Fix url / parsing...
Original commit message from CVS:
* gst/rtsp/gstrtspsrc.c: (gst_rtspsrc_send), (gst_rtspsrc_open),
(gst_rtspsrc_close), (gst_rtspsrc_play), (gst_rtspsrc_pause),
(gst_rtspsrc_change_state):
* gst/rtsp/gstrtspsrc.h:
* gst/rtsp/rtspdefs.c: (rtsp_method_as_text), (rtsp_find_method):
* gst/rtsp/rtspdefs.h:
* gst/rtsp/rtsptransport.c: (rtsp_transport_parse):
Handle RTSP defaults better.
Issue OPTIONS request to figure out what we are allowed to do.
Make the methods a bitfield so we can easily collect supported
options.
Fix rtsp_find_method.
Do proper RTSP connection shutdown.
Original commit message from CVS:
* gst/avi/gstavidemux.c: (gst_avi_demux_parse_stream),
(gst_avi_demux_stream_header):
* gst/qtdemux/qtdemux.c: (gst_qtdemux_change_state),
(gst_qtdemux_add_stream), (qtdemux_parse_tree):
Uncomment metadata and codec-name handling.
Original commit message from CVS:
* ext/mad/Makefile.am:
* gst/avi/Makefile.am:
* gst/effectv/Makefile.am:
* gst/udp/Makefile.am:
* gst/wavparse/Makefile.am:
Use -lgstfoo-@GST_MAJORMINOR@ instead of -lgstfoo-0.9
Original commit message from CVS:
* gst/wavparse/gstwavparse.c: (gst_wavparse_stream_headers),
(gst_wavparse_stream_data):
Add some fixes from 0.8 branch: allow 24/32bps songs and
blockalign samples to the header-specified size, if any
(#311070); error out on channels==0 or bitrate==0
(#309043, #304588).
Original commit message from CVS:
* ext/faad/gstfaad.c: (gst_faad_class_init), (gst_faad_setcaps):
Add debug category, remove Close() call that made it crash
whenever reusing, renegotiating or anything; Close() actually
free()s the handle and should only be called on READY->NULL.
* gst/qtdemux/qtdemux.c: (gst_qtdemux_loop_header):
Actually set caps on buffer (in addition to pad), also.
Original commit message from CVS:
* gst/avi/gstavidemux.c: (gst_avi_demux_stream_header):
Fix AVI header parsing: add missing break statement after
GST_RIFF_INFO_LIST parsing code; gst_riff_read_chunk() has
already advanced the avi->offset, no need to do it twice
(fixes MovieOfMovies.avi).
Original commit message from CVS:
* gst/avi/gstavidemux.c: (gst_avi_demux_handle_src_event),
(gst_avi_demux_handle_seek):
Fix seeking (or, well, fix threading issue where a variable was
set before a lock was taken and was already unset before that
same lock was taken and was thus no longer in existance when it
actually had to be used).
Original commit message from CVS:
* gst/avi/gstavidemux.c: (gst_avi_demux_process_next_entry):
Mixing binary and logical operators is not going to work; fix
position-querying in Totem.
Original commit message from CVS:
2005-08-04 Andy Wingo <wingo@pobox.com>
* sys/oss/gstossaudio.c (plugin_init): Second-class citizen.
* gst/videobox/gstvideobox.c (gst_video_box_get_size): Update for
API changes.
* configure.ac (DEFAULT_AUDIOSINK, DEFAULT_VIDEOSINK): Set to
autoaudiosink and autovideosink.
Original commit message from CVS:
* gst/avi/gstavidemux.c: (gst_avi_demux_reset),
(gst_avi_demux_parse_stream), (gst_avi_demux_process_next_entry):
You need to allocatate (len+1) characters to store a len size string.
Also don't stop the processing task if the output pad is not linked.
Original commit message from CVS:
* configure.ac:
* gst/wavparse/gstwavparse.c:
* gst/wavparse/gstwavparse.h:
* gst/wavparse/Makefile.am:
Ported wavparse to 0.9 . Playing, seeking and state changes work.
Could need more loving on the headers though.
Original commit message from CVS:
2005-07-16 Philippe Khalaf <burger@speedy.org>
* gst/fdsrc/gstfdsrc.c:
* gst/fdsrc/gstfdsrc.h:
* gst/fdsrc/Makefile.am:
Moved fdsrc 0.9 port from gstreamer/gst/elements to here.
Original commit message from CVS:
* gst/level/gstlevel.c: (gst_level_transform):
* gst/videobox/gstvideobox.c: (gst_video_box_class_init),
(gst_video_box_get_size), (gst_video_box_transform):
Port to new base class.
Original commit message from CVS:
2005-07-08 Andy Wingo <wingo@pobox.com>
* gst/avi/Makefile.am (libgstavi_la_CFLAGS): No gettext hacks, the
defines come from config.h.
* autogen.sh: Run autopoint, etc.
* Makefile.am (DIST_SUBDIRS, SUBDIRS): Go into po/.
* configure.ac: Add gettext stuff.
Original commit message from CVS:
* gst/videobox/gstvideobox.c: (gst_video_box_init),
(gst_video_box_transform_caps), (gst_video_box_set_caps):
Logic was reversed. Needs some more fixes in the transform
function to include AYUV output.
Moved AYUV as prefered format.
Original commit message from CVS:
* gst/base/gstbasesrc.c: (gst_base_src_get_range),
(gst_base_src_default_negotiate), (gst_base_src_negotiate):
Allow subclasses to implement their own negotiation.
Original commit message from CVS:
2005-07-05 Andy Wingo <wingo@pobox.com>
* gst/videobox/gstvideobox.c: Clean up, port to 0.9, use
BaseTransform.
* gst/videobox/Makefile.am: Link to base libs, include
plugins-base cflags, dist the README.
* configure.ac (GST_PLUGIN_ALL, AC_CONFIG_FILES): Add videobox to
the build.
Original commit message from CVS:
2005-07-04 Andy Wingo <wingo@pobox.com>
* examples/level/:
* examples/level/Makefile.am:
* examples/level/README:
* examples/level/demo.c:
* examples/level/plot.c: Examples moved out of the source dir. Not
updated tho.
* configure.ac: Add level to the build.
* gst/level/Makefile.am:
* gst/level/gstlevel.h:
* gst/level/gstlevel.c: Cleaned up, ported to 0.9.
Original commit message from CVS:
* gst/udp/Makefile.am:
* gst/udp/gstudp.c:
* gst/udp/gstdynudpsink.c: (new)
* gst/udp/gstdynudpsink.h: (new)
Added new element (udpdynsink) that receives GstNetBuffers and sends the
udp packets to the source given in the buffer. It's used by rtpsession
element for now.
* gst/udp/gstudpsrc.c:
Fixed memory leak.
Original commit message from CVS:
2005-07-01 Jan Schmidt <thaytan@mad.scientist.com>
* ext/libcaca/Makefile.am:
* ext/mad/Makefile.am:
* gst/effectv/Makefile.am:
* gst/udp/Makefile.am:
Replace GST_PLUGINS_LIBS_* with GST_PLUGINS_BASE_*
* ext/mad/gstid3tag.c: (gst_id3_tag_src_query),
(gst_id3_tag_src_event), (gst_id3_tag_sink_event),
(gst_id3_tag_chain), (plugin_init):
* ext/mad/gstmad.c: (gst_mad_src_query), (gst_mad_chain):
Signedness warning fix, use gst_pad_get_peer instead of GST_PAD_PEER
in querying and event handling, because we're not holding the pad
lock and the peer may disappear.
* gst/avi/gstavidemux.c: (gst_avi_demux_parse_subindex),
(gst_avi_demux_parse_index), (gst_avi_demux_massage_index):
Signedness warning fixes.
* gst/videofilter/gstvideotemplate.c: (plugin_init):
Remove gst_library_load
Original commit message from CVS:
* gst/avi/Makefile.am: (libgstavi_la_LIBADD):
Added linking to libgstriff-0.9
* ext/mad/gstmad.c: (gst_mad_src_query):
check the format of the upstream query and return query if it's the
same format as the requested one.
Original commit message from CVS:
* gst/rtsp/gstrtspsrc.c: (gst_rtsp_proto_get_type),
(gst_rtspsrc_class_init), (gst_rtspsrc_create_stream),
(gst_rtspsrc_add_element), (gst_rtspsrc_set_state),
(gst_rtspsrc_stream_setup_rtp),
(gst_rtspsrc_stream_configure_transport), (find_stream),
(gst_rtspsrc_loop), (gst_rtspsrc_open), (gst_rtspsrc_play),
(gst_rtspsrc_change_state):
Fix case where outpad could not be decided.
Original commit message from CVS:
* ext/mad/gstmad.c: (gst_mad_chain), (gst_mad_change_state):
* ext/sidplay/gstsiddec.cc:
* gst/alpha/gstalpha.c: (gst_alpha_chain):
* gst/goom/gstgoom.c: (gst_goom_chain):
No need to take the lock anymore, core already did
that before calling us.
Original commit message from CVS:
* Makefile.am:
* ext/Makefile.am:
* sys/Makefile.am:
Make my automake version shut up about undefined variables
* gst/goom/gstgoom.c:
GstAdapter moved to base objects.
Original commit message from CVS:
* configure.ac:
* gst/alpha/Makefile.am:
* gst/alpha/gstalpha.c: (gst_alpha_class_init), (gst_alpha_init),
(gst_alpha_sink_setcaps), (gst_alpha_chain):
Ported alpha, remove alphacolor as functionality is in
ffmpegcolorspace.
Original commit message from CVS:
Move core plugins out of core. I don't mind fdsrc/fdsink
going back into the core; they were just disabled there, so
I moved them. Some of this stuff could (should) be deleted.
* gst/oldcore/Makefile.am:
* gst/oldcore/gstaggregator.c:
* gst/oldcore/gstaggregator.h:
* gst/oldcore/gstelements.c:
* gst/oldcore/gstfdsink.c:
* gst/oldcore/gstfdsink.h:
* gst/oldcore/gstfdsrc.c:
* gst/oldcore/gstfdsrc.h:
* gst/oldcore/gstmd5sink.c:
* gst/oldcore/gstmd5sink.h:
* gst/oldcore/gstmultifilesrc.c:
* gst/oldcore/gstmultifilesrc.h:
* gst/oldcore/gstpipefilter.c:
* gst/oldcore/gstpipefilter.h:
* gst/oldcore/gstshaper.c:
* gst/oldcore/gstshaper.h:
* gst/oldcore/gststatistics.c:
* gst/oldcore/gststatistics.h:
Original commit message from CVS:
Fixed a few things to enable the mad and effectv to be able to find the headers in the gst-plugins-base/gst-libs and to link against the libs in there.
Original commit message from CVS:
* gst-libs/gst/riff/riff-media.c:
(gst_riff_create_audio_caps_with_data):
Do actually fix invalid RIFF fmt header values for alaw
and mulaw audio instead of just saying so.
* gst/wavparse/gstwavparse.c: (gst_wavparse_fmt):
Give gst_riff_create_audio_caps_with_data() a chance to
fix up broken format header fields before extracting any
parameters from the header. (fixes#167633)
Original commit message from CVS:
* gst/avi/gstavidemux.c: (gst_avi_demux_invert):
Declare variables at beginning of block and make gcc-2.95 happy
(fixes # 167482, patch by Gergely Nagy).
* gst/tcp/gsttcpclientsrc.c:
* gst/tcp/gsttcpclientsrc.h:
Move some includes into the header, so that struct sockaddr_in is
defined when it should be defined on FreeBSD as well (fixes
#167483).
* gst/tcp/gsttcpserversrc.c: (gst_tcpserversrc_init_receive):
Don't pass uninitialised values to setsockopt() here either.
Original commit message from CVS:
* ext/mpeg2dec/gstmpeg2dec.c:
Don't send things to NULL PAD_PEERs
* gst/deinterlace/gstdeinterlace.c: (gst_deinterlace_chain):
Copy-on-write the incoming buffer.
* gst/mpegstream/gstdvddemux.h:
* gst/mpegstream/gstmpegclock.h:
* gst/mpegstream/gstmpegdemux.c: (gst_mpeg_demux_parse_syshead),
(normal_seek), (gst_mpeg_demux_handle_src_event):
* gst/mpegstream/gstmpegdemux.h:
* gst/mpegstream/gstmpegpacketize.h:
* gst/mpegstream/gstmpegparse.c:
(gst_mpeg_parse_update_streaminfo), (gst_mpeg_parse_reset),
(gst_mpeg_parse_handle_discont), (gst_mpeg_parse_parse_packhead),
(gst_mpeg_parse_loop), (gst_mpeg_parse_get_rate),
(gst_mpeg_parse_convert_src), (gst_mpeg_parse_handle_src_query),
(gst_mpeg_parse_handle_src_event), (gst_mpeg_parse_change_state):
* gst/mpegstream/gstmpegparse.h:
* gst/mpegstream/gstrfc2250enc.h:
Various changes to the way time is computed that make seeking and
total time estimation much better here.
Use G_BEGIN/END_DECLS instead of __cplusplus
* gst/videocrop/gstvideocrop.c: (gst_video_crop_chain):
Use gst_buffer_stamp instead of only copying the TIMESTAMP
Original commit message from CVS:
Reviewed by: Ronald S. Bultje <rbultje@ronald.bitfreak.net>
* gst/qtdemux/qtdemux.c: (gst_qtdemux_change_state),
(gst_qtdemux_loop_header):
Re-apply patch from #142272 that allows non-seekable sources,
re-proposed by Daniel Drake <dsd@gentoo.org>.
Original commit message from CVS:
* gst/matroska/matroska-demux.c:
(gst_matroska_demux_parse_blockgroup):
Fix logic error in timing of subtitle stream synchronization.
* gst/typefind/gsttypefindfunctions.c: (qt_type_find):
Add skip-chunk, which is found in kodak-camera streams.
Original commit message from CVS:
Reviewed by: Ronald S. Bultje <rbultje@ronald.bitfreak.net>
* ext/mad/gstmad.c: (gst_mad_src_event):
* gst/avi/gstavidemux.c: (gst_avi_demux_handle_src_event):
Allow seeks on audio pad, make mad forward those (#164826).
* gst/audioscale/gstaudioscale.c: (gst_audioscale_chain):
Set duration (#165335).
Original commit message from CVS:
* ext/a52dec/gsta52dec.c: (gst_a52dec_push),
(gst_a52dec_handle_event), (gst_a52dec_chain):
Add some debug output. Check that a discont has a valid
time associated.
* ext/alsa/gstalsasink.c: (gst_alsa_sink_check_event),
(gst_alsa_sink_loop):
Ignore TAG events. A little extra debug for broken timestamps.
* ext/dvdnav/dvdnavsrc.c: (dvdnavsrc_init), (dvdnavsrc_loop),
(dvdnavsrc_change_state):
Ensure we send a discont to engage the link before we send any
other events.
* ext/dvdread/dvdreadsrc.c: (dvdreadsrc_init),
(dvdreadsrc_finalize), (_close), (_open), (_seek_title),
(_seek_chapter), (seek_sector), (dvdreadsrc_get),
(dvdreadsrc_uri_get_uri), (dvdreadsrc_uri_set_uri):
Handle URI of the form dvd://title[,chapter[,angle]]. Currently only
dvd://title works in totem because typefinding sends a seek that ends
up going back to chapter 1 regardless.
* ext/mpeg2dec/gstmpeg2dec.c:
* ext/mpeg2dec/gstmpeg2dec.h:
Output correct timestamps and handle disconts.
* ext/ogg/gstoggdemux.c: (get_relative):
Small guard against a null dereference.
* ext/pango/gsttextoverlay.c: (gst_textoverlay_finalize),
(gst_textoverlay_set_property):
Free memory when done. Don't call gst_event_filler_get_duration on
EOS events. Use GST_LOG and GST_WARNING instead of g_message and
g_warning.
* ext/smoothwave/gstsmoothwave.c: (gst_smoothwave_init),
(draw_line), (gst_smoothwave_dispose), (gst_sw_sinklink),
(gst_sw_srclink), (gst_smoothwave_chain):
Draw solid lines, prettier colours.
* gst/mpeg2sub/gstmpeg2subt.c: (gst_mpeg2subt_init):
Add a default palette that'll work for some movies.
* gst/mpegstream/gstdvddemux.c: (gst_dvd_demux_init),
(gst_dvd_demux_handle_dvd_event), (gst_dvd_demux_send_discont),
(gst_dvd_demux_send_subbuffer), (gst_dvd_demux_reset):
* gst/mpegstream/gstdvddemux.h:
* gst/mpegstream/gstmpegdemux.c: (gst_mpeg_demux_send_discont),
(gst_mpeg_demux_parse_syshead), (gst_mpeg_demux_parse_pes):
* gst/mpegstream/gstmpegparse.c: (gst_mpeg_parse_init),
(gst_mpeg_parse_handle_discont), (gst_mpeg_parse_parse_packhead):
* gst/mpegstream/gstmpegparse.h:
Use PTM/NAV events when for timestamp adjustment when connected to
dvdnavsrc. Don't use many discont events where one suffices.
* gst/playback/gstplaybasebin.c: (group_destroy),
(gen_preroll_element), (gst_play_base_bin_add_element):
* gst/playback/gstplaybasebin.h:
Make sure we remove subtitles from the same bin we put them in.
* gst/subparse/gstsubparse.c: (convert_encoding), (parse_subrip),
(gst_subparse_buffer_format_autodetect),
(gst_subparse_change_state):
Fix some memleaks and invalid accesses.
* gst/typefind/gsttypefindfunctions.c: (ogganx_type_find),
(oggskel_type_find), (cmml_type_find), (plugin_init):
Some typefind functions for Annodex v3.0 files
* gst/wavparse/gstwavparse.h:
GstRiffReadClass is the correct parent class.
Original commit message from CVS:
* gst/matroska/ebml-read.c: (gst_ebml_read_buffer):
Allow for 0-sized buffers. Fixes length query problems in
starwars.mkv from the testsuite.
Original commit message from CVS:
* ext/mad/gstmad.c: (gst_mad_check_caps_reset), (gst_mad_chain):
Fail if caps negotiation fails. Should fix#162184, and should
definately be in there regardless of it fixing the actual bug.
* gst/avi/gstavimux.c: (gst_avimux_get_type), (gst_avimux_init),
(gst_avimux_write_tag), (gst_avimux_riff_get_avi_header),
(gst_avimux_riff_get_avix_header),
(gst_avimux_riff_get_video_header),
(gst_avimux_riff_get_audio_header), (gst_avimux_write_index),
(gst_avimux_start_file), (gst_avimux_handle_event),
(gst_avimux_change_state):
* gst/avi/gstavimux.h:
Refactor structure writing to use GST_WRITE_UINT macros, add
metadata writing support.
Original commit message from CVS:
* gst/qtdemux/qtdemux.c: (gst_qtdemux_change_state),
(gst_qtdemux_loop_header), (gst_qtdemux_handle_esds):
More memory leak fixes (#149162).
Original commit message from CVS:
* gst-libs/gst/riff/riff-read.c: (gst_riff_read_use_event):
Don't bail on unknown events.
* gst/audioscale/gstaudioscale.c: (gst_audioscale_chain):
Don't crash on events before negotiation.
* gst/avi/gstavidemux.c: (gst_avi_demux_add_stream):
Send tags on pads, too.
* gst/playback/gststreamselector.c:
(gst_stream_selector_request_new_pad):
Forward events on first pad if no input was selected yet.
Original commit message from CVS:
* ext/alsa/gstalsa.c: (gst_alsa_change_state):
Reset variables on READY.
* gst/matroska/matroska-mux.c: (gst_matroska_mux_request_new_pad),
(gst_matroska_mux_loop):
Require data before writing header.
