| Commit message (Collapse) | Author | Age | Files | Lines |
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Got dropped in the last commit fixing out of order timestamps
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Out of order timestamps is allowed by the spec.
Switch from out internal demuxer to ffmpeg's ssa demux. ffmpeg already
handles out of order timestamps.
Fixes https://github.com/HandBrake/HandBrake/issues/2906
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Currently using it for pgs, srt, and ssa subtitles.
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Newest versions appear to have a "common.h" somewhere that is
interfering with libhb/common.h.
move headers into "handbrake" subdirectory
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Rename hb.h to handbrake.h
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Fix some typos
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support for p-to-p with SSA import was completely omitted
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We were only applying SSA inline override tags. With this patch we now
parse SSA style descritions in the SSA header and apply them per event.
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ffmpeg delivers the SSA subtitles in the matroska packet format we
require, so no parsing is necessary now.
Fixes https://github.com/HandBrake/HandBrake/issues/1406
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* sync: correct timestamp discontinuities in sync instead of reader
This patch passes discontinuity information through the pipeline till it
reaches sync.c. The timestamps are passed through the pipeline as read
and unmodified to sync.c (instead of attempting to correct
discontinuities in reader). In sync, when we see a discontinuity,
we know where the next timestamp should be based on the timestamp
and duration of the previous buffer (before the discontinuity). So
we calculate an "SCR" offset based on the timestamp after the
discontinuity and what we calculate it should be.
The old discontinuity handling code was broken due to the following.
The MPEG STD timing model relies heavily on the decoder having an STC
that is phase lock looped to the PCRs in the stream. When decoding a
broadcast stream, the decoder can count on the time measure between PCRs
using the STC to match to a high degree of accuracy.
I.e. STC - lastSTC == PCR - lastPCR. When a discontinuity occurs, the
decoder calculates a new PCR offset = PCR - STC. I.e. the offset is the
new PCR value minus what it would have been if there had been no
discontinuity.
The above does not work without a reliable STC, which we do not have.
We have been attempting to approximate one by avereraging the duration
of received packets and extrapolating an "STC" based on the last PTS and
the average packet duration. But this is highly variable and
unreliable.
* decavcodec: fix data type of next_pts
It needs to be double so that partial ticks are not lost
* deccc608sub: clarify comment
* sync: allow queueing more audio
Audio is small, and there is often a significant amount of audio in the
stream before the first video frame.
* sync: improve handling of damaged streams
When data is missing, the audio decoder was extrapolating timestamps
from the last pts before the error caused by the missing data which
caused sync issues.
Also, missing data can cause the video decoder to output a frame out of
order with the wrong scr sequence. Drop such frames.
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This brings together several independent implementations of a simple
buffer list manager.
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... instead of a 0 length buffer.
This fixes this issue:
https://forum.handbrake.fr/viewtopic.php?f=12&t=31959
Theora can create 0 length output. These 0 length frames indicate
duplicate frames. So we can't use 0 length buffers to indicate the end
of the stream.
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@7143 b64f7644-9d1e-0410-96f1-a4d463321fa5
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git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6852 b64f7644-9d1e-0410-96f1-a4d463321fa5
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Add support for font color to tx3g.
Allow more than one style flag at time in tx3g.
Add positioning support to CC subs
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6163 b64f7644-9d1e-0410-96f1-a4d463321fa5
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git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6042 b64f7644-9d1e-0410-96f1-a4d463321fa5
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git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5864 b64f7644-9d1e-0410-96f1-a4d463321fa5
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git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5620 b64f7644-9d1e-0410-96f1-a4d463321fa5
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This is not safe and causes subtitle corruption.
Same fix as SVN revision 5346 for the remaining text-based subtitle deocders.
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5390 b64f7644-9d1e-0410-96f1-a4d463321fa5
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git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5318 b64f7644-9d1e-0410-96f1-a4d463321fa5
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git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@4737 b64f7644-9d1e-0410-96f1-a4d463321fa5
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This patch enhances the filter objects. The 2 key improvements are:
1. A filter can change the image dimensions as frames pass through it.
2. A filter can output more than one frame.
In addition, I have:
Moved cropping & scalling into a filter object
Added 90 degree rotation to the rotate filter
Moved subtitle burn-in rendering to a filter object.
Moved VFR/CFR handling into a framerate shaping filter object.
Removed render.c since all it's responsibilities got moved to filters.
Improves VOBSUB and SSA subtitle handling. Allows subtitle animations.
SSA karaoke support.
My apologies in advance if anything breaks ;)
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@4546 b64f7644-9d1e-0410-96f1-a4d463321fa5
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SSA subtitles have an empty layer field (bare ','). The
scanf format specifier "%*128[^,]" will not match on a
bare ','. There must be at least one non ',' character in
the match. So the format specifier is placed directly next
to the 'Dialogue:' string so that the next expected ' '
after the ':' will be the character it matches on when
there is no layer field.
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@4244 b64f7644-9d1e-0410-96f1-a4d463321fa5
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And consolidate logging code in hb_valog. hb_log and hb_deep_log
call hb_valog.
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@4060 b64f7644-9d1e-0410-96f1-a4d463321fa5
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yuv2rgb converted incorrectly. Cb and Cr were swapped in 2 of the 3 conversion
expressions.
rgb2yuv was setting the color channels in the incorrect order in the output.
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@3981 b64f7644-9d1e-0410-96f1-a4d463321fa5
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We were converting SSA to UTF8 subs which looses a lot of formatting.
Now we pass through the ssa unmodified and add all fonts as attachments
to the mkv.
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@3891 b64f7644-9d1e-0410-96f1-a4d463321fa5
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Makes it easier to read. Gets rid of some unnecessary variables.
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@3886 b64f7644-9d1e-0410-96f1-a4d463321fa5
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* New subtitle sync algorithm added to sync work-object ("simultaneous").
Classic algorithm preserved but disabled.
* Render work-object now supports queueing a /list/ of subtitles.
* FIFOs have been extended to support pushing/popping buffer-lists as single elements.
* Added SUBSYNC_VERBOSE_TIMING flag to debug timing issues related to subtitle display.
Observable behaviors changed in the new subtitle sync algorithm:
* Temporally overlapping subtitles are no longer trimmed to be non-overlapping.
* Subtitles less than two seconds long are no longer artificially extended. Sorry, Indochine fans.
* Subtitles that stop before they start will never be displayed. The old algorithm will display such subtitles if they begin in the future (relative to the current video frame being processed).
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@3804 b64f7644-9d1e-0410-96f1-a4d463321fa5
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git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@3685 b64f7644-9d1e-0410-96f1-a4d463321fa5
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git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@3558 b64f7644-9d1e-0410-96f1-a4d463321fa5
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Anime fans rejoice! This patch adds SSA subtitle burn-in support with libass.
Therefore SSA subtitles should now be rendered in full quality, with the
appropriate embedded fonts and positioning information.
Thanks to davidfstr
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@3557 b64f7644-9d1e-0410-96f1-a4d463321fa5
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Contributed by davidfstr.
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@3475 b64f7644-9d1e-0410-96f1-a4d463321fa5
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and a few compile time warnings about sign differences
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@3345 b64f7644-9d1e-0410-96f1-a4d463321fa5
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git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@3343 b64f7644-9d1e-0410-96f1-a4d463321fa5
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