| Commit message (Collapse) | Author | Age |
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These are not pure avio-functions, but auxiliary AVFormatContext
functions.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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And move those stuff already in demuxer-only files to it.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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This is the appropriate place given that AVStream is about to
become an AVOpt-enabled struct.
Also move av_disposition_(to|from)_string, as these are tied
to the disposition stream option.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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write_packet() has code to shift the packets timestamps
to make them nonnegative or even make them start at ts zero;
this code inspects every packet that is written and if a packet
with negative timestamp (whether this is dts or pts depends upon
another flag; basically: Matroska uses pts, everyone else dts)
is encountered, this is offset to make the timestamp zero.
All further packets will be offset accordingly (with the offset
converted according to the streams' timebases).
This is based around an assumption, namely that the timestamps
are indeed non-decreasing, so that the first packet with negative
timestamps is the first packet with timestamps. This assumption
is often fulfilled given that the default interleavement function
by default interleaves per dts; yet there are scenarios in which
it may not be fulfilled:
a) av_write_frame() instead of av_interleaved_write_frame() is used.
b) The audio_preload option is used.
c) When the timestamps that are made nonnegative/zero are pts
(i.e. with Matroska), because the packet with the smallest dts
is not necessarily the packet with the smallest pts.
d) Possibly with custom interleavement functions.
In these cases the relative sync of the first few packet(s) is offset
relative to the later packets. This contradicts the documentation
("When shifting is enabled, all output timestamps are shifted by
the same amount").
Therefore this commit changes this: As soon as the first packet
with valid timestamps is output, it is checked and recorded whether
the timestamps need to be shifted. Further packets are no longer
checked for needing to be offset; instead they are simply offset.
In the cases above this leads to packets with negative timestamps
(and the appropriate warnings) instead of desync. This will mostly
be fixed in the next commit.
This commit also factors handling the avoid_negative_ts stuff out
of write_packet() in order to be able to return immediately.
Tickets #4536 and #5784 as well as the matroska-avoid-negative-ts-test
are examples of c); as has been said, some timestamps are now negative,
yet the ref file update does not show it because ffmpeg.c sanitizes
the timestamps (-copyts disables it; ffprobe and mkvinfo also show
the original timestamps).
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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Otherwise there is no way to detect an error returned by avio_close() because
ff_format_io_close cannot get the return value.
Checking the return value of the close function is important in order to check
if all data was successfully written and the underlying close() operation was
successful.
It can also be useful even for read mode because it can return any pending
AVIOContext error, so the user don't have to manually check AVIOContext->error.
In order to still support if the user overrides io_close, the generic code only
uses io_close2 if io_close is either NULL or the default io_close callback.
Signed-off-by: Marton Balint <cus@passwd.hu>
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probesize
Previously this was hardcoded to 2500000 bytes, so probing of the stream codecs
was always limited by this, and not probesize.
Also keep track of the actual size of packets in raw_packet_buffer and not the
remaining size for simplicity.
Fixes ticket #5860.
Signed-off-by: Marton Balint <cus@passwd.hu>
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Do this by allocating AVFormatContext together with the data that is
currently in AVFormatInternal; or rather: Put AVFormatContext at the
beginning of a new structure called FFFormatContext (which encompasses
more than just the internal fields and is a proper context in its own
right, hence the name) and remove AVFormatInternal altogether.
The biggest simplifications occured in avformat_alloc_context(), where
one can now simply call avformat_free_context() in case of errors.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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Signed-off-by: James Almer <jamrial@gmail.com>
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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
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Signed-off-by: James Almer <jamrial@gmail.com>
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Signed-off-by: James Almer <jamrial@gmail.com>
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Signed-off-by: James Almer <jamrial@gmail.com>
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avformat_alloc_context()
avformat_free_context() expects AVFormatContext->internal to not be NULL.
Reviewed-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
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Signed-off-by: Marton Balint <cus@passwd.hu>
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The loglevel is choosen so that the main filename and any images of
multi image sequences are shown only at debug level to avoid
clutter.
This makes exploits in playlists more visible. As they would show
accesses to private/sensitive files
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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This will allow fixing several bugs with the -shortest option
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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This also deprecates our old duplicated callbacks.
* commit '9f61abc8111c7c43f49ca012e957a108b9cc7610':
lavf: allow custom IO for all files
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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Some (de)muxers open additional files beyond the main IO context.
Currently, they call avio_open() directly, which prevents the caller
from using custom IO for such streams.
This commit adds callbacks to AVFormatContext that default to
avio_open2()/avio_close(), but can be overridden by the caller. All
muxers and demuxers using AVIO are switched to using those callbacks
instead of calling avio_open()/avio_close() directly.
(de)muxers that use the URLProtocol layer directly instead of AVIO
remain unconverted for now. This should be fixed in later commits.
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* commit 'f046c3b5ac36848cce824b008e0347c621523041':
lavc: Move deprecation warning disabling to files including the table
lavc: Disable deprectation warnings coming from options table
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Unbreak build from 7a5902c556d84a367dd64a003a4e7244fc3a73d1.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
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This currently works for most users because
avformat_open_input sets it, but this patch fixes any
applications not using that function.
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
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* commit 'c86d8aed748adc3ba8df96fb1fe14aa45da77a31':
avio: Rename avclass symbols relating to avio
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Don't prefix them ffio_url, which is misleading, sounding too
much like the urlprotocol layer (like ffurl_*).
Signed-off-by: Martin Storsjö <martin@martin.st>
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* commit '9deaec782810d098bca11c9332fab2d2f4c5fb78':
lavf: move internal fields from public to internal context
Conflicts:
libavformat/avformat.h
libavformat/internal.h
libavformat/mux.c
libavformat/utils.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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This is not an API change; the fields were explicitly declared private
before.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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* commit '9257692ac15eff7b07540c1f61cebde0d8823fbd':
lavf: Only initialize s->offset once when using avoid_negative_ts make_zero
Conflicts:
libavformat/mux.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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When given a stream starting at dts=0, it would previously consider
s->offset as uninitialized and set an offset when the second packet
was written, ending up writing two packets with dts=0. By initializing
this field to AV_NOPTS_VALUE, we make sure that we only initialize it
once, on the first packet.
Signed-off-by: Martin Storsjö <martin@martin.st>
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* commit '33c859c142ef3f49b7a6227014ad92a680cf4d74':
lavf: ignore attachment streams for interleaving purposes
Conflicts:
libavformat/avformat.h
libavformat/internal.h
libavformat/mux.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Those streams should never get any packets by definition.
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* commit 'b5a138652ff8a5b987d3e1191e67fd9f6575527e':
Give less generic names to global library option arrays
Conflicts:
libavcodec/options_table.h
libavfilter/avfilter.c
libavformat/options_table.h
libswscale/options.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Bradshaw <mbradshaw@sorensonmedia.com>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Bradshaw <mbradshaw@sorensonmedia.com>
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Please help setting the category for all remaining AVClasses
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* qatar/master: (27 commits)
avconv: free packet in write_frame() when discarding due to frame number limit
FATE: use +/- flag option syntax for vp8 emu-edge tests
lavf: make av_interleave_packet_per_dts() private.
lavf: deprecate av_read_packet().
oggdec: output correct timestamps for Vorbis
avconv: pass input stream timestamps to audio encoders
lavc: shrink encoded audio packet size after encoding.
xa: set correct bit rate
xa: do not set bit_rate, block_align, or bits_per_coded_sample
xa: fix end-of-file handling
xa: fix timestamp calculation
bink: fix typo in FFALIGN() argument
bink: align plane width to 8 when calculating bundle sizes
doc: pass -Idoc texi2html and texi2pod
doc: texi2pod: add -I flag
movenc: Add a min_frag_duration option
rtsp: Set the default delay to 0.1 s for the RTSP/SDP/RTP demuxers
libavformat: Set the default for the max_delay option to -1
Generate manpages for AV{Format,Codec}Context AVOptions.
doc/avconv: remove entries for AVOptions.
...
Conflicts:
doc/Makefile
doc/ffmpeg.texi
doc/muxers.texi
ffmpeg.c
libavcodec/Makefile
libavcodec/options.c
libavcodec/vp8.c
libavformat/options.c
tests/fate/demux.mak
tests/ref/fate/truemotion1-15
tests/ref/fate/truemotion1-24
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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This will allow us to automatically generate manpages for them.
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* qatar/master: (71 commits)
movenc: Allow writing to a non-seekable output if using empty moov
movenc: Support adding isml (smooth streaming live) metadata
libavcodec: Don't crash in avcodec_encode_audio if time_base isn't set
sunrast: Document the different Sun Raster file format types.
sunrast: Add a check for experimental type.
libspeexenc: use AVSampleFormat instead of deprecated/removed SampleFormat
lavf: remove disabled FF_API_SET_PTS_INFO cruft
lavf: remove disabled FF_API_OLD_INTERRUPT_CB cruft
lavf: remove disabled FF_API_REORDER_PRIVATE cruft
lavf: remove disabled FF_API_SEEK_PUBLIC cruft
lavf: remove disabled FF_API_STREAM_COPY cruft
lavf: remove disabled FF_API_PRELOAD cruft
lavf: remove disabled FF_API_NEW_STREAM cruft
lavf: remove disabled FF_API_RTSP_URL_OPTIONS cruft
lavf: remove disabled FF_API_MUXRATE cruft
lavf: remove disabled FF_API_FILESIZE cruft
lavf: remove disabled FF_API_TIMESTAMP cruft
lavf: remove disabled FF_API_LOOP_OUTPUT cruft
lavf: remove disabled FF_API_LOOP_INPUT cruft
lavf: remove disabled FF_API_AVSTREAM_QUALITY cruft
...
Conflicts:
doc/APIchanges
libavcodec/8bps.c
libavcodec/avcodec.h
libavcodec/libx264.c
libavcodec/mjpegbdec.c
libavcodec/options.c
libavcodec/sunrast.c
libavcodec/utils.c
libavcodec/version.h
libavcodec/x86/h264_deblock.asm
libavdevice/libdc1394.c
libavdevice/v4l2.c
libavformat/avformat.h
libavformat/avio.c
libavformat/avio.h
libavformat/aviobuf.c
libavformat/dv.c
libavformat/mov.c
libavformat/utils.c
libavformat/version.h
libavformat/wtv.c
libavutil/Makefile
libavutil/file.c
libswscale/x86/input.asm
libswscale/x86/swscale_mmx.c
libswscale/x86/swscale_template.c
tests/ref/lavf/ffm
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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The old constants are more useful to the end user and have
orthogonal meanings to the new ones.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* qatar/master:
rtpdec: Use our own SSRC in the SDES field when sending RRs
Finalize changelog for 0.8 Release
Prepare for 0.8 Release
threads: change the default for threads back to 1
threads: update slice_count and slice_offset from user context
aviocat: Remove useless includes
doc/APIChanges: fill in missing dates and hashes
Revert "avserver: fix build after the next bump."
mpegaudiodec: switch error detection check to AV_EF_BUFFER
lavf: rename fer option and document resulting (f_)err_detect options
lavc: rename err_filter option to err_detect and document it
mpegvideo: fix invalid memory access for small video dimensions
movenc: Reorder entries in the MOVIentry struct, for tigheter packing
rtsp: Remove extern declarations for variables that don't exist
aviocat: Flush the output before closing
Conflicts:
Changelog
RELEASE
libavcodec/mpegaudiodec.c
libavcodec/pthread.c
libavformat/options.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Anton Khirnov <anton@khirnov.net>
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This is similar to MP4Boxs -inter
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* qatar/master:
binkvideo: simplify and remove invalid shifts
pulse: compute frame_duration once and fix it
lavf: simplify format_child_class_next()
hwaccel: OS X Video Decoder Acceleration (VDA) support.
doc: add support for an optional navigation bar in texi2html pages
Conflicts:
configure
libavcodec/Makefile
libavcodec/allcodecs.c
libavcodec/vda.c
libavcodec/vda.h
libavcodec/vda_h264.c
libavcodec/vda_internal.h
libavcodec/version.h
libavformat/options.c
libavutil/avutil.h
libavutil/pixfmt.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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