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sample_count will be used for per-stream current_edit_unit.
Signed-off-by: Marton Balint <cus@passwd.hu>
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mxf_edit_unit_absolute_offset and mxf_absolute_bodysid_offset
Signed-off-by: Marton Balint <cus@passwd.hu>
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No change in functionality.
Signed-off-by: Marton Balint <cus@passwd.hu>
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Signed-off-by: Marton Balint <cus@passwd.hu>
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partition essence offset
Also add the canopus essence element to the list of the recognized essence
element keys.
Signed-off-by: Marton Balint <cus@passwd.hu>
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mxf_compute_essence_containers
Also compute the correct essence_offset and essence_length for all clip wrapped
essences.
Signed-off-by: Marton Balint <cus@passwd.hu>
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wrapped essences
Also make sure we set a valid track index sid and a valid track edit rate in
order for the index to be useful.
Signed-off-by: Marton Balint <cus@passwd.hu>
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Signed-off-by: Marton Balint <cus@passwd.hu>
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Some code is based on bmxlib-libmxf/mxf/mxf_utils.c.
Signed-off-by: Marton Balint <cus@passwd.hu>
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Signed-off-by: Marton Balint <cus@passwd.hu>
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Fixes ticket #7270.
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Both QTFF and the ISOBMFF standards allow it.
Fixes #7262
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Fixes ticket #6433.
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da9cc22d5bd allowed the MOV muxer to relay a custom stream handler name,
whether populated from the input stream or user-set. However, the entry
key didn't match the key set by the MOV demuxer, so it wasn't
effective. Fixed.
Due to the change, four FATE refs have to be updated. Verified that the
target payload of the tests hasn't changed in terms of CRC.
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In 9152c1e4955, the mpegts parser was taught how to parse
PMT sections which contained multiple tables. That commit
fixed parsing of PMT packets from some cable providers,
which included a special SCTE table (0xc0) before the
standard program map table (0x2).
Sometimes, however, the combined 0xc0 and 0x2 tables are
larger than a single TS packet (188 bytes). The mpegts parser
already attempts to parse sections which span multiple packets,
but still assumed that the split section only contained one
table.
This patch fixes parsing of such a sample[1].
Before:
Input #0, mpegts, from 'combined-pmt-tids-split.ts':
Duration: 00:00:01.26, start: 39188.931756, bitrate: 597 kb/s
Program 1
No Program
Stream #0:0[0xeff]: Audio: ac3, 48000 Hz, mono, fltp, 64 kb/s
Stream #0:1[0xefd]: Audio: mp3, 0 channels, fltp
Stream #0:2[0xefe]: Unknown: none
After:
Input #0, mpegts, from 'combined-pmt-tids-split.ts':
Duration: 00:00:01.27, start: 39188.931756, bitrate: 589 kb/s
Program 1
Stream #0:0[0xefd]: Video: h264 ([27][0][0][0] / 0x001B), none, 59.94 fps, 59.94 tbr, 90k tbn, 180k tbc
Stream #0:1[0xefe](eng): Audio: ac3 ([129][0][0][0] / 0x0081), 48000 Hz, stereo, fltp, 384 kb/s
Stream #0:2[0xeff](spa): Audio: ac3 ([129][0][0][0] / 0x0081), 48000 Hz, mono, fltp, 64 kb/s
Stream #0:3[0xf00]: Data: scte_35
Stream #0:4[0xf01]: Unknown: none (ETV1 / 0x31565445)
Stream #0:5[0xf02]: Unknown: none (ETV1 / 0x31565445)
Stream #0:6[0xf03]: Unknown: none ([192][0][0][0] / 0x00C0)
With the patch, the PMT is parsed correctly so the streams are
created in the correct order, are associated with "Program 1",
and their codecs are set correctly.
[1] https://s3.amazonaws.com/tmm1/combined-pmt-tids-split.ts
Signed-off-by: Aman Gupta <aman@tmm1.net>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Replace the number by macro for bprint init.
Signed-off-by: Jun Zhao <mypopydev@gmail.com>
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Replace the number by macro for bprint init.
Signed-off-by: Jun Zhao <mypopydev@gmail.com>
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Reviewed-by: Sasi Inguva <isasi@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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For chapter images, the mov demux produces streams with disposition set
to attached_pic+timed_thumbnails. This patch fixes to properly recognize
streams that should be encoded as cover image (ones with only and only
attached_pic disposition set).
Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Find codec tag for attached images using appropriate list of
supported image formats.
This fixes writing the cover image to m4v/m4a and other container
formats that do not allow these codecs as a track.
Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Found by Chrome's ClusterFuzz: http://crbug.com/849062.
Signed-off-by: Jacob Trimble <modmaker@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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A generic lavf flag for AAC LATM packetization for the RTP muxer was
added in ef409645f0 and then made inert 20 days later in 0832122880
when a private muxer option was added and the generic flag no longer
read.
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This validates that the common encryption saio/saiz atoms only appear
when the data is actually encrypted. This also ignores those atoms
in clear content.
Found by Chrome's ClusterFuzz: http://crbug.com/850389
Signed-off-by: Jacob Trimble <modmaker@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Marton Balint <cus@passwd.hu>
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It cannot happen for video streams.
Signed-off-by: Marton Balint <cus@passwd.hu>
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Signed-off-by: Marton Balint <cus@passwd.hu>
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Signed-off-by: Marton Balint <cus@passwd.hu>
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data_essence_container_uls
Signed-off-by: Marton Balint <cus@passwd.hu>
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If start_time is not set, ffmpeg takes the duration from the global
movie instead of the per stream duration.
Signed-off-by: Sasi Inguva <isasi@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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We already do this for audio, but it should be done for video too.
If we don't, seeking back to the start of the file, for example, can
become quite broken, since the first N packets will have repeating
and nonmonotonic PTS, yet they need to be decoded even if they are
to be discarded.
Signed-off-by: Sasi Inguva <isasi@isasi.mtv.corp.google.com>
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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Found by Chrome's ClusterFuzz: https://crbug.com/847060
Signed-off-by: Jacob Trimble <modmaker@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: Marton Balint <cus@passwd.hu>
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This also changes the rounding to nearest.
Signed-off-by: Marton Balint <cus@passwd.hu>
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Signed-off-by: Marton Balint <cus@passwd.hu>
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The code is trivial but the semantics in the spec are ambiguous. This
should help keep parts of the muxer interpreting them consistently.
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The producer reference time box supplies relative wall-clock times
at which movie fragments, or files containing movie fragments
(such as segments) were produced.
The box is mainly useful in live streaming use cases. A media player
can parse the box and utilize the time fields to measure and improve
the latency during real time playout.
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This utility function creates 64-bit NTP time format as per the RFC
5905.
A simple explaination of 64-bit NTP time format is here
http://www.beaglesoft.com/Manual/page53.htm
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Yet another case of forgotten 0 =! EOF translation.
While the documentation for this specific synchronous read
function does not mention it, the documentation for
`sftp_async_read` documents it, as well as looking at the
implementation of this function leads one to find
`if (handle->eof) { return 0; }`.
Reported by stnutt on IRC.
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Applicable only to webm output format.
By default all the segment filenames end with .m4s extension.
When someone chooses webm output format, we recommend they also override the relevant segment name options to end with .webm extension. This patch will issue a warning for he same
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Right now segment file format is chosen to be either mp4 or webm based on the codec format.
This patch makes that choice configurable by the user, instead of being decided by the muxer.
Also with this change per-stream choice segment file format(based on codec type) is not possible.
All the output audio and video streams should be in the same file format.
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fixes ticket7209
Tested-by: Jim DeLaHunt <from.ffmpeg-dev@jdlh.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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FFmbc uses this.
bmx uses this.
XAVC MXF Mapping and Operating Points prefers this.
Basic rounding rules also yields these numbers.
Signed-off-by: Marton Balint <cus@passwd.hu>
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fix ticket: 7160
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
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simplify the code to check common init section
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Add NULL pointer check for init_section
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mov_read_stsc()
Fixes: #7165
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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