| Commit message (Collapse) | Author | Age | Files | Lines |
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MSVC doesn't support the %s time format, and instead of returning an
error the invalid parameter handler is invoked which (by default)
terminates the process.
Reviewed-by:Steven Liu <lq@chinaffmpeg.org>
Signed-off-by: Hendrik Leppkes <h.leppkes@gmail.com>
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refer to ticket id: #6170
rename file from temp to origin name after complete current segment
Reviewed-by: Aman Gupta <ffmpeg@tmm1.net>
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Value 4 (Unknown) is for the time being part of the Matroska spec but not
supported by WebM
Addresses ticket #6176
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Signed-off-by: Nicolas Roy-Renaud <nicolas.roy-renaud.1@ens.etsmtl.ca>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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check if proto is null before av_strcasecmp
CID: 1401346
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
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Fixes #5442.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Silence a valgrind warning.
Fixes ticket #6160.
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keyframe/frame with matching timestamp. Fixes ticket#5904
Signed-off-by: Sasi Inguva <isasi@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Fixes Coverity CID 1396277.
Signed-off-by: Marton Balint <cus@passwd.hu>
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update_initial_durations()
This dts value can end up in the list in the absence of durations and is in that
case semantically identical to AV_NOPTS_VALUE. We can alternatively prevent
storing RELATIVE_TS_BASE if there is no duration.
Fixes Ticket3640
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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with a very low score
Fixes Ticket 6018
This fixes a regression, and allows playback of files containing mpeg4video that are otherwise
not supported
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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When the http method is not set, the method will use POST for ts,
PUT for m3u8, it is not unify, now set it unify.
This ticket id: #5315
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Reviewed-by: Moritz Barsnick <barsnick@gmx.net>
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
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Fixes ticket #6100.
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Skips using temporary files when outputting to a protocol other than
"file", which enables dash to output content over network
protocols. The logic has been copied from the HLS format.
Reviewed-by: Steven Liu <lingjiujianke@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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This commit optimizes HTTP performance by reducing forward seeks, instead
favoring a read-ahead and discard on the current connection (referred to
as a short seek) for seeks that are within a TCP window's worth of data.
This improves performance because with TCP flow control, a window's worth
of data will be in the local socket buffer already or in-flight from the
sender once congestion control on the sender is fully utilizing the window.
Note: this approach doesn't attempt to differentiate from a newly opened
connection which may not be fully utilizing the window due to congestion
control vs one that is. The receiver can't get at this information, so we
assume worst case; that full window is in use (we did advertise it after all)
and that data could be in-flight
The previous behavior of closing the connection, then opening a new
with a new HTTP range value results in a massive amounts of discarded
and re-sent data when large TCP windows are used. This has been observed
on MacOS/iOS which starts with an initial window of 256KB and grows up to
1MB depending on the bandwidth-product delay.
When seeking within a window's worth of data and we close the connection,
then open a new one within the same window's worth of data, we discard
from the current offset till the end of the window. Then on the new
connection the server ends up re-sending the previous data from new
offset till the end of old window.
Example (assumes full window utilization):
TCP window size: 64KB
Position: 32KB
Forward seek position: 40KB
* (Next window)
32KB |--------------| 96KB |---------------| 160KB
*
40KB |---------------| 104KB
Re-sent amount: 96KB - 40KB = 56KB
For a real world test example, I have MP4 file of ~25MB, which ffplay
only reads ~16MB and performs 177 seeks. With current ffmpeg, this results
in 177 HTTP GETs and ~73MB worth of TCP data communication. With this
patch, ffmpeg issues 4 HTTP GETs and 3 seeks for a total of ~22MB of TCP data
communication.
To support this feature, the short seek logic in avio_seek() has been
extended to call a function to get the short seek threshold value. This
callback has been plumbed to the URLProtocol structure, which now has
infrastructure in HTTP and TCP to get the underlying receiver window size
via SO_RCVBUF. If the underlying URL and protocol don't support returning
a short seek threshold, the default s->short_seek_threshold is used
This feature has been tested on Windows 7 and MacOS/iOS. Windows support
is slightly complicated by the fact that when TCP window auto-tuning is
enabled, SO_RCVBUF doesn't report the real window size, but it does if
SO_RCVBUF was manually set (disabling auto-tuning). So we can only use
this optimization on Windows in the later case
Signed-off-by: Joel Cunningham <joel.cunningham@me.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Reported-by: SleepProgger <security@gnutp.com>
Reviewed-by: Steven Liu <lingjiujianke@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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hls-encoder currenlty does not provide stream level metadata to mpegts
muxer. This patch fixes track #3848 bug.
Signed-off-by: Bela Bodecs <bodecsb@vivanet.hu>
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
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This enables having multiple tracks of the same type which would
be treated as different things by the media server (as opposed to
different bit rate versions of the same track). According to the
smooth streaming specification, just setting the systemLanguage
tag is not enough to note that a track with the same attributes
differs from another one.
Reviewed-by: Martin
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Silences an "assignment discards ‘const’ qualifier" warning.
Reviewed-by: Marton Balint
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Silences an "assignment discards ‘const’ qualifier" warning.
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Only lossy part is decoded for now.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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When user use the hls_wrap, there have many problem:
1. some platform refersh the old but usefull segment
2. CDN(Content Delivery Network) Deliver HLS not friendly
The hls_wrap is used to wrap segments for use little space,
now user can use hls_list_size and hls_flags delete_segments
instead it.
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Reviewed-by: Carl Eugen Hoyos <ceffmpeg@gmail.com>
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
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In case parsers care about the version that started writing
correct flags.
Signed-off-by: James Almer <jamrial@gmail.com>
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This way it's clear the size field accounts for the footer length plus every
tag entry, but not the header.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
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position
The size field in the header/footer accounts for the entire APE tag
structure except the 32 bytes from header, for compatibility with
APEv1.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
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According to the spec[1], a value of 0 means the footer is present and a value
of 1 means it's absent, the exact opposite of header presence flag where 1
means present and 0 absent.
The reason for this is compatibility with APEv1 tags, where there's no header,
footer presence was mandatory for all files, and the flags field was a zeroed
reserved field.
[1] http://wiki.hydrogenaud.io/index.php?title=Ape_Tags_Flags
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
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Core of patch is from paul@paulmehta.com
Reference https://crbug.com/643952 (senc,saiz portions)
Signed-off-by: Matt Wolenetz <wolenetz@chromium.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Core of patch is from paul@paulmehta.com
Reference https://crbug.com/643952 (udta_string portion)
Signed-off-by: Matt Wolenetz <wolenetz@chromium.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Core of patch is from paul@paulmehta.com
Reference https://crbug.com/643951
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Check value reduced as the code does not support values beyond INT_MAX
Also the check is moved to a more common place and before integer truncation
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Core of patch is from paul@paulmehta.com
Reference https://crbug.com/643950
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Check value reduced as the code does not support larger lengths
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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until complete
Adds a `-hls_flags +temp_file` which will write segment data to
filename.tmp, and then rename to filename when the segment is complete.
This patch is similar in spirit to one used in Plex's ffmpeg fork, and
allows a transcoding webserver to ensure incomplete segment files are
never served up accidentally.
Reviewed-by: Hendrik Leppkes <h.leppkes@gmail.com>
Reviewed-by: Bodecs Bela <bodecsb@vivanet.hu>
Signed-off-by: Aman Gupta <aman@tmm1.net>
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
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Blocks are marked as key frames whenever the "reference" field is
zero. This breaks for non-keyframe Blocks with a reference timestamp
of zero.
The likelihood of reference timestamp being zero is increased by a
longstanding bug in muxing that encodes reference timestamp as the
absolute time of the referenced frame (rather than relative to the
current Block timestamp, as described in MKV spec).
Now using INT64_MIN to denote "no reference".
Reported to chromium at http://crbug.com/497889 (contains sample)
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Not starting a new segment if the elapsed microsecs since the start of the day
equals the the elapsed microsecs since the start of the day at the time of the
last cut seems plain wrong to me, Deti do you remember the original reason
behind this check?
Signed-off-by: Marton Balint <cus@passwd.hu>
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Fixes ticket #6124.
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* commit '7f549b8338ed3775fec4bf10421ff5744e5866dd':
riff: don't overwrite bps from WAVEFORMATEX if EXTENSIBLE doesn't contain that data.
Only cosmetics, the change was already present.
Merged-by: Clément Bœsch <cboesch@gopro.com>
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that data.
According to the specification on the MSDN [1], 0 is valid for that
particular field, and it should be ignored in that case.
[1]: http://msdn.microsoft.com/en-us/library/windows/desktop/dd757714(v=vs.85).aspx
Bug-Id: 950
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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There are samples with invalid stsc that may work fine as is and
do not need extradata change. So ignore any out of range index, and
error out only when explode is set.
Found-by: Matthieu Bouron <matthieu.bouron@stupeflix.com>
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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* commit '90bc423212396e96a02edc1118982ab7f7766a63':
mov: Wrap stsc index and count compare in a separate function
The mov_stsc_index_valid() function is replaced with a macro to prevent
signdness issues (index is not always signed, and count is always
unsigned currently).
The comparison is also adjusted to reduce the risk of overflows.
Merged-by: Clément Bœsch <u@pkh.me>
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Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
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