Use it instead of checking CODEC_FLAG_BITEXACT in the first stream's
codec context.
Using codec options inside lavf is fragile and can easily break when the
muxing codec context is not the encoding context.
* commit 'a738540366c9b114949b7914c0d08e2c28982cfb':
lavf: properly document the distinction between flags and ctx_flags
Merged-by: Michael Niedermayer <michaelni@gmx.at>
After this commit applications needs to call av_format_inject_global_side_data()
or handle AVStream side data by some other means if they want it not to be lost.
This fixes a API incompatibility with libav.
libav API does not allow the data to be passed through AVPackets
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Provides API to query device capabilities.
Each device must implement callbacks to benefit from this API.
Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>
Use const pointers to AVPacket and AVStream.
Signed-off-by: Roman Fietze <roman.fietze@telemotive.de>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* commit '25b32586566f285d797737863c97a1c5c9c84e2b':
lavf: add an AVStream field for exporting stream-global side data
Conflicts:
libavformat/utils.c
libavformat/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
For muxing, it accepts
both 0 and AV_NOPTS_VALUE. For demuxing, it will present
AV_NOPTS_VALUE when start_time_realtime is unknown.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* commit '4d7ab5cfebef91820af2933ef2f622ea598e6b53':
doxygen: Add a number of missing function parameter descriptions
Conflicts:
libavformat/avformat.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit '394fb56c29eee7f4f8f0334d8b5d30d3c54ac703':
lavf: always unref the packet passed to av_interleaved_write_frame() on error
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit '54f7e79d4706a8343dad1d8da51b7d3d3b2cd3b2':
lavf: add some basic documentation of the muxing process
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Currently ff_interleave_packet_per_dts() waits until it gets a frame for
each stream before outputting packets in interleaved order.
Sparse streams (i.e. streams with much fewer packets than the other
streams, like subtitles or audio with DTX) tend to add up latency and in
specific cases end up allocating a large amount of memory.
Emit the top packet from the packet_buffer if it has a time delta
larger than a specified threshold.
Original report of the issue and initial proposed solution by
mus.svz@gmail.com.
Bug-id: 31
Signed-off-by: Anton Khirnov <anton@khirnov.net>
* commit '8b64c2ba0382892cad9e1a5ba601696d4cbb4d04':
lavc: add a dummy field to AVStream to preserve ABI compatibility for avconv
Merged-by: Michael Niedermayer <michaelni@gmx.at>
avconv abuses the API by accessing AVStream.parser (which is private).
Removing AVStream.reference_dts in
2ba68dd044 breaks ABI compatibility for an
old avconv using a newer lavf. Fix this by adding a dummy field until
the next bump.
previously only codec_ids could be forced, which did not allow
forcing a specific implementation like libopenjpeg vs jpeg2000.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* commit '596e5d4783ca951258a7c580951fd161f1785ec1':
lavf: Add a flag to enable/disable per-packet flushing
Conflicts:
libavformat/avformat.h
libavformat/mux.c
libavformat/version.h
This adds a 2nd API to set per packet flushing
If the user application indicates through either a non default then this non default takes
precedence over the other still default value
Merged-by: Michael Niedermayer <michaelni@gmx.at>
This is enabled by default and can be disabled with
"-fflags -flush_packets".
Inspired by a patch from Nicolas George <nicolas.george@normalesup.org>.
Signed-off-by: Martin Storsjö <martin@martin.st>
* qatar/master:
matroskaenc: Allow chapters to be written in trailer
Conflicts:
libavformat/matroskaenc.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
This allows creation of frame accurate chapter marks from sources like
DVD and BD where the precise chapter location is not known until the
chapter mark has been reached during reading.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
* commit '64af59bc4916fac5578b31c89da13c30b591bddf':
avformat: Fix references to removed av_close_input_file in Doxygen
Merged-by: Michael Niedermayer <michaelni@gmx.at>
avconv uses private and internal fields from libavformat, we thus must
match the layout even of the fields marked non public.
Otherwise ffmpegs libavformat could not be used as a dropin replacement
on debian/ubuntu
The current soname of libavformat was not part of any release nor are any
fields marked public moved thus in theory
no installed shared lib ABI breakage should occur. Still the need for this
change is unfortunate and chilling.
If you installed shared libs from a recent development version of libavformat
that is more recent than the last release. You probably want to check or rebuild
applications that linked to it.
minor versions of avformat & avdevice are bumped to allow detecting this
as both use the updated struct
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
There are 4 separate WebVTT text track kinds: subtitles (the default
if not otherwise specified), captions, descriptions, and metadata.
The WebM muxer needs to know which WebVTT text track kind this is, in
order to synthesize the correct track type and codec id.
To allow a demuxer to indicate the text track kind of the input, a new
set of AV_DISPOSITION flag values has been added, corresponding to
each of the non-default text track kind values.
* commit 'c2cb01d418dd18e1cf997c038d37378d773121be':
lavf: introduce AVFMT_TS_NEGATIVE
Conflicts:
libavformat/avformat.h
libavformat/mux.c
tests/ref/lavf/asf
tests/ref/lavf/mkv
tests/ref/lavf/mpg
tests/ref/lavf/ts
tests/ref/seek/lavf-asf
tests/ref/seek/lavf-mkv
tests/ref/seek/lavf-mpg
tests/ref/seek/lavf-ts
This commit does not change the default ts behaviour, such
change will, if its done, be done separately.
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Most formats do not support negative timestamps, shift them to avoid
unexpected behaviour and a number of bad crashes.
CC:libav-stable@libav.org
Signed-off-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
* qatar/master:
bgmc: Fix av_malloc checks in ff_bgmc_init()
rtp: set the payload type as stream id
Conflicts:
libavformat/rtpenc_chain.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit '3b4296f41473a5b39e84d7a49d480624c9c60040':
avformat: clarify stream id for muxing
fate: Add dependencies for aac, alac, amrnb, amrwb, atrac tests
ppc: do not pass redundant compiler flags
avutil: change GET_UTF8 to not use av_log2()
segment: fix NULL pointer dereference in seg_write_header()
Conflicts:
tests/fate/aac.mak
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit '9221efef7968463f3e3d9ce79ea72eaca082e73f':
lavf: fix av_interleaved_write_frame() doxy.
lavf: clarify the lifetime of demuxed packets.
avconv: do not free muxed packet on streamcopy.
crc: move doxy to the header
vf_drawtext: do not use deprecated av_tree_node_size
x86: Refactor PSWAPD fallback implementations and port to cpuflags
Merged-by: Michael Niedermayer <michaelni@gmx.at>
