This is needed if all the data for one track isn't continuous
within the mdat. Normally we make sure all the data for one
track is continuous, but in new cases we will need to have
the samples interleaved.
Signed-off-by: Martin Storsjö <martin@martin.st>
* commit '448c8cfe4c53e9e806effd8505b46d57fa707061':
movenc: Support setting fragment_index before the moov atom is written
Conflicts:
libavformat/movenc.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit '0c5e380c2c266d2e8a13c000cc527529db837f10':
movenc: Don't rely on the fragment index for vc1 info gathering
Merged-by: Michael Niedermayer <michaelni@gmx.at>
This way, the caller doesn't need to coordinate setting the option
after the moov atom has been written. The downside is that it is
no longer possible to use the option for checking whether the moov
atom already has been written, but a caller is able to keep track
of that by other means anyway.
Signed-off-by: Martin Storsjö <martin@martin.st>
The previous use of the mov->fragments field, for determining whether
written packets were part of the first fragment or not, didn't
work as intended when using the empty_moov flag.
Signed-off-by: Martin Storsjö <martin@martin.st>
* commit '46d4d8575979a24a8d026d9805039b724e0e3e5f':
movenc: Avoid writing separate flags for the first sample if not necessary
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit '00d751d4fc20ec88d2cc2c9f39ec8b9e9c8cdeba':
movenc: Set tfhd default sample flags based on actual samples, if possible
Merged-by: Michael Niedermayer <michaelni@gmx.at>
This avoids assuming that e.g. audio samples are marked as
sync samples.
This allows omitting the sample flags from trun, if the default
flags happen to be right for all the samples.
Signed-off-by: Martin Storsjö <martin@martin.st>
a876585215 had the unintended side effect of returning AVERROR(ENOMEM)
when track->entry is zero, while the code intentionally wants to
continue in that case.
Signed-off-by: Martin Storsjö <martin@martin.st>
As this is depricated it should not be on by default, it is only
supported for MOV containers, depends on avpriv_get_gamma_from_trc()
Enable by:
-movflags +write_gama
This will use the color_trc to supply a gamma value, if desired an
explicit value may be supplied using the -mov_gamma option supplying
a suitable floating point value, values <=1e-6 will not be written.
Signed-off-by: Kevin Wheatley <kevin.j.wheatley@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Using the copy codec ACLR atoms where incorrectly written
During the creation of the ACLR atom we are assuming the vos_data
contains the DNxHD header. This change makes this explicit and
ensures we don't over write the stream with the extra_data.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Outputting DNxHD into .mov containers 'corrupts' following atoms until end of stsd
ffmpeg and qtdump could not decode pasp/colr atoms in the files made by ffmpeg,
when outputting DNxHD due to the incorrect padding placement. Now we add the
padding in the correct place
Tidy up FATE changes due to padding changes.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Avid prefers mpeg range [16-235] by default this change brings
ffmpeg into line with that. To obtain the old behaviour use
'-color_range jpeg' on the command line prior to the ouput
filename.
Signed-off-by: Kevin Wheatley <kevin.j.wheatley@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* commit '46808fdf04ab113df374157b90b506eb3110daf2':
movenc: Enable editlists by default if delay_moov is enabled
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit 'b3b0b35db2f3b61bf2f0f4fa85f5b6267d83c8fe':
movenc: Get rid of a hack for updating the dvc1 atom
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit '847bf5988fec1d3e65c1d8cf0cdb8caf0cfd0c1b':
movenc: Add an option for delaying writing the moov with empty_moov
Conflicts:
libavformat/movenc.c
libavformat/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit 'c725faebda9a516766d94c33b07972ab0f70cf93':
movenc: Use start_dts/cts instead of cluster[0] for writing edit lists
Conflicts:
libavformat/movenc.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit '724cbea7193945fe5a5b4dea8ede344803572844':
movenc: Remove an unnecessary condition when flushing fragments
Merged-by: Michael Niedermayer <michaelni@gmx.at>
* commit '355d01a1bf55297b1d1f04e4bfbf0ddc93b6247e':
movenc: Factorize writing ftyp and other identification tags to a separate function
Conflicts:
libavformat/movenc.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Use the more generic approach with the delay_moov flag, instead of
having a update mechanism specific to this one single atom.
Signed-off-by: Martin Storsjö <martin@martin.st>
This delays writing the moov until the first fragment is written,
or can be flushed by the caller explicitly when wanted. If the first
sample in all streams is available at this point, we can write
a proper editlist at this point, allowing streams to start at
something else than dts=0. For AC3 and DNXHD, a packet is
needed in order to write the moov header properly.
This isn't added to the normal behaviour for empty_moov, since
the behaviour that ftyp+moov is written during avformat_write_header
would be changed. Callers that split the output stream into header+segments
(either by flushing manually, with the custom_frag flag set, or by
just differentiating between data written during avformat_write_header
and the rest) will need to be adjusted to take this option into use.
For handling streams that start at something else than dts=0, an
alternative would be to use different kinds of heuristics for
guessing the start dts (using AVCodecContext delay or has_b_frames
together with the frame rate), but this is not reliable and doesn't
necessarily work well with stream copy, and wouldn't work for getting
the right initialization data for AC3 or DNXHD either.
Signed-off-by: Martin Storsjö <martin@martin.st>
If fragments == 0 it means we haven't written any moov atom yet.
If the empty_moov flag is set, we already have written an empty moov
atom at startup. Thus, the check for empty_moov is redundant.
This is in preparation for allowing writing the moov atom later,
even when using the empty moov flag.
Signed-off-by: Martin Storsjö <martin@martin.st>
* commit '59f0275dd0a42a7f90271a83a78e9ca5e69ff5b0':
movenc: Adjust the pts of new fragments similarly to what is done for dts
Merged-by: Michael Niedermayer <michaelni@gmx.at>
