Some segmented formats (such as fragmented mp4) are "bare", as in,
the segment files do not have the same headers/trailers as full normal
files of that format have.
Signed-off-by: Martin Storsjö <martin@martin.st>
This makes sure the muxers are set up in the way they expect
with no data left around from the previous run (which could
cause various issues including memory leaks, depending on the chaine
muxer).
This fixes memory leaks with the mpegts and flv muxers. It also
makes the usage of chained muxers correct.
Signed-off-by: Martin Storsjö <martin@martin.st>
With this change, the segmenter muxer doesn't rely on anything
not available/supported to libavformat external users, making
the segmenter muxer do things just like a normal segmenter
application using libavformat would do.
Signed-off-by: Martin Storsjö <martin@martin.st>
Before, the chained muxer reused the AVStreams array from
the outer muxer, which made it impossible to use the proper
public functions (such as av_write_frame) when calling the
chained muxer.
Signed-off-by: Martin Storsjö <martin@martin.st>
This might not be needed at the moment, but it's good practice to
pass it to all chained AVFormatContexts, if it would happen to be
used there at a later point.
Signed-off-by: Martin Storsjö <martin@martin.st>
Remove a bogus warning when using segment_list_type csv.
The LIST_TYPE_EXT constant is only used internally, so it can
be removed when the feature (segment_list_type ext) gets removed.
Signed-off-by: Alexander Strasser <eclipse7@gmx.net>
Should also be faster (though I doubt that hardly ever matters
for the usage here).
Also remove the pointer copy. Since we do not need to reset the
pointer to the start of the string, it is not needed anymore.
Signed-off-by: Alexander Strasser <eclipse7@gmx.net>
Allow to specify options affecting the segment list generation.
In particular: add +live and +cache flags.
For a full discussion read trac ticket #1642:
http://ffmpeg.org/trac/ffmpeg/ticket/1642
Also add live M3U8 generation example.
Add list extended format which specifies in the list file the start and
ending time for each segment. This is required to make it available this
information to external tools, avoiding the need to perform file analysis
in the output segments.
Allow to deal with the list file printing only in a single point, thus
simplifying logic, and allow a bit of factorization (no special case
needed when printing the first file name of the list).
This simplifies usage for segment streaming formats with no global
headers, tipically MPEG 2 transport stream "ts" files.
The seg class duplication is required in order to avoid an infinite loop
in libavformat/utils.c:format_child_next_class().
Provide a way to wrap around the segment index so pseudostreaming
live through a web server and html5 browser is simpler.
Also ensure that 0 (disable) is a valid value across the options
providing wrap around.
With the added benefit that allowing -segment_list_size 0 makes it
possible to keep all segment entries in the list file.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Martin Storsjö
Alexander Strasser
Stefano Sabatini
Diego Biurrun
Janne Grunau
Luca Barbato
Paul B Mahol
Nicolas Noirbent
Michael Niedermayer