Related to CVE-2011-3940.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind

Check results for av_malloc() and fix an overflow in one call.

Related to CVE-2011-3940.

Based in part on work from Michael Niedermayer.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind

Fixes CVE-2011-3940 (Out of bounds read resulting in out of bounds write)

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 5c011706)
Signed-off-by: Alex Converse <alex.converse@gmail.com>

Also add spacing around operators on touched lines, and split
one line to match the common style.
Signed-off-by: Martin Storsjö <martin@martin.st>

Give the exact aspect ratios when there is a mismatch between encoder
and muxer.
Signed-off-by: Anton Khirnov <anton@khirnov.net>

-vbsf doesn't exist anymore. It got renamed to -bsf somewhere along the
line. Update print statement accordingly.
Signed-off-by: Anton Khirnov <anton@khirnov.net>

Current demuxer recognizes several colorspace formats that begin with 'C420'
but does not yet recognize plain 'C420'. GStreamer's y4menc component
generates .y4m files with a 'C420' colorspace. This new comparison is
placed after the other 'C420' checks so that it doesn't interfere with
them.
Signed-off-by: Anton Khirnov <anton@khirnov.net>

In this mode, no seeks will be done except for within moov/moof
fragments, which should fit within the AVIOContext buffer.

This allows pushing live smooth streaming format data to
a live publishing point on IIS over http.
Signed-off-by: Martin Storsjö <martin@martin.st>

This metadata is required for pushing a live stream to an IIS
publishing point.
Signed-off-by: Martin Storsjö <martin@martin.st>

Also remove now unused AVFormatParameters struct and
AVOutputFormat.set_parameters().

For such files, accumulating into an int would cause an overflow.
Signed-off-by: Diego Biurrun <diego@biurrun.de>

Signed-off-by: Jean First <jeanfirst@gmail.com>
Signed-off-by: Diego Biurrun <diego@biurrun.de>

If no data was seen for a stream decoder are returning 0 when fed with
empty packets for flushing. We can stop flushing when the decoder does
not return delayed delayed frames anymore. Changes try_decode_frame()
return value to got_picture or negative error.

CC: libav-stable@libav.org