The function can return either a parsing error or a memory management
error.

Properly forward mp_decode_layer3 errors, mp_decode_layer1 and
mp_decode_layer2 do not return errors.

Based on a patch by Michael Niedermayer.

Signed-off-by: Mans Rullgard <mans@mansr.com>

This adds support for building on Plan 9 x86-32.  The compat/plan9
directory contains these items:

- replacements for the 'head' and 'printf' shell commands
- wrapper for main() to disable FPU exceptions

Larger required changes to the system are described in the
documentation.
Signed-off-by: Mans Rullgard <mans@mansr.com>

This allows targets to include special objects when linking
executables without including them in (shared) libraries.
Signed-off-by: Mans Rullgard <mans@mansr.com>

Some compilers (e.g. old gcc) have trouble with these.
Signed-off-by: Mans Rullgard <mans@mansr.com>

Signed-off-by: Mans Rullgard <mans@mansr.com>

The absence of this function will only give a less informative
string back from our fallback implementation of getnameinfo().
Signed-off-by: Mans Rullgard <mans@mansr.com>

Signed-off-by: Mans Rullgard <mans@mansr.com>

Some systems require sys/time.h being explicitly included before
sys/resource.h.  The configure check already does this.
Signed-off-by: Mans Rullgard <mans@mansr.com>

This causes make to exit with an error message if a nonexistent
dependency is specified rather than silently dropping the test.
Signed-off-by: Mans Rullgard <mans@mansr.com>

This matches how it is actually being called.
Signed-off-by: Mans Rullgard <mans@mansr.com>

This reverts commit def8c946.

After the major bump this is no longer necessary.

This reverts commit d15c21e5.

After the major bump this is no longer necessary.

In addition to the recent tables mess, the AVOption defaults behavior
changed, so an old lavc used with a new lavu will get completely messed
up defaults.

Fixes a crash when using a preset with stream copy.

CC: libav-stable@libav.org

This allocates 4 bytes less than the previous code if avctx->block_align is
a multiple of 4, but the extra 4 bytes is not really needed.