mp3dec: decode more data from Info header

Signed-off-by: Anton Khirnov <anton@khirnov.net>
Merge commit '32d05934abc7427bb90380a4c1ab20a15fd7d821'

* commit '32d05934abc7427bb90380a4c1ab20a15fd7d821':
  mp3dec: decode more data from Info header

Conflicts:
	libavformat/mp3dec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
ffmpeg: fix mixed merged & split side data with the stream->packet hack

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
lavd/pulse_audio_common: rename variables and enums

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
lavd/pulse_audio_common: add context helper functions

Functions allow to connect and disconnect from server.
Helpfull to implement utility functions with nested loops.

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
lavd/pulse_audio_enc: cosmetics
lavd/pulse_audio_enc: replace simple API with async API

Async API allows to use full capabilites of PulseAudio.

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
lavd/pulse_audio_enc: add nonblocking mode

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
lavd/pulse_audio_enc: add buffer fullness messages

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
lavd/avdevice: add volume messages

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
lavd/pulse_audio_enc: implement volume messages

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
lavd/pulse_audio_enc: implement pause messages

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>