ffplay: remove pts_ptr argument from audio_decode_frame()

The argument is no longer used outside the function. Simplify.
ffplay: rename audio_decode_frame() variable "pts" to "audio_clock0"

The new name better expresses what the variable is.
ffplay: remove misleading comment from audio_decode_frame()
lavfi/pad: add support to named options
doc/syntax: fix frame rate documentation

This patch corrects a mistake in the documentation and aligns the
documentation of frame rates to the values that exist in parseutils.c.

Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
doc/syntax: add missing frame sizes

Adding missing frame sizes used in parseutils.c to the documentation.

Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
put_vp_no_rnd_pixels8_l2_mmx: fix type

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>