Implement av_buffersrc_get_nb_failed_requests.
Deprecate av_vsrc_buffer_get_nb_failed_requests.

It is no longer used anywhere.

Furthermore, the header it was declared in was not installed,
so it can not be considered part of the public API.

av_buffersrc_add_ref can handle audio too now.

* qatar/master:
  tests: Refactor rotozoom/videogen common code into a separate file.
  tests: Mark some file-internal symbols as static.
  build: Drop leftover .exp pattern from LIBSUFFIXES list.
  vsrc_buffer: return EAGAIN if no frame is available.
  WMAL: Shift output samples by the specified number of padding zeroes.
  WMAL: Restore removed code in mclms_predict()
  rtpdec_h264: Remove a useless ifdef
  rtpdec_h264: Remove outdated/useless/incorrect comments
  rtpdec_h264: Remove useless memory corruption checks
  rtpdec_h264: Return proper error codes
  rtpdec_h264: Check the available data length before reading
  rtpdec_h264: Add input size checks
  png: check bit depth for PAL8/Y400A pixel formats.
  ea: check chunk_size for validity.
  celp filters: Do not read earlier than the start of the 'out' vector.

Conflicts:
	libavcodec/pngdec.c
	libavfilter/src_buffer.c
	tests/rotozoom.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

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

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

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

this simplifies the code
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

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

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

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

Fixes ticket #1160.

Suggested-by: Thilo Borgmann

Reviewed-by: Thilo Borgmann

This is not an erroneous condition, do not print a warning.
Signed-off-by: Anton Khirnov <anton@khirnov.net>

Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>

Based on observations made by Jakub Stachowski <qbast@go2.pl>
Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>

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

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

assert is a no-op if DEBUG isn't defined.
Signed-off-by: Martin Storsjö <martin@martin.st>

RTCP is handled elsewhere, not in the depacketizer for an
individual format.
Signed-off-by: Martin Storsjö <martin@martin.st>

Signed-off-by: Martin Storsjö <martin@martin.st>

Signed-off-by: Martin Storsjö <martin@martin.st>

This makes sure the length is checked for STAP-A type packets.
Signed-off-by: Martin Storsjö <martin@martin.st>

This fixes crashes if given too short data packets.
Signed-off-by: Martin Storsjö <martin@martin.st>

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