Return an error on Multiple AUs in a PES.

Return an error on Multiple AUs in a PES.

HLS spec recommends a single access unit(AU) in a packetized elementary stream(PES) so that each access unit can
be assigned a unique PTS and DTS. The change makes es_parser_h264 return an error if the AU cannot be assigned a PTS and DTS.

BUG=254214
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=245347

[damienv1, 2014-01-16 01:05:54]

https://codereview.chromium.org/136703005/diff/1/media/mp2t/es_parser_h264.cc
File media/mp2t/es_parser_h264.cc (right):

https://codereview.chromium.org/136703005/diff/1/media/mp2t/es_parser_h264.cc...
media/mp2t/es_parser_h264.cc:237: 
nit: blank line not needed (otherwise the previous comment "Get the access unit
timing info" seems to apply only to the next line).

[acolwell GONE FROM CHROMIUM, 2014-01-16 01:31:24]

lgtm % nit

https://codereview.chromium.org/136703005/diff/60001/media/mp2t/es_parser_h264.h
File media/mp2t/es_parser_h264.h (right):

https://codereview.chromium.org/136703005/diff/60001/media/mp2t/es_parser_h26...
media/mp2t/es_parser_h264.h:58: bool EmitFrameIfNeeded(int next_aud_pos);
nit: Please document return value.

[commit-bot: I haz the power, 2014-01-16 20:43:04]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/anjalibh@google.com/136703005/130001

[commit-bot: I haz the power, 2014-01-16 22:09:48]

Change committed as 245347