Texas Instruments H.264 High Profile Encoder, Руководство пользователя

Страница: 65 / 139

4-21
Table 4-3 H264 Encoder Constants
Constant Name Value Description of Constant
IVIDENC2_DEFAULTPROFILE -1
This constant is used when a particular codec doesn't
have a profile, or the application doesn't know which
profile the codec should use.
IVIDENC2_DEFAULTPLEVEL -1
This constant is used when a particular codec doesn't
have a level, or the application doesn't know which
profile the codec should use.
IH264HPVENC_VERSION_LENG
TH 64
Length of the version string. The memory to get version
number is owned by application.
Table 4-4 H.264 Encoder Error Statuses
Group or
Enumeration Class Symbolic Constant
Name Description or Evaluation
IH264HPVENC_Err
orBit IH264HPVENC_LEVE
L_INCOMPLAINT_PA
RAMETER
Bit 0 - level in- complaint parameters.
This error is applicable when some parameters are set,
which are not meeting the limit defined by H.264
standard Table A-1 Level limits.
The error can be categorized under following category :

IH264HPVENC_LEVEL_INCOMPLAINT_RESOLU
TION :
Invalid width/height

IH264HPVENC_LEVEL_INCOMPLAINT_HRDBUF
SZIE :
Invalid HrdBufferSize

IH264HPVENC_LEVEL_INCOMPLAINT_BITRAT
E
: Invalid Bit Rate

IH264HPVENC_LEVEL_INCOMPLAINT_MBSPER
SECOND
: Invalid FrameRate/resolution

IH264HPVENC_LEVEL_INCOMPLAINT_VERTIC
ALMVRANGE
: Invalid vertical motion vector range

IH264HPVENC_LEVEL_INCOMPLAINT_DPBSIZ
E
: Invalid DPB size For above 5 situations, only a
signal bit (bit-0) is set as true
IH264HPVENC_PROF
ILE_INCOMPLAINT_
CONTENTTYPE
Bit 1 - Profile in-complaint content type.
This error is applicable when
IVIDENC2_Params::inputContentType
is not
set as
IVIDEO_PROGRESSIVE
, and
IVIDENC2_Params::profile
is set as
IH264HP_BASELINE_PROFILE.