[Libva] [PATCH Libva-intel-driver V2 0/6] H264_encoding: Add the support of packed header rawdata/slice data

[Zhao, Yakui]

On Wed, 2014-05-21 at 18:51 -0600, Zhao, Yakui wrote:
> From: Zhao Yakui <yakui.zhao at intel.com>
> 
> Under some encoding scenario the user-space app hopes that the driver
> can insert passed packed header rawdata/slice data into the coded clip. 
> This is the patch set that adds the support of inserting the packed header
> rawdata/slice data from the user. But as H264 can have multi-slices
> and several packed rawdata are inserted for one slice, it has to follow
> some rules so that the packed data can be inserted correctly:
> 1. the packed rawdata header type/data should be paired.
> 2. the packed rawdata data is inserted by following the passed order
> 3. the packed rawdata header/data is split by using VAEncSliceParameterBuffer.
> That is to say: The packed rawdata for slice 0 should be passed before the first
> VAEncSliceParameterBuffer. After one VAEncSliceParameterBuffer is parsed,
> the subseuquent packed rawdata is for another new slice. The subsequent
> packed rawdata after the last VAEncSliceParameterBuffer is ignored.
> 4. it does not change the rule for the packed data of SPS/PPS/MISC type.
> 5. the packed slice header data can also be passed from the user.
> At the same time the flag of VAEncPackedHeaderSlice is *optional*. That is
> to say: if the packed slice header data is passed, it is directly inserted.
> Otherwise the driver will help to generate the slice header data by itself.
> 6. the packed slice header data will be inserted after the packed rawdata for one slice.
> This is handled in the driver when both packed rawdata and slice_header data are passed
> for one slice.
> 

This will be pushed.

Thanks.
   Yakui
> 
> V1->V2: Based on Gwenole's comment another nal_unit_type is added.
> 
> 
> Zhao, Yakui (6):
>   H264_Encoding: Parse the packed header data from user to fix the
>     hacked code of HW skip bytes
>   H264_Encoding: Prepare some data structures for adding packed raw
>     data
>   H264_encoding: Add the support of inserting the packed raw data
>     passed from user
>   H264_encoding: Reset the last_packed_header_type to avoid the
>     unpaired packed header type/data
>   H264_Encoding: Add the support of packed slice header to be flexible
>   H264_encoding: Don't update the slice qp for CBR mode when finding
>     packed slice_header data
> 
>  src/gen6_mfc.c        |  34 ++-------
>  src/gen6_mfc.h        |   7 ++
>  src/gen6_mfc_common.c | 199 +++++++++++++++++++++++++++++++++++++++++++++++++-
>  src/gen75_mfc.c       | 143 ++++--------------------------------
>  src/gen8_mfc.c        | 128 ++------------------------------
>  src/i965_drv_video.c  | 138 ++++++++++++++++++++++++++++++++--
>  src/i965_drv_video.h  |  23 ++++++
>  7 files changed, 381 insertions(+), 291 deletions(-)
>