Re: [RFC PATCH 00/12] Add support for HEVC and VP9 codecs in decoder

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On 3/5/2025 7:52 PM, neil.armstrong@xxxxxxxxxx wrote:
> Hi,
> 
> On 05/03/2025 11:43, Dikshita Agarwal wrote:
>> Hi all,
>>
>> This patch series adds initial support for the HEVC(H.265) and VP9
>> codecs in iris decoder. The objective of this work is to extend the
>> decoder's capabilities to handle HEVC and VP9 codec streams,
>> including necessary format handling and buffer management.
>> In addition, the series also includes a set of fixes to address issues
>> identified during testing of these additional codecs.
>>
>> I'm sharing this series as an RFC because compliance and conformance
>> testing are still in progress.
>> While initial functional tests show positive results, I would
>> appreciate early feedback on the design, implementation, and fixes
>> before moving to a formal submission.
>>
>> I plan to submit a formal patch series after completing all compliance
>> checks. Meanwhile, any feedback or suggestion to improve this work are
>> very welcome.
>>
>> Thanks,
>> Dikshita
>>
>> Dikshita Agarwal (12):
>>    media: iris: Add HEVC and VP9 formats for decoder
>>    media: iris: Add platform capabilities for HEVC and VP9 decoders
>>    media: iris: Set mandatory properties for HEVC and VP9 decoders.
>>    media: iris: Add internal buffer calculation for HEVC and VP9 decoders
>>    media: iris: Skip destroying internal buffer if not dequeued
>>    media: iris: Update CAPTURE format info based on OUTPUT format
>>    media: iris: Add handling for corrupt and drop frames
>>    media: iris: Avoid updating frame size to firmware during reconfig
>>    media: iris: Avoid sending LAST flag multiple times
>>    media: iris: Send V4L2_BUF_FLAG_ERROR for buffers with 0 filled length
>>    media: iris: Fix handling of eos buffer during drain
>>    media: iris: Add handling for no show frames
> 
> I should be better to move patches 1, 2 & 3 at the end, after the patches
> adding support for specific hecv & h265 features, and please check that
> none of the patches breaks h264 at any time to keep bisectability.
> 
Noted.

Thanks,
Dikshita
> Neil
> 
> Neil
> 
>>
>>   .../media/platform/qcom/iris/iris_buffer.c    |  22 +-
>>   drivers/media/platform/qcom/iris/iris_ctrls.c |  28 +-
>>   .../platform/qcom/iris/iris_hfi_common.h      |   1 +
>>   .../qcom/iris/iris_hfi_gen1_command.c         |  38 +-
>>   .../qcom/iris/iris_hfi_gen1_defines.h         |   4 +
>>   .../qcom/iris/iris_hfi_gen1_response.c        |  11 +
>>   .../qcom/iris/iris_hfi_gen2_command.c         | 129 +++++-
>>   .../qcom/iris/iris_hfi_gen2_defines.h         |   5 +
>>   .../qcom/iris/iris_hfi_gen2_response.c        |  56 ++-
>>   .../media/platform/qcom/iris/iris_instance.h  |   6 +
>>   .../platform/qcom/iris/iris_platform_common.h |  25 +-
>>   .../platform/qcom/iris/iris_platform_sm8250.c |   4 +-
>>   .../platform/qcom/iris/iris_platform_sm8550.c | 141 ++++++-
>>   drivers/media/platform/qcom/iris/iris_vb2.c   |   3 +-
>>   drivers/media/platform/qcom/iris/iris_vdec.c  |  80 +++-
>>   drivers/media/platform/qcom/iris/iris_vdec.h  |  11 +
>>   drivers/media/platform/qcom/iris/iris_vidc.c  |   3 -
>>   .../platform/qcom/iris/iris_vpu_buffer.c      | 397 +++++++++++++++++-
>>   .../platform/qcom/iris/iris_vpu_buffer.h      |  46 +-
>>   19 files changed, 931 insertions(+), 79 deletions(-)
>>
> 




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