Re: [PATCH] venus: replace arrary index with enum for supported formats

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On 5/23/2023 1:32 PM, Konrad Dybcio wrote:
> 
> 
> On 22.05.2023 08:17, Dikshita Agarwal wrote:
>> Use enums to list supported formats for encoder and decoder
>> instead of array index which was a error prone design.
>>
>> Signed-off-by: Dikshita Agarwal <quic_dikshita@xxxxxxxxxxx>
>> ---
> Thanks a lot.
> 
> Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
> 
>>  drivers/media/platform/qcom/venus/core.h | 16 ++++++++
>>  drivers/media/platform/qcom/venus/vdec.c | 63 +++++++++++++++++++-------------
>>  drivers/media/platform/qcom/venus/venc.c | 31 +++++++++-------
>>  3 files changed, 72 insertions(+), 38 deletions(-)
>>
>> diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
>> index 12a42fb..e988ed4 100644
>> --- a/drivers/media/platform/qcom/venus/core.h
>> +++ b/drivers/media/platform/qcom/venus/core.h
>> @@ -83,6 +83,22 @@ struct venus_resources {
>>  	const char *fwname;
>>  };
>>  
>> +enum venus_fmt {
>> +	VENUS_FMT_NV12			= 0,
>> +	VENUS_FMT_QC08C			= 1,
>> +	VENUS_FMT_QC10C			= 2,
>> +	VENUS_FMT_H264			= 3,
>> +	VENUS_FMT_VP8			= 4,
>> +	VENUS_FMT_VP9			= 5,
>> +	VENUS_FMT_HEVC			= 6,
>> +	VENUS_FMT_VC1_ANNEX_G		= 7,
>> +	VENUS_FMT_VC1_ANNEX_L		= 8,
>> +	VENUS_FMT_MPEG4			= 9,
>> +	VENUS_FMT_MPEG2			= 10,
>> +	VENUS_FMT_H263			= 11,
>> +	VENUS_FMT_XVID			= 12,
> Nit: I don't think the '= n' is necessary here, as it doesn't
> map to anything in hw/fw (or does it?)
> 
> Konrad
> 
Yes, It doesn't. Will remove in next patch.

Thanks,
Dikshita

>> +};
>> +
>>  struct venus_format {
>>  	u32 pixfmt;
>>  	unsigned int num_planes;
>> diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c
>> index c6f0fd08..bab985b 100644
>> --- a/drivers/media/platform/qcom/venus/vdec.c
>> +++ b/drivers/media/platform/qcom/venus/vdec.c
>> @@ -30,69 +30,82 @@
>>   * - future firmware versions could add support for >1 planes
>>   */
>>  static const struct venus_format vdec_formats[] = {
>> -	{
>> +	[VENUS_FMT_NV12] = {
>>  		.pixfmt = V4L2_PIX_FMT_NV12,
>>  		.num_planes = 1,
>>  		.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
>> -	}, {
>> +	},
>> +	[VENUS_FMT_QC08C] = {
>>  		.pixfmt = V4L2_PIX_FMT_QC08C,
>>  		.num_planes = 1,
>>  		.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
>> -	}, {
>> +	},
>> +	[VENUS_FMT_QC10C] = {
>>  		.pixfmt = V4L2_PIX_FMT_QC10C,
>>  		.num_planes = 1,
>>  		.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
>> -	}, {
>> -		.pixfmt = V4L2_PIX_FMT_MPEG4,
>> +	},
>> +	[VENUS_FMT_H264] = {
>> +		.pixfmt = V4L2_PIX_FMT_H264,
>>  		.num_planes = 1,
>>  		.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
>>  		.flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
>> -	}, {
>> -		.pixfmt = V4L2_PIX_FMT_MPEG2,
>> +	},
>> +	[VENUS_FMT_VP8] = {
>> +		.pixfmt = V4L2_PIX_FMT_VP8,
>>  		.num_planes = 1,
>>  		.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
>>  		.flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
>> -	}, {
>> -		.pixfmt = V4L2_PIX_FMT_H263,
>> +	},
>> +	[VENUS_FMT_VP9] = {
>> +		.pixfmt = V4L2_PIX_FMT_VP9,
>>  		.num_planes = 1,
>>  		.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
>>  		.flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
>> -	}, {
>> -		.pixfmt = V4L2_PIX_FMT_VC1_ANNEX_G,
>> +	},
>> +	[VENUS_FMT_HEVC] = {
>> +		.pixfmt = V4L2_PIX_FMT_HEVC,
>>  		.num_planes = 1,
>>  		.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
>>  		.flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
>> -	}, {
>> -		.pixfmt = V4L2_PIX_FMT_VC1_ANNEX_L,
>> +	},
>> +	[VENUS_FMT_VC1_ANNEX_G] = {
>> +		.pixfmt = V4L2_PIX_FMT_VC1_ANNEX_G,
>>  		.num_planes = 1,
>>  		.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
>>  		.flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
>> -	}, {
>> -		.pixfmt = V4L2_PIX_FMT_H264,
>> +	},
>> +	[VENUS_FMT_VC1_ANNEX_L] = {
>> +		.pixfmt = V4L2_PIX_FMT_VC1_ANNEX_L,
>>  		.num_planes = 1,
>>  		.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
>>  		.flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
>> -	}, {
>> -		.pixfmt = V4L2_PIX_FMT_VP8,
>> +	},
>> +	[VENUS_FMT_MPEG4] = {
>> +		.pixfmt = V4L2_PIX_FMT_MPEG4,
>>  		.num_planes = 1,
>>  		.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
>>  		.flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
>> -	}, {
>> -		.pixfmt = V4L2_PIX_FMT_VP9,
>> +	},
>> +	[VENUS_FMT_MPEG2] = {
>> +		.pixfmt = V4L2_PIX_FMT_MPEG2,
>>  		.num_planes = 1,
>>  		.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
>>  		.flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
>> -	}, {
>> -		.pixfmt = V4L2_PIX_FMT_XVID,
>> +	},
>> +	[VENUS_FMT_H263] = {
>> +		.pixfmt = V4L2_PIX_FMT_H263,
>>  		.num_planes = 1,
>>  		.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
>>  		.flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
>> -	}, {
>> -		.pixfmt = V4L2_PIX_FMT_HEVC,
>> +	},
>> +	[VENUS_FMT_XVID] = {
>> +		.pixfmt = V4L2_PIX_FMT_XVID,
>>  		.num_planes = 1,
>>  		.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
>>  		.flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
>>  	},
>> +
>>  };
>>  
>>  static const struct venus_format *
>> @@ -1575,8 +1588,8 @@ static const struct hfi_inst_ops vdec_hfi_ops = {
>>  static void vdec_inst_init(struct venus_inst *inst)
>>  {
>>  	inst->hfi_codec = HFI_VIDEO_CODEC_H264;
>> -	inst->fmt_out = &vdec_formats[8];
>> -	inst->fmt_cap = &vdec_formats[0];
>> +	inst->fmt_out = &vdec_formats[VENUS_FMT_H264];
>> +	inst->fmt_cap = &vdec_formats[VENUS_FMT_NV12];
>>  	inst->width = frame_width_min(inst);
>>  	inst->height = ALIGN(frame_height_min(inst), 32);
>>  	inst->crop.left = 0;
>> diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
>> index 4666f42..b60772c 100644
>> --- a/drivers/media/platform/qcom/venus/venc.c
>> +++ b/drivers/media/platform/qcom/venus/venc.c
>> @@ -32,28 +32,33 @@
>>   * - future firmware versions could add support for >1 planes
>>   */
>>  static const struct venus_format venc_formats[] = {
>> -	{
>> +	[VENUS_FMT_NV12] = {
>>  		.pixfmt = V4L2_PIX_FMT_NV12,
>>  		.num_planes = 1,
>>  		.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
>> -	}, {
>> -		.pixfmt = V4L2_PIX_FMT_MPEG4,
>> +	},
>> +	[VENUS_FMT_H264] = {
>> +		.pixfmt = V4L2_PIX_FMT_H264,
>>  		.num_planes = 1,
>>  		.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
>> -	}, {
>> -		.pixfmt = V4L2_PIX_FMT_H263,
>> +	},
>> +	[VENUS_FMT_VP8] = {
>> +		.pixfmt = V4L2_PIX_FMT_VP8,
>>  		.num_planes = 1,
>>  		.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
>> -	}, {
>> -		.pixfmt = V4L2_PIX_FMT_H264,
>> +	},
>> +	[VENUS_FMT_HEVC] = {
>> +		.pixfmt = V4L2_PIX_FMT_HEVC,
>>  		.num_planes = 1,
>>  		.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
>> -	}, {
>> -		.pixfmt = V4L2_PIX_FMT_VP8,
>> +	},
>> +	[VENUS_FMT_MPEG4] = {
>> +		.pixfmt = V4L2_PIX_FMT_MPEG4,
>>  		.num_planes = 1,
>>  		.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
>> -	}, {
>> -		.pixfmt = V4L2_PIX_FMT_HEVC,
>> +	},
>> +	[VENUS_FMT_H263] = {
>> +		.pixfmt = V4L2_PIX_FMT_H263,
>>  		.num_planes = 1,
>>  		.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
>>  	},
>> @@ -1416,8 +1421,8 @@ static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
>>  
>>  static void venc_inst_init(struct venus_inst *inst)
>>  {
>> -	inst->fmt_cap = &venc_formats[3];
>> -	inst->fmt_out = &venc_formats[0];
>> +	inst->fmt_cap = &venc_formats[VENUS_FMT_H264];
>> +	inst->fmt_out = &venc_formats[VENUS_FMT_NV12];
>>  	inst->width = 1280;
>>  	inst->height = ALIGN(720, 32);
>>  	inst->out_width = 1280;



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