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Date: Wed, 24 May 2023 10:23:32 +0530
From: Dikshita Agarwal <quic_dikshita@...cinc.com>
To: Konrad Dybcio <konrad.dybcio@...aro.org>,
<linux-media@...r.kernel.org>, <stanimir.k.varbanov@...il.com>,
<quic_vgarodia@...cinc.com>, <agross@...nel.org>,
<andersson@...nel.org>, <mchehab@...nel.org>
CC: <linux-kernel@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH] venus: replace arrary index with enum for supported
formats
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@...cinc.com>
>> ---
> Thanks a lot.
>
> Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>
>
>> 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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