Re: [PATCH 06/10] media: mtk-vcodec: venc: specify supported formats per-chip

From: Tiffany Lin
Date: Fri Jun 19 2020 - 03:26:48 EST

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On Wed, 2020-05-20 at 17:27 +0900, Alexandre Courbot wrote:
> Different chips have different supported bitrate ranges. Move the list
> of supported formats to the platform data, and split the output and
> capture formats into two lists to make it easier to find the default
> format for each queue.
>

Does this patch pass v4l2 compliance test?

> Signed-off-by: Alexandre Courbot <acourbot@xxxxxxxxxxxx>
> ---
> .../platform/mtk-vcodec/mtk_vcodec_drv.h | 8 ++
> .../platform/mtk-vcodec/mtk_vcodec_enc.c | 122 +++++++-----------
> .../platform/mtk-vcodec/mtk_vcodec_enc_drv.c | 40 ++++++
> 3 files changed, 95 insertions(+), 75 deletions(-)
>
> diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
> index b8f913de8d80..59b4b750666b 100644
> --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
> +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
> @@ -313,6 +313,10 @@ enum mtk_chip {
> * @has_lt_irq: whether the encoder uses the LT irq
> * @min_birate: minimum supported encoding bitrate
> * @max_bitrate: maximum supported encoding bitrate
> + * @capture_formats: array of supported capture formats
> + * @num_capture_formats: number of entries in capture_formats
> + * @output_formats: array of supported output formats
> + * @num_output_formats: number of entries in output_formats
> */
> struct mtk_vcodec_enc_pdata {
> enum mtk_chip chip;
> @@ -321,6 +325,10 @@ struct mtk_vcodec_enc_pdata {
> bool has_lt_irq;
> unsigned long min_bitrate;
> unsigned long max_bitrate;
> + const struct mtk_video_fmt *capture_formats;
> + size_t num_capture_formats;
> + const struct mtk_video_fmt *output_formats;
> + size_t num_output_formats;
> };
>
> /**
> diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
> index 50ba9da59153..05743a745a11 100644
> --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
> +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
> @@ -23,47 +23,9 @@
> #define DFT_CFG_WIDTH MTK_VENC_MIN_W
> #define DFT_CFG_HEIGHT MTK_VENC_MIN_H
> #define MTK_MAX_CTRLS_HINT 20
> -#define OUT_FMT_IDX 0
> -#define CAP_FMT_IDX 4
> -
>
> static void mtk_venc_worker(struct work_struct *work);
>
> -static const struct mtk_video_fmt mtk_video_formats[] = {
> - {
> - .fourcc = V4L2_PIX_FMT_NV12M,
> - .type = MTK_FMT_FRAME,
> - .num_planes = 2,
> - },
> - {
> - .fourcc = V4L2_PIX_FMT_NV21M,
> - .type = MTK_FMT_FRAME,
> - .num_planes = 2,
> - },
> - {
> - .fourcc = V4L2_PIX_FMT_YUV420M,
> - .type = MTK_FMT_FRAME,
> - .num_planes = 3,
> - },
> - {
> - .fourcc = V4L2_PIX_FMT_YVU420M,
> - .type = MTK_FMT_FRAME,
> - .num_planes = 3,
> - },
> - {
> - .fourcc = V4L2_PIX_FMT_H264,
> - .type = MTK_FMT_ENC,
> - .num_planes = 1,
> - },
> - {
> - .fourcc = V4L2_PIX_FMT_VP8,
> - .type = MTK_FMT_ENC,
> - .num_planes = 1,
> - },
> -};
> -
> -#define NUM_FORMATS ARRAY_SIZE(mtk_video_formats)
> -
> static const struct mtk_codec_framesizes mtk_venc_framesizes[] = {
> {
> .fourcc = V4L2_PIX_FMT_H264,
> @@ -156,27 +118,17 @@ static const struct v4l2_ctrl_ops mtk_vcodec_enc_ctrl_ops = {
> .s_ctrl = vidioc_venc_s_ctrl,
> };
>
> -static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, bool output_queue)
> +static int vidioc_enum_fmt(struct v4l2_fmtdesc *f,
> + const struct mtk_video_fmt *formats,
> + size_t num_formats)
> {
> - const struct mtk_video_fmt *fmt;
> - int i, j = 0;
> + if (f->index >= num_formats)
> + return -EINVAL;
>
> - for (i = 0; i < NUM_FORMATS; ++i) {
> - if (output_queue && mtk_video_formats[i].type != MTK_FMT_FRAME)
> - continue;
> - if (!output_queue && mtk_video_formats[i].type != MTK_FMT_ENC)
> - continue;
> + f->pixelformat = formats[f->index].fourcc;
> + memset(f->reserved, 0, sizeof(f->reserved));
>
> - if (j == f->index) {
> - fmt = &mtk_video_formats[i];
> - f->pixelformat = fmt->fourcc;
> - memset(f->reserved, 0, sizeof(f->reserved));
> - return 0;
> - }
> - ++j;
> - }
> -
> - return -EINVAL;
> + return 0;
> }
>
> static int vidioc_enum_framesizes(struct file *file, void *fh,
> @@ -202,13 +154,21 @@ static int vidioc_enum_framesizes(struct file *file, void *fh,
> static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
> struct v4l2_fmtdesc *f)
> {
> - return vidioc_enum_fmt(f, false);
> + const struct mtk_vcodec_enc_pdata *pdata =
> + fh_to_ctx(priv)->dev->venc_pdata;
> +
> + return vidioc_enum_fmt(f, pdata->capture_formats,
> + pdata->num_capture_formats);
> }
>
> static int vidioc_enum_fmt_vid_out(struct file *file, void *priv,
> struct v4l2_fmtdesc *f)
> {
> - return vidioc_enum_fmt(f, true);
> + const struct mtk_vcodec_enc_pdata *pdata =
> + fh_to_ctx(priv)->dev->venc_pdata;
> +
> + return vidioc_enum_fmt(f, pdata->output_formats,
> + pdata->num_output_formats);
> }
>
> static int vidioc_venc_querycap(struct file *file, void *priv,
> @@ -266,13 +226,20 @@ static struct mtk_q_data *mtk_venc_get_q_data(struct mtk_vcodec_ctx *ctx,
> return &ctx->q_data[MTK_Q_DATA_DST];
> }
>
> -static const struct mtk_video_fmt *mtk_venc_find_format(struct v4l2_format *f)
> +static const struct mtk_video_fmt *mtk_venc_find_format(struct v4l2_format *f,
> + const struct mtk_vcodec_enc_pdata *pdata)
> {
> const struct mtk_video_fmt *fmt;
> unsigned int k;
>
> - for (k = 0; k < NUM_FORMATS; k++) {
> - fmt = &mtk_video_formats[k];
> + for (k = 0; k < pdata->num_capture_formats; k++) {
> + fmt = &pdata->capture_formats[k];
> + if (fmt->fourcc == f->fmt.pix.pixelformat)
> + return fmt;
> + }
> +
> + for (k = 0; k < pdata->num_output_formats; k++) {
> + fmt = &pdata->output_formats[k];
> if (fmt->fourcc == f->fmt.pix.pixelformat)
> return fmt;
> }
> @@ -414,6 +381,7 @@ static int vidioc_venc_s_fmt_cap(struct file *file, void *priv,
> struct v4l2_format *f)
> {
> struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
> + const struct mtk_vcodec_enc_pdata *pdata = ctx->dev->venc_pdata;
> struct vb2_queue *vq;
> struct mtk_q_data *q_data;
> int i, ret;
> @@ -436,10 +404,10 @@ static int vidioc_venc_s_fmt_cap(struct file *file, void *priv,
> return -EINVAL;
> }
>
> - fmt = mtk_venc_find_format(f);
> + fmt = mtk_venc_find_format(f, pdata);
> if (!fmt) {
> - f->fmt.pix.pixelformat = mtk_video_formats[CAP_FMT_IDX].fourcc;
> - fmt = mtk_venc_find_format(f);
> + fmt = &ctx->dev->venc_pdata->capture_formats[0];
> + f->fmt.pix.pixelformat = fmt->fourcc;
> }
>
> q_data->fmt = fmt;
> @@ -476,6 +444,7 @@ static int vidioc_venc_s_fmt_out(struct file *file, void *priv,
> struct v4l2_format *f)
> {
> struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
> + const struct mtk_vcodec_enc_pdata *pdata = ctx->dev->venc_pdata;
> struct vb2_queue *vq;
> struct mtk_q_data *q_data;
> int ret, i;
> @@ -499,10 +468,10 @@ static int vidioc_venc_s_fmt_out(struct file *file, void *priv,
> return -EINVAL;
> }
>
> - fmt = mtk_venc_find_format(f);
> + fmt = mtk_venc_find_format(f, pdata);
> if (!fmt) {
> - f->fmt.pix.pixelformat = mtk_video_formats[OUT_FMT_IDX].fourcc;
> - fmt = mtk_venc_find_format(f);
> + fmt = &ctx->dev->venc_pdata->output_formats[0];
> + f->fmt.pix.pixelformat = fmt->fourcc;
> }
>
> pix_fmt_mp->height = clamp(pix_fmt_mp->height,
> @@ -580,11 +549,12 @@ static int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv,
> {
> const struct mtk_video_fmt *fmt;
> struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
> + const struct mtk_vcodec_enc_pdata *pdata = ctx->dev->venc_pdata;
>
> - fmt = mtk_venc_find_format(f);
> + fmt = mtk_venc_find_format(f, pdata);
> if (!fmt) {
> - f->fmt.pix.pixelformat = mtk_video_formats[CAP_FMT_IDX].fourcc;
> - fmt = mtk_venc_find_format(f);
> + fmt = &ctx->dev->venc_pdata->capture_formats[0];
> + f->fmt.pix.pixelformat = fmt->fourcc;
> }
> f->fmt.pix_mp.colorspace = ctx->colorspace;
> f->fmt.pix_mp.ycbcr_enc = ctx->ycbcr_enc;
> @@ -598,11 +568,13 @@ static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
> struct v4l2_format *f)
> {
> const struct mtk_video_fmt *fmt;
> + struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
> + const struct mtk_vcodec_enc_pdata *pdata = ctx->dev->venc_pdata;
>
> - fmt = mtk_venc_find_format(f);
> + fmt = mtk_venc_find_format(f, pdata);
> if (!fmt) {
> - f->fmt.pix.pixelformat = mtk_video_formats[OUT_FMT_IDX].fourcc;
> - fmt = mtk_venc_find_format(f);
> + fmt = &ctx->dev->venc_pdata->output_formats[0];
> + f->fmt.pix.pixelformat = fmt->fourcc;
> }
> if (!f->fmt.pix_mp.colorspace) {
> f->fmt.pix_mp.colorspace = V4L2_COLORSPACE_REC709;
> @@ -1187,7 +1159,7 @@ void mtk_vcodec_enc_set_default_params(struct mtk_vcodec_ctx *ctx)
> q_data->coded_height = DFT_CFG_HEIGHT;
> q_data->field = V4L2_FIELD_NONE;
>
> - q_data->fmt = &mtk_video_formats[OUT_FMT_IDX];
> + q_data->fmt = &ctx->dev->venc_pdata->output_formats[0];
>
> v4l_bound_align_image(&q_data->coded_width,
> MTK_VENC_MIN_W,
> @@ -1216,7 +1188,7 @@ void mtk_vcodec_enc_set_default_params(struct mtk_vcodec_ctx *ctx)
> memset(q_data, 0, sizeof(struct mtk_q_data));
> q_data->coded_width = DFT_CFG_WIDTH;
> q_data->coded_height = DFT_CFG_HEIGHT;
> - q_data->fmt = &mtk_video_formats[CAP_FMT_IDX];
> + q_data->fmt = &ctx->dev->venc_pdata->capture_formats[0];
> q_data->field = V4L2_FIELD_NONE;
> ctx->q_data[MTK_Q_DATA_DST].sizeimage[0] =
> DFT_CFG_WIDTH * DFT_CFG_HEIGHT;
> diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
> index 221fa0303075..c8a4b85a81c4 100644
> --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
> +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
> @@ -26,6 +26,42 @@
> module_param(mtk_v4l2_dbg_level, int, S_IRUGO | S_IWUSR);
> module_param(mtk_vcodec_dbg, bool, S_IRUGO | S_IWUSR);
>
> +static const struct mtk_video_fmt mtk_video_formats_output_mt8173[] = {
> + {
> + .fourcc = V4L2_PIX_FMT_NV12M,
> + .type = MTK_FMT_FRAME,
> + .num_planes = 2,
> + },
> + {
> + .fourcc = V4L2_PIX_FMT_NV21M,
> + .type = MTK_FMT_FRAME,
> + .num_planes = 2,
> + },
> + {
> + .fourcc = V4L2_PIX_FMT_YUV420M,
> + .type = MTK_FMT_FRAME,
> + .num_planes = 3,
> + },
> + {
> + .fourcc = V4L2_PIX_FMT_YVU420M,
> + .type = MTK_FMT_FRAME,
> + .num_planes = 3,
> + },
> +};
> +
> +static const struct mtk_video_fmt mtk_video_formats_capture_mt8173[] = {
> + {
> + .fourcc = V4L2_PIX_FMT_H264,
> + .type = MTK_FMT_ENC,
> + .num_planes = 1,
> + },
> + {
> + .fourcc = V4L2_PIX_FMT_VP8,
> + .type = MTK_FMT_ENC,
> + .num_planes = 1,
> + },
> +};
> +
> /* Wake up context wait_queue */
> static void wake_up_ctx(struct mtk_vcodec_ctx *ctx, unsigned int reason)
> {
> @@ -380,6 +416,10 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
> static const struct mtk_vcodec_enc_pdata mt8173_pdata = {
> .chip = MTK_MT8173,
> .has_lt_irq = true,
> + .capture_formats = mtk_video_formats_capture_mt8173,
> + .num_capture_formats = ARRAY_SIZE(mtk_video_formats_capture_mt8173),
> + .output_formats = mtk_video_formats_output_mt8173,
> + .num_output_formats = ARRAY_SIZE(mtk_video_formats_output_mt8173),
> .min_bitrate = 1,
> .max_bitrate = 4000000,
> };

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