[PATCH v3 16/16] media: mtk-vcodec: venc: fix invalid time per frame in S_PARM

[Alexandre Courbot]

v4l2-compliance expects the driver to adjust the time per frame if it is
invalid (numerator or denominator set to 0). Adjust it to the default
value in these cases.

Signed-off-by: Alexandre Courbot <acour...@chromium.org>
---
 drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c 
b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
index 09baac2dbc36..82b04714f750 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
@@ -200,14 +200,18 @@ static int vidioc_venc_s_parm(struct file *file, void 
*priv,
                              struct v4l2_streamparm *a)
 {
        struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
+       struct v4l2_fract *timeperframe = &a->parm.output.timeperframe;
 
        if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
                return -EINVAL;
 
-       ctx->enc_params.framerate_num =
-                       a->parm.output.timeperframe.denominator;
-       ctx->enc_params.framerate_denom =
-                       a->parm.output.timeperframe.numerator;
+       if (timeperframe->numerator == 0 || timeperframe->denominator == 0) {
+               timeperframe->numerator = MTK_DEFAULT_FRAMERATE_NUM;
+               timeperframe->denominator = MTK_DEFAULT_FRAMERATE_DENOM;
+       }
+
+       ctx->enc_params.framerate_num = timeperframe->denominator;
+       ctx->enc_params.framerate_denom = timeperframe->numerator;
        ctx->param_change |= MTK_ENCODE_PARAM_FRAMERATE;
 
        a->parm.output.capability = V4L2_CAP_TIMEPERFRAME;
-- 
2.27.0.383.g050319c2ae-goog