Messages in this thread | | | Date | Thu, 9 May 2024 11:54:31 +0200 | Subject | Re: [PATCH v2] media: mediatek: vcodec: add decoder command to support stateless decoder | From | AngeloGioacchino Del Regno <> |
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Il 16/03/24 09:13, Yunfei Dong ha scritto: > The supported decoder commands are different for stateless and > stateful architecture. Add stateless decoder commands to fix > the v4l2-compliance test error below. > > Codec ioctls: > VIDIOC_ENCODER_CMD returned -1 (Inappropriate ioctl for device) > VIDIOC_TRY_ENCODER_CMD returned -1 (Inappropriate ioctl for device) > test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported) > VIDIOC_G_ENC_INDEX returned -1 (Inappropriate ioctl for device) > test VIDIOC_G_ENC_INDEX: OK (Not Supported) > VIDIOC_DECODER_CMD returned -1 (Invalid argument) > VIDIOC_TRY_DECODER_CMD returned -1 (Invalid argument) > VIDIOC_TRY_DECODER_CMD returned -1 (Invalid argument) > fail: v4l2-test-codecs.cpp(126): ret > test VIDIOC_(TRY_)DECODER_CMD: FAIL > > Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Nicolas, Sebastian, anything to add?
Cheers, Angelo
> --- > changed with v1: > - remove the static function prefix. > - fix some messages not reasonable. > --- > .../mediatek/vcodec/decoder/mtk_vcodec_dec.c | 60 +++++++++++++++++-- > 1 file changed, 54 insertions(+), 6 deletions(-) > > diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec.c b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec.c > index ba742f0e391d..c2b64a528028 100644 > --- a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec.c > +++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec.c > @@ -80,21 +80,18 @@ static struct mtk_q_data *mtk_vdec_get_q_data(struct mtk_vcodec_dec_ctx *ctx, > return &ctx->q_data[MTK_Q_DATA_DST]; > } > > -static int vidioc_try_decoder_cmd(struct file *file, void *priv, > - struct v4l2_decoder_cmd *cmd) > +static int stateful_try_decoder_cmd(struct file *file, void *priv, struct v4l2_decoder_cmd *cmd) > { > return v4l2_m2m_ioctl_try_decoder_cmd(file, priv, cmd); > } > > - > -static int vidioc_decoder_cmd(struct file *file, void *priv, > - struct v4l2_decoder_cmd *cmd) > +static int stateful_decoder_cmd(struct file *file, void *priv, struct v4l2_decoder_cmd *cmd) > { > struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv); > struct vb2_queue *src_vq, *dst_vq; > int ret; > > - ret = vidioc_try_decoder_cmd(file, priv, cmd); > + ret = stateful_try_decoder_cmd(file, priv, cmd); > if (ret) > return ret; > > @@ -128,6 +125,57 @@ static int vidioc_decoder_cmd(struct file *file, void *priv, > return 0; > } > > +static int stateless_try_decoder_cmd(struct file *file, void *priv, struct v4l2_decoder_cmd *cmd) > +{ > + return v4l2_m2m_ioctl_stateless_try_decoder_cmd(file, priv, cmd); > +} > + > +static int stateless_decoder_cmd(struct file *file, void *priv, struct v4l2_decoder_cmd *cmd) > +{ > + struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv); > + int ret; > + > + ret = v4l2_m2m_ioctl_stateless_try_decoder_cmd(file, priv, cmd); > + if (ret) > + return ret; > + > + mtk_v4l2_vdec_dbg(3, ctx, "decoder cmd=%u", cmd->cmd); > + switch (cmd->cmd) { > + case V4L2_DEC_CMD_FLUSH: > + /* > + * If the flag of the output buffer is equals V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF, > + * this command will prevent dequeueing the capture buffer containing the last > + * decoded frame. Or do nothing > + */ > + break; > + default: > + mtk_v4l2_vdec_err(ctx, "invalid stateless decoder cmd=%u", cmd->cmd); > + return -EINVAL; > + } > + > + return 0; > +} > + > +static int vidioc_try_decoder_cmd(struct file *file, void *priv, struct v4l2_decoder_cmd *cmd) > +{ > + struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv); > + > + if (ctx->dev->vdec_pdata->uses_stateless_api) > + return stateless_try_decoder_cmd(file, priv, cmd); > + > + return stateful_try_decoder_cmd(file, priv, cmd); > +} > + > +static int vidioc_decoder_cmd(struct file *file, void *priv, struct v4l2_decoder_cmd *cmd) > +{ > + struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv); > + > + if (ctx->dev->vdec_pdata->uses_stateless_api) > + return stateless_decoder_cmd(file, priv, cmd); > + > + return stateful_decoder_cmd(file, priv, cmd); > +} > + > void mtk_vdec_unlock(struct mtk_vcodec_dec_ctx *ctx) > { > mutex_unlock(&ctx->dev->dec_mutex[ctx->hw_id]);
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