Hi AngeloGioacchino Thanks for your suggestion. On Wed, 2023-03-22 at 13:12 +0100, AngeloGioacchino Del Regno wrote: > External email : Please do not click links or open attachments until > you have verified the sender or the content. > > > Il 22/03/23 10:46, Yunfei Dong ha scritto: > > Adding echo command to get capture and output queue format > > type:'echo -format > vdec' > > > > Signed-off-by: Yunfei Dong <yunfei.dong@xxxxxxxxxxxx> > > --- > > .../mediatek/vcodec/mtk_vcodec_dbgfs.c | 48 > > +++++++++++++++++++ > > .../mediatek/vcodec/mtk_vcodec_dbgfs.h | 1 + > > 2 files changed, 49 insertions(+) > > > > diff --git > > a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c > > b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c > > index 19a1dc068efd..1b1b4301a83d 100644 > > --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c > > +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c > > @@ -10,6 +10,48 @@ > > #include "mtk_vcodec_drv.h" > > #include "mtk_vcodec_util.h" > > > > +static void mtk_vdec_dbgfs_get_format_type(struct mtk_vcodec_ctx > > *ctx, char *buf, > > + int *used, int total) > > +{ > > + int curr_len; > > + > > + switch (ctx->current_codec) { > > + case V4L2_PIX_FMT_H264_SLICE: > > + curr_len = snprintf(buf + *used, total - *used, > > + "\toutput format: h264 slice\n"); > > Isn't this the same information that's also given by the > VIDIOC_ENUM_FMT ioctl? > > Check functions v4l_enum_fmt(), v4l_fill_fmtdesc(). > This patch used to get output and capture format for each instance. Maybe 2 ~ 49 instance to paly video at the same time. Need to know the format type for each instance. > Regards, > Angelo > Best Regards, Yunfei Dong >