Re: [PATCH v2,5/7] media: mediatek: vcodec: Get get each instance format type

From: AngeloGioacchino Del Regno
Date: Wed Mar 22 2023 - 08:12:34 EST


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().

Regards,
Angelo