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authorpanpan liu <panpan1.liu@samsung.com>2014-07-14 14:42:27 +0800
committerChanho Park <chanho61.park@samsung.com>2014-08-07 15:18:00 +0900
commit9a5a07c741b00481a48fa10559755e2f007e9d81 (patch)
tree49d9cda06d7a135e0ddd37a15018f00c5ad8f945
parent0061e87dbd33a176afd0d8408749dde6ad598dd4 (diff)
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s5p-mfc: limit the size of the CPB
The CPB size is limited by the hardware. Add this limit to the s_fmt. Change-Id: I4ffe90ac8b4de7aed8f396b3072d5db6ead9741c Signed-off-by: panpan liu <panpan1.liu@samsung.com>
-rwxr-xr-xdrivers/media/platform/s5p-mfc/s5p_mfc_dec.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
index 223064a3d0a..2dd5385a493 100755
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
@@ -413,6 +413,7 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
int ret = 0;
struct s5p_mfc_fmt *fmt;
struct v4l2_pix_format_mplane *pix_mp;
+ struct s5p_mfc_buf_size *buf_size = dev->variant->buf_size;
mfc_debug_enter();
ret = vidioc_try_fmt(file, priv, f);
@@ -466,11 +467,13 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode);
pix_mp->height = 0;
pix_mp->width = 0;
- if (pix_mp->plane_fmt[0].sizeimage)
- ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage;
- else
+ if (pix_mp->plane_fmt[0].sizeimage == 0)
pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size =
DEF_CPB_SIZE;
+ else if (pix_mp->plane_fmt[0].sizeimage > buf_size->cpb)
+ ctx->dec_src_buf_size = buf_size->cpb;
+ else
+ ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage;
pix_mp->plane_fmt[0].bytesperline = 0;
ctx->state = MFCINST_INIT;
out: