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| author | Philipp Zabel <p.zabel@pengutronix.de> | 2015-07-10 16:37:52 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-07-17 17:24:05 +0300 |
| commit | da2b3b3e115d2793b5475039ca4d7f364135fcf4 (patch) | |
| tree | 077fd3984f6cffe1fc6a83efabe58837e1509820 /drivers/media/platform/coda/coda-common.c | |
| parent | 68aa7ee15cd683006ec1ac91ad60c019bf62d978 (diff) | |
| download | linux-da2b3b3e115d2793b5475039ca4d7f364135fcf4.tar.xz | |
[media] coda: implement VBV delay and buffer size controls
The encoder allows to specify the VBV model reference decoder's initial
delay and buffer size. Export the corresponding V4L2 controls.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/platform/coda/coda-common.c')
| -rw-r--r-- | drivers/media/platform/coda/coda-common.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c index 367b6baa8f31..24737f1a1a1b 100644 --- a/drivers/media/platform/coda/coda-common.c +++ b/drivers/media/platform/coda/coda-common.c @@ -1400,6 +1400,12 @@ static int coda_s_ctrl(struct v4l2_ctrl *ctrl) case V4L2_CID_JPEG_RESTART_INTERVAL: ctx->params.jpeg_restart_interval = ctrl->val; break; + case V4L2_CID_MPEG_VIDEO_VBV_DELAY: + ctx->params.vbv_delay = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_VBV_SIZE: + ctx->params.vbv_size = min(ctrl->val * 8192, 0x7fffffff); + break; default: v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, "Invalid control, id=%d, val=%d\n", @@ -1459,6 +1465,14 @@ static void coda_encode_ctrls(struct coda_ctx *ctx) v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB, 0, 1920 * 1088 / 256, 1, 0); + v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, + V4L2_CID_MPEG_VIDEO_VBV_DELAY, 0, 0x7fff, 1, 0); + /* + * The maximum VBV size value is 0x7fffffff bits, + * one bit less than 262144 KiB + */ + v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, + V4L2_CID_MPEG_VIDEO_VBV_SIZE, 0, 262144, 1, 0); } static void coda_jpeg_encode_ctrls(struct coda_ctx *ctx) |