diff options
| author | Philipp Zabel <p.zabel@pengutronix.de> | 2014-07-11 06:36:27 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-07-22 12:04:03 -0300 |
| commit | de23b1db6567e69cd2aa04ade029e50ffc1dc7e2 (patch) | |
| tree | 785dbd9d35a4b2e7e2fafea7b4017bce54d7c998 /drivers/media/platform | |
| parent | 1a5567e3e011ad7eaf3783431c2e14d6674d76ba (diff) | |
[media] coda: add h.264 deblocking filter controls
This adds controls for the h.264 deblocking loop filter.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/platform')
| -rw-r--r-- | drivers/media/platform/coda.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c index c4a6cabe123e..e675cd717bd3 100644 --- a/drivers/media/platform/coda.c +++ b/drivers/media/platform/coda.c @@ -161,6 +161,9 @@ struct coda_params { u8 h264_inter_qp; u8 h264_min_qp; u8 h264_max_qp; + u8 h264_deblk_enabled; + u8 h264_deblk_alpha; + u8 h264_deblk_beta; u8 mpeg4_intra_qp; u8 mpeg4_inter_qp; u8 gop_size; @@ -2326,7 +2329,17 @@ static int coda_start_encoding(struct coda_ctx *ctx) coda_write(dev, CODA9_STD_H264, CODA_CMD_ENC_SEQ_COD_STD); else coda_write(dev, CODA_STD_H264, CODA_CMD_ENC_SEQ_COD_STD); - coda_write(dev, 0, CODA_CMD_ENC_SEQ_264_PARA); + if (ctx->params.h264_deblk_enabled) { + value = ((ctx->params.h264_deblk_alpha & + CODA_264PARAM_DEBLKFILTEROFFSETALPHA_MASK) << + CODA_264PARAM_DEBLKFILTEROFFSETALPHA_OFFSET) | + ((ctx->params.h264_deblk_beta & + CODA_264PARAM_DEBLKFILTEROFFSETBETA_MASK) << + CODA_264PARAM_DEBLKFILTEROFFSETBETA_OFFSET); + } else { + value = 1 << CODA_264PARAM_DISABLEDEBLK_OFFSET; + } + coda_write(dev, value, CODA_CMD_ENC_SEQ_264_PARA); break; default: v4l2_err(v4l2_dev, @@ -2638,6 +2651,16 @@ static int coda_s_ctrl(struct v4l2_ctrl *ctrl) case V4L2_CID_MPEG_VIDEO_H264_MAX_QP: ctx->params.h264_max_qp = ctrl->val; break; + case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA: + ctx->params.h264_deblk_alpha = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA: + ctx->params.h264_deblk_beta = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE: + ctx->params.h264_deblk_enabled = (ctrl->val == + V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED); + break; case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP: ctx->params.mpeg4_intra_qp = ctrl->val; break; @@ -2692,6 +2715,14 @@ static int coda_ctrls_setup(struct coda_ctx *ctx) v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_H264_MAX_QP, 0, 51, 1, 51); v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, + V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA, 0, 15, 1, 0); + v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, + V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA, 0, 15, 1, 0); + v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops, + V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE, + V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED, 0x0, + V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED); + v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP, 1, 31, 1, 2); v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP, 1, 31, 1, 2); |