From c566c78900acf38d6f2d004674b9cb062bbe3671 Mon Sep 17 00:00:00 2001 From: Philipp Zabel Date: Wed, 8 Aug 2012 11:59:38 -0300 Subject: [PATCH] [media] media: coda: add byte size slice limit control Signed-off-by: Philipp Zabel Tested-by: Javier Martin Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/coda.c | 29 +++++++++++++++++++++++------ 1 file changed, 23 insertions(+), 6 deletions(-) diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c index 23985b3447ac..bf8cb0a317bd 100644 --- a/drivers/media/platform/coda.c +++ b/drivers/media/platform/coda.c @@ -151,6 +151,7 @@ struct coda_params { enum v4l2_mpeg_video_multi_slice_mode slice_mode; u32 framerate; u16 bitrate; + u32 slice_max_bits; u32 slice_max_mb; }; @@ -1061,12 +1062,23 @@ static int coda_start_streaming(struct vb2_queue *q, unsigned int count) return -EINVAL; } - value = (ctx->params.slice_max_mb & CODA_SLICING_SIZE_MASK) << CODA_SLICING_SIZE_OFFSET; - value |= (1 & CODA_SLICING_UNIT_MASK) << CODA_SLICING_UNIT_OFFSET; - if (ctx->params.slice_mode == V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB) + switch (ctx->params.slice_mode) { + case V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE: + value = 0; + break; + case V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB: + value = (ctx->params.slice_max_mb & CODA_SLICING_SIZE_MASK) << CODA_SLICING_SIZE_OFFSET; + value |= (1 & CODA_SLICING_UNIT_MASK) << CODA_SLICING_UNIT_OFFSET; + value |= 1 & CODA_SLICING_MODE_MASK; + break; + case V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES: + value = (ctx->params.slice_max_bits & CODA_SLICING_SIZE_MASK) << CODA_SLICING_SIZE_OFFSET; + value |= (0 & CODA_SLICING_UNIT_MASK) << CODA_SLICING_UNIT_OFFSET; value |= 1 & CODA_SLICING_MODE_MASK; + break; + } coda_write(dev, value, CODA_CMD_ENC_SEQ_SLICE_MODE); - value = ctx->params.gop_size & CODA_GOP_SIZE_MASK; + value = ctx->params.gop_size & CODA_GOP_SIZE_MASK; coda_write(dev, value, CODA_CMD_ENC_SEQ_GOP_SIZE); if (ctx->params.bitrate) { @@ -1313,6 +1325,9 @@ static int coda_s_ctrl(struct v4l2_ctrl *ctrl) case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB: ctx->params.slice_max_mb = ctrl->val; break; + case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES: + ctx->params.slice_max_bits = ctrl->val * 8; + break; case V4L2_CID_MPEG_VIDEO_HEADER_MODE: break; default: @@ -1351,10 +1366,12 @@ static int coda_ctrls_setup(struct coda_ctx *ctx) V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP, 1, 31, 1, 2); v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE, - V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB, 0, - V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB); + V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES, 0x0, + V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE); v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB, 1, 0x3fffffff, 1, 1); + v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, + V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES, 1, 0x3fffffff, 1, 500); v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_HEADER_MODE, V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME, -- GitLab