From 42a68012e67c2613e0570d462c5a0bd9a1527048 Mon Sep 17 00:00:00 2001 From: Philipp Zabel Date: Thu, 28 Jun 2018 11:47:08 -0400 Subject: media: coda: add read-only h.264 decoder profile/level controls The decoder profile/level controls initially can be used to determine supported profiles and levels. The values are set for a given stream once the headers are parsed. Signed-off-by: Philipp Zabel Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/coda/coda-common.c | 115 +++++++++++++++++++++++++++++- drivers/media/platform/coda/coda.h | 2 + 2 files changed, 116 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c index b86d704ae10c..f41f2035204d 100644 --- a/drivers/media/platform/coda/coda-common.c +++ b/drivers/media/platform/coda/coda-common.c @@ -1395,6 +1395,72 @@ static int coda_buf_prepare(struct vb2_buffer *vb) return 0; } +static void coda_update_menu_ctrl(struct v4l2_ctrl *ctrl, int value) +{ + if (!ctrl) + return; + + v4l2_ctrl_lock(ctrl); + + /* + * Extend the control range if the parsed stream contains a known but + * unsupported value or level. + */ + if (value > ctrl->maximum) { + __v4l2_ctrl_modify_range(ctrl, ctrl->minimum, value, + ctrl->menu_skip_mask & ~(1 << value), + ctrl->default_value); + } else if (value < ctrl->minimum) { + __v4l2_ctrl_modify_range(ctrl, value, ctrl->maximum, + ctrl->menu_skip_mask & ~(1 << value), + ctrl->default_value); + } + + __v4l2_ctrl_s_ctrl(ctrl, value); + + v4l2_ctrl_unlock(ctrl); +} + +static void coda_update_h264_profile_ctrl(struct coda_ctx *ctx) +{ + const char * const *profile_names; + int profile; + + profile = coda_h264_profile(ctx->params.h264_profile_idc); + if (profile < 0) { + v4l2_warn(&ctx->dev->v4l2_dev, "Invalid H264 Profile: %u\n", + ctx->params.h264_profile_idc); + return; + } + + coda_update_menu_ctrl(ctx->h264_profile_ctrl, profile); + + profile_names = v4l2_ctrl_get_menu(V4L2_CID_MPEG_VIDEO_H264_PROFILE); + + v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, "Parsed H264 Profile: %s\n", + profile_names[profile]); +} + +static void coda_update_h264_level_ctrl(struct coda_ctx *ctx) +{ + const char * const *level_names; + int level; + + level = coda_h264_level(ctx->params.h264_level_idc); + if (level < 0) { + v4l2_warn(&ctx->dev->v4l2_dev, "Invalid H264 Level: %u\n", + ctx->params.h264_level_idc); + return; + } + + coda_update_menu_ctrl(ctx->h264_level_ctrl, level); + + level_names = v4l2_ctrl_get_menu(V4L2_CID_MPEG_VIDEO_H264_LEVEL); + + v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev, "Parsed H264 Level: %s\n", + level_names[level]); +} + static void coda_buf_queue(struct vb2_buffer *vb) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); @@ -1423,8 +1489,11 @@ static void coda_buf_queue(struct vb2_buffer *vb) * whether to enable reordering during sequence * initialization. */ - if (!ctx->params.h264_profile_idc) + if (!ctx->params.h264_profile_idc) { coda_sps_parse_profile(ctx, vb); + coda_update_h264_profile_ctrl(ctx); + coda_update_h264_level_ctrl(ctx); + } } mutex_lock(&ctx->bitstream_mutex); @@ -1862,6 +1931,47 @@ static void coda_jpeg_encode_ctrls(struct coda_ctx *ctx) V4L2_CID_JPEG_RESTART_INTERVAL, 0, 100, 1, 0); } +static void coda_decode_ctrls(struct coda_ctx *ctx) +{ + u64 mask; + u8 max; + + ctx->h264_profile_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls, + &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_H264_PROFILE, + V4L2_MPEG_VIDEO_H264_PROFILE_HIGH, + ~((1 << V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE) | + (1 << V4L2_MPEG_VIDEO_H264_PROFILE_MAIN) | + (1 << V4L2_MPEG_VIDEO_H264_PROFILE_HIGH)), + V4L2_MPEG_VIDEO_H264_PROFILE_HIGH); + if (ctx->h264_profile_ctrl) + ctx->h264_profile_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; + + if (ctx->dev->devtype->product == CODA_HX4 || + ctx->dev->devtype->product == CODA_7541) { + max = V4L2_MPEG_VIDEO_H264_LEVEL_4_0; + mask = ~((1 << V4L2_MPEG_VIDEO_H264_LEVEL_2_0) | + (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_0) | + (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_1) | + (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_2) | + (1 << V4L2_MPEG_VIDEO_H264_LEVEL_4_0)); + } else if (ctx->dev->devtype->product == CODA_960) { + max = V4L2_MPEG_VIDEO_H264_LEVEL_4_1; + mask = ~((1 << V4L2_MPEG_VIDEO_H264_LEVEL_2_0) | + (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_0) | + (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_1) | + (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_2) | + (1 << V4L2_MPEG_VIDEO_H264_LEVEL_4_0) | + (1 << V4L2_MPEG_VIDEO_H264_LEVEL_4_1)); + } else { + return; + } + ctx->h264_level_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls, + &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_H264_LEVEL, max, mask, + max); + if (ctx->h264_level_ctrl) + ctx->h264_level_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; +} + static int coda_ctrls_setup(struct coda_ctx *ctx) { v4l2_ctrl_handler_init(&ctx->ctrls, 2); @@ -1875,6 +1985,9 @@ static int coda_ctrls_setup(struct coda_ctx *ctx) coda_jpeg_encode_ctrls(ctx); else coda_encode_ctrls(ctx); + } else { + if (ctx->cvd->src_formats[0] == V4L2_PIX_FMT_H264) + coda_decode_ctrls(ctx); } if (ctx->ctrls.error) { diff --git a/drivers/media/platform/coda/coda.h b/drivers/media/platform/coda/coda.h index c70cfab2433f..9f57f73161d6 100644 --- a/drivers/media/platform/coda/coda.h +++ b/drivers/media/platform/coda/coda.h @@ -214,6 +214,8 @@ struct coda_ctx { enum v4l2_quantization quantization; struct coda_params params; struct v4l2_ctrl_handler ctrls; + struct v4l2_ctrl *h264_profile_ctrl; + struct v4l2_ctrl *h264_level_ctrl; struct v4l2_fh fh; int gopcounter; int runcounter; -- cgit v1.2.3