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[media] media: venus: vdec: add video decoder files 

This consists of video decoder implementation plus decoder
controls.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Stanimir Varbanov 2017-06-15 13:31:46 -03:00 committed by Mauro Carvalho Chehab
parent af2c3834c8
commit 7472c1c691
3 changed files with 1327 additions and 0 deletions
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1154
drivers/media/platform/qcom/venus/vdec.c Normal file
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23
drivers/media/platform/qcom/venus/vdec.h Normal file
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/*
* Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
* Copyright (C) 2017 Linaro Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef __VENUS_VDEC_H__
#define __VENUS_VDEC_H__
struct venus_inst;
int vdec_ctrl_init(struct venus_inst *inst);
void vdec_ctrl_deinit(struct venus_inst *inst);
#endif

150
drivers/media/platform/qcom/venus/vdec_ctrls.c Normal file
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/*
* Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
* Copyright (C) 2017 Linaro Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <linux/types.h>
#include <media/v4l2-ctrls.h>
#include "core.h"
#include "vdec.h"
static int vdec_op_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct venus_inst *inst = ctrl_to_inst(ctrl);
struct vdec_controls *ctr = &inst->controls.dec;
switch (ctrl->id) {
case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER:
ctr->post_loop_deb_mode = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
case V4L2_CID_MPEG_VIDEO_VPX_PROFILE:
ctr->profile = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
ctr->level = ctrl->val;
break;
default:
return -EINVAL;
}
return 0;
}
static int vdec_op_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
{
struct venus_inst *inst = ctrl_to_inst(ctrl);
struct vdec_controls *ctr = &inst->controls.dec;
union hfi_get_property hprop;
u32 ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT;
int ret;
switch (ctrl->id) {
case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
case V4L2_CID_MPEG_VIDEO_VPX_PROFILE:
ret = hfi_session_get_property(inst, ptype, &hprop);
if (!ret)
ctr->profile = hprop.profile_level.profile;
ctrl->val = ctr->profile;
break;
case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
ret = hfi_session_get_property(inst, ptype, &hprop);
if (!ret)
ctr->level = hprop.profile_level.level;
ctrl->val = ctr->level;
break;
case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER:
ctrl->val = ctr->post_loop_deb_mode;
break;
default:
return -EINVAL;
};
return 0;
}
static const struct v4l2_ctrl_ops vdec_ctrl_ops = {
.s_ctrl = vdec_op_s_ctrl,
.g_volatile_ctrl = vdec_op_g_volatile_ctrl,
};
int vdec_ctrl_init(struct venus_inst *inst)
{
struct v4l2_ctrl *ctrl;
int ret;
ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 6);
if (ret)
return ret;
ctrl = v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &vdec_ctrl_ops,
V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_CODING_EFFICIENCY,
~((1 << V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE) |
(1 << V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_SIMPLE)),
V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE);
if (ctrl)
ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
ctrl = v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &vdec_ctrl_ops,
V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
V4L2_MPEG_VIDEO_MPEG4_LEVEL_5,
0, V4L2_MPEG_VIDEO_MPEG4_LEVEL_0);
if (ctrl)
ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
ctrl = v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &vdec_ctrl_ops,
V4L2_CID_MPEG_VIDEO_H264_PROFILE,
V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH,
~((1 << V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE) |
(1 << V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE) |
(1 << V4L2_MPEG_VIDEO_H264_PROFILE_MAIN) |
(1 << V4L2_MPEG_VIDEO_H264_PROFILE_HIGH) |
(1 << V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH) |
(1 << V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH)),
V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE);
if (ctrl)
ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
ctrl = v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &vdec_ctrl_ops,
V4L2_CID_MPEG_VIDEO_H264_LEVEL,
V4L2_MPEG_VIDEO_H264_LEVEL_5_1,
0, V4L2_MPEG_VIDEO_H264_LEVEL_1_0);
if (ctrl)
ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
ctrl = v4l2_ctrl_new_std(&inst->ctrl_handler, &vdec_ctrl_ops,
V4L2_CID_MPEG_VIDEO_VPX_PROFILE, 0, 3, 1, 0);
if (ctrl)
ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
v4l2_ctrl_new_std(&inst->ctrl_handler, &vdec_ctrl_ops,
V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER, 0, 1, 1, 0);
ret = inst->ctrl_handler.error;
if (ret) {
v4l2_ctrl_handler_free(&inst->ctrl_handler);
return ret;
}
return 0;
}
void vdec_ctrl_deinit(struct venus_inst *inst)
{
v4l2_ctrl_handler_free(&inst->ctrl_handler);
}