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ubuntu-linux-kernel/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c

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/*
* Copyright (c) 2016 MediaTek Inc.
* Author: PC Chen <pc.chen@mediatek.com>
* Tiffany Lin <tiffany.lin@mediatek.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License 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 <media/v4l2-event.h>
#include <media/v4l2-mem2mem.h>
#include <media/videobuf2-dma-contig.h>
#include <soc/mediatek/smi.h>
#include "mtk_vcodec_drv.h"
#include "mtk_vcodec_enc.h"
#include "mtk_vcodec_intr.h"
#include "mtk_vcodec_util.h"
#include "venc_drv_if.h"
#define MTK_VENC_MIN_W 160U
#define MTK_VENC_MIN_H 128U
#define MTK_VENC_MAX_W 1920U
#define MTK_VENC_MAX_H 1088U
#define DFT_CFG_WIDTH MTK_VENC_MIN_W
#define DFT_CFG_HEIGHT MTK_VENC_MIN_H
#define MTK_MAX_CTRLS_HINT 20
#define OUT_FMT_IDX 0
#define CAP_FMT_IDX 4
static void mtk_venc_worker(struct work_struct *work);
static struct mtk_video_fmt mtk_video_formats[] = {
{
.fourcc = V4L2_PIX_FMT_NV12M,
.type = MTK_FMT_FRAME,
.num_planes = 2,
},
{
.fourcc = V4L2_PIX_FMT_NV21M,
.type = MTK_FMT_FRAME,
.num_planes = 2,
},
{
.fourcc = V4L2_PIX_FMT_YUV420M,
.type = MTK_FMT_FRAME,
.num_planes = 3,
},
{
.fourcc = V4L2_PIX_FMT_YVU420M,
.type = MTK_FMT_FRAME,
.num_planes = 3,
},
{
.fourcc = V4L2_PIX_FMT_H264,
.type = MTK_FMT_ENC,
.num_planes = 1,
},
{
.fourcc = V4L2_PIX_FMT_VP8,
.type = MTK_FMT_ENC,
.num_planes = 1,
},
};
#define NUM_FORMATS ARRAY_SIZE(mtk_video_formats)
static const struct mtk_codec_framesizes mtk_venc_framesizes[] = {
{
.fourcc = V4L2_PIX_FMT_H264,
.stepwise = { MTK_VENC_MIN_W, MTK_VENC_MAX_W, 16,
MTK_VENC_MIN_H, MTK_VENC_MAX_H, 16 },
},
{
.fourcc = V4L2_PIX_FMT_VP8,
.stepwise = { MTK_VENC_MIN_W, MTK_VENC_MAX_W, 16,
MTK_VENC_MIN_H, MTK_VENC_MAX_H, 16 },
},
};
#define NUM_SUPPORTED_FRAMESIZE ARRAY_SIZE(mtk_venc_framesizes)
static int vidioc_venc_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct mtk_vcodec_ctx *ctx = ctrl_to_ctx(ctrl);
struct mtk_enc_params *p = &ctx->enc_params;
int ret = 0;
switch (ctrl->id) {
case V4L2_CID_MPEG_VIDEO_BITRATE:
mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_BITRATE val = %d",
ctrl->val);
p->bitrate = ctrl->val;
ctx->param_change |= MTK_ENCODE_PARAM_BITRATE;
break;
case V4L2_CID_MPEG_VIDEO_B_FRAMES:
mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_B_FRAMES val = %d",
ctrl->val);
p->num_b_frame = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE:
mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE val = %d",
ctrl->val);
p->rc_frame = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_H264_MAX_QP val = %d",
ctrl->val);
p->h264_max_qp = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_HEADER_MODE val = %d",
ctrl->val);
p->seq_hdr_mode = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE:
mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE val = %d",
ctrl->val);
p->rc_mb = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_H264_PROFILE val = %d",
ctrl->val);
p->h264_profile = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_H264_LEVEL val = %d",
ctrl->val);
p->h264_level = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_H264_I_PERIOD:
mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_H264_I_PERIOD val = %d",
ctrl->val);
p->intra_period = ctrl->val;
ctx->param_change |= MTK_ENCODE_PARAM_INTRA_PERIOD;
break;
case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_GOP_SIZE val = %d",
ctrl->val);
p->gop_size = ctrl->val;
ctx->param_change |= MTK_ENCODE_PARAM_GOP_SIZE;
break;
case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME:
mtk_v4l2_debug(2, "V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME");
p->force_intra = 1;
ctx->param_change |= MTK_ENCODE_PARAM_FORCE_INTRA;
break;
default:
ret = -EINVAL;
break;
}
return ret;
}
static const struct v4l2_ctrl_ops mtk_vcodec_enc_ctrl_ops = {
.s_ctrl = vidioc_venc_s_ctrl,
};
static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, bool output_queue)
{
struct mtk_video_fmt *fmt;
int i, j = 0;
for (i = 0; i < NUM_FORMATS; ++i) {
if (output_queue && mtk_video_formats[i].type != MTK_FMT_FRAME)
continue;
if (!output_queue && mtk_video_formats[i].type != MTK_FMT_ENC)
continue;
if (j == f->index) {
fmt = &mtk_video_formats[i];
f->pixelformat = fmt->fourcc;
memset(f->reserved, 0, sizeof(f->reserved));
return 0;
}
++j;
}
return -EINVAL;
}
static int vidioc_enum_framesizes(struct file *file, void *fh,
struct v4l2_frmsizeenum *fsize)
{
int i = 0;
if (fsize->index != 0)
return -EINVAL;
for (i = 0; i < NUM_SUPPORTED_FRAMESIZE; ++i) {
if (fsize->pixel_format != mtk_venc_framesizes[i].fourcc)
continue;
fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
fsize->stepwise = mtk_venc_framesizes[i].stepwise;
return 0;
}
return -EINVAL;
}
static int vidioc_enum_fmt_vid_cap_mplane(struct file *file, void *pirv,
struct v4l2_fmtdesc *f)
{
return vidioc_enum_fmt(f, false);
}
static int vidioc_enum_fmt_vid_out_mplane(struct file *file, void *prov,
struct v4l2_fmtdesc *f)
{
return vidioc_enum_fmt(f, true);
}
static int vidioc_venc_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
strlcpy(cap->driver, MTK_VCODEC_ENC_NAME, sizeof(cap->driver));
strlcpy(cap->bus_info, MTK_PLATFORM_STR, sizeof(cap->bus_info));
strlcpy(cap->card, MTK_PLATFORM_STR, sizeof(cap->card));
return 0;
}
static int vidioc_venc_s_parm(struct file *file, void *priv,
struct v4l2_streamparm *a)
{
struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
return -EINVAL;
ctx->enc_params.framerate_num =
a->parm.output.timeperframe.denominator;
ctx->enc_params.framerate_denom =
a->parm.output.timeperframe.numerator;
ctx->param_change |= MTK_ENCODE_PARAM_FRAMERATE;
a->parm.output.capability = V4L2_CAP_TIMEPERFRAME;
return 0;
}
static int vidioc_venc_g_parm(struct file *file, void *priv,
struct v4l2_streamparm *a)
{
struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
return -EINVAL;
a->parm.output.capability = V4L2_CAP_TIMEPERFRAME;
a->parm.output.timeperframe.denominator =
ctx->enc_params.framerate_num;
a->parm.output.timeperframe.numerator =
ctx->enc_params.framerate_denom;
return 0;
}
static struct mtk_q_data *mtk_venc_get_q_data(struct mtk_vcodec_ctx *ctx,
enum v4l2_buf_type type)
{
if (V4L2_TYPE_IS_OUTPUT(type))
return &ctx->q_data[MTK_Q_DATA_SRC];
return &ctx->q_data[MTK_Q_DATA_DST];
}
static struct mtk_video_fmt *mtk_venc_find_format(struct v4l2_format *f)
{
struct mtk_video_fmt *fmt;
unsigned int k;
for (k = 0; k < NUM_FORMATS; k++) {
fmt = &mtk_video_formats[k];
if (fmt->fourcc == f->fmt.pix.pixelformat)
return fmt;
}
return NULL;
}
/* V4L2 specification suggests the driver corrects the format struct if any of
* the dimensions is unsupported
*/
static int vidioc_try_fmt(struct v4l2_format *f, struct mtk_video_fmt *fmt)
{
struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
int i;
pix_fmt_mp->field = V4L2_FIELD_NONE;
if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
pix_fmt_mp->num_planes = 1;
pix_fmt_mp->plane_fmt[0].bytesperline = 0;
} else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
int tmp_w, tmp_h;
pix_fmt_mp->height = clamp(pix_fmt_mp->height,
MTK_VENC_MIN_H,
MTK_VENC_MAX_H);
pix_fmt_mp->width = clamp(pix_fmt_mp->width,
MTK_VENC_MIN_W,
MTK_VENC_MAX_W);
/* find next closer width align 16, heign align 32, size align
* 64 rectangle
*/
tmp_w = pix_fmt_mp->width;
tmp_h = pix_fmt_mp->height;
v4l_bound_align_image(&pix_fmt_mp->width,
MTK_VENC_MIN_W,
MTK_VENC_MAX_W, 4,
&pix_fmt_mp->height,
MTK_VENC_MIN_H,
MTK_VENC_MAX_H, 5, 6);
if (pix_fmt_mp->width < tmp_w &&
(pix_fmt_mp->width + 16) <= MTK_VENC_MAX_W)
pix_fmt_mp->width += 16;
if (pix_fmt_mp->height < tmp_h &&
(pix_fmt_mp->height + 32) <= MTK_VENC_MAX_H)
pix_fmt_mp->height += 32;
mtk_v4l2_debug(0,
"before resize width=%d, height=%d, after resize width=%d, height=%d, sizeimage=%d %d",
tmp_w, tmp_h, pix_fmt_mp->width,
pix_fmt_mp->height,
pix_fmt_mp->plane_fmt[0].sizeimage,
pix_fmt_mp->plane_fmt[1].sizeimage);
pix_fmt_mp->num_planes = fmt->num_planes;
pix_fmt_mp->plane_fmt[0].sizeimage =
pix_fmt_mp->width * pix_fmt_mp->height +
((ALIGN(pix_fmt_mp->width, 16) * 2) * 16);
pix_fmt_mp->plane_fmt[0].bytesperline = pix_fmt_mp->width;
if (pix_fmt_mp->num_planes == 2) {
pix_fmt_mp->plane_fmt[1].sizeimage =
(pix_fmt_mp->width * pix_fmt_mp->height) / 2 +
(ALIGN(pix_fmt_mp->width, 16) * 16);
pix_fmt_mp->plane_fmt[2].sizeimage = 0;
pix_fmt_mp->plane_fmt[1].bytesperline =
pix_fmt_mp->width;
pix_fmt_mp->plane_fmt[2].bytesperline = 0;
} else if (pix_fmt_mp->num_planes == 3) {
pix_fmt_mp->plane_fmt[1].sizeimage =
pix_fmt_mp->plane_fmt[2].sizeimage =
(pix_fmt_mp->width * pix_fmt_mp->height) / 4 +
((ALIGN(pix_fmt_mp->width, 16) / 2) * 16);
pix_fmt_mp->plane_fmt[1].bytesperline =
pix_fmt_mp->plane_fmt[2].bytesperline =
pix_fmt_mp->width / 2;
}
}
for (i = 0; i < pix_fmt_mp->num_planes; i++)
memset(&(pix_fmt_mp->plane_fmt[i].reserved[0]), 0x0,
sizeof(pix_fmt_mp->plane_fmt[0].reserved));
pix_fmt_mp->flags = 0;
memset(&pix_fmt_mp->reserved, 0x0,
sizeof(pix_fmt_mp->reserved));
return 0;
}
static void mtk_venc_set_param(struct mtk_vcodec_ctx *ctx,
struct venc_enc_param *param)
{
struct mtk_q_data *q_data_src = &ctx->q_data[MTK_Q_DATA_SRC];
struct mtk_enc_params *enc_params = &ctx->enc_params;
switch (q_data_src->fmt->fourcc) {
case V4L2_PIX_FMT_YUV420M:
param->input_yuv_fmt = VENC_YUV_FORMAT_I420;
break;
case V4L2_PIX_FMT_YVU420M:
param->input_yuv_fmt = VENC_YUV_FORMAT_YV12;
break;
case V4L2_PIX_FMT_NV12M:
param->input_yuv_fmt = VENC_YUV_FORMAT_NV12;
break;
case V4L2_PIX_FMT_NV21M:
param->input_yuv_fmt = VENC_YUV_FORMAT_NV21;
break;
default:
mtk_v4l2_err("Unsupport fourcc =%d", q_data_src->fmt->fourcc);
break;
}
param->h264_profile = enc_params->h264_profile;
param->h264_level = enc_params->h264_level;
/* Config visible resolution */
param->width = q_data_src->visible_width;
param->height = q_data_src->visible_height;
/* Config coded resolution */
param->buf_width = q_data_src->coded_width;
param->buf_height = q_data_src->coded_height;
param->frm_rate = enc_params->framerate_num /
enc_params->framerate_denom;
param->intra_period = enc_params->intra_period;
param->gop_size = enc_params->gop_size;
param->bitrate = enc_params->bitrate;
mtk_v4l2_debug(0,
"fmt 0x%x, P/L %d/%d, w/h %d/%d, buf %d/%d, fps/bps %d/%d, gop %d, i_period %d",
param->input_yuv_fmt, param->h264_profile,
param->h264_level, param->width, param->height,
param->buf_width, param->buf_height,
param->frm_rate, param->bitrate,
param->gop_size, param->intra_period);
}
static int vidioc_venc_s_fmt_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
struct vb2_queue *vq;
struct mtk_q_data *q_data;
int i, ret;
struct mtk_video_fmt *fmt;
vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
if (!vq) {
mtk_v4l2_err("fail to get vq");
return -EINVAL;
}
if (vb2_is_busy(vq)) {
mtk_v4l2_err("queue busy");
return -EBUSY;
}
q_data = mtk_venc_get_q_data(ctx, f->type);
if (!q_data) {
mtk_v4l2_err("fail to get q data");
return -EINVAL;
}
fmt = mtk_venc_find_format(f);
if (!fmt) {
f->fmt.pix.pixelformat = mtk_video_formats[CAP_FMT_IDX].fourcc;
fmt = mtk_venc_find_format(f);
}
q_data->fmt = fmt;
ret = vidioc_try_fmt(f, q_data->fmt);
if (ret)
return ret;
q_data->coded_width = f->fmt.pix_mp.width;
q_data->coded_height = f->fmt.pix_mp.height;
q_data->field = f->fmt.pix_mp.field;
for (i = 0; i < f->fmt.pix_mp.num_planes; i++) {
struct v4l2_plane_pix_format *plane_fmt;
plane_fmt = &f->fmt.pix_mp.plane_fmt[i];
q_data->bytesperline[i] = plane_fmt->bytesperline;
q_data->sizeimage[i] = plane_fmt->sizeimage;
}
if (ctx->state == MTK_STATE_FREE) {
ret = venc_if_init(ctx, q_data->fmt->fourcc);
if (ret) {
mtk_v4l2_err("venc_if_init failed=%d, codec type=%x",
ret, q_data->fmt->fourcc);
return -EBUSY;
}
ctx->state = MTK_STATE_INIT;
}
return 0;
}
static int vidioc_venc_s_fmt_out(struct file *file, void *priv,
struct v4l2_format *f)
{
struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
struct vb2_queue *vq;
struct mtk_q_data *q_data;
int ret, i;
struct mtk_video_fmt *fmt;
struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
if (!vq) {
mtk_v4l2_err("fail to get vq");
return -EINVAL;
}
if (vb2_is_busy(vq)) {
mtk_v4l2_err("queue busy");
return -EBUSY;
}
q_data = mtk_venc_get_q_data(ctx, f->type);
if (!q_data) {
mtk_v4l2_err("fail to get q data");
return -EINVAL;
}
fmt = mtk_venc_find_format(f);
if (!fmt) {
f->fmt.pix.pixelformat = mtk_video_formats[OUT_FMT_IDX].fourcc;
fmt = mtk_venc_find_format(f);
}
pix_fmt_mp->height = clamp(pix_fmt_mp->height,
MTK_VENC_MIN_H,
MTK_VENC_MAX_H);
pix_fmt_mp->width = clamp(pix_fmt_mp->width,
MTK_VENC_MIN_W,
MTK_VENC_MAX_W);
q_data->visible_width = f->fmt.pix_mp.width;
q_data->visible_height = f->fmt.pix_mp.height;
q_data->fmt = fmt;
ret = vidioc_try_fmt(f, q_data->fmt);
if (ret)
return ret;
q_data->coded_width = f->fmt.pix_mp.width;
q_data->coded_height = f->fmt.pix_mp.height;
q_data->field = f->fmt.pix_mp.field;
ctx->colorspace = f->fmt.pix_mp.colorspace;
ctx->ycbcr_enc = f->fmt.pix_mp.ycbcr_enc;
ctx->quantization = f->fmt.pix_mp.quantization;
ctx->xfer_func = f->fmt.pix_mp.xfer_func;
for (i = 0; i < f->fmt.pix_mp.num_planes; i++) {
struct v4l2_plane_pix_format *plane_fmt;
plane_fmt = &f->fmt.pix_mp.plane_fmt[i];
q_data->bytesperline[i] = plane_fmt->bytesperline;
q_data->sizeimage[i] = plane_fmt->sizeimage;
}
return 0;
}
static int vidioc_venc_g_fmt(struct file *file, void *priv,
struct v4l2_format *f)
{
struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
struct vb2_queue *vq;
struct mtk_q_data *q_data;
int i;
vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
if (!vq)
return -EINVAL;
q_data = mtk_venc_get_q_data(ctx, f->type);
pix->width = q_data->coded_width;
pix->height = q_data->coded_height;
pix->pixelformat = q_data->fmt->fourcc;
pix->field = q_data->field;
pix->num_planes = q_data->fmt->num_planes;
for (i = 0; i < pix->num_planes; i++) {
pix->plane_fmt[i].bytesperline = q_data->bytesperline[i];
pix->plane_fmt[i].sizeimage = q_data->sizeimage[i];
memset(&(pix->plane_fmt[i].reserved[0]), 0x0,
sizeof(pix->plane_fmt[i].reserved));
}
pix->flags = 0;
pix->colorspace = ctx->colorspace;
pix->ycbcr_enc = ctx->ycbcr_enc;
pix->quantization = ctx->quantization;
pix->xfer_func = ctx->xfer_func;
return 0;
}
static int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv,
struct v4l2_format *f)
{
struct mtk_video_fmt *fmt;
struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
fmt = mtk_venc_find_format(f);
if (!fmt) {
f->fmt.pix.pixelformat = mtk_video_formats[CAP_FMT_IDX].fourcc;
fmt = mtk_venc_find_format(f);
}
f->fmt.pix_mp.colorspace = ctx->colorspace;
f->fmt.pix_mp.ycbcr_enc = ctx->ycbcr_enc;
f->fmt.pix_mp.quantization = ctx->quantization;
f->fmt.pix_mp.xfer_func = ctx->xfer_func;
return vidioc_try_fmt(f, fmt);
}
static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
struct v4l2_format *f)
{
struct mtk_video_fmt *fmt;
fmt = mtk_venc_find_format(f);
if (!fmt) {
f->fmt.pix.pixelformat = mtk_video_formats[OUT_FMT_IDX].fourcc;
fmt = mtk_venc_find_format(f);
}
if (!f->fmt.pix_mp.colorspace) {
f->fmt.pix_mp.colorspace = V4L2_COLORSPACE_REC709;
f->fmt.pix_mp.ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
f->fmt.pix_mp.quantization = V4L2_QUANTIZATION_DEFAULT;
f->fmt.pix_mp.xfer_func = V4L2_XFER_FUNC_DEFAULT;
}
return vidioc_try_fmt(f, fmt);
}
static int vidioc_venc_g_selection(struct file *file, void *priv,
struct v4l2_selection *s)
{
struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
struct mtk_q_data *q_data;
if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
return -EINVAL;
q_data = mtk_venc_get_q_data(ctx, s->type);
if (!q_data)
return -EINVAL;
switch (s->target) {
case V4L2_SEL_TGT_CROP_DEFAULT:
case V4L2_SEL_TGT_CROP_BOUNDS:
s->r.top = 0;
s->r.left = 0;
s->r.width = q_data->coded_width;
s->r.height = q_data->coded_height;
break;
case V4L2_SEL_TGT_CROP:
s->r.top = 0;
s->r.left = 0;
s->r.width = q_data->visible_width;
s->r.height = q_data->visible_height;
break;
default:
return -EINVAL;
}
return 0;
}
static int vidioc_venc_s_selection(struct file *file, void *priv,
struct v4l2_selection *s)
{
struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
struct mtk_q_data *q_data;
if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
return -EINVAL;
q_data = mtk_venc_get_q_data(ctx, s->type);
if (!q_data)
return -EINVAL;
switch (s->target) {
case V4L2_SEL_TGT_CROP:
/* Only support crop from (0,0) */
s->r.top = 0;
s->r.left = 0;
s->r.width = min(s->r.width, q_data->coded_width);
s->r.height = min(s->r.height, q_data->coded_height);
q_data->visible_width = s->r.width;
q_data->visible_height = s->r.height;
break;
default:
return -EINVAL;
}
return 0;
}
static int vidioc_venc_qbuf(struct file *file, void *priv,
struct v4l2_buffer *buf)
{
struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
if (ctx->state == MTK_STATE_ABORT) {
mtk_v4l2_err("[%d] Call on QBUF after unrecoverable error",
ctx->id);
return -EIO;
}
return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf);
}
static int vidioc_venc_dqbuf(struct file *file, void *priv,
struct v4l2_buffer *buf)
{
struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
if (ctx->state == MTK_STATE_ABORT) {
mtk_v4l2_err("[%d] Call on QBUF after unrecoverable error",
ctx->id);
return -EIO;
}
return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
}
const struct v4l2_ioctl_ops mtk_venc_ioctl_ops = {
.vidioc_streamon = v4l2_m2m_ioctl_streamon,
.vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
.vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
.vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
.vidioc_qbuf = vidioc_venc_qbuf,
.vidioc_dqbuf = vidioc_venc_dqbuf,
.vidioc_querycap = vidioc_venc_querycap,
.vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane,
.vidioc_enum_fmt_vid_out_mplane = vidioc_enum_fmt_vid_out_mplane,
.vidioc_enum_framesizes = vidioc_enum_framesizes,
.vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt_vid_cap_mplane,
.vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt_vid_out_mplane,
.vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
.vidioc_s_parm = vidioc_venc_s_parm,
.vidioc_g_parm = vidioc_venc_g_parm,
.vidioc_s_fmt_vid_cap_mplane = vidioc_venc_s_fmt_cap,
.vidioc_s_fmt_vid_out_mplane = vidioc_venc_s_fmt_out,
.vidioc_g_fmt_vid_cap_mplane = vidioc_venc_g_fmt,
.vidioc_g_fmt_vid_out_mplane = vidioc_venc_g_fmt,
.vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
.vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
.vidioc_g_selection = vidioc_venc_g_selection,
.vidioc_s_selection = vidioc_venc_s_selection,
};
static int vb2ops_venc_queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers,
unsigned int *nplanes,
unsigned int sizes[],
struct device *alloc_devs[])
{
struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vq);
struct mtk_q_data *q_data;
unsigned int i;
q_data = mtk_venc_get_q_data(ctx, vq->type);
if (q_data == NULL)
return -EINVAL;
if (*nplanes) {
for (i = 0; i < *nplanes; i++)
if (sizes[i] < q_data->sizeimage[i])
return -EINVAL;
} else {
*nplanes = q_data->fmt->num_planes;
for (i = 0; i < *nplanes; i++)
sizes[i] = q_data->sizeimage[i];
}
return 0;
}
static int vb2ops_venc_buf_prepare(struct vb2_buffer *vb)
{
struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
struct mtk_q_data *q_data;
int i;
q_data = mtk_venc_get_q_data(ctx, vb->vb2_queue->type);
for (i = 0; i < q_data->fmt->num_planes; i++) {
if (vb2_plane_size(vb, i) < q_data->sizeimage[i]) {
mtk_v4l2_err("data will not fit into plane %d (%lu < %d)",
i, vb2_plane_size(vb, i),
q_data->sizeimage[i]);
return -EINVAL;
}
}
return 0;
}
static void vb2ops_venc_buf_queue(struct vb2_buffer *vb)
{
struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
struct vb2_v4l2_buffer *vb2_v4l2 =
container_of(vb, struct vb2_v4l2_buffer, vb2_buf);
struct mtk_video_enc_buf *mtk_buf =
container_of(vb2_v4l2, struct mtk_video_enc_buf, vb);
if ((vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) &&
(ctx->param_change != MTK_ENCODE_PARAM_NONE)) {
mtk_v4l2_debug(1, "[%d] Before id=%d encode parameter change %x",
ctx->id,
mtk_buf->vb.vb2_buf.index,
ctx->param_change);
mtk_buf->param_change = ctx->param_change;
mtk_buf->enc_params = ctx->enc_params;
ctx->param_change = MTK_ENCODE_PARAM_NONE;
}
v4l2_m2m_buf_queue(ctx->m2m_ctx, to_vb2_v4l2_buffer(vb));
}
static int vb2ops_venc_start_streaming(struct vb2_queue *q, unsigned int count)
{
struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(q);
struct venc_enc_param param;
int ret;
int i;
/* Once state turn into MTK_STATE_ABORT, we need stop_streaming
* to clear it
*/
if ((ctx->state == MTK_STATE_ABORT) || (ctx->state == MTK_STATE_FREE)) {
ret = -EIO;
goto err_set_param;
}
/* Do the initialization when both start_streaming have been called */
if (V4L2_TYPE_IS_OUTPUT(q->type)) {
if (!vb2_start_streaming_called(&ctx->m2m_ctx->cap_q_ctx.q))
return 0;
} else {
if (!vb2_start_streaming_called(&ctx->m2m_ctx->out_q_ctx.q))
return 0;
}
mtk_venc_set_param(ctx, &param);
ret = venc_if_set_param(ctx, VENC_SET_PARAM_ENC, &param);
if (ret) {
mtk_v4l2_err("venc_if_set_param failed=%d", ret);
ctx->state = MTK_STATE_ABORT;
goto err_set_param;
}
ctx->param_change = MTK_ENCODE_PARAM_NONE;
if ((ctx->q_data[MTK_Q_DATA_DST].fmt->fourcc == V4L2_PIX_FMT_H264) &&
(ctx->enc_params.seq_hdr_mode !=
V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE)) {
ret = venc_if_set_param(ctx,
VENC_SET_PARAM_PREPEND_HEADER,
NULL);
if (ret) {
mtk_v4l2_err("venc_if_set_param failed=%d", ret);
ctx->state = MTK_STATE_ABORT;
goto err_set_param;
}
ctx->state = MTK_STATE_HEADER;
}
return 0;
err_set_param:
for (i = 0; i < q->num_buffers; ++i) {
if (q->bufs[i]->state == VB2_BUF_STATE_ACTIVE) {
mtk_v4l2_debug(0, "[%d] id=%d, type=%d, %d -> VB2_BUF_STATE_QUEUED",
ctx->id, i, q->type,
(int)q->bufs[i]->state);
v4l2_m2m_buf_done(to_vb2_v4l2_buffer(q->bufs[i]),
VB2_BUF_STATE_QUEUED);
}
}
return ret;
}
static void vb2ops_venc_stop_streaming(struct vb2_queue *q)
{
struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(q);
struct vb2_buffer *src_buf, *dst_buf;
int ret;
mtk_v4l2_debug(2, "[%d]-> type=%d", ctx->id, q->type);
if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
while ((dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx))) {
dst_buf->planes[0].bytesused = 0;
v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf),
VB2_BUF_STATE_ERROR);
}
} else {
while ((src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx)))
v4l2_m2m_buf_done(to_vb2_v4l2_buffer(src_buf),
VB2_BUF_STATE_ERROR);
}
if ((q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
vb2_is_streaming(&ctx->m2m_ctx->out_q_ctx.q)) ||
(q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
vb2_is_streaming(&ctx->m2m_ctx->cap_q_ctx.q))) {
mtk_v4l2_debug(1, "[%d]-> q type %d out=%d cap=%d",
ctx->id, q->type,
vb2_is_streaming(&ctx->m2m_ctx->out_q_ctx.q),
vb2_is_streaming(&ctx->m2m_ctx->cap_q_ctx.q));
return;
}
/* Release the encoder if both streams are stopped. */
ret = venc_if_deinit(ctx);
if (ret)
mtk_v4l2_err("venc_if_deinit failed=%d", ret);
ctx->state = MTK_STATE_FREE;
}
static const struct vb2_ops mtk_venc_vb2_ops = {
.queue_setup = vb2ops_venc_queue_setup,
.buf_prepare = vb2ops_venc_buf_prepare,
.buf_queue = vb2ops_venc_buf_queue,
.wait_prepare = vb2_ops_wait_prepare,
.wait_finish = vb2_ops_wait_finish,
.start_streaming = vb2ops_venc_start_streaming,
.stop_streaming = vb2ops_venc_stop_streaming,
};
static int mtk_venc_encode_header(void *priv)
{
struct mtk_vcodec_ctx *ctx = priv;
int ret;
struct vb2_buffer *src_buf, *dst_buf;
struct vb2_v4l2_buffer *dst_vb2_v4l2, *src_vb2_v4l2;
struct mtk_vcodec_mem bs_buf;
struct venc_done_result enc_result;
dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
if (!dst_buf) {
mtk_v4l2_debug(1, "No dst buffer");
return -EINVAL;
}
bs_buf.va = vb2_plane_vaddr(dst_buf, 0);
bs_buf.dma_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0);
bs_buf.size = (size_t)dst_buf->planes[0].length;
mtk_v4l2_debug(1,
"[%d] buf id=%d va=0x%p dma_addr=0x%llx size=%zu",
ctx->id,
dst_buf->index, bs_buf.va,
(u64)bs_buf.dma_addr,
bs_buf.size);
ret = venc_if_encode(ctx,
VENC_START_OPT_ENCODE_SEQUENCE_HEADER,
NULL, &bs_buf, &enc_result);
if (ret) {
dst_buf->planes[0].bytesused = 0;
ctx->state = MTK_STATE_ABORT;
v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf),
VB2_BUF_STATE_ERROR);
mtk_v4l2_err("venc_if_encode failed=%d", ret);
return -EINVAL;
}
src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
if (src_buf) {
src_vb2_v4l2 = to_vb2_v4l2_buffer(src_buf);
dst_vb2_v4l2 = to_vb2_v4l2_buffer(dst_buf);
dst_buf->timestamp = src_buf->timestamp;
dst_vb2_v4l2->timecode = src_vb2_v4l2->timecode;
} else {
mtk_v4l2_err("No timestamp for the header buffer.");
}
ctx->state = MTK_STATE_HEADER;
dst_buf->planes[0].bytesused = enc_result.bs_size;
v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf), VB2_BUF_STATE_DONE);
return 0;
}
static int mtk_venc_param_change(struct mtk_vcodec_ctx *ctx)
{
struct venc_enc_param enc_prm;
struct vb2_buffer *vb = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
struct vb2_v4l2_buffer *vb2_v4l2 =
container_of(vb, struct vb2_v4l2_buffer, vb2_buf);
struct mtk_video_enc_buf *mtk_buf =
container_of(vb2_v4l2, struct mtk_video_enc_buf, vb);
int ret = 0;
memset(&enc_prm, 0, sizeof(enc_prm));
if (mtk_buf->param_change == MTK_ENCODE_PARAM_NONE)
return 0;
if (mtk_buf->param_change & MTK_ENCODE_PARAM_BITRATE) {
enc_prm.bitrate = mtk_buf->enc_params.bitrate;
mtk_v4l2_debug(1, "[%d] id=%d, change param br=%d",
ctx->id,
mtk_buf->vb.vb2_buf.index,
enc_prm.bitrate);
ret |= venc_if_set_param(ctx,
VENC_SET_PARAM_ADJUST_BITRATE,
&enc_prm);
}
if (!ret && mtk_buf->param_change & MTK_ENCODE_PARAM_FRAMERATE) {
enc_prm.frm_rate = mtk_buf->enc_params.framerate_num /
mtk_buf->enc_params.framerate_denom;
mtk_v4l2_debug(1, "[%d] id=%d, change param fr=%d",
ctx->id,
mtk_buf->vb.vb2_buf.index,
enc_prm.frm_rate);
ret |= venc_if_set_param(ctx,
VENC_SET_PARAM_ADJUST_FRAMERATE,
&enc_prm);
}
if (!ret && mtk_buf->param_change & MTK_ENCODE_PARAM_GOP_SIZE) {
enc_prm.gop_size = mtk_buf->enc_params.gop_size;
mtk_v4l2_debug(1, "change param intra period=%d",
enc_prm.gop_size);
ret |= venc_if_set_param(ctx,
VENC_SET_PARAM_GOP_SIZE,
&enc_prm);
}
if (!ret && mtk_buf->param_change & MTK_ENCODE_PARAM_FORCE_INTRA) {
mtk_v4l2_debug(1, "[%d] id=%d, change param force I=%d",
ctx->id,
mtk_buf->vb.vb2_buf.index,
mtk_buf->enc_params.force_intra);
if (mtk_buf->enc_params.force_intra)
ret |= venc_if_set_param(ctx,
VENC_SET_PARAM_FORCE_INTRA,
NULL);
}
mtk_buf->param_change = MTK_ENCODE_PARAM_NONE;
if (ret) {
ctx->state = MTK_STATE_ABORT;
mtk_v4l2_err("venc_if_set_param %d failed=%d",
mtk_buf->param_change, ret);
return -1;
}
return 0;
}
/*
* v4l2_m2m_streamoff() holds dev_mutex and waits mtk_venc_worker()
* to call v4l2_m2m_job_finish().
* If mtk_venc_worker() tries to acquire dev_mutex, it will deadlock.
* So this function must not try to acquire dev->dev_mutex.
* This means v4l2 ioctls and mtk_venc_worker() can run at the same time.
* mtk_venc_worker() should be carefully implemented to avoid bugs.
*/
static void mtk_venc_worker(struct work_struct *work)
{
struct mtk_vcodec_ctx *ctx = container_of(work, struct mtk_vcodec_ctx,
encode_work);
struct vb2_buffer *src_buf, *dst_buf;
struct venc_frm_buf frm_buf;
struct mtk_vcodec_mem bs_buf;
struct venc_done_result enc_result;
int ret, i;
struct vb2_v4l2_buffer *dst_vb2_v4l2, *src_vb2_v4l2;
/* check dst_buf, dst_buf may be removed in device_run
* to stored encdoe header so we need check dst_buf and
* call job_finish here to prevent recursion
*/
dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
if (!dst_buf) {
v4l2_m2m_job_finish(ctx->dev->m2m_dev_enc, ctx->m2m_ctx);
return;
}
src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
memset(&frm_buf, 0, sizeof(frm_buf));
for (i = 0; i < src_buf->num_planes ; i++) {
frm_buf.fb_addr[i].va = vb2_plane_vaddr(src_buf, i);
frm_buf.fb_addr[i].dma_addr =
vb2_dma_contig_plane_dma_addr(src_buf, i);
frm_buf.fb_addr[i].size =
(size_t)src_buf->planes[i].length;
}
bs_buf.va = vb2_plane_vaddr(dst_buf, 0);
bs_buf.dma_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0);
bs_buf.size = (size_t)dst_buf->planes[0].length;
mtk_v4l2_debug(2,
"Framebuf VA=%p PA=%llx Size=0x%zx;VA=%p PA=0x%llx Size=0x%zx;VA=%p PA=0x%llx Size=%zu",
frm_buf.fb_addr[0].va,
(u64)frm_buf.fb_addr[0].dma_addr,
frm_buf.fb_addr[0].size,
frm_buf.fb_addr[1].va,
(u64)frm_buf.fb_addr[1].dma_addr,
frm_buf.fb_addr[1].size,
frm_buf.fb_addr[2].va,
(u64)frm_buf.fb_addr[2].dma_addr,
frm_buf.fb_addr[2].size);
ret = venc_if_encode(ctx, VENC_START_OPT_ENCODE_FRAME,
&frm_buf, &bs_buf, &enc_result);
src_vb2_v4l2 = to_vb2_v4l2_buffer(src_buf);
dst_vb2_v4l2 = to_vb2_v4l2_buffer(dst_buf);
dst_buf->timestamp = src_buf->timestamp;
dst_vb2_v4l2->timecode = src_vb2_v4l2->timecode;
if (enc_result.is_key_frm)
dst_vb2_v4l2->flags |= V4L2_BUF_FLAG_KEYFRAME;
if (ret) {
v4l2_m2m_buf_done(to_vb2_v4l2_buffer(src_buf),
VB2_BUF_STATE_ERROR);
dst_buf->planes[0].bytesused = 0;
v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf),
VB2_BUF_STATE_ERROR);
mtk_v4l2_err("venc_if_encode failed=%d", ret);
} else {
v4l2_m2m_buf_done(to_vb2_v4l2_buffer(src_buf),
VB2_BUF_STATE_DONE);
dst_buf->planes[0].bytesused = enc_result.bs_size;
v4l2_m2m_buf_done(to_vb2_v4l2_buffer(dst_buf),
VB2_BUF_STATE_DONE);
mtk_v4l2_debug(2, "venc_if_encode bs size=%d",
enc_result.bs_size);
}
v4l2_m2m_job_finish(ctx->dev->m2m_dev_enc, ctx->m2m_ctx);
mtk_v4l2_debug(1, "<=== src_buf[%d] dst_buf[%d] venc_if_encode ret=%d Size=%u===>",
src_buf->index, dst_buf->index, ret,
enc_result.bs_size);
}
static void m2mops_venc_device_run(void *priv)
{
struct mtk_vcodec_ctx *ctx = priv;
if ((ctx->q_data[MTK_Q_DATA_DST].fmt->fourcc == V4L2_PIX_FMT_H264) &&
(ctx->state != MTK_STATE_HEADER)) {
/* encode h264 sps/pps header */
mtk_venc_encode_header(ctx);
queue_work(ctx->dev->encode_workqueue, &ctx->encode_work);
return;
}
mtk_venc_param_change(ctx);
queue_work(ctx->dev->encode_workqueue, &ctx->encode_work);
}
static int m2mops_venc_job_ready(void *m2m_priv)
{
struct mtk_vcodec_ctx *ctx = m2m_priv;
if (ctx->state == MTK_STATE_ABORT || ctx->state == MTK_STATE_FREE) {
mtk_v4l2_debug(3, "[%d]Not ready: state=0x%x.",
ctx->id, ctx->state);
return 0;
}
return 1;
}
static void m2mops_venc_job_abort(void *priv)
{
struct mtk_vcodec_ctx *ctx = priv;
ctx->state = MTK_STATE_ABORT;
}
static void m2mops_venc_lock(void *m2m_priv)
{
struct mtk_vcodec_ctx *ctx = m2m_priv;
mutex_lock(&ctx->dev->dev_mutex);
}
static void m2mops_venc_unlock(void *m2m_priv)
{
struct mtk_vcodec_ctx *ctx = m2m_priv;
mutex_unlock(&ctx->dev->dev_mutex);
}
const struct v4l2_m2m_ops mtk_venc_m2m_ops = {
.device_run = m2mops_venc_device_run,
.job_ready = m2mops_venc_job_ready,
.job_abort = m2mops_venc_job_abort,
.lock = m2mops_venc_lock,
.unlock = m2mops_venc_unlock,
};
void mtk_vcodec_enc_set_default_params(struct mtk_vcodec_ctx *ctx)
{
struct mtk_q_data *q_data;
ctx->m2m_ctx->q_lock = &ctx->dev->dev_mutex;
ctx->fh.m2m_ctx = ctx->m2m_ctx;
ctx->fh.ctrl_handler = &ctx->ctrl_hdl;
INIT_WORK(&ctx->encode_work, mtk_venc_worker);
ctx->colorspace = V4L2_COLORSPACE_REC709;
ctx->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
ctx->quantization = V4L2_QUANTIZATION_DEFAULT;
ctx->xfer_func = V4L2_XFER_FUNC_DEFAULT;
q_data = &ctx->q_data[MTK_Q_DATA_SRC];
memset(q_data, 0, sizeof(struct mtk_q_data));
q_data->visible_width = DFT_CFG_WIDTH;
q_data->visible_height = DFT_CFG_HEIGHT;
q_data->coded_width = DFT_CFG_WIDTH;
q_data->coded_height = DFT_CFG_HEIGHT;
q_data->field = V4L2_FIELD_NONE;
q_data->fmt = &mtk_video_formats[OUT_FMT_IDX];
v4l_bound_align_image(&q_data->coded_width,
MTK_VENC_MIN_W,
MTK_VENC_MAX_W, 4,
&q_data->coded_height,
MTK_VENC_MIN_H,
MTK_VENC_MAX_H, 5, 6);
if (q_data->coded_width < DFT_CFG_WIDTH &&
(q_data->coded_width + 16) <= MTK_VENC_MAX_W)
q_data->coded_width += 16;
if (q_data->coded_height < DFT_CFG_HEIGHT &&
(q_data->coded_height + 32) <= MTK_VENC_MAX_H)
q_data->coded_height += 32;
q_data->sizeimage[0] =
q_data->coded_width * q_data->coded_height+
((ALIGN(q_data->coded_width, 16) * 2) * 16);
q_data->bytesperline[0] = q_data->coded_width;
q_data->sizeimage[1] =
(q_data->coded_width * q_data->coded_height) / 2 +
(ALIGN(q_data->coded_width, 16) * 16);
q_data->bytesperline[1] = q_data->coded_width;
q_data = &ctx->q_data[MTK_Q_DATA_DST];
memset(q_data, 0, sizeof(struct mtk_q_data));
q_data->coded_width = DFT_CFG_WIDTH;
q_data->coded_height = DFT_CFG_HEIGHT;
q_data->fmt = &mtk_video_formats[CAP_FMT_IDX];
q_data->field = V4L2_FIELD_NONE;
ctx->q_data[MTK_Q_DATA_DST].sizeimage[0] =
DFT_CFG_WIDTH * DFT_CFG_HEIGHT;
ctx->q_data[MTK_Q_DATA_DST].bytesperline[0] = 0;
}
int mtk_vcodec_enc_ctrls_setup(struct mtk_vcodec_ctx *ctx)
{
const struct v4l2_ctrl_ops *ops = &mtk_vcodec_enc_ctrl_ops;
struct v4l2_ctrl_handler *handler = &ctx->ctrl_hdl;
v4l2_ctrl_handler_init(handler, MTK_MAX_CTRLS_HINT);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_BITRATE,
1, 4000000, 1, 4000000);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_B_FRAMES,
0, 2, 1, 0);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE,
0, 1, 1, 1);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_H264_MAX_QP,
0, 51, 1, 51);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_H264_I_PERIOD,
0, 65535, 1, 0);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_GOP_SIZE,
0, 65535, 1, 0);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE,
0, 1, 1, 0);
v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME,
0, 0, 0, 0);
v4l2_ctrl_new_std_menu(handler, ops,
V4L2_CID_MPEG_VIDEO_HEADER_MODE,
V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
0, V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE);
v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_MPEG_VIDEO_H264_PROFILE,
V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
0, V4L2_MPEG_VIDEO_H264_PROFILE_HIGH);
v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_MPEG_VIDEO_H264_LEVEL,
V4L2_MPEG_VIDEO_H264_LEVEL_4_2,
0, V4L2_MPEG_VIDEO_H264_LEVEL_4_0);
if (handler->error) {
mtk_v4l2_err("Init control handler fail %d",
handler->error);
return handler->error;
}
v4l2_ctrl_handler_setup(&ctx->ctrl_hdl);
return 0;
}
int mtk_vcodec_enc_queue_init(void *priv, struct vb2_queue *src_vq,
struct vb2_queue *dst_vq)
{
struct mtk_vcodec_ctx *ctx = priv;
int ret;
/* Note: VB2_USERPTR works with dma-contig because mt8173
* support iommu
* https://patchwork.kernel.org/patch/8335461/
* https://patchwork.kernel.org/patch/7596181/
*/
src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
src_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
src_vq->drv_priv = ctx;
src_vq->buf_struct_size = sizeof(struct mtk_video_enc_buf);
src_vq->ops = &mtk_venc_vb2_ops;
src_vq->mem_ops = &vb2_dma_contig_memops;
src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
src_vq->lock = &ctx->dev->dev_mutex;
src_vq->dev = &ctx->dev->plat_dev->dev;
ret = vb2_queue_init(src_vq);
if (ret)
return ret;
dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
dst_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
dst_vq->drv_priv = ctx;
dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
dst_vq->ops = &mtk_venc_vb2_ops;
dst_vq->mem_ops = &vb2_dma_contig_memops;
dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
dst_vq->lock = &ctx->dev->dev_mutex;
dst_vq->dev = &ctx->dev->plat_dev->dev;
return vb2_queue_init(dst_vq);
}
int mtk_venc_unlock(struct mtk_vcodec_ctx *ctx)
{
struct mtk_vcodec_dev *dev = ctx->dev;
mutex_unlock(&dev->enc_mutex);
return 0;
}
int mtk_venc_lock(struct mtk_vcodec_ctx *ctx)
{
struct mtk_vcodec_dev *dev = ctx->dev;
mutex_lock(&dev->enc_mutex);
return 0;
}
void mtk_vcodec_enc_release(struct mtk_vcodec_ctx *ctx)
{
int ret = venc_if_deinit(ctx);
if (ret)
mtk_v4l2_err("venc_if_deinit failed=%d", ret);
ctx->state = MTK_STATE_FREE;
}
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