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media: mtk-vcodec: vdec: support stateless API
Support the stateless codec API that will be used by MT8183. [acourbot: refactor, cleanup and split] Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com> Co-developed-by: Alexandre Courbot <acourbot@chromium.org> Signed-off-by: Alexandre Courbot <acourbot@chromium.org> Signed-off-by: Tzung-Bi Shih <tzungbi@google.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
parent
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commit
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@ -12,6 +12,7 @@ mtk-vcodec-dec-y := vdec/vdec_h264_if.o \
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vdec_vpu_if.o \
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mtk_vcodec_dec.o \
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mtk_vcodec_dec_stateful.o \
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mtk_vcodec_dec_stateless.o \
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mtk_vcodec_dec_pm.o \
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mtk-vcodec-enc-y := venc/venc_vp8_if.o \
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@ -47,7 +47,14 @@ static struct mtk_q_data *mtk_vdec_get_q_data(struct mtk_vcodec_ctx *ctx,
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static int vidioc_try_decoder_cmd(struct file *file, void *priv,
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struct v4l2_decoder_cmd *cmd)
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{
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return v4l2_m2m_ioctl_try_decoder_cmd(file, priv, cmd);
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struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
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/* Use M2M stateless helper if relevant */
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if (ctx->dev->vdec_pdata->uses_stateless_api)
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return v4l2_m2m_ioctl_stateless_try_decoder_cmd(file, priv,
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cmd);
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else
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return v4l2_m2m_ioctl_try_decoder_cmd(file, priv, cmd);
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}
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@ -62,6 +69,10 @@ static int vidioc_decoder_cmd(struct file *file, void *priv,
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if (ret)
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return ret;
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/* Use M2M stateless helper if relevant */
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if (ctx->dev->vdec_pdata->uses_stateless_api)
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return v4l2_m2m_ioctl_stateless_decoder_cmd(file, priv, cmd);
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mtk_v4l2_debug(1, "decoder cmd=%u", cmd->cmd);
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dst_vq = v4l2_m2m_get_vq(ctx->m2m_ctx,
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V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
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@ -401,7 +412,8 @@ static int vidioc_vdec_s_fmt(struct file *file, void *priv,
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* Setting OUTPUT format after OUTPUT buffers are allocated is invalid
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* if using the stateful API.
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*/
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if ((f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) &&
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if (!dec_pdata->uses_stateless_api &&
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f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
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vb2_is_busy(&ctx->m2m_ctx->out_q_ctx.q)) {
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mtk_v4l2_err("out_q_ctx buffers already requested");
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ret = -EBUSY;
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@ -444,6 +456,7 @@ static int vidioc_vdec_s_fmt(struct file *file, void *priv,
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ctx->quantization = pix_mp->quantization;
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ctx->xfer_func = pix_mp->xfer_func;
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ctx->current_codec = fmt->fourcc;
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if (ctx->state == MTK_STATE_FREE) {
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ret = vdec_if_init(ctx, q_data->fmt->fourcc);
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if (ret) {
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@ -455,6 +468,48 @@ static int vidioc_vdec_s_fmt(struct file *file, void *priv,
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}
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}
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/*
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* If using the stateless API, S_FMT should have the effect of setting
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* the CAPTURE queue resolution no matter which queue it was called on.
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*/
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if (dec_pdata->uses_stateless_api) {
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ctx->picinfo.pic_w = pix_mp->width;
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ctx->picinfo.pic_h = pix_mp->height;
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ret = vdec_if_get_param(ctx, GET_PARAM_PIC_INFO, &ctx->picinfo);
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if (ret) {
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mtk_v4l2_err("[%d]Error!! Get GET_PARAM_PICTURE_INFO Fail",
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ctx->id);
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return -EINVAL;
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}
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ctx->last_decoded_picinfo = ctx->picinfo;
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if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 1) {
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ctx->q_data[MTK_Q_DATA_DST].sizeimage[0] =
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ctx->picinfo.fb_sz[0] +
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ctx->picinfo.fb_sz[1];
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ctx->q_data[MTK_Q_DATA_DST].bytesperline[0] =
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ctx->picinfo.buf_w;
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} else {
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ctx->q_data[MTK_Q_DATA_DST].sizeimage[0] =
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ctx->picinfo.fb_sz[0];
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ctx->q_data[MTK_Q_DATA_DST].bytesperline[0] =
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ctx->picinfo.buf_w;
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ctx->q_data[MTK_Q_DATA_DST].sizeimage[1] =
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ctx->picinfo.fb_sz[1];
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ctx->q_data[MTK_Q_DATA_DST].bytesperline[1] =
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ctx->picinfo.buf_w;
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}
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ctx->q_data[MTK_Q_DATA_DST].coded_width = ctx->picinfo.buf_w;
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ctx->q_data[MTK_Q_DATA_DST].coded_height = ctx->picinfo.buf_h;
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mtk_v4l2_debug(2, "[%d] vdec_if_init() num_plane = %d wxh=%dx%d pic wxh=%dx%d sz[0]=0x%x sz[1]=0x%x",
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ctx->id, pix_mp->num_planes, ctx->picinfo.buf_w, ctx->picinfo.buf_h,
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ctx->picinfo.pic_w, ctx->picinfo.pic_h,
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ctx->q_data[MTK_Q_DATA_DST].sizeimage[0],
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ctx->q_data[MTK_Q_DATA_DST].sizeimage[1]);
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}
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return 0;
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}
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@ -746,9 +801,14 @@ void vb2ops_vdec_stop_streaming(struct vb2_queue *q)
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if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
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while ((src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx))) {
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if (src_buf != &ctx->empty_flush_buf.vb)
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if (src_buf != &ctx->empty_flush_buf.vb) {
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struct media_request *req =
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src_buf->vb2_buf.req_obj.req;
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v4l2_m2m_buf_done(src_buf,
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VB2_BUF_STATE_ERROR);
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if (req)
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v4l2_ctrl_request_complete(req, &ctx->ctrl_hdl);
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}
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}
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return;
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}
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@ -44,6 +44,7 @@ struct vdec_fb {
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* queue yet
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* @error: An unrecoverable error occurs on this buffer.
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* @frame_buffer: Decode status, and buffer information of Capture buffer
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* @bs_buffer: Output buffer info
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*
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* Note : These status information help us track and debug buffer state
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*/
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@ -54,11 +55,16 @@ struct mtk_video_dec_buf {
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bool queued_in_vb2;
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bool queued_in_v4l2;
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bool error;
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struct vdec_fb frame_buffer;
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union {
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struct vdec_fb frame_buffer;
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struct mtk_vcodec_mem bs_buffer;
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};
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};
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extern const struct v4l2_ioctl_ops mtk_vdec_ioctl_ops;
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extern const struct v4l2_m2m_ops mtk_vdec_m2m_ops;
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extern const struct media_device_ops mtk_vcodec_media_ops;
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/*
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drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateless.c
Normal file
360
drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateless.c
Normal file
@ -0,0 +1,360 @@
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// SPDX-License-Identifier: GPL-2.0
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#include <media/videobuf2-v4l2.h>
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#include <media/videobuf2-dma-contig.h>
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#include <media/v4l2-event.h>
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#include <media/v4l2-mem2mem.h>
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#include <linux/module.h>
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#include "mtk_vcodec_drv.h"
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#include "mtk_vcodec_dec.h"
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#include "mtk_vcodec_intr.h"
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#include "mtk_vcodec_util.h"
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#include "mtk_vcodec_dec_pm.h"
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#include "vdec_drv_if.h"
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/**
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* struct mtk_stateless_control - CID control type
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* @cfg: control configuration
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* @codec_type: codec type (V4L2 pixel format) for CID control type
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*/
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struct mtk_stateless_control {
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struct v4l2_ctrl_config cfg;
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int codec_type;
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};
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static const struct mtk_stateless_control mtk_stateless_controls[] = {
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{
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.cfg = {
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.id = V4L2_CID_STATELESS_H264_SPS,
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},
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.codec_type = V4L2_PIX_FMT_H264_SLICE,
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},
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{
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.cfg = {
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.id = V4L2_CID_STATELESS_H264_PPS,
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},
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.codec_type = V4L2_PIX_FMT_H264_SLICE,
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},
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{
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.cfg = {
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.id = V4L2_CID_STATELESS_H264_SCALING_MATRIX,
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},
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.codec_type = V4L2_PIX_FMT_H264_SLICE,
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},
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{
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.cfg = {
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.id = V4L2_CID_STATELESS_H264_DECODE_PARAMS,
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},
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.codec_type = V4L2_PIX_FMT_H264_SLICE,
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},
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{
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.cfg = {
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.id = V4L2_CID_MPEG_VIDEO_H264_PROFILE,
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.def = V4L2_MPEG_VIDEO_H264_PROFILE_MAIN,
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.max = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
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.menu_skip_mask =
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BIT(V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE) |
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BIT(V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED),
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},
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.codec_type = V4L2_PIX_FMT_H264_SLICE,
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},
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{
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.cfg = {
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.id = V4L2_CID_STATELESS_H264_DECODE_MODE,
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.min = V4L2_STATELESS_H264_DECODE_MODE_FRAME_BASED,
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.def = V4L2_STATELESS_H264_DECODE_MODE_FRAME_BASED,
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.max = V4L2_STATELESS_H264_DECODE_MODE_FRAME_BASED,
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},
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.codec_type = V4L2_PIX_FMT_H264_SLICE,
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},
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{
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.cfg = {
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.id = V4L2_CID_STATELESS_H264_START_CODE,
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.min = V4L2_STATELESS_H264_START_CODE_ANNEX_B,
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.def = V4L2_STATELESS_H264_START_CODE_ANNEX_B,
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.max = V4L2_STATELESS_H264_START_CODE_ANNEX_B,
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},
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.codec_type = V4L2_PIX_FMT_H264_SLICE,
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}
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};
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#define NUM_CTRLS ARRAY_SIZE(mtk_stateless_controls)
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static const struct mtk_video_fmt mtk_video_formats[] = {
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{
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.fourcc = V4L2_PIX_FMT_H264_SLICE,
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.type = MTK_FMT_DEC,
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.num_planes = 1,
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},
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{
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.fourcc = V4L2_PIX_FMT_MM21,
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.type = MTK_FMT_FRAME,
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.num_planes = 2,
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},
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};
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#define NUM_FORMATS ARRAY_SIZE(mtk_video_formats)
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#define DEFAULT_OUT_FMT_IDX 0
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#define DEFAULT_CAP_FMT_IDX 1
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static const struct mtk_codec_framesizes mtk_vdec_framesizes[] = {
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{
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.fourcc = V4L2_PIX_FMT_H264_SLICE,
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.stepwise = { MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
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MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
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},
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};
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#define NUM_SUPPORTED_FRAMESIZE ARRAY_SIZE(mtk_vdec_framesizes)
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static void mtk_vdec_stateless_set_dst_payload(struct mtk_vcodec_ctx *ctx,
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struct vdec_fb *fb)
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{
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struct mtk_video_dec_buf *vdec_frame_buf =
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container_of(fb, struct mtk_video_dec_buf, frame_buffer);
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struct vb2_v4l2_buffer *vb = &vdec_frame_buf->m2m_buf.vb;
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unsigned int cap_y_size = ctx->q_data[MTK_Q_DATA_DST].sizeimage[0];
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vb2_set_plane_payload(&vb->vb2_buf, 0, cap_y_size);
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if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2) {
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unsigned int cap_c_size =
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ctx->q_data[MTK_Q_DATA_DST].sizeimage[1];
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vb2_set_plane_payload(&vb->vb2_buf, 1, cap_c_size);
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}
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}
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static struct vdec_fb *vdec_get_cap_buffer(struct mtk_vcodec_ctx *ctx,
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struct vb2_v4l2_buffer *vb2_v4l2)
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{
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struct mtk_video_dec_buf *framebuf =
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container_of(vb2_v4l2, struct mtk_video_dec_buf, m2m_buf.vb);
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struct vdec_fb *pfb = &framebuf->frame_buffer;
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struct vb2_buffer *dst_buf = &vb2_v4l2->vb2_buf;
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pfb = &framebuf->frame_buffer;
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pfb->base_y.va = NULL;
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pfb->base_y.dma_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0);
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pfb->base_y.size = ctx->q_data[MTK_Q_DATA_DST].sizeimage[0];
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if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2) {
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pfb->base_c.va = NULL;
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pfb->base_c.dma_addr =
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vb2_dma_contig_plane_dma_addr(dst_buf, 1);
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pfb->base_c.size = ctx->q_data[MTK_Q_DATA_DST].sizeimage[1];
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}
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mtk_v4l2_debug(1, "id=%d Framebuf pfb=%p VA=%p Y_DMA=%pad C_DMA=%pad Size=%zx frame_count = %d",
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dst_buf->index, pfb, pfb->base_y.va, &pfb->base_y.dma_addr,
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&pfb->base_c.dma_addr, pfb->base_y.size, ctx->decoded_frame_cnt);
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return pfb;
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}
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static void vb2ops_vdec_buf_request_complete(struct vb2_buffer *vb)
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{
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struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
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v4l2_ctrl_request_complete(vb->req_obj.req, &ctx->ctrl_hdl);
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}
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static void mtk_vdec_worker(struct work_struct *work)
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{
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struct mtk_vcodec_ctx *ctx =
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container_of(work, struct mtk_vcodec_ctx, decode_work);
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struct mtk_vcodec_dev *dev = ctx->dev;
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struct vb2_v4l2_buffer *vb2_v4l2_src, *vb2_v4l2_dst;
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struct vb2_buffer *vb2_src;
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struct mtk_vcodec_mem *bs_src;
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struct mtk_video_dec_buf *dec_buf_src;
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struct media_request *src_buf_req;
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struct vdec_fb *dst_buf;
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bool res_chg = false;
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int ret;
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vb2_v4l2_src = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
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if (!vb2_v4l2_src) {
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v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
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mtk_v4l2_debug(1, "[%d] no available source buffer", ctx->id);
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return;
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}
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vb2_v4l2_dst = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
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if (!vb2_v4l2_dst) {
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v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
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mtk_v4l2_debug(1, "[%d] no available destination buffer", ctx->id);
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return;
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}
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vb2_src = &vb2_v4l2_src->vb2_buf;
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dec_buf_src = container_of(vb2_v4l2_src, struct mtk_video_dec_buf,
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m2m_buf.vb);
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bs_src = &dec_buf_src->bs_buffer;
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mtk_v4l2_debug(3, "[%d] (%d) id=%d, vb=%p", ctx->id,
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vb2_src->vb2_queue->type, vb2_src->index, vb2_src);
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bs_src->va = NULL;
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bs_src->dma_addr = vb2_dma_contig_plane_dma_addr(vb2_src, 0);
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bs_src->size = (size_t)vb2_src->planes[0].bytesused;
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mtk_v4l2_debug(3, "[%d] Bitstream VA=%p DMA=%pad Size=%zx vb=%p",
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ctx->id, bs_src->va, &bs_src->dma_addr, bs_src->size, vb2_src);
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/* Apply request controls. */
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src_buf_req = vb2_src->req_obj.req;
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if (src_buf_req)
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v4l2_ctrl_request_setup(src_buf_req, &ctx->ctrl_hdl);
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else
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mtk_v4l2_err("vb2 buffer media request is NULL");
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dst_buf = vdec_get_cap_buffer(ctx, vb2_v4l2_dst);
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v4l2_m2m_buf_copy_metadata(vb2_v4l2_src, vb2_v4l2_dst, true);
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ret = vdec_if_decode(ctx, bs_src, dst_buf, &res_chg);
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if (ret) {
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mtk_v4l2_err(" <===[%d], src_buf[%d] sz=0x%zx pts=%llu vdec_if_decode() ret=%d res_chg=%d===>",
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ctx->id, vb2_src->index, bs_src->size,
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vb2_src->timestamp, ret, res_chg);
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if (ret == -EIO) {
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mutex_lock(&ctx->lock);
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dec_buf_src->error = true;
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mutex_unlock(&ctx->lock);
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}
|
||||
}
|
||||
|
||||
mtk_vdec_stateless_set_dst_payload(ctx, dst_buf);
|
||||
|
||||
v4l2_m2m_buf_done_and_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx,
|
||||
ret ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE);
|
||||
|
||||
v4l2_ctrl_request_complete(src_buf_req, &ctx->ctrl_hdl);
|
||||
}
|
||||
|
||||
static void vb2ops_vdec_stateless_buf_queue(struct vb2_buffer *vb)
|
||||
{
|
||||
struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
|
||||
struct vb2_v4l2_buffer *vb2_v4l2 = to_vb2_v4l2_buffer(vb);
|
||||
|
||||
mtk_v4l2_debug(3, "[%d] (%d) id=%d, vb=%p", ctx->id, vb->vb2_queue->type, vb->index, vb);
|
||||
|
||||
mutex_lock(&ctx->lock);
|
||||
v4l2_m2m_buf_queue(ctx->m2m_ctx, vb2_v4l2);
|
||||
mutex_unlock(&ctx->lock);
|
||||
if (vb->vb2_queue->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
|
||||
return;
|
||||
|
||||
/* If an OUTPUT buffer, we may need to update the state */
|
||||
if (ctx->state == MTK_STATE_INIT) {
|
||||
ctx->state = MTK_STATE_HEADER;
|
||||
mtk_v4l2_debug(1, "Init driver from init to header.");
|
||||
} else {
|
||||
mtk_v4l2_debug(3, "[%d] already init driver %d", ctx->id, ctx->state);
|
||||
}
|
||||
}
|
||||
|
||||
static int mtk_vdec_flush_decoder(struct mtk_vcodec_ctx *ctx)
|
||||
{
|
||||
bool res_chg;
|
||||
|
||||
return vdec_if_decode(ctx, NULL, NULL, &res_chg);
|
||||
}
|
||||
|
||||
static int mtk_vcodec_dec_ctrls_setup(struct mtk_vcodec_ctx *ctx)
|
||||
{
|
||||
unsigned int i;
|
||||
|
||||
v4l2_ctrl_handler_init(&ctx->ctrl_hdl, NUM_CTRLS);
|
||||
if (ctx->ctrl_hdl.error) {
|
||||
mtk_v4l2_err("v4l2_ctrl_handler_init failed\n");
|
||||
return ctx->ctrl_hdl.error;
|
||||
}
|
||||
|
||||
for (i = 0; i < NUM_CTRLS; i++) {
|
||||
struct v4l2_ctrl_config cfg = mtk_stateless_controls[i].cfg;
|
||||
|
||||
v4l2_ctrl_new_custom(&ctx->ctrl_hdl, &cfg, NULL);
|
||||
if (ctx->ctrl_hdl.error) {
|
||||
mtk_v4l2_err("Adding control %d failed %d", i, ctx->ctrl_hdl.error);
|
||||
return ctx->ctrl_hdl.error;
|
||||
}
|
||||
}
|
||||
|
||||
v4l2_ctrl_handler_setup(&ctx->ctrl_hdl);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int fops_media_request_validate(struct media_request *mreq)
|
||||
{
|
||||
const unsigned int buffer_cnt = vb2_request_buffer_cnt(mreq);
|
||||
|
||||
switch (buffer_cnt) {
|
||||
case 1:
|
||||
/* We expect exactly one buffer with the request */
|
||||
break;
|
||||
case 0:
|
||||
mtk_v4l2_debug(1, "No buffer provided with the request");
|
||||
return -ENOENT;
|
||||
default:
|
||||
mtk_v4l2_debug(1, "Too many buffers (%d) provided with the request",
|
||||
buffer_cnt);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
return vb2_request_validate(mreq);
|
||||
}
|
||||
|
||||
const struct media_device_ops mtk_vcodec_media_ops = {
|
||||
.req_validate = fops_media_request_validate,
|
||||
.req_queue = v4l2_m2m_request_queue,
|
||||
};
|
||||
|
||||
static void mtk_init_vdec_params(struct mtk_vcodec_ctx *ctx)
|
||||
{
|
||||
struct vb2_queue *src_vq;
|
||||
|
||||
src_vq = v4l2_m2m_get_vq(ctx->m2m_ctx,
|
||||
V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
|
||||
|
||||
/* Support request api for output plane */
|
||||
src_vq->supports_requests = true;
|
||||
src_vq->requires_requests = true;
|
||||
}
|
||||
|
||||
static int vb2ops_vdec_out_buf_validate(struct vb2_buffer *vb)
|
||||
{
|
||||
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
|
||||
|
||||
vbuf->field = V4L2_FIELD_NONE;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct vb2_ops mtk_vdec_request_vb2_ops = {
|
||||
.queue_setup = vb2ops_vdec_queue_setup,
|
||||
.wait_prepare = vb2_ops_wait_prepare,
|
||||
.wait_finish = vb2_ops_wait_finish,
|
||||
.start_streaming = vb2ops_vdec_start_streaming,
|
||||
.stop_streaming = vb2ops_vdec_stop_streaming,
|
||||
|
||||
.buf_queue = vb2ops_vdec_stateless_buf_queue,
|
||||
.buf_out_validate = vb2ops_vdec_out_buf_validate,
|
||||
.buf_init = vb2ops_vdec_buf_init,
|
||||
.buf_prepare = vb2ops_vdec_buf_prepare,
|
||||
.buf_finish = vb2ops_vdec_buf_finish,
|
||||
.buf_request_complete = vb2ops_vdec_buf_request_complete,
|
||||
};
|
||||
|
||||
const struct mtk_vcodec_dec_pdata mtk_vdec_8183_pdata = {
|
||||
.chip = MTK_MT8183,
|
||||
.init_vdec_params = mtk_init_vdec_params,
|
||||
.ctrls_setup = mtk_vcodec_dec_ctrls_setup,
|
||||
.vdec_vb2_ops = &mtk_vdec_request_vb2_ops,
|
||||
.vdec_formats = mtk_video_formats,
|
||||
.num_formats = NUM_FORMATS,
|
||||
.default_out_fmt = &mtk_video_formats[DEFAULT_OUT_FMT_IDX],
|
||||
.default_cap_fmt = &mtk_video_formats[DEFAULT_CAP_FMT_IDX],
|
||||
.vdec_framesizes = mtk_vdec_framesizes,
|
||||
.num_framesizes = NUM_SUPPORTED_FRAMESIZE,
|
||||
.uses_stateless_api = true,
|
||||
.worker = mtk_vdec_worker,
|
||||
.flush_decoder = mtk_vdec_flush_decoder,
|
||||
};
|
@ -253,6 +253,7 @@ struct vdec_pic_info {
|
||||
* @empty_flush_buf: a fake size-0 capture buffer that indicates flush. Only
|
||||
* to be used with encoder and stateful decoder.
|
||||
* @is_flushing: set to true if flushing is in progress.
|
||||
* @current_codec: current set input codec, in V4L2 pixel format
|
||||
*
|
||||
* @colorspace: enum v4l2_colorspace; supplemental to pixelformat
|
||||
* @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
|
||||
@ -294,6 +295,8 @@ struct mtk_vcodec_ctx {
|
||||
struct v4l2_m2m_buffer empty_flush_buf;
|
||||
bool is_flushing;
|
||||
|
||||
u32 current_codec;
|
||||
|
||||
enum v4l2_colorspace colorspace;
|
||||
enum v4l2_ycbcr_encoding ycbcr_enc;
|
||||
enum v4l2_quantization quantization;
|
||||
|
Loading…
Reference in New Issue
Block a user