mirror of https://gitee.com/openkylin/linux.git
V4L/DVB (4200): Disable bitrate_mode when encoding mpeg-1.
MPEG-1 always uses CBR, so make the BITRATE_MODE control inactive. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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@ -406,6 +406,12 @@ int cx2341x_ctrl_query(struct cx2341x_mpeg_params *params, struct v4l2_queryctrl
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qctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
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return err;
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case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
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err = v4l2_ctrl_query_fill_std(qctrl);
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if (err == 0 && params->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1)
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qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
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return err;
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case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
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err = v4l2_ctrl_query_fill_std(qctrl);
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if (err == 0 && params->video_bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
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