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8a8621ba01
The MPEG-2 decoder firmware reports profile and level indication that can be used to set V4L2 MPEG-2 profile and level controls Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
45 lines
937 B
C
45 lines
937 B
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Coda multi-standard codec IP - MPEG-2 helper functions
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*
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* Copyright (C) 2019 Pengutronix, Philipp Zabel
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*/
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#include <linux/kernel.h>
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#include <linux/videodev2.h>
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#include "coda.h"
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int coda_mpeg2_profile(int profile_idc)
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{
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switch (profile_idc) {
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case 5:
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return V4L2_MPEG_VIDEO_MPEG2_PROFILE_SIMPLE;
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case 4:
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return V4L2_MPEG_VIDEO_MPEG2_PROFILE_MAIN;
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case 3:
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return V4L2_MPEG_VIDEO_MPEG2_PROFILE_SNR_SCALABLE;
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case 2:
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return V4L2_MPEG_VIDEO_MPEG2_PROFILE_SPATIALLY_SCALABLE;
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case 1:
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return V4L2_MPEG_VIDEO_MPEG2_PROFILE_HIGH;
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default:
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return -EINVAL;
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}
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}
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int coda_mpeg2_level(int level_idc)
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{
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switch (level_idc) {
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case 10:
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return V4L2_MPEG_VIDEO_MPEG2_LEVEL_LOW;
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case 8:
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return V4L2_MPEG_VIDEO_MPEG2_LEVEL_MAIN;
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case 6:
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return V4L2_MPEG_VIDEO_MPEG2_LEVEL_HIGH_1440;
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case 4:
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return V4L2_MPEG_VIDEO_MPEG2_LEVEL_HIGH;
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default:
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return -EINVAL;
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}
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}
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