diff options
| author | Hans Verkuil | 2018-08-22 09:50:56 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab | 2018-08-31 14:29:13 +0200 |
| commit | cd12b401adc3cdfa643172f664aa28ecebbd3b67 (patch) | |
| tree | baacd5d372abfb9bc1756b35ccedad3d4f92f6f8 /drivers/media/platform/vicodec/codec-v4l2-fwht.h | |
| parent | media: vicodec: rename and use proper fwht prefix for codec (diff) | |
| download | kernel-qcow2-linux-cd12b401adc3cdfa643172f664aa28ecebbd3b67.tar.gz kernel-qcow2-linux-cd12b401adc3cdfa643172f664aa28ecebbd3b67.tar.xz kernel-qcow2-linux-cd12b401adc3cdfa643172f664aa28ecebbd3b67.zip | |
media: vicodec: split off v4l2 specific parts for the codec
Split off the decode and encode functions into a separate
source that can be reused elsewhere.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/platform/vicodec/codec-v4l2-fwht.h')
| -rw-r--r-- | drivers/media/platform/vicodec/codec-v4l2-fwht.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/media/platform/vicodec/codec-v4l2-fwht.h b/drivers/media/platform/vicodec/codec-v4l2-fwht.h new file mode 100644 index 000000000000..7794c186d905 --- /dev/null +++ b/drivers/media/platform/vicodec/codec-v4l2-fwht.h @@ -0,0 +1,50 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright 2018 Cisco Systems, Inc. and/or its affiliates. All rights reserved. + */ + +#ifndef CODEC_V4L2_FWHT_H +#define CODEC_V4L2_FWHT_H + +#include "codec-fwht.h" + +struct v4l2_fwht_pixfmt_info { + u32 id; + unsigned int bytesperline_mult; + unsigned int sizeimage_mult; + unsigned int sizeimage_div; + unsigned int luma_step; + unsigned int chroma_step; + /* Chroma plane subsampling */ + unsigned int width_div; + unsigned int height_div; +}; + +struct v4l2_fwht_state { + const struct v4l2_fwht_pixfmt_info *info; + unsigned int width; + unsigned int height; + unsigned int gop_size; + unsigned int gop_cnt; + u16 i_frame_qp; + u16 p_frame_qp; + + enum v4l2_colorspace colorspace; + enum v4l2_ycbcr_encoding ycbcr_enc; + enum v4l2_xfer_func xfer_func; + enum v4l2_quantization quantization; + + struct fwht_raw_frame ref_frame; + u8 *compressed_frame; +}; + +const struct v4l2_fwht_pixfmt_info *v4l2_fwht_find_pixfmt(u32 pixelformat); +const struct v4l2_fwht_pixfmt_info *v4l2_fwht_get_pixfmt(u32 idx); + +unsigned int v4l2_fwht_encode(struct v4l2_fwht_state *state, + u8 *p_in, u8 *p_out); + +int v4l2_fwht_decode(struct v4l2_fwht_state *state, + u8 *p_in, u8 *p_out); + +#endif |