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8b8130f0c7
The encoder driver has no need to do any CPU access to the source frame buffers. Use a separate structure for holding DMA addresses and sizes for those and remove, so we do not end up introducing any erroneous dereferences of those VAs. This fixes DMA-buf import from exporters that do not provide contiguous kernel mappings, which includes the MTK DRM driver. Signed-off-by: Tomasz Figa <tfiga@chromium.org> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
164 lines
4.8 KiB
C
164 lines
4.8 KiB
C
/*
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* Copyright (c) 2016 MediaTek Inc.
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* Author: Daniel Hsiao <daniel.hsiao@mediatek.com>
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* Jungchang Tsao <jungchang.tsao@mediatek.com>
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* Tiffany Lin <tiffany.lin@mediatek.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _VENC_DRV_IF_H_
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#define _VENC_DRV_IF_H_
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#include "mtk_vcodec_drv.h"
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#include "mtk_vcodec_util.h"
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/*
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* enum venc_yuv_fmt - The type of input yuv format
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* (VPU related: If you change the order, you must also update the VPU codes.)
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* @VENC_YUV_FORMAT_I420: I420 YUV format
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* @VENC_YUV_FORMAT_YV12: YV12 YUV format
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* @VENC_YUV_FORMAT_NV12: NV12 YUV format
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* @VENC_YUV_FORMAT_NV21: NV21 YUV format
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*/
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enum venc_yuv_fmt {
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VENC_YUV_FORMAT_I420 = 3,
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VENC_YUV_FORMAT_YV12 = 5,
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VENC_YUV_FORMAT_NV12 = 6,
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VENC_YUV_FORMAT_NV21 = 7,
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};
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/*
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* enum venc_start_opt - encode frame option used in venc_if_encode()
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* @VENC_START_OPT_ENCODE_SEQUENCE_HEADER: encode SPS/PPS for H264
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* @VENC_START_OPT_ENCODE_FRAME: encode normal frame
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*/
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enum venc_start_opt {
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VENC_START_OPT_ENCODE_SEQUENCE_HEADER,
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VENC_START_OPT_ENCODE_FRAME,
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};
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/*
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* enum venc_set_param_type - The type of set parameter used in
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* venc_if_set_param()
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* (VPU related: If you change the order, you must also update the VPU codes.)
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* @VENC_SET_PARAM_ENC: set encoder parameters
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* @VENC_SET_PARAM_FORCE_INTRA: force an intra frame
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* @VENC_SET_PARAM_ADJUST_BITRATE: adjust bitrate (in bps)
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* @VENC_SET_PARAM_ADJUST_FRAMERATE: set frame rate
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* @VENC_SET_PARAM_GOP_SIZE: set IDR interval
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* @VENC_SET_PARAM_INTRA_PERIOD: set I frame interval
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* @VENC_SET_PARAM_SKIP_FRAME: set H264 skip one frame
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* @VENC_SET_PARAM_PREPEND_HEADER: set H264 prepend SPS/PPS before IDR
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* @VENC_SET_PARAM_TS_MODE: set VP8 temporal scalability mode
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*/
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enum venc_set_param_type {
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VENC_SET_PARAM_ENC,
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VENC_SET_PARAM_FORCE_INTRA,
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VENC_SET_PARAM_ADJUST_BITRATE,
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VENC_SET_PARAM_ADJUST_FRAMERATE,
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VENC_SET_PARAM_GOP_SIZE,
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VENC_SET_PARAM_INTRA_PERIOD,
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VENC_SET_PARAM_SKIP_FRAME,
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VENC_SET_PARAM_PREPEND_HEADER,
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VENC_SET_PARAM_TS_MODE,
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};
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/*
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* struct venc_enc_prm - encoder settings for VENC_SET_PARAM_ENC used in
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* venc_if_set_param()
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* @input_fourcc: input yuv format
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* @h264_profile: V4L2 defined H.264 profile
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* @h264_level: V4L2 defined H.264 level
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* @width: image width
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* @height: image height
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* @buf_width: buffer width
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* @buf_height: buffer height
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* @frm_rate: frame rate in fps
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* @intra_period: intra frame period
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* @bitrate: target bitrate in bps
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* @gop_size: group of picture size
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*/
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struct venc_enc_param {
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enum venc_yuv_fmt input_yuv_fmt;
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unsigned int h264_profile;
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unsigned int h264_level;
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unsigned int width;
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unsigned int height;
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unsigned int buf_width;
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unsigned int buf_height;
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unsigned int frm_rate;
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unsigned int intra_period;
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unsigned int bitrate;
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unsigned int gop_size;
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};
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/*
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* struct venc_frm_buf - frame buffer information used in venc_if_encode()
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* @fb_addr: plane frame buffer addresses
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*/
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struct venc_frm_buf {
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struct mtk_vcodec_fb fb_addr[MTK_VCODEC_MAX_PLANES];
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};
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/*
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* struct venc_done_result - This is return information used in venc_if_encode()
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* @bs_size: output bitstream size
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* @is_key_frm: output is key frame or not
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*/
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struct venc_done_result {
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unsigned int bs_size;
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bool is_key_frm;
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};
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/*
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* venc_if_init - Create the driver handle
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* @ctx: device context
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* @fourcc: encoder input format
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* Return: 0 if creating handle successfully, otherwise it is failed.
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*/
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int venc_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc);
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/*
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* venc_if_deinit - Release the driver handle
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* @ctx: device context
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* Return: 0 if releasing handle successfully, otherwise it is failed.
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*/
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int venc_if_deinit(struct mtk_vcodec_ctx *ctx);
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/*
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* venc_if_set_param - Set parameter to driver
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* @ctx: device context
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* @type: parameter type
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* @in: input parameter
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* Return: 0 if setting param successfully, otherwise it is failed.
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*/
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int venc_if_set_param(struct mtk_vcodec_ctx *ctx,
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enum venc_set_param_type type,
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struct venc_enc_param *in);
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/*
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* venc_if_encode - Encode one frame
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* @ctx: device context
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* @opt: encode frame option
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* @frm_buf: input frame buffer information
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* @bs_buf: output bitstream buffer infomraiton
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* @result: encode result
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* Return: 0 if encoding frame successfully, otherwise it is failed.
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*/
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int venc_if_encode(struct mtk_vcodec_ctx *ctx,
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enum venc_start_opt opt,
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struct venc_frm_buf *frm_buf,
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struct mtk_vcodec_mem *bs_buf,
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struct venc_done_result *result);
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#endif /* _VENC_DRV_IF_H_ */
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