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/*
* Copyright (c) 2016 MediaTek Inc.
* Author: Daniel Hsiao <daniel.hsiao@mediatek.com>
* Jungchang Tsao <jungchang.tsao@mediatek.com>
* Tiffany Lin <tiffany.lin@mediatek.com>
*
* This program is free software; you can redistribute it and/or
* modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _VENC_DRV_IF_H_
#define _VENC_DRV_IF_H_
#include "mtk_vcodec_drv.h"
#include "mtk_vcodec_util.h"
/*
* enum venc_yuv_fmt - The type of input yuv format
* (VPU related: If you change the order, you must also update the VPU codes.)
* @VENC_YUV_FORMAT_I420: I420 YUV format
* @VENC_YUV_FORMAT_YV12: YV12 YUV format
* @VENC_YUV_FORMAT_NV12: NV12 YUV format
* @VENC_YUV_FORMAT_NV21: NV21 YUV format
*/
enum venc_yuv_fmt {
VENC_YUV_FORMAT_I420 = 3,
VENC_YUV_FORMAT_YV12 = 5,
VENC_YUV_FORMAT_NV12 = 6,
VENC_YUV_FORMAT_NV21 = 7,
};
/*
* enum venc_start_opt - encode frame option used in venc_if_encode()
* @VENC_START_OPT_ENCODE_SEQUENCE_HEADER: encode SPS/PPS for H264
* @VENC_START_OPT_ENCODE_FRAME: encode normal frame
*/
enum venc_start_opt {
VENC_START_OPT_ENCODE_SEQUENCE_HEADER,
VENC_START_OPT_ENCODE_FRAME,
};
/*
* enum venc_set_param_type - The type of set parameter used in
* venc_if_set_param()
* (VPU related: If you change the order, you must also update the VPU codes.)
* @VENC_SET_PARAM_ENC: set encoder parameters
* @VENC_SET_PARAM_FORCE_INTRA: force an intra frame
* @VENC_SET_PARAM_ADJUST_BITRATE: adjust bitrate (in bps)
* @VENC_SET_PARAM_ADJUST_FRAMERATE: set frame rate
* @VENC_SET_PARAM_GOP_SIZE: set IDR interval
* @VENC_SET_PARAM_INTRA_PERIOD: set I frame interval
* @VENC_SET_PARAM_SKIP_FRAME: set H264 skip one frame
* @VENC_SET_PARAM_PREPEND_HEADER: set H264 prepend SPS/PPS before IDR
* @VENC_SET_PARAM_TS_MODE: set VP8 temporal scalability mode
*/
enum venc_set_param_type {
VENC_SET_PARAM_ENC,
VENC_SET_PARAM_FORCE_INTRA,
VENC_SET_PARAM_ADJUST_BITRATE,
VENC_SET_PARAM_ADJUST_FRAMERATE,
VENC_SET_PARAM_GOP_SIZE,
VENC_SET_PARAM_INTRA_PERIOD,
VENC_SET_PARAM_SKIP_FRAME,
VENC_SET_PARAM_PREPEND_HEADER,
VENC_SET_PARAM_TS_MODE,
};
/*
* struct venc_enc_prm - encoder settings for VENC_SET_PARAM_ENC used in
* venc_if_set_param()
* @input_fourcc: input yuv format
* @h264_profile: V4L2 defined H.264 profile
* @h264_level: V4L2 defined H.264 level
* @width: image width
* @height: image height
* @buf_width: buffer width
* @buf_height: buffer height
* @frm_rate: frame rate in fps
* @intra_period: intra frame period
* @bitrate: target bitrate in bps
* @gop_size: group of picture size
*/
struct venc_enc_param {
enum venc_yuv_fmt input_yuv_fmt;
unsigned int h264_profile;
unsigned int h264_level;
unsigned int width;
unsigned int height;
unsigned int buf_width;
unsigned int buf_height;
unsigned int frm_rate;
unsigned int intra_period;
unsigned int bitrate;
unsigned int gop_size;
};
/*
* struct venc_frm_buf - frame buffer information used in venc_if_encode()
* @fb_addr: plane frame buffer addresses
*/
struct venc_frm_buf {
struct mtk_vcodec_mem fb_addr[MTK_VCODEC_MAX_PLANES];
};
/*
* struct venc_done_result - This is return information used in venc_if_encode()
* @bs_size: output bitstream size
* @is_key_frm: output is key frame or not
*/
struct venc_done_result {
unsigned int bs_size;
bool is_key_frm;
};
/*
* venc_if_init - Create the driver handle
* @ctx: device context
* @fourcc: encoder input format
* Return: 0 if creating handle successfully, otherwise it is failed.
*/
int venc_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc);
/*
* venc_if_deinit - Release the driver handle
* @ctx: device context
* Return: 0 if releasing handle successfully, otherwise it is failed.
*/
int venc_if_deinit(struct mtk_vcodec_ctx *ctx);
/*
* venc_if_set_param - Set parameter to driver
* @ctx: device context
* @type: parameter type
* @in: input parameter
* Return: 0 if setting param successfully, otherwise it is failed.
*/
int venc_if_set_param(struct mtk_vcodec_ctx *ctx,
enum venc_set_param_type type,
struct venc_enc_param *in);
/*
* venc_if_encode - Encode one frame
* @ctx: device context
* @opt: encode frame option
* @frm_buf: input frame buffer information
* @bs_buf: output bitstream buffer infomraiton
* @result: encode result
* Return: 0 if encoding frame successfully, otherwise it is failed.
*/
int venc_if_encode(struct mtk_vcodec_ctx *ctx,
enum venc_start_opt opt,
struct venc_frm_buf *frm_buf,
struct mtk_vcodec_mem *bs_buf,
struct venc_done_result *result);
#endif /* _VENC_DRV_IF_H_ */
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