venc_drv_if.h (5070B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Copyright (c) 2016 MediaTek Inc. 4 * Author: Daniel Hsiao <daniel.hsiao@mediatek.com> 5 * Jungchang Tsao <jungchang.tsao@mediatek.com> 6 * Tiffany Lin <tiffany.lin@mediatek.com> 7 */ 8 9#ifndef _VENC_DRV_IF_H_ 10#define _VENC_DRV_IF_H_ 11 12#include "mtk_vcodec_drv.h" 13#include "mtk_vcodec_util.h" 14 15/* 16 * enum venc_yuv_fmt - The type of input yuv format 17 * (VPU related: If you change the order, you must also update the VPU codes.) 18 * @VENC_YUV_FORMAT_I420: I420 YUV format 19 * @VENC_YUV_FORMAT_YV12: YV12 YUV format 20 * @VENC_YUV_FORMAT_NV12: NV12 YUV format 21 * @VENC_YUV_FORMAT_NV21: NV21 YUV format 22 */ 23enum venc_yuv_fmt { 24 VENC_YUV_FORMAT_I420 = 3, 25 VENC_YUV_FORMAT_YV12 = 5, 26 VENC_YUV_FORMAT_NV12 = 6, 27 VENC_YUV_FORMAT_NV21 = 7, 28}; 29 30/* 31 * enum venc_start_opt - encode frame option used in venc_if_encode() 32 * @VENC_START_OPT_ENCODE_SEQUENCE_HEADER: encode SPS/PPS for H264 33 * @VENC_START_OPT_ENCODE_FRAME: encode normal frame 34 */ 35enum venc_start_opt { 36 VENC_START_OPT_ENCODE_SEQUENCE_HEADER, 37 VENC_START_OPT_ENCODE_FRAME, 38}; 39 40/* 41 * enum venc_set_param_type - The type of set parameter used in 42 * venc_if_set_param() 43 * (VPU related: If you change the order, you must also update the VPU codes.) 44 * @VENC_SET_PARAM_ENC: set encoder parameters 45 * @VENC_SET_PARAM_FORCE_INTRA: force an intra frame 46 * @VENC_SET_PARAM_ADJUST_BITRATE: adjust bitrate (in bps) 47 * @VENC_SET_PARAM_ADJUST_FRAMERATE: set frame rate 48 * @VENC_SET_PARAM_GOP_SIZE: set IDR interval 49 * @VENC_SET_PARAM_INTRA_PERIOD: set I frame interval 50 * @VENC_SET_PARAM_SKIP_FRAME: set H264 skip one frame 51 * @VENC_SET_PARAM_PREPEND_HEADER: set H264 prepend SPS/PPS before IDR 52 * @VENC_SET_PARAM_TS_MODE: set VP8 temporal scalability mode 53 */ 54enum venc_set_param_type { 55 VENC_SET_PARAM_ENC, 56 VENC_SET_PARAM_FORCE_INTRA, 57 VENC_SET_PARAM_ADJUST_BITRATE, 58 VENC_SET_PARAM_ADJUST_FRAMERATE, 59 VENC_SET_PARAM_GOP_SIZE, 60 VENC_SET_PARAM_INTRA_PERIOD, 61 VENC_SET_PARAM_SKIP_FRAME, 62 VENC_SET_PARAM_PREPEND_HEADER, 63 VENC_SET_PARAM_TS_MODE, 64}; 65 66/* 67 * struct venc_enc_prm - encoder settings for VENC_SET_PARAM_ENC used in 68 * venc_if_set_param() 69 * @input_fourcc: input yuv format 70 * @h264_profile: V4L2 defined H.264 profile 71 * @h264_level: V4L2 defined H.264 level 72 * @width: image width 73 * @height: image height 74 * @buf_width: buffer width 75 * @buf_height: buffer height 76 * @frm_rate: frame rate in fps 77 * @intra_period: intra frame period 78 * @bitrate: target bitrate in bps 79 * @gop_size: group of picture size 80 */ 81struct venc_enc_param { 82 enum venc_yuv_fmt input_yuv_fmt; 83 unsigned int h264_profile; 84 unsigned int h264_level; 85 unsigned int width; 86 unsigned int height; 87 unsigned int buf_width; 88 unsigned int buf_height; 89 unsigned int frm_rate; 90 unsigned int intra_period; 91 unsigned int bitrate; 92 unsigned int gop_size; 93}; 94 95/** 96 * struct venc_frame_info - per-frame information to pass to the firmware. 97 * 98 * @frm_count: sequential number for this frame 99 * @skip_frm_count: number of frames skipped so far while decoding 100 * @frm_type: type of the frame, from enum venc_h264_frame_type 101 */ 102struct venc_frame_info { 103 unsigned int frm_count; /* per frame update */ 104 unsigned int skip_frm_count; /* per frame update */ 105 unsigned int frm_type; /* per frame update */ 106}; 107 108/* 109 * struct venc_frm_buf - frame buffer information used in venc_if_encode() 110 * @fb_addr: plane frame buffer addresses 111 */ 112struct venc_frm_buf { 113 struct mtk_vcodec_fb fb_addr[MTK_VCODEC_MAX_PLANES]; 114}; 115 116/* 117 * struct venc_done_result - This is return information used in venc_if_encode() 118 * @bs_size: output bitstream size 119 * @is_key_frm: output is key frame or not 120 */ 121struct venc_done_result { 122 unsigned int bs_size; 123 bool is_key_frm; 124}; 125 126extern const struct venc_common_if venc_h264_if; 127extern const struct venc_common_if venc_vp8_if; 128 129/* 130 * venc_if_init - Create the driver handle 131 * @ctx: device context 132 * @fourcc: encoder input format 133 * Return: 0 if creating handle successfully, otherwise it is failed. 134 */ 135int venc_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc); 136 137/* 138 * venc_if_deinit - Release the driver handle 139 * @ctx: device context 140 * Return: 0 if releasing handle successfully, otherwise it is failed. 141 */ 142int venc_if_deinit(struct mtk_vcodec_ctx *ctx); 143 144/* 145 * venc_if_set_param - Set parameter to driver 146 * @ctx: device context 147 * @type: parameter type 148 * @in: input parameter 149 * Return: 0 if setting param successfully, otherwise it is failed. 150 */ 151int venc_if_set_param(struct mtk_vcodec_ctx *ctx, 152 enum venc_set_param_type type, 153 struct venc_enc_param *in); 154 155/* 156 * venc_if_encode - Encode one frame 157 * @ctx: device context 158 * @opt: encode frame option 159 * @frm_buf: input frame buffer information 160 * @bs_buf: output bitstream buffer infomraiton 161 * @result: encode result 162 * Return: 0 if encoding frame successfully, otherwise it is failed. 163 */ 164int venc_if_encode(struct mtk_vcodec_ctx *ctx, 165 enum venc_start_opt opt, 166 struct venc_frm_buf *frm_buf, 167 struct mtk_vcodec_mem *bs_buf, 168 struct venc_done_result *result); 169 170#endif /* _VENC_DRV_IF_H_ */