/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2016 MediaTek Inc. * Author: Daniel Hsiao <[email protected]> * Jungchang Tsao <[email protected]> * Tiffany Lin <[email protected]> */ #ifndef _VENC_DRV_IF_H_ #define _VENC_DRV_IF_H_ #include "mtk_vcodec_enc_drv.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 { … }; /* * 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 { … }; /* * 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 { … }; /* * 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 { … }; /** * struct venc_frame_info - per-frame information to pass to the firmware. * * @frm_count: sequential number for this frame * @skip_frm_count: number of frames skipped so far while decoding * @frm_type: type of the frame, from enum venc_h264_frame_type */ struct venc_frame_info { … }; /* * struct venc_frm_buf - frame buffer information used in venc_if_encode() * @fb_addr: plane frame buffer addresses */ struct venc_frm_buf { … }; /* * 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 { … }; extern const struct venc_common_if venc_h264_if; extern const struct venc_common_if venc_vp8_if; /* * 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_enc_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_enc_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_enc_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 information * @result: encode result * Return: 0 if encoding frame successfully, otherwise it is failed. */ int venc_if_encode(struct mtk_vcodec_enc_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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