/* * Copyright (C) 2016-2017 Dmitry Osipenko <digetx@gmail.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #ifndef _UAPI_TEGRA_VDE_H_ #define _UAPI_TEGRA_VDE_H_ #include <linux/types.h> #include <asm/ioctl.h> #define FLAG_B_FRAME BIT(0) #define FLAG_REFERENCE BIT(1) struct tegra_vde_h264_frame { __s32 y_fd; __s32 cb_fd; __s32 cr_fd; __s32 aux_fd; __u32 y_offset; __u32 cb_offset; __u32 cr_offset; __u32 aux_offset; __u32 frame_num; __u32 flags; __u32 reserved; } __attribute__((packed)); struct tegra_vde_h264_decoder_ctx { __s32 bitstream_data_fd; __u32 bitstream_data_offset; __u64 dpb_frames_ptr; __u8 dpb_frames_nb; __u8 dpb_ref_frames_with_earlier_poc_nb; // SPS __u8 baseline_profile; __u8 level_idc; __u8 log2_max_pic_order_cnt_lsb; __u8 log2_max_frame_num; __u8 pic_order_cnt_type; __u8 direct_8x8_inference_flag; __u8 pic_width_in_mbs; __u8 pic_height_in_mbs; // PPS __u8 pic_init_qp; __u8 deblocking_filter_control_present_flag; __u8 constrained_intra_pred_flag; __u8 chroma_qp_index_offset; __u8 pic_order_present_flag; // Slice header __u8 num_ref_idx_l0_active_minus1; __u8 num_ref_idx_l1_active_minus1; __u32 reserved; } __attribute__((packed)); #define VDE_IOCTL_BASE ('v' + 0x20) #define VDE_IO(nr) _IO(VDE_IOCTL_BASE, nr) #define VDE_IOR(nr, type) _IOR(VDE_IOCTL_BASE, nr, type) #define VDE_IOW(nr, type) _IOW(VDE_IOCTL_BASE, nr, type) #define VDE_IOWR(nr, type) _IOWR(VDE_IOCTL_BASE, nr, type) #define TEGRA_VDE_DECODE_H264 0x00 #define TEGRA_VDE_IOCTL_DECODE_H264 \ VDE_IOW(TEGRA_VDE_DECODE_H264, struct tegra_vde_h264_decoder_ctx) #endif // _UAPI_TEGRA_VDE_H_