1 /* 2 * Copyright (C) 2016-2017 Dmitry Osipenko <digetx@gmail.com> 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License 6 * as published by the Free Software Foundation; either version 7 * 2 of the License, or (at your option) any later version. 8 */ 9 10 #ifndef _UAPI_TEGRA_VDE_H_ 11 #define _UAPI_TEGRA_VDE_H_ 12 13 #include <linux/types.h> 14 #include <asm/ioctl.h> 15 16 #define FLAG_B_FRAME (1 << 0) 17 #define FLAG_REFERENCE (1 << 1) 18 19 struct tegra_vde_h264_frame { 20 __s32 y_fd; 21 __s32 cb_fd; 22 __s32 cr_fd; 23 __s32 aux_fd; 24 __u32 y_offset; 25 __u32 cb_offset; 26 __u32 cr_offset; 27 __u32 aux_offset; 28 __u32 frame_num; 29 __u32 flags; 30 31 __u32 reserved; 32 } __attribute__((packed)); 33 34 struct tegra_vde_h264_decoder_ctx { 35 __s32 bitstream_data_fd; 36 __u32 bitstream_data_offset; 37 38 __u64 dpb_frames_ptr; 39 __u8 dpb_frames_nb; 40 __u8 dpb_ref_frames_with_earlier_poc_nb; 41 42 // SPS 43 __u8 baseline_profile; 44 __u8 level_idc; 45 __u8 log2_max_pic_order_cnt_lsb; 46 __u8 log2_max_frame_num; 47 __u8 pic_order_cnt_type; 48 __u8 direct_8x8_inference_flag; 49 __u8 pic_width_in_mbs; 50 __u8 pic_height_in_mbs; 51 52 // PPS 53 __u8 pic_init_qp; 54 __u8 deblocking_filter_control_present_flag; 55 __u8 constrained_intra_pred_flag; 56 __u8 chroma_qp_index_offset; 57 __u8 pic_order_present_flag; 58 59 // Slice header 60 __u8 num_ref_idx_l0_active_minus1; 61 __u8 num_ref_idx_l1_active_minus1; 62 63 __u32 reserved; 64 } __attribute__((packed)); 65 66 #define VDE_IOCTL_BASE ('v' + 0x20) 67 68 #define VDE_IO(nr) _IO(VDE_IOCTL_BASE, nr) 69 #define VDE_IOR(nr, type) _IOR(VDE_IOCTL_BASE, nr, type) 70 #define VDE_IOW(nr, type) _IOW(VDE_IOCTL_BASE, nr, type) 71 #define VDE_IOWR(nr, type) _IOWR(VDE_IOCTL_BASE, nr, type) 72 73 #define TEGRA_VDE_DECODE_H264 0x00 74 75 #define TEGRA_VDE_IOCTL_DECODE_H264 \ 76 VDE_IOW(TEGRA_VDE_DECODE_H264, struct tegra_vde_h264_decoder_ctx) 77 78 #endif // _UAPI_TEGRA_VDE_H_ 79
