| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* Copyright (C) 2016-2017 Dmitry Osipenko <digetx@gmail.com> */ |
| #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_ |
