diff options
Diffstat (limited to 'drivers/staging/media/tegra-vde/uapi.h')
| -rw-r--r-- | drivers/staging/media/tegra-vde/uapi.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/staging/media/tegra-vde/uapi.h b/drivers/staging/media/tegra-vde/uapi.h new file mode 100644 index 000000000000..a50c7bcae057 --- /dev/null +++ b/drivers/staging/media/tegra-vde/uapi.h @@ -0,0 +1,78 @@ +/* + * 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 (1 << 0) +#define FLAG_REFERENCE (1 << 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_ |