mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-14 13:21:28 +00:00
72c0b3e5ae
This is derived from the H264 decoder, some boiler plate will be factored out in the following commits. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1216>
112 lines
2.7 KiB
C
112 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* These are the VP8 state controls for use with stateless VP8
|
|
* codec drivers.
|
|
*
|
|
* It turns out that these structs are not stable yet and will undergo
|
|
* more changes. So keep them private until they are stable and ready to
|
|
* become part of the official public API.
|
|
*/
|
|
|
|
#ifndef _VP8_CTRLS_H_
|
|
#define _VP8_CTRLS_H_
|
|
|
|
#include <linux/types.h>
|
|
|
|
#define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F')
|
|
|
|
#define V4L2_CID_MPEG_VIDEO_VP8_FRAME_HEADER (V4L2_CID_MPEG_BASE + 2000)
|
|
#define V4L2_CTRL_TYPE_VP8_FRAME_HEADER 0x301
|
|
|
|
#define V4L2_VP8_SEGMENT_HEADER_FLAG_ENABLED 0x01
|
|
#define V4L2_VP8_SEGMENT_HEADER_FLAG_UPDATE_MAP 0x02
|
|
#define V4L2_VP8_SEGMENT_HEADER_FLAG_UPDATE_FEATURE_DATA 0x04
|
|
#define V4L2_VP8_SEGMENT_HEADER_FLAG_DELTA_VALUE_MODE 0x08
|
|
|
|
struct v4l2_vp8_segment_header {
|
|
__s8 quant_update[4];
|
|
__s8 lf_update[4];
|
|
__u8 segment_probs[3];
|
|
__u8 padding;
|
|
__u32 flags;
|
|
};
|
|
|
|
#define V4L2_VP8_LF_HEADER_ADJ_ENABLE 0x01
|
|
#define V4L2_VP8_LF_HEADER_DELTA_UPDATE 0x02
|
|
#define V4L2_VP8_LF_FILTER_TYPE_SIMPLE 0x04
|
|
struct v4l2_vp8_loopfilter_header {
|
|
__s8 ref_frm_delta[4];
|
|
__s8 mb_mode_delta[4];
|
|
__u8 sharpness_level;
|
|
__u8 level;
|
|
__u16 padding;
|
|
__u32 flags;
|
|
};
|
|
|
|
struct v4l2_vp8_quantization_header {
|
|
__u8 y_ac_qi;
|
|
__s8 y_dc_delta;
|
|
__s8 y2_dc_delta;
|
|
__s8 y2_ac_delta;
|
|
__s8 uv_dc_delta;
|
|
__s8 uv_ac_delta;
|
|
__u16 padding;
|
|
};
|
|
|
|
struct v4l2_vp8_entropy_header {
|
|
__u8 coeff_probs[4][8][3][11];
|
|
__u8 y_mode_probs[4];
|
|
__u8 uv_mode_probs[3];
|
|
__u8 mv_probs[2][19];
|
|
__u8 padding[3];
|
|
};
|
|
|
|
struct v4l2_vp8_entropy_coder_state {
|
|
__u8 range;
|
|
__u8 value;
|
|
__u8 bit_count;
|
|
__u8 padding;
|
|
};
|
|
|
|
#define V4L2_VP8_FRAME_HEADER_FLAG_KEY_FRAME 0x01
|
|
#define V4L2_VP8_FRAME_HEADER_FLAG_EXPERIMENTAL 0x02
|
|
#define V4L2_VP8_FRAME_HEADER_FLAG_SHOW_FRAME 0x04
|
|
#define V4L2_VP8_FRAME_HEADER_FLAG_MB_NO_SKIP_COEFF 0x08
|
|
#define V4L2_VP8_FRAME_HEADER_FLAG_SIGN_BIAS_GOLDEN 0x10
|
|
#define V4L2_VP8_FRAME_HEADER_FLAG_SIGN_BIAS_ALT 0x20
|
|
|
|
#define VP8_FRAME_IS_KEY_FRAME(hdr) \
|
|
(!!((hdr)->flags & V4L2_VP8_FRAME_HEADER_FLAG_KEY_FRAME))
|
|
|
|
struct v4l2_ctrl_vp8_frame_header {
|
|
struct v4l2_vp8_segment_header segment_header;
|
|
struct v4l2_vp8_loopfilter_header lf_header;
|
|
struct v4l2_vp8_quantization_header quant_header;
|
|
struct v4l2_vp8_entropy_header entropy_header;
|
|
struct v4l2_vp8_entropy_coder_state coder_state;
|
|
|
|
__u16 width;
|
|
__u16 height;
|
|
|
|
__u8 horizontal_scale;
|
|
__u8 vertical_scale;
|
|
|
|
__u8 version;
|
|
__u8 prob_skip_false;
|
|
__u8 prob_intra;
|
|
__u8 prob_last;
|
|
__u8 prob_gf;
|
|
__u8 num_dct_parts;
|
|
|
|
__u32 first_part_size;
|
|
__u32 first_part_header_bits;
|
|
__u32 dct_part_sizes[8];
|
|
|
|
__u64 last_frame_ts;
|
|
__u64 golden_frame_ts;
|
|
__u64 alt_frame_ts;
|
|
|
|
__u64 flags;
|
|
};
|
|
|
|
#endif
|