projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 95140634 HV |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* | |
| 3 | * These are the MPEG2 state controls for use with stateless MPEG-2 | |
| 4 | * codec drivers. | |
| 5 | * | |
| 6 | * It turns out that these structs are not stable yet and will undergo | |
| 7 | * more changes. So keep them private until they are stable and ready to | |
| 8 | * become part of the official public API. | |
| 9 | */ | |
| 10 | ||
| 11 | #ifndef _MPEG2_CTRLS_H_ | |
| 12 | #define _MPEG2_CTRLS_H_ | |
| 13 | ||
| 14 | #define V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS (V4L2_CID_MPEG_BASE+250) | |
| 15 | #define V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION (V4L2_CID_MPEG_BASE+251) | |
| 16 | ||
| 17 | /* enum v4l2_ctrl_type type values */ | |
| 18 | #define V4L2_CTRL_TYPE_MPEG2_SLICE_PARAMS 0x0103 | |
| 19 | #define V4L2_CTRL_TYPE_MPEG2_QUANTIZATION 0x0104 | |
| 20 | ||
| 21 | #define V4L2_MPEG2_PICTURE_CODING_TYPE_I 1 | |
| 22 | #define V4L2_MPEG2_PICTURE_CODING_TYPE_P 2 | |
| 23 | #define V4L2_MPEG2_PICTURE_CODING_TYPE_B 3 | |
| 24 | #define V4L2_MPEG2_PICTURE_CODING_TYPE_D 4 | |
| 25 | ||
| 26 | struct v4l2_mpeg2_sequence { | |
| 27 | /* ISO/IEC 13818-2, ITU-T Rec. H.262: Sequence header */ | |
| 28 | __u16 horizontal_size; | |
| 29 | __u16 vertical_size; | |
| 30 | __u32 vbv_buffer_size; | |
| 31 | ||
| 32 | /* ISO/IEC 13818-2, ITU-T Rec. H.262: Sequence extension */ | |
| 33 | __u8 profile_and_level_indication; | |
| 34 | __u8 progressive_sequence; | |
| 35 | __u8 chroma_format; | |
| 36 | __u8 pad; | |
| 37 | }; | |
| 38 | ||
| 39 | struct v4l2_mpeg2_picture { | |
| 40 | /* ISO/IEC 13818-2, ITU-T Rec. H.262: Picture header */ | |
| 41 | __u8 picture_coding_type; | |
| 42 | ||
| 43 | /* ISO/IEC 13818-2, ITU-T Rec. H.262: Picture coding extension */ | |
| 44 | __u8 f_code[2][2]; | |
| 45 | __u8 intra_dc_precision; | |
| 46 | __u8 picture_structure; | |
| 47 | __u8 top_field_first; | |
| 48 | __u8 frame_pred_frame_dct; | |
| 49 | __u8 concealment_motion_vectors; | |
| 50 | __u8 q_scale_type; | |
| 51 | __u8 intra_vlc_format; | |
| 52 | __u8 alternate_scan; | |
| 53 | __u8 repeat_first_field; | |
| 54 | __u8 progressive_frame; | |
| 55 | __u8 pad; | |
| 56 | }; | |
| 57 | ||
| 58 | struct v4l2_ctrl_mpeg2_slice_params { | |
| 59 | __u32 bit_size; | |
| 60 | __u32 data_bit_offset; | |
| 61 | ||
| 62 | struct v4l2_mpeg2_sequence sequence; | |
| 63 | struct v4l2_mpeg2_picture picture; | |
| 64 | ||
| 65 | /* ISO/IEC 13818-2, ITU-T Rec. H.262: Slice */ | |
| 66 | __u8 quantiser_scale_code; | |
| 67 | ||
| 68 | __u8 backward_ref_index; | |
| 69 | __u8 forward_ref_index; | |
| 70 | __u8 pad; | |
| 71 | }; | |
| 72 | ||
| 73 | struct v4l2_ctrl_mpeg2_quantization { | |
| 74 | /* ISO/IEC 13818-2, ITU-T Rec. H.262: Quant matrix extension */ | |
| 75 | __u8 load_intra_quantiser_matrix; | |
| 76 | __u8 load_non_intra_quantiser_matrix; | |
| 77 | __u8 load_chroma_intra_quantiser_matrix; | |
| 78 | __u8 load_chroma_non_intra_quantiser_matrix; | |
| 79 | ||
| 80 | __u8 intra_quantiser_matrix[64]; | |
| 81 | __u8 non_intra_quantiser_matrix[64]; | |
| 82 | __u8 chroma_intra_quantiser_matrix[64]; | |
| 83 | __u8 chroma_non_intra_quantiser_matrix[64]; | |
| 84 | }; | |
| 85 | ||
| 86 | #endif |