diff options
Diffstat (limited to 'src/video_dec/libvdpau/nal.h')
| -rw-r--r-- | src/video_dec/libvdpau/nal.h | 501 |
1 files changed, 501 insertions, 0 deletions
diff --git a/src/video_dec/libvdpau/nal.h b/src/video_dec/libvdpau/nal.h new file mode 100644 index 000000000..f40617cd0 --- /dev/null +++ b/src/video_dec/libvdpau/nal.h @@ -0,0 +1,501 @@ +/* + * Copyright (C) 2008 Julian Scheel + * + * This file is part of xine, a free video player. + * + * xine 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. + * + * xine is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + * + * nal.h: H264 NAL structures + */ + +#ifndef NAL_H_ +#define NAL_H_ +#include <stdint.h> +#include <vdpau/vdpau.h> + +enum nal_unit_types +{ + NAL_UNSPECIFIED = 0, + NAL_SLICE, + NAL_PART_A, + NAL_PART_B, + NAL_PART_C, + NAL_SLICE_IDR, + NAL_SEI, + NAL_SPS, + NAL_PPS, + NAL_AU_DELIMITER, + NAL_END_OF_SEQUENCE, + NAL_END_OF_STREAM, + NAL_FILLER_DATA, + NAL_SPS_EXT +}; + +enum pic_struct { + DISP_FRAME = 0, + DISP_TOP, + DISP_BOTTOM, + DISP_TOP_BOTTOM, + DISP_BOTTOM_TOP, + DISP_TOP_BOTTOM_TOP, + DISP_BOTTOM_TOP_BOTTOM, + DISP_FRAME_DOUBLING, + DISP_FRAME_TRIPLING +}; + +enum ct_type { + CT_PROGRESSIVE = 0, + CT_INTERLACED, + CT_UNKNOWN, + CT_RESERVED +}; + +/* slice types repeat from 5-9, we + * need a helper function for comparison + */ +enum slice_types +{ + SLICE_P = 0, SLICE_B, SLICE_I, SLICE_SP, SLICE_SI +}; + +enum aspect_ratio +{ + ASPECT_UNSPECIFIED = 0, + ASPECT_1_1, + ASPECT_12_11, + ASPECT_10_11, + ASPECT_16_11, + ASPECT_40_33, + ASPECT_24_11, + ASPECT_20_11, + ASPECT_32_11, + ASPECT_80_33, + ASPECT_18_11, + ASPECT_15_11, + ASPECT_64_33, + ASPECT_160_99, + ASPECT_4_3, + ASPECT_3_2, + ASPECT_2_1, + ASPECT_RESERVED, + ASPECT_EXTENDED_SAR=255 +}; + +static const uint8_t zigzag_4x4[16] = { + 0+0*4, 1+0*4, 0+1*4, 0+2*4, + 1+1*4, 2+0*4, 3+0*4, 2+1*4, + 1+2*4, 0+3*4, 1+3*4, 2+2*4, + 3+1*4, 3+2*4, 2+3*4, 3+3*4, +}; + +static const uint8_t zigzag_8x8[64] = { + 0+0*8, 1+0*8, 0+1*8, 0+2*8, + 1+1*8, 2+0*8, 3+0*8, 2+1*8, + 1+2*8, 0+3*8, 0+4*8, 1+3*8, + 2+2*8, 3+1*8, 4+0*8, 5+0*8, + 4+1*8, 3+2*8, 2+3*8, 1+4*8, + 0+5*8, 0+6*8, 1+5*8, 2+4*8, + 3+3*8, 4+2*8, 5+1*8, 6+0*8, + 7+0*8, 6+1*8, 5+2*8, 4+3*8, + 3+4*8, 2+5*8, 1+6*8, 0+7*8, + 1+7*8, 2+6*8, 3+5*8, 4+4*8, + 5+3*8, 6+2*8, 7+1*8, 7+2*8, + 6+3*8, 5+4*8, 4+5*8, 3+6*8, + 2+7*8, 3+7*8, 4+6*8, 5+5*8, + 6+4*8, 7+3*8, 7+4*8, 6+5*8, + 5+6*8, 4+7*8, 5+7*8, 6+6*8, + 7+5*8, 7+6*8, 6+7*8, 7+7*8, +}; + +static inline uint32_t slice_type(uint32_t slice_type) +{ + return (slice_type < 10 ? slice_type % 5 : slice_type); +} + +#if 0 +static inline void print_slice_type(uint32_t slice_type) +{ + switch(slice_type) { + case SLICE_P: + printf("SLICE_P\n"); + break; + case SLICE_B: + printf("SLICE_B\n"); + break; + case SLICE_I: + printf("SLICE_I\n"); + break; + case SLICE_SP: + printf("SLICE_SP\n"); + break; + case SLICE_SI: + printf("SLICE_SI\n"); + break; + default: + printf("Unknown SLICE\n"); + } +} +#endif + +struct hrd_parameters +{ + uint32_t cpb_cnt_minus1; + uint8_t bit_rate_scale; + uint8_t cpb_size_scale; + + uint32_t bit_rate_value_minus1[32]; + uint32_t cpb_size_value_minus1[32]; + uint8_t cbr_flag[32]; + + uint8_t initial_cpb_removal_delay_length_minus1; + uint8_t cpb_removal_delay_length_minus1; + uint8_t dpb_output_delay_length_minus1; + uint8_t time_offset_length; +}; + +struct seq_parameter_set_rbsp +{ + uint8_t profile_idc; // 0xff + uint8_t constraint_setN_flag; // 0x0f + uint8_t level_idc; // 0xff + uint32_t seq_parameter_set_id; + uint32_t chroma_format_idc; + uint8_t separate_colour_plane_flag; // 0x01 + uint32_t bit_depth_luma_minus8; + uint32_t bit_depth_chroma_minus8; + uint8_t qpprime_y_zero_transform_bypass_flag; + uint8_t seq_scaling_matrix_present_flag; + + /* if(seq_scaling_matrix_present_flag) */ + uint8_t seq_scaling_list_present_flag[8]; + + uint8_t scaling_lists_4x4[6][16]; + uint8_t scaling_lists_8x8[2][64]; + /* endif */ + + uint32_t log2_max_frame_num_minus4; + uint32_t max_frame_num; + uint32_t pic_order_cnt_type; + // if pic_order_cnt_type==0 + uint32_t log2_max_pic_order_cnt_lsb_minus4; + // else + uint8_t delta_pic_order_always_zero_flag; + int32_t offset_for_non_ref_pic; + int32_t offset_for_top_to_bottom_field; + uint8_t num_ref_frames_in_pic_order_cnt_cycle; + int32_t offset_for_ref_frame[256]; + // TODO: some more ignored here + uint32_t num_ref_frames; + uint8_t gaps_in_frame_num_value_allowed_flag; + /*uint32_t pic_width_in_mbs_minus1; + uint32_t pic_height_in_map_units_minus1;*/ + uint32_t pic_width; + uint32_t pic_height; + uint8_t frame_mbs_only_flag; + uint8_t mb_adaptive_frame_field_flag; + uint8_t direct_8x8_inference_flag; + uint8_t frame_cropping_flag; + uint32_t frame_crop_left_offset; + uint32_t frame_crop_right_offset; + uint32_t frame_crop_top_offset; + uint32_t frame_crop_bottom_offset; + uint8_t vui_parameters_present_flag; + + /* vui_parameters */ + struct + { + uint8_t aspect_ration_info_present_flag; + + /* aspect_ration_info_present_flag == 1 */ + uint8_t aspect_ratio_idc; + uint16_t sar_width; + uint16_t sar_height; + + uint8_t overscan_info_present_flag; + /* overscan_info_present_flag == 1 */ + uint8_t overscan_appropriate_flag; + + uint8_t video_signal_type_present_flag; + /* video_signal_type_present_flag == 1 */ + uint8_t video_format; + uint8_t video_full_range_flag; + uint8_t colour_description_present; + /* colour_description_present == 1 */ + uint8_t colour_primaries; + uint8_t transfer_characteristics; + uint8_t matrix_coefficients; + + uint8_t chroma_loc_info_present_flag; + /* chroma_loc_info_present_flag == 1 */ + uint8_t chroma_sample_loc_type_top_field; + uint8_t chroma_sample_loc_type_bottom_field; + + uint8_t timing_info_present_flag; + /* timing_info_present_flag == 1 */ + uint32_t num_units_in_tick; + uint32_t time_scale; + uint8_t fixed_frame_rate_flag; + + uint8_t nal_hrd_parameters_present_flag; + struct hrd_parameters nal_hrd_parameters; + + uint8_t vc1_hrd_parameters_present_flag; + struct hrd_parameters vc1_hrd_parameters; + + uint8_t low_delay_hrd_flag; + + uint8_t pic_struct_present_flag; + uint8_t bitstream_restriction_flag; + + /* bitstream_restriction_flag == 1 */ + uint8_t motion_vectors_over_pic_boundaries; + uint32_t max_bytes_per_pic_denom; + uint32_t max_bits_per_mb_denom; + uint32_t log2_max_mv_length_horizontal; + uint32_t log2_max_mv_length_vertical; + uint32_t num_reorder_frames; + uint32_t max_dec_frame_buffering; + } vui_parameters; + +}; + +struct pic_parameter_set_rbsp +{ + uint32_t pic_parameter_set_id; + uint32_t seq_parameter_set_id; + uint8_t entropy_coding_mode_flag; + uint8_t pic_order_present_flag; + + uint32_t num_slice_groups_minus1; + + /* num_slice_groups_minus1 > 0 */ + uint32_t slice_group_map_type; + + /* slice_group_map_type == 1 */ + uint32_t run_length_minus1[64]; + + /* slice_group_map_type == 2 */ + uint32_t top_left[64]; + uint32_t bottom_right[64]; + + /* slice_group_map_type == 3,4,5 */ + uint8_t slice_group_change_direction_flag; + uint32_t slice_group_change_rate_minus1; + + /* slice_group_map_type == 6 */ + uint32_t pic_size_in_map_units_minus1; + uint8_t slice_group_id[64]; + + uint32_t num_ref_idx_l0_active_minus1; + uint32_t num_ref_idx_l1_active_minus1; + uint8_t weighted_pred_flag; + uint8_t weighted_bipred_idc; + int32_t pic_init_qp_minus26; + int32_t pic_init_qs_minus26; + int32_t chroma_qp_index_offset; + uint8_t deblocking_filter_control_present_flag; + uint8_t constrained_intra_pred_flag; + uint8_t redundant_pic_cnt_present_flag; + + /* if(more_rbsp_data) */ + uint8_t transform_8x8_mode_flag; + uint8_t pic_scaling_matrix_present_flag; + + /* if(pic_scaling_matrix_present_flag) */ + uint8_t pic_scaling_list_present_flag[8]; + + uint8_t scaling_lists_4x4[6][16]; + uint8_t scaling_lists_8x8[2][64]; + + int32_t second_chroma_qp_index_offset; +}; + +/*struct clock_timestamp { + uint8_t ct_type; + uint8_t nuit_fiel_based_flag; + uint8_t counting_type; + uint8_t full_timestamp_flag; + uint8_t discontinuity_flag; + uint8_t cnt_dropped_flag; + uint8_t n_frames +};*/ + +/* sei contains several additional info, we do + * only care for pic_timing, to handle display + * reordering + */ +struct sei_message +{ + uint32_t payload_type; + uint8_t last_payload_type_byte; + uint32_t payload_size; + uint8_t last_payload_size_byte; + + struct + { + /* cpb_dpb_delays_present_flag == 1 */ + uint8_t cpb_removal_delay; + uint8_t dpb_output_delay; + + uint8_t pic_struct; + uint8_t ct_type : 1; + uint8_t nuit_field_based_flag : 1; + uint8_t counting_type : 5; + uint8_t full_timestamp_flag : 1; + uint8_t discontinuity_flag : 1; + uint8_t cnt_dropped_flag : 1; + uint8_t n_frames; + + uint8_t seconds_value : 6; + uint8_t minutes_value : 6; + uint8_t hours_value : 5; + + int32_t time_offset; + } pic_timing; +}; + +struct slice_header +{ + uint32_t first_mb_in_slice; + uint32_t slice_type; + uint32_t pic_parameter_set_id; + uint8_t colour_plane_id; + uint32_t frame_num; + uint8_t field_pic_flag; + uint8_t bottom_field_flag; + uint32_t idr_pic_id; + + /* sps->pic_order_cnt_type == 0 */ + uint32_t pic_order_cnt_lsb; + int32_t delta_pic_order_cnt_bottom; + /* sps->pic_order_cnt_type == 1 && !sps->delta_pic_order_always_zero_flag */ + int32_t delta_pic_order_cnt[2]; + + /* pps->redundant_pic_cnt_present_flag == 1 */ + int32_t redundant_pic_cnt; + + /* slice_type == B */ + uint8_t direct_spatial_mv_pred_flag; + + /* slice_type == P, SP, B */ + uint8_t num_ref_idx_active_override_flag; + /* num_ref_idx_active_override_flag == 1 */ + uint32_t num_ref_idx_l0_active_minus1; + /* slice type == B */ + uint32_t num_ref_idx_l1_active_minus1; + + /* ref_pic_list_reordering */ + struct + { + /* slice_type != I && slice_type != SI */ + uint8_t ref_pic_list_reordering_flag_l0; + + /* slice_type == B */ + uint8_t ref_pic_list_reordering_flag_l1; + + /* ref_pic_list_reordering_flag_l0 == 1 */ + uint32_t reordering_of_pic_nums_idc; + + /* reordering_of_pic_nums_idc == 0, 1 */ + uint32_t abs_diff_pic_num_minus1; + + /* reordering_of_pic_nums_idc == 2) */ + uint32_t long_term_pic_num; + } ref_pic_list_reordering; + + /* pred_weight_table */ + struct + { + uint32_t luma_log2_weight_denom; + + /* chroma_format_idc != 0 */ + uint32_t chroma_log2_weight_denom; + + int32_t luma_weight_l0[32]; + int32_t luma_offset_l0[32]; + + int32_t chroma_weight_l0[32][2]; + int32_t chroma_offset_l0[32][2]; + + int32_t luma_weight_l1[32]; + int32_t luma_offset_l1[32]; + + int32_t chroma_weight_l1[32][2]; + int32_t chroma_offset_l1[32][2]; + } pred_weight_table; + + /* def_rec_pic_marking */ + struct + { + + /* nal_unit_type == NAL_SLICE_IDR */ + uint8_t no_output_of_prior_pics_flag; + uint8_t long_term_reference_flag; + + /* else */ + uint8_t adaptive_ref_pic_marking_mode_flag; + uint32_t memory_management_control_operation; + + uint32_t difference_of_pic_nums_minus1; + uint32_t long_term_pic_num; + uint32_t long_term_frame_idx; + uint32_t max_long_term_frame_idx_plus1; + } dec_ref_pic_marking[10]; + uint32_t dec_ref_pic_marking_count; +}; + +struct nal_unit { + uint8_t nal_ref_idc; // 0x03 + enum nal_unit_types nal_unit_type; // 0x1f + + //union { + struct sei_message sei; + struct seq_parameter_set_rbsp sps; + struct pic_parameter_set_rbsp pps; + struct slice_header slc; + //}; + + struct nal_unit *prev; + struct nal_unit *next; + + uint32_t lock_counter; +}; + +struct nal_buffer { + struct nal_unit *first; + struct nal_unit *last; + + uint8_t max_size; + uint8_t used; +}; + +struct nal_buffer* create_nal_buffer(uint8_t max_size); +void free_nal_buffer(struct nal_buffer *nal_buffer); +void nal_buffer_append(struct nal_buffer *nal_buffer, struct nal_unit *nal); +void nal_buffer_remove(struct nal_buffer *nal_buffer, struct nal_unit *nal); +void nal_buffer_flush(struct nal_buffer *nal_buffer); + +struct nal_unit* nal_buffer_get_by_sps_id(struct nal_buffer *nal_buffer, + uint32_t seq_parameter_set_id); +struct nal_unit* nal_buffer_get_by_pps_id(struct nal_buffer *nal_buffer, + uint32_t pic_parameter_set_id); +struct nal_unit* nal_buffer_get_last(struct nal_buffer *nal_buffer); + +struct nal_unit* create_nal_unit(void); +void lock_nal_unit(struct nal_unit *nal); +void release_nal_unit(struct nal_unit *nal); +void copy_nal_unit(struct nal_unit *dest, struct nal_unit *src); + +#endif /* NAL_H_ */ |