diff options
Diffstat (limited to 'src/libvdpau/nal_parser.h')
| -rw-r--r-- | src/libvdpau/nal_parser.h | 377 |
1 files changed, 0 insertions, 377 deletions
diff --git a/src/libvdpau/nal_parser.h b/src/libvdpau/nal_parser.h deleted file mode 100644 index 7c43070cb..000000000 --- a/src/libvdpau/nal_parser.h +++ /dev/null @@ -1,377 +0,0 @@ -#ifndef NAL_PARSER_H_ -#define NAL_PARSER_H_ - -#include <stdlib.h> - -#include "xine_internal.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 -}; - -/* 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 -}; - -static inline uint32_t slice_type(uint32_t slice_type) { return (slice_type < 10 ? slice_type % 5 : slice_type); } - -struct nal_unit { - uint8_t nal_ref_idc; // 0x03 - uint8_t nal_unit_type; // 0x1f - - struct seq_parameter_set_rbsp *sps; - struct pic_parameter_set_rbsp *pps; - struct slice_header *slc; -}; - -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 residual_colour_transform_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 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 */ - union { - 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 slice_header { - uint32_t first_mb_in_slice; - uint32_t slice_type; - uint32_t pic_parameter_set_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 */ - union { - /* 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 */ - union { - 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 */ - union { - - /* 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; -}; - - -struct decoded_picture { - //VdpReferenceFrameH264 surface; - struct nal_unit *nal; -}; - -/* Decoded Picture Buffer */ -struct dpb { - uint32_t max_frame_num; - - uint32_t prev_ref_frame_number; - uint32_t unused_short_term_frame_num; - uint32_t non_existing_pictures[32]; - - struct decoded_picture *pictures; -}; - -#define MAX_FRAME_SIZE 1024*1024 - -struct nal_parser { - uint8_t buf[MAX_FRAME_SIZE]; - int buf_len; - int found_sps; - int found_pps; - int last_nal_res; - - int is_idr; - int field; /* 0=top, 1=bottom, -1=both */ - int slice; - int slice_cnt; - int have_top; - int have_frame; - - struct nal_unit *nal0; - struct nal_unit *nal1; - struct nal_unit *current_nal; - struct nal_unit *last_nal; - - /* pic_order_cnt */ - int32_t top_field_order_cnt; - int32_t bottom_field_order_cnt; - int32_t pic_order_cnt_msb; - int32_t prev_pic_order_cnt_msb; - int32_t prev_pic_order_cnt_lsb; - - struct dpb *dpb; -}; - -int parse_nal(uint8_t *buf, int buf_len, struct nal_parser *parser); - -int seek_for_nal(uint8_t *buf, int buf_len); - -struct nal_parser* init_parser(); -void free_parser(struct nal_parser *parser); -int parse_frame(struct nal_parser *parser, uint8_t *inbuf, int inbuf_len, - uint8_t **ret_buf, uint32_t *ret_len, uint32_t *ret_slice_cnt); - -#endif |