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authorJames Almer <jamrial@gmail.com>2023-06-17 12:37:15 -0300
committerJames Almer <jamrial@gmail.com>2023-06-19 12:57:31 -0300
commit1e189fed7aba09e7b2198fd5460331ea9501d248 (patch)
tree2240fa8ef6a26916af2aa590c472ebabf4b51d24 /libavcodec/evc_parse.h
parent4afee83d359b47949f037ef63183847041ad5e3c (diff)
downloadffmpeg-1e189fed7aba09e7b2198fd5460331ea9501d248.tar.gz
avcodec/evc_parse: split off Parameter Set parsing into its own file
Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavcodec/evc_parse.h')
-rw-r--r--libavcodec/evc_parse.h198
1 files changed, 2 insertions, 196 deletions
diff --git a/libavcodec/evc_parse.h b/libavcodec/evc_parse.h
index ee4b6c5708..b5462f5711 100644
--- a/libavcodec/evc_parse.h
+++ b/libavcodec/evc_parse.h
@@ -30,190 +30,7 @@
#include "libavutil/log.h"
#include "libavutil/rational.h"
#include "evc.h"
-
-#define EVC_MAX_QP_TABLE_SIZE 58
-#define NUM_CPB 32
-
-// rpl structure
-typedef struct RefPicListStruct {
- int poc;
- int tid;
- int ref_pic_num;
- int ref_pic_active_num;
- int ref_pics[EVC_MAX_NUM_REF_PICS];
- char pic_type;
-
-} RefPicListStruct;
-
-// chromaQP table structure to be signalled in SPS
-typedef struct ChromaQpTable {
- int chroma_qp_table_present_flag; // u(1)
- int same_qp_table_for_chroma; // u(1)
- int global_offset_flag; // u(1)
- int num_points_in_qp_table_minus1[2]; // ue(v)
- int delta_qp_in_val_minus1[2][EVC_MAX_QP_TABLE_SIZE]; // u(6)
- int delta_qp_out_val[2][EVC_MAX_QP_TABLE_SIZE]; // se(v)
-} ChromaQpTable;
-
-// Hypothetical Reference Decoder (HRD) parameters, part of VUI
-typedef struct HRDParameters {
- int cpb_cnt_minus1; // ue(v)
- int bit_rate_scale; // u(4)
- int cpb_size_scale; // u(4)
- int bit_rate_value_minus1[NUM_CPB]; // ue(v)
- int cpb_size_value_minus1[NUM_CPB]; // ue(v)
- int cbr_flag[NUM_CPB]; // u(1)
- int initial_cpb_removal_delay_length_minus1; // u(5)
- int cpb_removal_delay_length_minus1; // u(5)
- int dpb_output_delay_length_minus1; // u(5)
- int time_offset_length; // u(5)
-} HRDParameters;
-
-// video usability information (VUI) part of SPS
-typedef struct VUIParameters {
- int aspect_ratio_info_present_flag; // u(1)
- int aspect_ratio_idc; // u(8)
- int sar_width; // u(16)
- int sar_height; // u(16)
- int overscan_info_present_flag; // u(1)
- int overscan_appropriate_flag; // u(1)
- int video_signal_type_present_flag; // u(1)
- int video_format; // u(3)
- int video_full_range_flag; // u(1)
- int colour_description_present_flag; // u(1)
- int colour_primaries; // u(8)
- int transfer_characteristics; // u(8)
- int matrix_coefficients; // u(8)
- int chroma_loc_info_present_flag; // u(1)
- int chroma_sample_loc_type_top_field; // ue(v)
- int chroma_sample_loc_type_bottom_field; // ue(v)
- int neutral_chroma_indication_flag; // u(1)
- int field_seq_flag; // u(1)
- int timing_info_present_flag; // u(1)
- int num_units_in_tick; // u(32)
- int time_scale; // u(32)
- int fixed_pic_rate_flag; // u(1)
- int nal_hrd_parameters_present_flag; // u(1)
- int vcl_hrd_parameters_present_flag; // u(1)
- int low_delay_hrd_flag; // u(1)
- int pic_struct_present_flag; // u(1)
- int bitstream_restriction_flag; // u(1)
- int motion_vectors_over_pic_boundaries_flag; // u(1)
- int max_bytes_per_pic_denom; // ue(v)
- int max_bits_per_mb_denom; // ue(v)
- int log2_max_mv_length_horizontal; // ue(v)
- int log2_max_mv_length_vertical; // ue(v)
- int num_reorder_pics; // ue(v)
- int max_dec_pic_buffering; // ue(v)
-
- HRDParameters hrd_parameters;
-} VUIParameters;
-
-// The sturcture reflects SPS RBSP(raw byte sequence payload) layout
-// @see ISO_IEC_23094-1 section 7.3.2.1
-//
-// The following descriptors specify the parsing process of each element
-// u(n) - unsigned integer using n bits
-// ue(v) - unsigned integer 0-th order Exp_Golomb-coded syntax element with the left bit first
-typedef struct EVCParserSPS {
- int sps_seq_parameter_set_id; // ue(v)
- int profile_idc; // u(8)
- int level_idc; // u(8)
- int toolset_idc_h; // u(32)
- int toolset_idc_l; // u(32)
- int chroma_format_idc; // ue(v)
- int pic_width_in_luma_samples; // ue(v)
- int pic_height_in_luma_samples; // ue(v)
- int bit_depth_luma_minus8; // ue(v)
- int bit_depth_chroma_minus8; // ue(v)
-
- int sps_btt_flag; // u(1)
- int log2_ctu_size_minus5; // ue(v)
- int log2_min_cb_size_minus2; // ue(v)
- int log2_diff_ctu_max_14_cb_size; // ue(v)
- int log2_diff_ctu_max_tt_cb_size; // ue(v)
- int log2_diff_min_cb_min_tt_cb_size_minus2; // ue(v)
-
- int sps_suco_flag; // u(1)
- int log2_diff_ctu_size_max_suco_cb_size; // ue(v)
- int log2_diff_max_suco_min_suco_cb_size; // ue(v)
-
- int sps_admvp_flag; // u(1)
- int sps_affine_flag; // u(1)
- int sps_amvr_flag; // u(1)
- int sps_dmvr_flag; // u(1)
- int sps_mmvd_flag; // u(1)
- int sps_hmvp_flag; // u(1)
-
- int sps_eipd_flag; // u(1)
- int sps_ibc_flag; // u(1)
- int log2_max_ibc_cand_size_minus2; // ue(v)
-
- int sps_cm_init_flag; // u(1)
- int sps_adcc_flag; // u(1)
-
- int sps_iqt_flag; // u(1)
- int sps_ats_flag; // u(1)
-
- int sps_addb_flag; // u(1)
- int sps_alf_flag; // u(1)
- int sps_htdf_flag; // u(1)
- int sps_rpl_flag; // u(1)
- int sps_pocs_flag; // u(1)
- int sps_dquant_flag; // u(1)
- int sps_dra_flag; // u(1)
-
- int log2_max_pic_order_cnt_lsb_minus4; // ue(v)
- int log2_sub_gop_length; // ue(v)
- int log2_ref_pic_gap_length; // ue(v)
-
- int max_num_tid0_ref_pics; // ue(v)
-
- int sps_max_dec_pic_buffering_minus1; // ue(v)
- int long_term_ref_pic_flag; // u(1)
- int rpl1_same_as_rpl0_flag; // u(1)
- int num_ref_pic_list_in_sps[2]; // ue(v)
- struct RefPicListStruct rpls[2][EVC_MAX_NUM_RPLS];
-
- int picture_cropping_flag; // u(1)
- int picture_crop_left_offset; // ue(v)
- int picture_crop_right_offset; // ue(v)
- int picture_crop_top_offset; // ue(v)
- int picture_crop_bottom_offset; // ue(v)
-
- struct ChromaQpTable chroma_qp_table_struct;
-
- int vui_parameters_present_flag; // u(1)
-
- struct VUIParameters vui_parameters;
-
-} EVCParserSPS;
-
-typedef struct EVCParserPPS {
- int pps_pic_parameter_set_id; // ue(v)
- int pps_seq_parameter_set_id; // ue(v)
- int num_ref_idx_default_active_minus1[2]; // ue(v)
- int additional_lt_poc_lsb_len; // ue(v)
- int rpl1_idx_present_flag; // u(1)
- int single_tile_in_pic_flag; // u(1)
- int num_tile_columns_minus1; // ue(v)
- int num_tile_rows_minus1; // ue(v)
- int uniform_tile_spacing_flag; // u(1)
- int tile_column_width_minus1[EVC_MAX_TILE_ROWS]; // ue(v)
- int tile_row_height_minus1[EVC_MAX_TILE_COLUMNS]; // ue(v)
- int loop_filter_across_tiles_enabled_flag; // u(1)
- int tile_offset_len_minus1; // ue(v)
- int tile_id_len_minus1; // ue(v)
- int explicit_tile_id_flag; // u(1)
- int tile_id_val[EVC_MAX_TILE_ROWS][EVC_MAX_TILE_COLUMNS]; // u(v)
- int pic_dra_enabled_flag; // u(1)
- int pic_dra_aps_id; // u(5)
- int arbitrary_slice_present_flag; // u(1)
- int constrained_intra_pred_flag; // u(1)
- int cu_qp_delta_enabled_flag; // u(1)
- int log2_cu_qp_delta_area_minus6; // ue(v)
-
-} EVCParserPPS;
+#include "evc_ps.h"
// The sturcture reflects Slice Header RBSP(raw byte sequence payload) layout
// @see ISO_IEC_23094-1 section 7.3.2.6
@@ -265,10 +82,7 @@ typedef struct EVCParserPoc {
} EVCParserPoc;
typedef struct EVCParserContext {
- //ParseContext pc;
- EVCParserSPS *sps[EVC_MAX_SPS_COUNT];
- EVCParserPPS *pps[EVC_MAX_PPS_COUNT];
-
+ EVCParamSets ps;
EVCParserPoc poc;
int nuh_temporal_id; // the value of TemporalId (shall be the same for all VCL NAL units of an Access Unit)
@@ -349,14 +163,6 @@ static inline uint32_t evc_read_nal_unit_length(const uint8_t *bits, int bits_si
// nuh_temporal_id specifies a temporal identifier for the NAL unit
int ff_evc_get_temporal_id(const uint8_t *bits, int bits_size, void *logctx);
-// @see ISO_IEC_23094-1 (7.3.2.1 SPS RBSP syntax)
-EVCParserSPS *ff_evc_parse_sps(EVCParserContext *ctx, const uint8_t *bs, int bs_size);
-
-// @see ISO_IEC_23094-1 (7.3.2.2 SPS RBSP syntax)
-EVCParserPPS *ff_evc_parse_pps(EVCParserContext *ctx, const uint8_t *bs, int bs_size);
-
int ff_evc_parse_nal_unit(EVCParserContext *ctx, const uint8_t *buf, int buf_size, void *logctx);
-void ff_evc_parse_free(EVCParserContext *ctx);
-
#endif /* AVCODEC_EVC_PARSE_H */