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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/media/platform/allegro-dvt/nal-hevc.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/platform/allegro-dvt/nal-hevc.h')
-rw-r--r--drivers/media/platform/allegro-dvt/nal-hevc.h519
1 files changed, 519 insertions, 0 deletions
diff --git a/drivers/media/platform/allegro-dvt/nal-hevc.h b/drivers/media/platform/allegro-dvt/nal-hevc.h
new file mode 100644
index 000000000..eb46f12aa
--- /dev/null
+++ b/drivers/media/platform/allegro-dvt/nal-hevc.h
@@ -0,0 +1,519 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2019 Pengutronix, Michael Tretter <kernel@pengutronix.de>
+ *
+ * Convert NAL units between raw byte sequence payloads (RBSP) and C structs.
+ */
+
+#ifndef __NAL_HEVC_H__
+#define __NAL_HEVC_H__
+
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/v4l2-controls.h>
+#include <linux/videodev2.h>
+
+struct nal_hevc_profile_tier_level {
+ unsigned int general_profile_space;
+ unsigned int general_tier_flag;
+ unsigned int general_profile_idc;
+ unsigned int general_profile_compatibility_flag[32];
+ unsigned int general_progressive_source_flag;
+ unsigned int general_interlaced_source_flag;
+ unsigned int general_non_packed_constraint_flag;
+ unsigned int general_frame_only_constraint_flag;
+ union {
+ struct {
+ unsigned int general_max_12bit_constraint_flag;
+ unsigned int general_max_10bit_constraint_flag;
+ unsigned int general_max_8bit_constraint_flag;
+ unsigned int general_max_422chroma_constraint_flag;
+ unsigned int general_max_420chroma_constraint_flag;
+ unsigned int general_max_monochrome_constraint_flag;
+ unsigned int general_intra_constraint_flag;
+ unsigned int general_one_picture_only_constraint_flag;
+ unsigned int general_lower_bit_rate_constraint_flag;
+ union {
+ struct {
+ unsigned int general_max_14bit_constraint_flag;
+ unsigned int general_reserved_zero_33bits;
+ };
+ unsigned int general_reserved_zero_34bits;
+ };
+ };
+ struct {
+ unsigned int general_reserved_zero_7bits;
+ /* unsigned int general_one_picture_only_constraint_flag; */
+ unsigned int general_reserved_zero_35bits;
+ };
+ unsigned int general_reserved_zero_43bits;
+ };
+ union {
+ unsigned int general_inbld_flag;
+ unsigned int general_reserved_zero_bit;
+ };
+ unsigned int general_level_idc;
+};
+
+/*
+ * struct nal_hevc_vps - Video parameter set
+ *
+ * C struct representation of the video parameter set NAL unit as defined by
+ * Rec. ITU-T H.265 (02/2018) 7.3.2.1 Video parameter set RBSP syntax
+ */
+struct nal_hevc_vps {
+ unsigned int video_parameter_set_id;
+ unsigned int base_layer_internal_flag;
+ unsigned int base_layer_available_flag;
+ unsigned int max_layers_minus1;
+ unsigned int max_sub_layers_minus1;
+ unsigned int temporal_id_nesting_flag;
+ struct nal_hevc_profile_tier_level profile_tier_level;
+ unsigned int sub_layer_ordering_info_present_flag;
+ struct {
+ unsigned int max_dec_pic_buffering_minus1[7];
+ unsigned int max_num_reorder_pics[7];
+ unsigned int max_latency_increase_plus1[7];
+ };
+ unsigned int max_layer_id;
+ unsigned int num_layer_sets_minus1;
+ unsigned int layer_id_included_flag[1024][64];
+ unsigned int timing_info_present_flag;
+ struct {
+ unsigned int num_units_in_tick;
+ unsigned int time_scale;
+ unsigned int poc_proportional_to_timing_flag;
+ unsigned int num_ticks_poc_diff_one_minus1;
+ unsigned int num_hrd_parameters;
+ struct {
+ unsigned int hrd_layer_set_idx[0];
+ unsigned int cprms_present_flag[0];
+ };
+ /* hrd_parameters( cprms_present_flag[ i ], max_sub_layers_minus1 ) */
+ };
+ unsigned int extension_flag;
+ unsigned int extension_data_flag;
+};
+
+struct nal_hevc_sub_layer_hrd_parameters {
+ unsigned int bit_rate_value_minus1[1];
+ unsigned int cpb_size_value_minus1[1];
+ unsigned int cbr_flag[1];
+};
+
+struct nal_hevc_hrd_parameters {
+ unsigned int nal_hrd_parameters_present_flag;
+ unsigned int vcl_hrd_parameters_present_flag;
+ struct {
+ unsigned int sub_pic_hrd_params_present_flag;
+ struct {
+ unsigned int tick_divisor_minus2;
+ unsigned int du_cpb_removal_delay_increment_length_minus1;
+ unsigned int sub_pic_cpb_params_in_pic_timing_sei_flag;
+ unsigned int dpb_output_delay_du_length_minus1;
+ };
+ unsigned int bit_rate_scale;
+ unsigned int cpb_size_scale;
+ unsigned int cpb_size_du_scale;
+ unsigned int initial_cpb_removal_delay_length_minus1;
+ unsigned int au_cpb_removal_delay_length_minus1;
+ unsigned int dpb_output_delay_length_minus1;
+ };
+ struct {
+ unsigned int fixed_pic_rate_general_flag[1];
+ unsigned int fixed_pic_rate_within_cvs_flag[1];
+ unsigned int elemental_duration_in_tc_minus1[1];
+ unsigned int low_delay_hrd_flag[1];
+ unsigned int cpb_cnt_minus1[1];
+ struct nal_hevc_sub_layer_hrd_parameters nal_hrd[1];
+ struct nal_hevc_sub_layer_hrd_parameters vcl_hrd[1];
+ };
+};
+
+/*
+ * struct nal_hevc_vui_parameters - VUI parameters
+ *
+ * C struct representation of the VUI parameters as defined by Rec. ITU-T
+ * H.265 (02/2018) E.2.1 VUI parameters syntax.
+ */
+struct nal_hevc_vui_parameters {
+ unsigned int aspect_ratio_info_present_flag;
+ struct {
+ unsigned int aspect_ratio_idc;
+ unsigned int sar_width;
+ unsigned int sar_height;
+ };
+ unsigned int overscan_info_present_flag;
+ unsigned int overscan_appropriate_flag;
+ unsigned int video_signal_type_present_flag;
+ struct {
+ unsigned int video_format;
+ unsigned int video_full_range_flag;
+ unsigned int colour_description_present_flag;
+ struct {
+ unsigned int colour_primaries;
+ unsigned int transfer_characteristics;
+ unsigned int matrix_coeffs;
+ };
+ };
+ unsigned int chroma_loc_info_present_flag;
+ struct {
+ unsigned int chroma_sample_loc_type_top_field;
+ unsigned int chroma_sample_loc_type_bottom_field;
+ };
+ unsigned int neutral_chroma_indication_flag;
+ unsigned int field_seq_flag;
+ unsigned int frame_field_info_present_flag;
+ unsigned int default_display_window_flag;
+ struct {
+ unsigned int def_disp_win_left_offset;
+ unsigned int def_disp_win_right_offset;
+ unsigned int def_disp_win_top_offset;
+ unsigned int def_disp_win_bottom_offset;
+ };
+ unsigned int vui_timing_info_present_flag;
+ struct {
+ unsigned int vui_num_units_in_tick;
+ unsigned int vui_time_scale;
+ unsigned int vui_poc_proportional_to_timing_flag;
+ unsigned int vui_num_ticks_poc_diff_one_minus1;
+ unsigned int vui_hrd_parameters_present_flag;
+ struct nal_hevc_hrd_parameters nal_hrd_parameters;
+ };
+ unsigned int bitstream_restriction_flag;
+ struct {
+ unsigned int tiles_fixed_structure_flag;
+ unsigned int motion_vectors_over_pic_boundaries_flag;
+ unsigned int restricted_ref_pic_lists_flag;
+ unsigned int min_spatial_segmentation_idc;
+ unsigned int max_bytes_per_pic_denom;
+ unsigned int max_bits_per_min_cu_denom;
+ unsigned int log2_max_mv_length_horizontal;
+ unsigned int log2_max_mv_length_vertical;
+ };
+};
+
+/*
+ * struct nal_hevc_sps - Sequence parameter set
+ *
+ * C struct representation of the video parameter set NAL unit as defined by
+ * Rec. ITU-T H.265 (02/2018) 7.3.2.2 Sequence parameter set RBSP syntax
+ */
+struct nal_hevc_sps {
+ unsigned int video_parameter_set_id;
+ unsigned int max_sub_layers_minus1;
+ unsigned int temporal_id_nesting_flag;
+ struct nal_hevc_profile_tier_level profile_tier_level;
+ unsigned int seq_parameter_set_id;
+ unsigned int chroma_format_idc;
+ unsigned int separate_colour_plane_flag;
+ unsigned int pic_width_in_luma_samples;
+ unsigned int pic_height_in_luma_samples;
+ unsigned int conformance_window_flag;
+ struct {
+ unsigned int conf_win_left_offset;
+ unsigned int conf_win_right_offset;
+ unsigned int conf_win_top_offset;
+ unsigned int conf_win_bottom_offset;
+ };
+
+ unsigned int bit_depth_luma_minus8;
+ unsigned int bit_depth_chroma_minus8;
+ unsigned int log2_max_pic_order_cnt_lsb_minus4;
+ unsigned int sub_layer_ordering_info_present_flag;
+ struct {
+ unsigned int max_dec_pic_buffering_minus1[7];
+ unsigned int max_num_reorder_pics[7];
+ unsigned int max_latency_increase_plus1[7];
+ };
+ unsigned int log2_min_luma_coding_block_size_minus3;
+ unsigned int log2_diff_max_min_luma_coding_block_size;
+ unsigned int log2_min_luma_transform_block_size_minus2;
+ unsigned int log2_diff_max_min_luma_transform_block_size;
+ unsigned int max_transform_hierarchy_depth_inter;
+ unsigned int max_transform_hierarchy_depth_intra;
+
+ unsigned int scaling_list_enabled_flag;
+ unsigned int scaling_list_data_present_flag;
+ unsigned int amp_enabled_flag;
+ unsigned int sample_adaptive_offset_enabled_flag;
+ unsigned int pcm_enabled_flag;
+ struct {
+ unsigned int pcm_sample_bit_depth_luma_minus1;
+ unsigned int pcm_sample_bit_depth_chroma_minus1;
+ unsigned int log2_min_pcm_luma_coding_block_size_minus3;
+ unsigned int log2_diff_max_min_pcm_luma_coding_block_size;
+ unsigned int pcm_loop_filter_disabled_flag;
+ };
+
+ unsigned int num_short_term_ref_pic_sets;
+ unsigned int long_term_ref_pics_present_flag;
+ unsigned int sps_temporal_mvp_enabled_flag;
+ unsigned int strong_intra_smoothing_enabled_flag;
+ unsigned int vui_parameters_present_flag;
+ struct nal_hevc_vui_parameters vui;
+ unsigned int extension_present_flag;
+ struct {
+ unsigned int sps_range_extension_flag;
+ unsigned int sps_multilayer_extension_flag;
+ unsigned int sps_3d_extension_flag;
+ unsigned int sps_scc_extension_flag;
+ unsigned int sps_extension_4bits;
+ };
+};
+
+struct nal_hevc_pps {
+ unsigned int pps_pic_parameter_set_id;
+ unsigned int pps_seq_parameter_set_id;
+ unsigned int dependent_slice_segments_enabled_flag;
+ unsigned int output_flag_present_flag;
+ unsigned int num_extra_slice_header_bits;
+ unsigned int sign_data_hiding_enabled_flag;
+ unsigned int cabac_init_present_flag;
+ unsigned int num_ref_idx_l0_default_active_minus1;
+ unsigned int num_ref_idx_l1_default_active_minus1;
+ int init_qp_minus26;
+ unsigned int constrained_intra_pred_flag;
+ unsigned int transform_skip_enabled_flag;
+ unsigned int cu_qp_delta_enabled_flag;
+ unsigned int diff_cu_qp_delta_depth;
+ int pps_cb_qp_offset;
+ int pps_cr_qp_offset;
+ unsigned int pps_slice_chroma_qp_offsets_present_flag;
+ unsigned int weighted_pred_flag;
+ unsigned int weighted_bipred_flag;
+ unsigned int transquant_bypass_enabled_flag;
+ unsigned int tiles_enabled_flag;
+ unsigned int entropy_coding_sync_enabled_flag;
+ struct {
+ unsigned int num_tile_columns_minus1;
+ unsigned int num_tile_rows_minus1;
+ unsigned int uniform_spacing_flag;
+ struct {
+ unsigned int column_width_minus1[1];
+ unsigned int row_height_minus1[1];
+ };
+ unsigned int loop_filter_across_tiles_enabled_flag;
+ };
+ unsigned int pps_loop_filter_across_slices_enabled_flag;
+ unsigned int deblocking_filter_control_present_flag;
+ struct {
+ unsigned int deblocking_filter_override_enabled_flag;
+ unsigned int pps_deblocking_filter_disabled_flag;
+ struct {
+ int pps_beta_offset_div2;
+ int pps_tc_offset_div2;
+ };
+ };
+ unsigned int pps_scaling_list_data_present_flag;
+ unsigned int lists_modification_present_flag;
+ unsigned int log2_parallel_merge_level_minus2;
+ unsigned int slice_segment_header_extension_present_flag;
+ unsigned int pps_extension_present_flag;
+ struct {
+ unsigned int pps_range_extension_flag;
+ unsigned int pps_multilayer_extension_flag;
+ unsigned int pps_3d_extension_flag;
+ unsigned int pps_scc_extension_flag;
+ unsigned int pps_extension_4bits;
+ };
+};
+
+/**
+ * nal_hevc_profile() - Get profile_idc for v4l2 hevc profile
+ * @profile: the profile as &enum v4l2_mpeg_video_hevc_profile
+ *
+ * Convert the &enum v4l2_mpeg_video_hevc_profile to profile_idc as specified
+ * in Rec. ITU-T H.265 (02/2018) A.3.
+ *
+ * Return: the profile_idc for the passed level
+ */
+static inline int nal_hevc_profile(enum v4l2_mpeg_video_hevc_profile profile)
+{
+ switch (profile) {
+ case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN:
+ return 1;
+ case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10:
+ return 2;
+ case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE:
+ return 3;
+ default:
+ return -EINVAL;
+ }
+}
+
+/**
+ * nal_hevc_tier() - Get tier_flag for v4l2 hevc tier
+ * @tier: the tier as &enum v4l2_mpeg_video_hevc_tier
+ *
+ * Convert the &enum v4l2_mpeg_video_hevc_tier to tier_flag as specified
+ * in Rec. ITU-T H.265 (02/2018) A.4.1.
+ *
+ * Return: the tier_flag for the passed tier
+ */
+static inline int nal_hevc_tier(enum v4l2_mpeg_video_hevc_tier tier)
+{
+ switch (tier) {
+ case V4L2_MPEG_VIDEO_HEVC_TIER_MAIN:
+ return 0;
+ case V4L2_MPEG_VIDEO_HEVC_TIER_HIGH:
+ return 1;
+ default:
+ return -EINVAL;
+ }
+}
+
+/**
+ * nal_hevc_level() - Get level_idc for v4l2 hevc level
+ * @level: the level as &enum v4l2_mpeg_video_hevc_level
+ *
+ * Convert the &enum v4l2_mpeg_video_hevc_level to level_idc as specified in
+ * Rec. ITU-T H.265 (02/2018) A.4.1.
+ *
+ * Return: the level_idc for the passed level
+ */
+static inline int nal_hevc_level(enum v4l2_mpeg_video_hevc_level level)
+{
+ /*
+ * T-Rec-H.265 p. 280: general_level_idc and sub_layer_level_idc[ i ]
+ * shall be set equal to a value of 30 times the level number
+ * specified in Table A.6.
+ */
+ int factor = 30 / 10;
+
+ switch (level) {
+ case V4L2_MPEG_VIDEO_HEVC_LEVEL_1:
+ return factor * 10;
+ case V4L2_MPEG_VIDEO_HEVC_LEVEL_2:
+ return factor * 20;
+ case V4L2_MPEG_VIDEO_HEVC_LEVEL_2_1:
+ return factor * 21;
+ case V4L2_MPEG_VIDEO_HEVC_LEVEL_3:
+ return factor * 30;
+ case V4L2_MPEG_VIDEO_HEVC_LEVEL_3_1:
+ return factor * 31;
+ case V4L2_MPEG_VIDEO_HEVC_LEVEL_4:
+ return factor * 40;
+ case V4L2_MPEG_VIDEO_HEVC_LEVEL_4_1:
+ return factor * 41;
+ case V4L2_MPEG_VIDEO_HEVC_LEVEL_5:
+ return factor * 50;
+ case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1:
+ return factor * 51;
+ case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_2:
+ return factor * 52;
+ case V4L2_MPEG_VIDEO_HEVC_LEVEL_6:
+ return factor * 60;
+ case V4L2_MPEG_VIDEO_HEVC_LEVEL_6_1:
+ return factor * 61;
+ case V4L2_MPEG_VIDEO_HEVC_LEVEL_6_2:
+ return factor * 62;
+ default:
+ return -EINVAL;
+ }
+}
+
+static inline int nal_hevc_full_range(enum v4l2_quantization quantization)
+{
+ switch (quantization) {
+ case V4L2_QUANTIZATION_FULL_RANGE:
+ return 1;
+ case V4L2_QUANTIZATION_LIM_RANGE:
+ return 0;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static inline int nal_hevc_color_primaries(enum v4l2_colorspace colorspace)
+{
+ switch (colorspace) {
+ case V4L2_COLORSPACE_SMPTE170M:
+ return 6;
+ case V4L2_COLORSPACE_SMPTE240M:
+ return 7;
+ case V4L2_COLORSPACE_REC709:
+ return 1;
+ case V4L2_COLORSPACE_470_SYSTEM_M:
+ return 4;
+ case V4L2_COLORSPACE_JPEG:
+ case V4L2_COLORSPACE_SRGB:
+ case V4L2_COLORSPACE_470_SYSTEM_BG:
+ return 5;
+ case V4L2_COLORSPACE_BT2020:
+ return 9;
+ case V4L2_COLORSPACE_DEFAULT:
+ case V4L2_COLORSPACE_OPRGB:
+ case V4L2_COLORSPACE_RAW:
+ case V4L2_COLORSPACE_DCI_P3:
+ default:
+ return 2;
+ }
+}
+
+static inline int nal_hevc_transfer_characteristics(enum v4l2_colorspace colorspace,
+ enum v4l2_xfer_func xfer_func)
+{
+ if (xfer_func == V4L2_XFER_FUNC_DEFAULT)
+ xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(colorspace);
+
+ switch (xfer_func) {
+ case V4L2_XFER_FUNC_709:
+ return 6;
+ case V4L2_XFER_FUNC_SMPTE2084:
+ return 16;
+ case V4L2_XFER_FUNC_SRGB:
+ case V4L2_XFER_FUNC_OPRGB:
+ case V4L2_XFER_FUNC_NONE:
+ case V4L2_XFER_FUNC_DCI_P3:
+ case V4L2_XFER_FUNC_SMPTE240M:
+ default:
+ return 2;
+ }
+}
+
+static inline int nal_hevc_matrix_coeffs(enum v4l2_colorspace colorspace,
+ enum v4l2_ycbcr_encoding ycbcr_encoding)
+{
+ if (ycbcr_encoding == V4L2_YCBCR_ENC_DEFAULT)
+ ycbcr_encoding = V4L2_MAP_YCBCR_ENC_DEFAULT(colorspace);
+
+ switch (ycbcr_encoding) {
+ case V4L2_YCBCR_ENC_601:
+ case V4L2_YCBCR_ENC_XV601:
+ return 5;
+ case V4L2_YCBCR_ENC_709:
+ case V4L2_YCBCR_ENC_XV709:
+ return 1;
+ case V4L2_YCBCR_ENC_BT2020:
+ return 9;
+ case V4L2_YCBCR_ENC_BT2020_CONST_LUM:
+ return 10;
+ case V4L2_YCBCR_ENC_SMPTE240M:
+ default:
+ return 2;
+ }
+}
+
+ssize_t nal_hevc_write_vps(const struct device *dev,
+ void *dest, size_t n, struct nal_hevc_vps *vps);
+ssize_t nal_hevc_read_vps(const struct device *dev,
+ struct nal_hevc_vps *vps, void *src, size_t n);
+
+ssize_t nal_hevc_write_sps(const struct device *dev,
+ void *dest, size_t n, struct nal_hevc_sps *sps);
+ssize_t nal_hevc_read_sps(const struct device *dev,
+ struct nal_hevc_sps *sps, void *src, size_t n);
+
+ssize_t nal_hevc_write_pps(const struct device *dev,
+ void *dest, size_t n, struct nal_hevc_pps *pps);
+ssize_t nal_hevc_read_pps(const struct device *dev,
+ struct nal_hevc_pps *pps, void *src, size_t n);
+
+ssize_t nal_hevc_write_filler(const struct device *dev, void *dest, size_t n);
+ssize_t nal_hevc_read_filler(const struct device *dev, void *src, size_t n);
+
+#endif /* __NAL_HEVC_H__ */