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After the data blocks, the CTA extension contains a list of DTDs. Signed-off-by: Simon Ser <contact@emersion.fr>
52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
#ifndef CTA_H
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#define CTA_H
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/**
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* Private header for the low-level CTA API.
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*/
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <libdisplay-info/cta.h>
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/**
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* The maximum number of detailed timing definitions included in an EDID CTA
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* block.
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*
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* The CTA extension leaves at most 122 bytes for timings, and each timing takes
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* 18 bytes.
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*/
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#define EDID_CTA_MAX_DETAILED_TIMING_DEFS 6
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struct di_edid_cta {
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int revision;
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struct di_edid_cta_flags flags;
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/* NULL-terminated */
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struct di_cta_data_block *data_blocks[128];
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size_t data_blocks_len;
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/* NULL-terminated */
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struct di_edid_detailed_timing_def *detailed_timing_defs[EDID_CTA_MAX_DETAILED_TIMING_DEFS + 1];
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size_t detailed_timing_defs_len;
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struct di_logger *logger;
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};
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struct di_cta_data_block {
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enum di_cta_data_block_tag tag;
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/* Used for DI_CTA_DATA_BLOCK_COLORIMETRY */
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struct di_cta_colorimetry_block colorimetry;
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};
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bool
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_di_edid_cta_parse(struct di_edid_cta *cta, const uint8_t *data, size_t size,
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struct di_logger *logger);
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void
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_di_edid_cta_finish(struct di_edid_cta *cta);
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#endif
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