platform/allegro-dvt/nal-hevc.h

1 /* SPDX-License-Identifier: GPL-2.0 */
14 #include <linux/v4l2-controls.h>
60  * struct nal_hevc_vps - Video parameter set
63  * Rec. ITU-T H.265 (02/2018) 7.3.2.1 Video parameter set RBSP syntax
136  * struct nal_hevc_vui_parameters - VUI parameters
138  * C struct representation of the VUI parameters as defined by Rec. ITU-T
199  * struct nal_hevc_sps - Sequence parameter set
202  * Rec. ITU-T H.265 (02/2018) 7.3.2.2 Sequence parameter set RBSP syntax
325  * nal_hevc_profile() - Get profile_idc for v4l2 hevc profile
329  * in Rec. ITU-T H.265 (02/2018) A.3.
343 		return -EINVAL;  in nal_hevc_profile()
348  * nal_hevc_tier() - Get tier_flag for v4l2 hevc tier
352  * in Rec. ITU-T H.265 (02/2018) A.4.1.
364 		return -EINVAL;  in nal_hevc_tier()
369  * nal_hevc_level() - Get level_idc for v4l2 hevc level
373  * Rec. ITU-T H.265 (02/2018) A.4.1.
380 	 * T-Rec-H.265 p. 280: general_level_idc and sub_layer_level_idc[ i ]  in nal_hevc_level()
384 	int factor = 30 / 10;  in nal_hevc_level()  local
388 		return factor * 10;  in nal_hevc_level()
390 		return factor * 20;  in nal_hevc_level()
392 		return factor * 21;  in nal_hevc_level()
394 		return factor * 30;  in nal_hevc_level()
396 		return factor * 31;  in nal_hevc_level()
398 		return factor * 40;  in nal_hevc_level()
400 		return factor * 41;  in nal_hevc_level()
402 		return factor * 50;  in nal_hevc_level()
404 		return factor * 51;  in nal_hevc_level()
406 		return factor * 52;  in nal_hevc_level()
408 		return factor * 60;  in nal_hevc_level()
410 		return factor * 61;  in nal_hevc_level()
412 		return factor * 62;  in nal_hevc_level()
414 		return -EINVAL;  in nal_hevc_level()
503 			   void *dest, size_t n, struct nal_hevc_vps *vps);
505 			  struct nal_hevc_vps *vps, void *src, size_t n);
508 			   void *dest, size_t n, struct nal_hevc_sps *sps);
510 			  struct nal_hevc_sps *sps, void *src, size_t n);
513 			   void *dest, size_t n, struct nal_hevc_pps *pps);
515 			  struct nal_hevc_pps *pps, void *src, size_t n);
517 ssize_t nal_hevc_write_filler(const struct device *dev, void *dest, size_t n);
518 ssize_t nal_hevc_read_filler(const struct device *dev, void *src, size_t n);