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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * Copyright (C) STMicroelectronics SA 20134 * Author: Hugues Fruchet <hugues.fruchet@st.com> for STMicroelectronics.5 */6 7#ifndef DELTA_MJPEG_H8#define DELTA_MJPEG_H9 10#include "delta.h"11 12struct mjpeg_component {13 unsigned int id;/* 1=Y, 2=Cb, 3=Cr, 4=L, 5=Q */14 unsigned int h_sampling_factor;15 unsigned int v_sampling_factor;16 unsigned int quant_table_index;17};18 19#define MJPEG_MAX_COMPONENTS 520 21struct mjpeg_header {22 unsigned int length;23 unsigned int sample_precision;24 unsigned int frame_width;25 unsigned int frame_height;26 unsigned int nb_of_components;27 struct mjpeg_component components[MJPEG_MAX_COMPONENTS];28};29 30int delta_mjpeg_read_header(struct delta_ctx *pctx,31 unsigned char *data, unsigned int size,32 struct mjpeg_header *header,33 unsigned int *data_offset);34 35#endif /* DELTA_MJPEG_H */36