| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Copyright (C) STMicroelectronics SA 2013 |
| * Author: Hugues Fruchet <hugues.fruchet@st.com> for STMicroelectronics. |
| */ |
| |
| #ifndef DELTA_MJPEG_H |
| #define DELTA_MJPEG_H |
| |
| #include "delta.h" |
| |
| struct mjpeg_component { |
| unsigned int id;/* 1=Y, 2=Cb, 3=Cr, 4=L, 5=Q */ |
| unsigned int h_sampling_factor; |
| unsigned int v_sampling_factor; |
| unsigned int quant_table_index; |
| }; |
| |
| #define MJPEG_MAX_COMPONENTS 5 |
| |
| struct mjpeg_header { |
| unsigned int length; |
| unsigned int sample_precision; |
| unsigned int frame_width; |
| unsigned int frame_height; |
| unsigned int nb_of_components; |
| struct mjpeg_component components[MJPEG_MAX_COMPONENTS]; |
| }; |
| |
| int delta_mjpeg_read_header(struct delta_ctx *pctx, |
| unsigned char *data, unsigned int size, |
| struct mjpeg_header *header, |
| unsigned int *data_offset); |
| |
| #endif /* DELTA_MJPEG_H */ |
