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121 lines
3.4 KiB
121 lines
3.4 KiB
#ifndef __JPEG_API_H__
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#define __JPEG_API_H__
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#define JPEG_DRIVER_NAME "/dev/s5p-jpeg"
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#define MAX_JPEG_WIDTH 3264
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#define MAX_JPEG_HEIGHT 2448
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#define MAX_JPEG_RES (MAX_JPEG_WIDTH * MAX_JPEG_HEIGHT)
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#define JPEG_STREAM_BUF_SIZE MAX_JPEG_RES
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#define JPEG_FRAME_BUF_SIZE (MAX_JPEG_RES * 3)
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#define JPEG_TOTAL_BUF_SIZE (JPEG_STREAM_BUF_SIZE + JPEG_FRAME_BUF_SIZE)
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#define JPEG_IOCTL_MAGIC 'J'
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#define IOCTL_JPEG_DEC_EXE _IO(JPEG_IOCTL_MAGIC, 1)
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#define IOCTL_JPEG_ENC_EXE _IO(JPEG_IOCTL_MAGIC, 2)
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#define IOCTL_GET_DEC_IN_BUF _IO(JPEG_IOCTL_MAGIC, 3)
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#define IOCTL_GET_DEC_OUT_BUF _IO(JPEG_IOCTL_MAGIC, 4)
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#define IOCTL_GET_ENC_IN_BUF _IO(JPEG_IOCTL_MAGIC, 5)
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#define IOCTL_GET_ENC_OUT_BUF _IO(JPEG_IOCTL_MAGIC, 6)
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#define IOCTL_SET_DEC_PARAM _IO(JPEG_IOCTL_MAGIC, 7)
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#define IOCTL_SET_ENC_PARAM _IO(JPEG_IOCTL_MAGIC, 8)
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enum jpeg_ret_type{
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JPEG_FAIL,
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JPEG_OK,
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JPEG_ENCODE_FAIL,
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JPEG_ENCODE_OK,
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JPEG_DECODE_FAIL,
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JPEG_DECODE_OK,
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JPEG_OUT_OF_MEMORY,
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JPEG_UNKNOWN_ERROR
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};
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enum jpeg_img_quality_level {
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QUALITY_LEVEL_1 = 0, /* high */
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QUALITY_LEVEL_2,
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QUALITY_LEVEL_3,
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QUALITY_LEVEL_4, /* low */
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};
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/* raw data image format */
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enum jpeg_frame_format {
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YUV_422, /* decode output, encode input */
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YUV_420, /* decode output, encode output */
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RGB_565, /* encode input */
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};
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/* jpeg data format */
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enum jpeg_stream_format {
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JPEG_422, /* decode input, encode output */
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JPEG_420, /* decode input, encode output */
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JPEG_444, /* decode input*/
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JPEG_GRAY, /* decode input*/
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JPEG_RESERVED,
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};
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enum jpeg_test_mode {
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encode_mode,
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decode_mode,
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};
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struct jpeg_dec_param {
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unsigned int width;
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unsigned int height;
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unsigned int size;
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enum jpeg_stream_format in_fmt;
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enum jpeg_frame_format out_fmt;
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};
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struct jpeg_enc_param {
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unsigned int width;
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unsigned int height;
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unsigned int size;
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enum jpeg_frame_format in_fmt;
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enum jpeg_stream_format out_fmt;
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enum jpeg_img_quality_level quality;
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};
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struct jpeg_args{
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char *in_buf;
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unsigned int in_cookie;
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unsigned int in_buf_size;
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char *out_buf;
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unsigned int out_cookie;
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unsigned int out_buf_size;
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char *mmapped_addr;
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struct jpeg_dec_param *dec_param;
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struct jpeg_enc_param *enc_param;
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};
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struct jpeg_lib {
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int jpeg_fd;
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struct jpeg_args args;
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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int api_jpeg_decode_init();
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int api_jpeg_encode_init();
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int api_jpeg_decode_deinit(int dev_fd);
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int api_jpeg_encode_deinit(int dev_fd);
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void *api_jpeg_get_decode_in_buf(int dev_fd, unsigned int size);
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void *api_jpeg_get_encode_in_buf(int dev_fd, unsigned int size);
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void *api_jpeg_get_decode_out_buf(int dev_fd);
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void *api_jpeg_get_encode_out_buf(int dev_fd);
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void api_jpeg_set_decode_param(struct jpeg_dec_param *param);
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void api_jpeg_set_encode_param(struct jpeg_enc_param *param);
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enum jpeg_ret_type api_jpeg_decode_exe(int dev_fd,
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struct jpeg_dec_param *dec_param);
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enum jpeg_ret_type api_jpeg_encode_exe(int dev_fd,
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struct jpeg_enc_param *enc_param);
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#ifdef __cplusplus
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}
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#endif
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#endif//__JPEG_API_H__
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