FFmpeg
Variables
jpegquanttables.c File Reference
#include "jpegquanttables.h"

Go to the source code of this file.

Variables

const uint8_t ff_mjpeg_std_luminance_quant_tbl [64]
 
const uint8_t ff_mjpeg_std_chrominance_quant_tbl [64]
 

Detailed Description

MJPEG quantization tables

Definition in file jpegquanttables.c.

Variable Documentation

◆ ff_mjpeg_std_luminance_quant_tbl

const uint8_t ff_mjpeg_std_luminance_quant_tbl[64]
Initial value:
= {
16, 11, 10, 16, 24, 40, 51, 61,
12, 12, 14, 19, 26, 58, 60, 55,
14, 13, 16, 24, 40, 57, 69, 56,
14, 17, 22, 29, 51, 87, 80, 62,
18, 22, 37, 56, 68, 109, 103, 77,
24, 35, 55, 64, 81, 104, 113, 92,
49, 64, 78, 87, 103, 121, 120, 101,
72, 92, 95, 98, 112, 100, 103, 99
}

Definition at line 35 of file jpegquanttables.c.

Referenced by compute_quant_matrix(), ff_mss34_gen_quant_mat(), get_quant_quality(), and lead_decode_frame().

◆ ff_mjpeg_std_chrominance_quant_tbl

const uint8_t ff_mjpeg_std_chrominance_quant_tbl[64]
Initial value:
= {
17, 18, 24, 47, 99, 99, 99, 99,
18, 21, 26, 66, 99, 99, 99, 99,
24, 26, 56, 99, 99, 99, 99, 99,
47, 66, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99
}

Definition at line 45 of file jpegquanttables.c.

Referenced by compute_quant_matrix(), ff_mss34_gen_quant_mat(), get_quant_quality(), lead_decode_frame(), and vp3_decode_init().