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Property:cjpeg

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Linux-Command

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Details

cjpeg compresses a JPEG file from a range of image formats.
Supported source formats are PNM (PPM or PGM), BMP, GIF and Targa.

See also the cjpeg(1) man page and the djpeg and rdjpgcom commands.

cjpeg is used by:

Fw 7.39 help:

root@fritz:/var/mod/root# cjpeg --help

usage: cjpeg [switches] [inputfile]

Switches (names may be abbreviated):
  -quality N[,...]   Compression quality (0..100; 5-95 is useful range)
  -grayscale     Create monochrome JPEG file
  -optimize      Optimize Huffman table (smaller file, but slow compression)
  -progressive   Create progressive JPEG file
  -scale M/N     Scale image by fraction M/N, eg, 1/2
  -targa         Input file is Targa format (usually not needed)

Switches for advanced users:
  -dct int       Use integer DCT method (default)
  -dct fast      Use fast integer DCT (less accurate)
  -dct float     Use floating-point DCT method
  -restart N     Set restart interval in rows, or in blocks with B
  -smooth N      Smooth dithered input (N=1..100 is strength)
  -maxmemory N   Maximum memory to use (in kbytes)
  -outfile name  Specify name for output file
  -verbose  or  -debug   Emit debug output

Switches for wizards:
  -arithmetic    Use arithmetic coding
  -baseline      Force baseline quantization tables
  -qtables file  Use quantization tables given in file
  -qslots N[,...]    Set component quantization tables
  -sample HxV[,...]  Set component sampling factors
  -scans file    Create multi-scan JPEG per script file

Examples

Simplified from dect_doorline_image_conversion.sh fw 7.39:

djpeg <args> <infile> | pnmscale <args> | pnmcut <args> | cjpeg -quality <percent> > <outfile>  

Dependencies

Daily updated index of all dependencies of this command. Last update: 2023-02-02 07:26 GMT.
A * in the Mod column marks info from Supportdata-Probes, which will always stay incomplete.

Relation Typ Object Mod Firmware Info Origin
Depends on lib ld.so 22 7.08 - 7.51 Dynamic linker / loader Linux
Depends on lib libavmcsock.so 1 6.36 Networking, I/O and helper functions AVM
Depends on lib libc.so 68 4.74 - 7.51 Standard C library Linux
Depends on lib libgcc_s.so 36 4.74 - 6.110 GCC low-level runtime library Linux
Depends on lib libslab.so 11 4.78 - 4.98 Slab allocator or empty dummy library Linux
5 dependencies for this command

Model-Matrix

Daily updated index of the presence, path and size of this command for each model. Last update: 2023-02-02 06:02 GMT.
Showing all models using this command. Click any column header (click-wait-click) to sort the list by the respective data.
The (main/scrpn/boot/arm/prx/atom) label in the Model column shows which CPU is meant for models with multiple Linux instances.
Note that this list is merged from Firmware-Probes of all known AVM firmware for a model, including Recovery.exe and Labor-Files.

Model Firmware Path Size
FRITZ!Box WLAN 3270 4.76 - 5.54 /bin 125k - 159k
FRITZ!Box WLAN 3270 v3 4.77 - 5.54 /bin 125k - 159k
FRITZ!Box WLAN 3270 IT 5.23 - 5.52 /bin 125k
FRITZ!Box 3272 5.50 - 6.88 /bin 97.4k - 98.9k
FRITZ!Box WLAN 3370 5.01 - 6.55 /bin 96.2k - 143k
FRITZ!Box 3390 5.50 - 6.55 /bin 96.2k - 98.9k
FRITZ!Box 3490 (main) 6.20 - 7.30 /bin 96.2k - 138k
FRITZ!Box 4020 6.27 - 7.02 /bin 96.3k - 98.5k
FRITZ!Box 4040 6.50 - 7.39 /bin 91.2k - 101k
FRITZ!Box 4060 7.26 - 7.39 /bin 97.3k - 101k
FRITZ!Box 5490 (main) 6.51 - 7.29 /bin 96.2k - 138k
FRITZ!Box 5491 (main) 7.01 - 7.29 /bin 98.5k - 138k
FRITZ!Box 5530 Fiber (main) 7.21 - 7.30 /bin 134k
FRITZ!Box 5590 Fiber (arm) 7.27 - 7.39 /bin 97.3k - 101k
FRITZ!Box 6360 Cable 4.85 - 6.51 /bin 102k - 108k
FRITZ!Box 6430 Cable (arm) 6.84 - 7.29 /bin 97.8k - 113k
FRITZ!Box 6430 Cable (atom) 6.84 - 7.29 /bin 97.8k - 113k
FRITZ!Box 6490 Cable (arm) 6.20 - 7.39 /bin 97.8k - 113k
FRITZ!Box 6490 Cable (atom) 6.20 - 7.39 /bin 97.8k - 113k
FRITZ!Box 6590 Cable (arm) 6.83 - 7.39 /bin 97.8k - 113k
FRITZ!Box 6590 Cable (atom) 6.83 - 7.39 /bin 97.8k - 113k
FRITZ!Box 6591 Cable (arm) 7.04 - 7.39 /bin 102k - 113k
FRITZ!Box 6591 Cable (atom) 7.04 - 7.39 /bin 102k - 113k
FRITZ!Box 6660 Cable (arm) 7.14 - 7.39 /bin 105k - 113k
FRITZ!Box 6660 Cable (atom) 7.14 - 7.39 /bin 105k - 113k
FRITZ!Box 6690 Cable (arm) 7.28 - 7.50 /bin 109k - 113k
FRITZ!Box 6690 Cable (atom) 7.28 - 7.50 /bin 109k - 113k
FRITZ!Box 6840 LTE 5.07 - 6.87 /bin 96.2k - 131k
FRITZ!Box 6842 LTE 6.01 - 6.34 /bin 97.4k - 98.9k
FRITZ!Box 6850 LTE 7.21 - 7.39 /bin 97.4k - 134k
FRITZ!Box 6850 5G 7.24 - 7.39 /bin 101k
FRITZ!Box 6890 LTE 6.84 - 7.39 /bin 125k - 134k
FRITZ!Box 6890 LTE v1 6.84 - 7.39 /bin 125k - 134k
FRITZ!Box 6890 LTE v2 6.84 - 7.39 /bin 125k - 134k
FRITZ!Box Fon WLAN 7240 4.74 - 6.06 /bin 125k - 159k
FRITZ!Box Fon WLAN 7270 v1 4.74 - 4.99 /bin 153k - 159k, Link
FRITZ!Box Fon WLAN 7270 v2 4.76 - 6.06 /bin 125k - 159k, Link
FRITZ!Box Fon WLAN 7270 v3 4.76 - 6.06 /bin 125k - 159k
FRITZ!Box 7272 5.55 - 6.88 /bin 97.4k - 98.9k
FRITZ!Box 7312 6.01 - 6.55 /bin 97.4k - 98.9k
FRITZ!Box Fon WLAN 7320 4.85 - 6.34 /bin 97.4k - 144k
FRITZ!Box 7330 5.06 - 6.55 /bin 97.4k - 128k
FRITZ!Box 7330 SL 5.08 - 6.55 /bin 97.4k - 128k
FRITZ!Box Fon WLAN 7340 4.83 - 6.06 /bin 97.4k - 153k
FRITZ!Box Fon WLAN 7360 SL 5.04 - 6.34 /bin 97.4k - 143k
FRITZ!Box Fon WLAN 7360 v1 5.06 - 6.35 /bin 97.4k - 131k
FRITZ!Box Fon WLAN 7360 v2 5.22 - 6.87 /bin 96.2k - 125k
FRITZ!Box 7362 SL 5.53 - 7.13 /bin 96.2k - 106k
FRITZ!Box 7369 6.30 - 6.32 /bin 98.9k
FRITZ!Box Fon WLAN 7390 4.81 - 6.87 /bin 97.4k - 153k
FRITZ!Box 7412 6.21 - 6.87 /bin 96.2k - 98.9k
FRITZ!Box 7430 6.26 - 7.29 /bin 96.2k - 138k
FRITZ!Box 7490 (main) 5.57 - 7.51 /bin 96.2k - 138k
FRITZ!Box 7510 7.30 - 7.39 /bin 97.3k - 101k
FRITZ!Box 7520 6.98 - 7.50 /bin 91.2k - 101k
FRITZ!Box 7520 v2 (arm) 7.30 - 7.50 /bin 101k
FRITZ!Box 7530 6.93 - 7.51 /bin 91.2k - 101k
FRITZ!Box 7530 AX 7.20 - 7.39 /bin 101k - 105k
FRITZ!Box 7560 6.51 - 7.29 /bin 125k - 134k
FRITZ!Box Fon WLAN 7570 vDSL 4.76 - 4.94 /bin 153k - 159k
FRITZ!Box 7580 6.51 - 7.29 /bin 125k - 134k
FRITZ!Box 7581 6.54 - 7.16 /bin 95.1k - 105k
FRITZ!Box 7582 6.83 - 7.16 /bin 95.1k - 105k
FRITZ!Box 7583 7.01 - 7.31 /bin 125k - 134k
FRITZ!Box 7583 VDSL 7.19 - 7.31 /bin 134k
FRITZ!Box 7590 6.83 - 7.51 /bin 125k - 134k
FRITZ!Box 7590 AX 7.19 - 7.39 /bin 134k
Alice IAD 7570 vDSL 4.92 - 5.09 /bin 159k
68 models use this command

Symbols

Daily updated index of all symbols of this command. Last update: 2023-02-02 07:26 GMT.

Firmware Symbol
4.74 - 7.51 jcopy_sample_rows
4.74 - 7.51 jdiv_round_up
4.74 - 7.51 jinit_arith_encoder
4.74 - 7.51 jinit_c_coef_controller
4.74 - 7.51 jinit_c_main_controller
4.74 - 7.51 jinit_c_master_control
4.74 - 7.51 jinit_c_prep_controller
4.74 - 7.51 jinit_color_converter
4.74 - 7.51 jinit_compress_master
4.74 - 7.51 jinit_downsampler
4.74 - 7.51 jinit_forward_dct
4.74 - 7.51 jinit_huff_encoder
4.74 - 7.51 jinit_marker_writer
4.74 - 7.51 jinit_memory_mgr
4.74 - 7.51 jinit_phuff_encoder
4.74 - 7.51 jinit_read_bmp
4.74 - 7.51 jinit_read_gif
4.74 - 7.51 jinit_read_ppm
4.74 - 7.51 jinit_read_targa
4.74 - 7.51 jpeg_CreateCompress
4.74 - 7.51 jpeg_abort
4.74 - 7.51 jpeg_add_quant_table
4.74 - 7.51 jpeg_alloc_huff_table
4.74 - 7.51 jpeg_alloc_quant_table
4.74 - 7.51 jpeg_calc_jpeg_dimensions
4.74 - 7.51 jpeg_default_colorspace
4.74 - 7.51 jpeg_default_qtables
4.74 - 7.51 jpeg_destroy
4.74 - 7.51 jpeg_destroy_compress
4.74 - 7.51 jpeg_fdct_10x10
4.74 - 7.51 jpeg_fdct_10x5
4.74 - 7.51 jpeg_fdct_11x11
4.74 - 7.51 jpeg_fdct_12x12
4.74 - 7.51 jpeg_fdct_12x6
4.74 - 7.51 jpeg_fdct_13x13
4.74 - 7.51 jpeg_fdct_14x14
4.74 - 7.51 jpeg_fdct_14x7
4.74 - 7.51 jpeg_fdct_15x15
4.74 - 7.51 jpeg_fdct_16x16
4.74 - 7.51 jpeg_fdct_16x8
4.74 - 7.51 jpeg_fdct_1x1
4.74 - 7.51 jpeg_fdct_1x2
4.74 - 7.51 jpeg_fdct_2x1
4.74 - 7.51 jpeg_fdct_2x2
4.74 - 7.51 jpeg_fdct_2x4
4.74 - 7.51 jpeg_fdct_3x3
4.74 - 7.51 jpeg_fdct_3x6
4.74 - 7.51 jpeg_fdct_4x2
4.74 - 7.51 jpeg_fdct_4x4
4.74 - 7.51 jpeg_fdct_4x8
4.74 - 7.51 jpeg_fdct_5x10
4.74 - 7.51 jpeg_fdct_5x5
4.74 - 7.51 jpeg_fdct_6x12
4.74 - 7.51 jpeg_fdct_6x3
4.74 - 7.51 jpeg_fdct_6x6
4.74 - 7.51 jpeg_fdct_7x14
4.74 - 7.51 jpeg_fdct_7x7
4.74 - 7.51 jpeg_fdct_8x16
4.74 - 7.51 jpeg_fdct_8x4
4.74 - 7.51 jpeg_fdct_9x9
4.74 - 7.51 jpeg_fdct_float
4.74 - 7.51 jpeg_fdct_ifast
4.74 - 7.51 jpeg_fdct_islow
4.74 - 7.51 jpeg_finish_compress
4.74 - 7.51 jpeg_free_large
4.74 - 7.51 jpeg_free_small
4.74 - 7.51 jpeg_gen_optimal_table
4.74 - 7.51 jpeg_get_large
4.74 - 7.51 jpeg_get_small
4.74 - 7.51 jpeg_make_c_derived_tbl
4.74 - 7.51 jpeg_mem_available
4.74 - 7.51 jpeg_mem_init
4.74 - 7.51 jpeg_mem_term
4.74 - 7.51 jpeg_open_backing_store
4.74 - 7.51 jpeg_quality_scaling
4.74 - 7.51 jpeg_set_colorspace
4.74 - 7.51 jpeg_set_defaults
4.74 - 7.51 jpeg_set_linear_quality
4.74 - 7.51 jpeg_set_quality
4.74 - 7.51 jpeg_simple_progression
4.74 - 7.51 jpeg_start_compress
4.74 - 7.51 jpeg_std_error
4.74 - 7.51 jpeg_stdio_dest
4.74 - 7.51 jpeg_suppress_tables
4.74 - 7.51 jpeg_write_scanlines
4.74 - 7.51 jround_up
4.74 - 7.51 jzero_far
4.74 - 7.51 keymatch
4.74 - 7.51 main
4.74 - 7.51 read_quant_tables
4.74 - 7.51 read_scan_script
4.74 - 7.51 read_stdin
4.74 - 7.51 set_quality_ratings
4.74 - 7.51 set_quant_slots
4.74 - 7.51 set_sample_factors
4.74 - 7.51 write_stdout
96 symbols for this command

SMW-Browser

Information is currently being retrieved from the backend.