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Linux-Command

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Details

djpeg decompresses a JPEG file to a selectable image format.
Supported target formats are PNM (PPM or PGM), BMP, GIF and Targa.

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

djpeg is used by:

Fw 7.39 help:

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

usage: djpeg [switches] [inputfile]

Switches (names may be abbreviated):
  -colors N      Reduce image to no more than N colors
  -fast          Fast, low-quality processing
  -grayscale     Force grayscale output
  -scale M/N     Scale output image by fraction M/N, eg, 1/8
  -bmp           Select BMP output format (Windows style)
  -gif           Select GIF output format
  -os2           Select BMP output format (OS/2 style)
  -pnm           Select PBMPLUS (PPM/PGM) output format (default)
  -targa         Select Targa output format

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
  -dither fs     Use F-S dithering (default)
  -dither none   Don't use dithering in quantization
  -dither ordered  Use ordered dither (medium speed, quality)
  -map FILE      Map to colors used in named image file
  -nosmooth      Don't use high-quality upsampling
  -onepass       Use 1-pass quantization (fast, low quality)
  -maxmemory N   Maximum memory to use (in kbytes)
  -outfile name  Specify name for output file
  -verbose  or  -debug   Emit debug output

Examples

Simplified from dect_doorline_image_conversion.sh fw 7.39:

djpeg -scale <factor> <infile> | pnmscale <args> | pnmcut <args> | cjpeg <args> > <outfile>  

Dependencies

Daily updated index of all dependencies of this command. Last update: 2023-01-27 07:15 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: 2023-01-27 05:54 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 144k - 167k
FRITZ!Box WLAN 3270 v3 4.77 - 5.54 /bin 144k - 167k
FRITZ!Box WLAN 3270 IT 5.23 - 5.52 /bin 144k
FRITZ!Box 3272 5.50 - 6.88 /bin 111k
FRITZ!Box WLAN 3370 5.01 - 6.55 /bin 109k - 164k
FRITZ!Box 3390 5.50 - 6.55 /bin 109k - 111k
FRITZ!Box 3490 (main) 6.20 - 7.30 /bin 109k - 150k
FRITZ!Box 4020 6.27 - 7.02 /bin 109k
FRITZ!Box 4040 6.50 - 7.39 /bin 108k - 121k
FRITZ!Box 4060 7.26 - 7.39 /bin 113k - 117k
FRITZ!Box 5490 (main) 6.51 - 7.29 /bin 109k - 150k
FRITZ!Box 5491 (main) 7.01 - 7.29 /bin 109k - 150k
FRITZ!Box 5530 Fiber (main) 7.21 - 7.30 /bin 146k
FRITZ!Box 5590 Fiber (arm) 7.27 - 7.30 /bin 117k
FRITZ!Box 6360 Cable 4.85 - 6.51 /bin 118k - 127k
FRITZ!Box 6430 Cable (arm) 6.84 - 7.29 /bin 118k - 133k
FRITZ!Box 6430 Cable (atom) 6.84 - 7.29 /bin 118k - 133k
FRITZ!Box 6490 Cable (arm) 6.20 - 7.39 /bin 118k - 133k
FRITZ!Box 6490 Cable (atom) 6.20 - 7.39 /bin 118k - 133k
FRITZ!Box 6590 Cable (arm) 6.83 - 7.39 /bin 118k - 133k
FRITZ!Box 6590 Cable (atom) 6.83 - 7.39 /bin 118k - 133k
FRITZ!Box 6591 Cable (arm) 7.04 - 7.39 /bin 121k - 133k
FRITZ!Box 6591 Cable (atom) 7.04 - 7.39 /bin 121k - 133k
FRITZ!Box 6660 Cable (arm) 7.14 - 7.39 /bin 121k - 133k
FRITZ!Box 6660 Cable (atom) 7.14 - 7.39 /bin 121k - 133k
FRITZ!Box 6690 Cable (arm) 7.28 - 7.50 /bin 129k - 133k
FRITZ!Box 6690 Cable (atom) 7.28 - 7.50 /bin 129k - 133k
FRITZ!Box 6840 LTE 5.07 - 6.87 /bin 109k - 145k
FRITZ!Box 6842 LTE 6.01 - 6.34 /bin 111k
FRITZ!Box 6850 LTE 7.21 - 7.39 /bin 113k - 146k
FRITZ!Box 6850 5G 7.24 - 7.39 /bin 117k - 121k
FRITZ!Box 6890 LTE 6.84 - 7.39 /bin 140k - 150k
FRITZ!Box 6890 LTE v1 6.84 - 7.39 /bin 140k - 150k
FRITZ!Box 6890 LTE v2 6.84 - 7.39 /bin 140k - 150k
FRITZ!Box Fon WLAN 7240 4.74 - 6.06 /bin 144k - 167k
FRITZ!Box Fon WLAN 7270 v1 4.74 - 4.99 /bin 159k - 167k, Link
FRITZ!Box Fon WLAN 7270 v2 4.76 - 6.06 /bin 144k - 167k, Link
FRITZ!Box Fon WLAN 7270 v3 4.76 - 6.06 /bin 144k - 167k
FRITZ!Box 7272 5.55 - 6.88 /bin 111k
FRITZ!Box 7312 6.01 - 6.55 /bin 111k
FRITZ!Box Fon WLAN 7320 4.85 - 6.34 /bin 111k - 165k
FRITZ!Box 7330 5.06 - 6.55 /bin 111k - 145k
FRITZ!Box 7330 SL 5.08 - 6.55 /bin 111k - 145k
FRITZ!Box Fon WLAN 7340 4.83 - 6.06 /bin 111k - 159k
FRITZ!Box Fon WLAN 7360 SL 5.04 - 6.34 /bin 111k - 164k
FRITZ!Box Fon WLAN 7360 v1 5.06 - 6.35 /bin 111k - 145k
FRITZ!Box Fon WLAN 7360 v2 5.22 - 6.87 /bin 109k - 141k
FRITZ!Box 7362 SL 5.53 - 7.13 /bin 109k - 118k
FRITZ!Box 7369 6.30 - 6.32 /bin 111k
FRITZ!Box Fon WLAN 7390 4.81 - 6.87 /bin 111k - 159k
FRITZ!Box 7412 6.21 - 6.87 /bin 109k - 111k
FRITZ!Box 7430 6.26 - 7.29 /bin 109k - 150k
FRITZ!Box 7490 (main) 5.57 - 7.51 /bin 109k - 150k
FRITZ!Box 7510 7.30 - 7.39 /bin 113k - 117k
FRITZ!Box 7520 6.98 - 7.50 /bin 108k - 121k
FRITZ!Box 7520 v2 (arm) 7.30 - 7.50 /bin 117k - 121k
FRITZ!Box 7530 6.93 - 7.50 /bin 108k - 121k
FRITZ!Box 7530 AX 7.20 - 7.39 /bin 113k - 121k
FRITZ!Box 7560 6.51 - 7.29 /bin 140k - 150k
FRITZ!Box Fon WLAN 7570 vDSL 4.76 - 4.94 /bin 159k - 167k
FRITZ!Box 7580 6.51 - 7.29 /bin 140k - 150k
FRITZ!Box 7581 6.54 - 7.16 /bin 110k - 121k
FRITZ!Box 7582 6.83 - 7.16 /bin 110k - 121k
FRITZ!Box 7583 7.01 - 7.31 /bin 140k - 150k
FRITZ!Box 7583 VDSL 7.19 - 7.31 /bin 146k
FRITZ!Box 7590 6.83 - 7.51 /bin 140k - 150k
FRITZ!Box 7590 AX 7.19 - 7.39 /bin 142k - 146k
Alice IAD 7570 vDSL 4.92 - 5.09 /bin 167k
68 models use this command

Symbols

Daily updated index of all symbols of this command. Last update: 2023-01-27 07:15 GMT.

Firmware Symbol
4.74 - 7.51 jcopy_block_row
4.74 - 7.51 jcopy_sample_rows
4.74 - 7.51 jdiv_round_up
4.74 - 7.51 jinit_1pass_quantizer
4.74 - 7.51 jinit_2pass_quantizer
4.74 - 7.51 jinit_arith_decoder
4.74 - 7.51 jinit_color_deconverter
4.74 - 7.51 jinit_d_coef_controller
4.74 - 7.51 jinit_d_main_controller
4.74 - 7.51 jinit_d_post_controller
4.74 - 7.51 jinit_huff_decoder
4.74 - 7.51 jinit_input_controller
4.74 - 7.51 jinit_inverse_dct
4.74 - 7.51 jinit_marker_reader
4.74 - 7.51 jinit_master_decompress
4.74 - 7.51 jinit_memory_mgr
4.74 - 7.51 jinit_merged_upsampler
4.74 - 7.51 jinit_phuff_decoder
4.74 - 7.51 jinit_upsampler
4.74 - 7.51 jinit_write_bmp
4.74 - 7.51 jinit_write_gif
4.74 - 7.51 jinit_write_ppm
4.74 - 7.51 jinit_write_targa
4.74 - 7.51 jpeg_CreateDecompress
4.74 - 7.51 jpeg_abort
4.74 - 7.51 jpeg_alloc_huff_table
4.74 - 7.51 jpeg_alloc_quant_table
4.74 - 7.51 jpeg_calc_output_dimensions
4.74 - 7.51 jpeg_consume_input
4.74 - 7.51 jpeg_destroy
4.74 - 7.51 jpeg_destroy_decompress
4.74 - 7.51 jpeg_fill_bit_buffer
4.74 - 7.51 jpeg_finish_decompress
4.74 - 7.51 jpeg_free_large
4.74 - 7.51 jpeg_free_small
4.74 - 7.51 jpeg_get_large
4.74 - 7.51 jpeg_get_small
4.74 - 7.51 jpeg_huff_decode
4.74 - 7.51 jpeg_idct_10x10
4.74 - 7.51 jpeg_idct_10x5
4.74 - 7.51 jpeg_idct_11x11
4.74 - 7.51 jpeg_idct_12x12
4.74 - 7.51 jpeg_idct_12x6
4.74 - 7.51 jpeg_idct_13x13
4.74 - 7.51 jpeg_idct_14x14
4.74 - 7.51 jpeg_idct_14x7
4.74 - 7.51 jpeg_idct_15x15
4.74 - 7.51 jpeg_idct_16x16
4.74 - 7.51 jpeg_idct_16x8
4.74 - 7.51 jpeg_idct_1x1
4.74 - 7.51 jpeg_idct_1x2
4.74 - 7.51 jpeg_idct_2x1
4.74 - 7.51 jpeg_idct_2x2
4.74 - 7.51 jpeg_idct_2x4
4.74 - 7.51 jpeg_idct_3x3
4.74 - 7.51 jpeg_idct_3x6
4.74 - 7.51 jpeg_idct_4x2
4.74 - 7.51 jpeg_idct_4x4
4.74 - 7.51 jpeg_idct_4x8
4.74 - 7.51 jpeg_idct_5x10
4.74 - 7.51 jpeg_idct_5x5
4.74 - 7.51 jpeg_idct_6x12
4.74 - 7.51 jpeg_idct_6x3
4.74 - 7.51 jpeg_idct_6x6
4.74 - 7.51 jpeg_idct_7x14
4.74 - 7.51 jpeg_idct_7x7
4.74 - 7.51 jpeg_idct_8x16
4.74 - 7.51 jpeg_idct_8x4
4.74 - 7.51 jpeg_idct_9x9
4.74 - 7.51 jpeg_idct_float
4.74 - 7.51 jpeg_idct_ifast
4.74 - 7.51 jpeg_idct_islow
4.74 - 7.51 jpeg_make_d_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_read_header
4.74 - 7.51 jpeg_read_scanlines
4.74 - 7.51 jpeg_resync_to_restart
4.74 - 7.51 jpeg_set_marker_processor
4.74 - 7.51 jpeg_start_decompress
4.74 - 7.51 jpeg_std_error
4.74 - 7.51 jpeg_stdio_src
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_color_map
4.74 - 7.51 read_stdin
4.74 - 7.51 write_stdout
91 symbols for this command

SMW-Browser

Information is currently being retrieved from the backend.