2020-06-08 03:29:51 +03:00
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# ffmpeg -y -f lavfi -i testsrc=size=4x4:r=1 -t 2s 4x4a.apng
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/4x4a.apng:
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2021-08-13 17:40:28 +03:00
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$ fq -d png verbose /4x4a.apng
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2020-06-08 03:29:51 +03:00
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|00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f| |.: {} /4x4a.apng (png) 0x0-0xf3.7 (244)
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0x00|89 50 4e 47 0d 0a 1a 0a |.PNG.... | signature: "\x89PNG\r\n\x1a\n" (Correct) 0x0-0x7.7 (8)
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| | | chunks: [8] 0x8-0xf3.7 (236)
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| | | [0]: chunk {} 0x8-0x20.7 (25)
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0x00| 00 00 00 0d | .... | length: 13 0x8-0xb.7 (4)
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0x00| 49 48 44 52| IHDR| type: "IHDR" 0xc-0xf.7 (4)
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0x00| 49 | I | ancillary: false 0xc.3-0xc.3 (0.1)
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0x00| 48 | H | private: false 0xd.3-0xd.3 (0.1)
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0x00| 44 | D | reserved: false 0xe.3-0xe.3 (0.1)
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0x00| 52| R| safe_to_copy: true 0xf.3-0xf.3 (0.1)
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0x10|00 00 00 04 |.... | width: 4 0x10-0x13.7 (4)
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0x10| 00 00 00 04 | .... | height: 4 0x14-0x17.7 (4)
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0x10| 08 | . | bit_depth: 8 0x18-0x18.7 (1)
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0x10| 02 | . | color_type: 2 0x19-0x19.7 (1)
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0x10| 00 | . | compression_method: deflate (0) 0x1a-0x1a.7 (1)
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0x10| 00 | . | filter_method: Adaptive filtering (0) 0x1b-0x1b.7 (1)
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0x10| 00 | . | interlace_method: No interlace (0) 0x1c-0x1c.7 (1)
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0x10| 26 93 09| &..| crc: Correct (26930929) 0x1d-0x20.7 (4)
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0x20|29 |) |
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| | | [1]: chunk {} 0x21-0x35.7 (21)
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0x20| 00 00 00 09 | .... | length: 9 0x21-0x24.7 (4)
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0x20| 70 48 59 73 | pHYs | type: "pHYs" 0x25-0x28.7 (4)
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0x20| 70 | p | ancillary: true 0x25.3-0x25.3 (0.1)
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0x20| 48 | H | private: false 0x26.3-0x26.3 (0.1)
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0x20| 59 | Y | reserved: true 0x27.3-0x27.3 (0.1)
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0x20| 73 | s | safe_to_copy: true 0x28.3-0x28.3 (0.1)
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0x20| 00 00 00 01 | .... | x_pixels_per_unit: 1 0x29-0x2c.7 (4)
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0x20| 00 00 00| ...| y_pixels_per_unit: 1 0x2d-0x30.7 (4)
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0x30|01 |. |
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0x30| 00 | . | unit: 0 0x31-0x31.7 (1)
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0x30| 4f 25 c4 d6 | O%.. | crc: Correct (4f25c4d6) 0x32-0x35.7 (4)
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| | | [2]: chunk {} 0x36-0x49.7 (20)
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0x30| 00 00 00 08 | .... | length: 8 0x36-0x39.7 (4)
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0x30| 61 63 54 4c | acTL | type: "acTL" 0x3a-0x3d.7 (4)
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0x30| 61 | a | ancillary: false 0x3a.3-0x3a.3 (0.1)
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0x30| 63 | c | private: false 0x3b.3-0x3b.3 (0.1)
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0x30| 54 | T | reserved: true 0x3c.3-0x3c.3 (0.1)
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0x30| 4c | L | safe_to_copy: false 0x3d.3-0x3d.3 (0.1)
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0x30| 00 00| ..| num_frames: 2 0x3e-0x41.7 (4)
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0x40|00 02 |.. |
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0x40| 00 00 00 01 | .... | num_plays: 1 0x42-0x45.7 (4)
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0x40| 84 8a a3 e6 | .... | crc: Correct (848aa3e6) 0x46-0x49.7 (4)
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| | | [3]: chunk {} 0x4a-0x6f.7 (38)
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0x40| 00 00 00 1a | .... | length: 26 0x4a-0x4d.7 (4)
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0x40| 66 63| fc| type: "fcTL" 0x4e-0x51.7 (4)
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0x50|54 4c |TL |
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0x40| 66 | f | ancillary: false 0x4e.3-0x4e.3 (0.1)
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0x40| 63| c| private: false 0x4f.3-0x4f.3 (0.1)
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0x50|54 |T | reserved: true 0x50.3-0x50.3 (0.1)
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0x50| 4c | L | safe_to_copy: false 0x51.3-0x51.3 (0.1)
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0x50| 00 00 00 00 | .... | sequence_number: 0 0x52-0x55.7 (4)
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0x50| 00 00 00 04 | .... | width: 4 0x56-0x59.7 (4)
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0x50| 00 00 00 04 | .... | height: 4 0x5a-0x5d.7 (4)
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0x50| 00 00| ..| x_offset: 0 0x5e-0x61.7 (4)
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0x60|00 00 |.. |
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0x60| 00 00 00 00 | .... | y_offset: 0 0x62-0x65.7 (4)
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0x60| 00 01 | .. | delay_num: 1 0x66-0x67.7 (2)
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0x60| 00 01 | .. | delay_sep: 1 0x68-0x69.7 (2)
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0x60| 00 | . | dispose_op: None (0) 0x6a-0x6a.7 (1)
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0x60| 00 | . | blend_op: Source (0) 0x6b-0x6b.7 (1)
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0x60| 5b 27 ec 00| ['..| crc: Correct (5b27ec00) 0x6c-0x6f.7 (4)
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| | | [4]: chunk {} 0x70-0x9d.7 (46)
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0x70|00 00 00 22 |..." | length: 34 0x70-0x73.7 (4)
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0x70| 49 44 41 54 | IDAT | type: "IDAT" 0x74-0x77.7 (4)
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0x70| 49 | I | ancillary: false 0x74.3-0x74.3 (0.1)
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0x70| 44 | D | private: false 0x75.3-0x75.3 (0.1)
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0x70| 41 | A | reserved: false 0x76.3-0x76.3 (0.1)
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0x70| 54 | T | safe_to_copy: true 0x77.3-0x77.3 (0.1)
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0x70| 78 9c 63 60 60 60 f8 0f| x.c```..| data: 789c63606060f80fc6ff4114880564fc... 0x78-0x99.7 (34)
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0x80|c6 ff 41 14 88 05 64 fc 87 08 22 71 80 44 3d 88|..A...d..."q.D=.|
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0x90|f1 bf 81 e1 3f 00 c8 76 13 ed |....?..v.. |
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0x90| 2f 76 8a 2a | /v.* | crc: Correct (2f768a2a) 0x9a-0x9d.7 (4)
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| | | [5]: chunk {} 0x9e-0xc3.7 (38)
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0x90| 00 00| ..| length: 26 0x9e-0xa1.7 (4)
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0xa0|00 1a |.. |
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0xa0| 66 63 54 4c | fcTL | type: "fcTL" 0xa2-0xa5.7 (4)
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0xa0| 66 | f | ancillary: false 0xa2.3-0xa2.3 (0.1)
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0xa0| 63 | c | private: false 0xa3.3-0xa3.3 (0.1)
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0xa0| 54 | T | reserved: true 0xa4.3-0xa4.3 (0.1)
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0xa0| 4c | L | safe_to_copy: false 0xa5.3-0xa5.3 (0.1)
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0xa0| 00 00 00 01 | .... | sequence_number: 1 0xa6-0xa9.7 (4)
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0xa0| 00 00 00 04 | .... | width: 4 0xaa-0xad.7 (4)
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0xa0| 00 00| ..| height: 1 0xae-0xb1.7 (4)
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0xb0|00 01 |.. |
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0xb0| 00 00 00 00 | .... | x_offset: 0 0xb2-0xb5.7 (4)
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0xb0| 00 00 00 03 | .... | y_offset: 3 0xb6-0xb9.7 (4)
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0xb0| 00 01 | .. | delay_num: 1 0xba-0xbb.7 (2)
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0xb0| 00 01 | .. | delay_sep: 1 0xbc-0xbd.7 (2)
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0xb0| 00 | . | dispose_op: None (0) 0xbe-0xbe.7 (1)
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0xb0| 00| .| blend_op: Source (0) 0xbf-0xbf.7 (1)
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0xc0|c2 3b a2 c2 |.;.. | crc: Correct (c23ba2c2) 0xc0-0xc3.7 (4)
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| | | [6]: chunk {} 0xc4-0xe7.7 (36)
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0xc0| 00 00 00 18 | .... | length: 24 0xc4-0xc7.7 (4)
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0xc0| 66 64 41 54 | fdAT | type: "fdAT" 0xc8-0xcb.7 (4)
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0xc0| 66 | f | ancillary: false 0xc8.3-0xc8.3 (0.1)
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0xc0| 64 | d | private: false 0xc9.3-0xc9.3 (0.1)
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0xc0| 41 | A | reserved: false 0xca.3-0xca.3 (0.1)
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0xc0| 54 | T | safe_to_copy: true 0xcb.3-0xcb.3 (0.1)
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0xc0| 00 00 00 02| ....| sequence_number: 2 0xcc-0xcf.7 (4)
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0xd0|78 9c 63 f8 ff 9f 81 e1 7f 03 10 ff 67 a8 07 00|x.c.........g...| data: 789c63f8ff9f81e17f0310ff67a80700... 0xd0-0xe3.7 (20)
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0xe0|29 e6 05 fb |)... |
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0xe0| 7b f5 c3 3d | {..= | crc: Correct (7bf5c33d) 0xe4-0xe7.7 (4)
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| | | [7]: chunk {} 0xe8-0xf3.7 (12)
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0xe0| 00 00 00 00 | .... | length: 0 0xe8-0xeb.7 (4)
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0xe0| 49 45 4e 44| IEND| type: "IEND" 0xec-0xef.7 (4)
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0xe0| 49 | I | ancillary: false 0xec.3-0xec.3 (0.1)
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0xe0| 45 | E | private: false 0xed.3-0xed.3 (0.1)
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0xe0| 4e | N | reserved: false 0xee.3-0xee.3 (0.1)
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0xe0| 44| D| safe_to_copy: false 0xef.3-0xef.3 (0.1)
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0xf0|ae 42 60 82| |.B`.| | crc: Correct (ae426082) 0xf0-0xf3.7 (4)
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