Command line #1: **************** avconv -y -i /ścieżka/do/pliku/0.mkv -f mp4 -b 700k -r 25 -vcodec mpeg4 -aspect 4:3 -ab 128k -ar 44100 -acodec libvo_aacenc -an -pass 1 -passlogfile /tmp/pass1log /tmp/pass1file Error detail: ************* avconv version 9.16-6:9.16-0ubuntu0.14.04.1, Copyright © 2000-2014 the Libav developers built on Aug 10 2014 18:16:02 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1) [matroska,webm @ 0x1542560] Unknown/unsupported AVCodecID V_MPEGH/ISO/HEVC. [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 2 with DTS 200, packet 3 with DTS 117 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 6 with DTS 500, packet 7 with DTS 417 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 7 with DTS 417, packet 8 with DTS 334 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 11 with DTS 701, packet 12 with DTS 617 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 12 with DTS 617, packet 13 with DTS 534 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 16 with DTS 918, packet 17 with DTS 834 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 17 with DTS 834, packet 18 with DTS 751 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 21 with DTS 1084, packet 22 with DTS 1001 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 22 with DTS 1001, packet 23 with DTS 951 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 29 with DTS 1335, packet 30 with DTS 1285 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 31 with DTS 1451, packet 32 with DTS 1418 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 32 with DTS 1418, packet 33 with DTS 1368 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 34 with DTS 1585, packet 35 with DTS 1535 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 35 with DTS 1535, packet 36 with DTS 1501 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 37 with DTS 1668, packet 38 with DTS 1618 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 40 with DTS 1835, packet 41 with DTS 1785 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 41 with DTS 1785, packet 42 with DTS 1752 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 43 with DTS 1952, packet 44 with DTS 1919 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 44 with DTS 1919, packet 45 with DTS 1869 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 46 with DTS 2085, packet 47 with DTS 2035 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 47 with DTS 2035, packet 48 with DTS 2002 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 49 with DTS 2252, packet 50 with DTS 2169 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 50 with DTS 2169, packet 51 with DTS 2119 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 53 with DTS 2336, packet 54 with DTS 2286 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 55 with DTS 2452, packet 56 with DTS 2419 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 56 with DTS 2419, packet 57 with DTS 2369 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 59 with DTS 2703, packet 60 with DTS 2619 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 60 with DTS 2619, packet 61 with DTS 2536 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 64 with DTS 2836, packet 65 with DTS 2786 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 65 with DTS 2786, packet 66 with DTS 2753 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 67 with DTS 3003, packet 68 with DTS 2920 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 68 with DTS 2920, packet 69 with DTS 2870 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 71 with DTS 3203, packet 72 with DTS 3120 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 72 with DTS 3120, packet 73 with DTS 3036 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 76 with DTS 3287, packet 77 with DTS 3253 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 78 with DTS 3370, packet 79 with DTS 3337 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 81 with DTS 3503, packet 82 with DTS 3453 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 84 with DTS 3704, packet 85 with DTS 3620 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 85 with DTS 3620, packet 86 with DTS 3587 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 88 with DTS 3871, packet 89 with DTS 3787 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 89 with DTS 3787, packet 90 with DTS 3754 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 92 with DTS 4037, packet 93 with DTS 3954 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 93 with DTS 3954, packet 94 with DTS 3921 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 96 with DTS 4204, packet 97 with DTS 4121 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 97 with DTS 4121, packet 98 with DTS 4087 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 103 with DTS 4454, packet 104 with DTS 4421 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 104 with DTS 4421, packet 105 with DTS 4371 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 106 with DTS 4588, packet 107 with DTS 4538 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 107 with DTS 4538, packet 108 with DTS 4504 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 109 with DTS 4705, packet 110 with DTS 4671 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 110 with DTS 4671, packet 111 with DTS 4621 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 112 with DTS 4922, packet 113 with DTS 4838 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 113 with DTS 4838, packet 114 with DTS 4755 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 117 with DTS 5038, packet 118 with DTS 5005 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 118 with DTS 5005, packet 119 with DTS 4955 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 121 with DTS 5205, packet 122 with DTS 5172 [matroska,webm @ 0x1542560] Non-increasing DTS in stream 0: packet 122 with DTS 5172, packet 123 with DTS 5122 [matroska,webm @ 0x1542560] max_analyze_duration reached Input #0, matroska,webm, from ‘/ścieżka/do/pliku/0.mkv’: Metadata: ENCODER : Lavf55.12.0 Duration: 00:10:33.85, start: 0.000000, bitrate: N/A Chapter #0.0: start 0.000000, end 8.058000 Metadata: title : Chapter 1 Chapter #0.1: start 8.058000, end 67.784000 Metadata: title : Chapter 2 Chapter #0.2: start 67.784000, end 136.353000 Metadata: title : Chapter 3 Chapter #0.3: start 136.353000, end 195.312000 Metadata: title : Chapter 4 Chapter #0.4: start 195.312000, end 254.871000 Metadata: title : Chapter 5 Chapter #0.5: start 254.871000, end 315.699000 Metadata: title : Chapter 6 Chapter #0.6: start 315.699000, end 374.824000 Metadata: title : Chapter 7 Chapter #0.7: start 374.824000, end 436.319000 Metadata: title : Chapter 8 Chapter #0.8: start 436.319000, end 496.780000 Metadata: title : Chapter 9 Chapter #0.9: start 496.780000, end 551.568000 Metadata: title : Chapter 10 Chapter #0.10: start 551.568000, end 633.383000 Metadata: title : Chapter 11 Stream #0.0: Video: [0][0][0][0] / 0x0000, 720x480, PAR 186:157 DAR 279:157, 23.98 fps, 23.98 tbr, 1k tbn (default) Stream #0.1(eng): Audio: aac, 48000 Hz, stereo, fltp (default) Metadata: title : Stereo LANGUAGE : eng Stream #0.2(eng): Audio: aac, 48000 Hz, stereo, fltp Metadata: title : Stereo LANGUAGE : eng Stream #0.3(eng): Audio: aac, 48000 Hz, stereo, fltp Metadata: title : Stereo LANGUAGE : eng Stream #0.4(eng): Subtitle: dvdsub Stream #0.5(spa): Subtitle: dvdsub [buffer @ 0x15a0fe0] Invalid pixel format string ‘-1’ Error opening filters!