Saya mencoba mengonversi file AVI ke file MP4. Aliran video adalah XVID sedangkan aliran audio adalah MP3.
Masalahnya adalah file MP4 yang dihasilkan tidak dapat diputar di QuickTime Player di Mac. Ini diputar di VLC. Meskipun ini bukan pemecah kesepakatan, saya ingin tahu bagaimana menghasilkan masalah seperti itu.
Perintah dan outputnya adalah sebagai berikut:
$ ffmpeg -i 103.avi -codec copy -f mp4 103.mp4
ffmpeg version N-60163-g78a9f18 Copyright (c) 2000-2014 the FFmpeg developers
built on Jan 25 2014 14:03:47 with Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
configuration:
libavutil 52. 63.100 / 52. 63.100
libavcodec 55. 49.100 / 55. 49.100
libavformat 55. 26.100 / 55. 26.100
libavdevice 55. 5.102 / 55. 5.102
libavfilter 4. 1.101 / 4. 1.101
libswscale 2. 5.101 / 2. 5.101
libswresample 0. 17.104 / 0. 17.104
Input #0, avi, from '103.avi':
Metadata:
encoder : Lavf55.26.100
Duration: 00:49:36.43, start: 0.000000, bitrate: 986 kb/s
Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (XVID / 0x44495658), yuv420p, 512x368 [SAR 1:1 DAR 32:23], 23.98 tbr, 23.98 tbn, 23.98 tbc
Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 48000 Hz, stereo, s16p, 121 kb/s
Output #0, mp4, to '103.mp4':
Metadata:
encoder : Lavf55.26.100
Stream #0:0: Video: mpeg4 ( [0][0][0] / 0x0020), yuv420p, 512x368 [SAR 1:1 DAR 32:23], q=2-31, 11988 tbn, 23.98 tbc
Stream #0:1: Audio: mp3 (i[0][0][0] / 0x0069), 48000 Hz, stereo, 121 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
[mp4 @ 0x7fe5ca01fa00] pts has no value
Last message repeated 1555 times
[mp4 @ 0x7fe5ca01fa00] pts has no value9kB time=00:01:17.70 bitrate=1458.0kbits/s
Last message repeated 1041 times
[mp4 @ 0x7fe5ca01fa00] pts has no value49kB time=00:02:08.42 bitrate=1661.6kbits/s
Last message repeated 1906 times
[mp4 @ 0x7fe5ca01fa00] pts has no value53kB time=00:03:40.39 bitrate=1537.1kbits/s
Last message repeated 2136 times
[mp4 @ 0x7fe5ca01fa00] pts has no value93kB time=00:05:35.80 bitrate=1307.4kbits/s
Last message repeated 3519 times
[mp4 @ 0x7fe5ca01fa00] pts has no value32kB time=00:08:32.18 bitrate=1150.5kbits/s
Last message repeated 2813 times
[mp4 @ 0x7fe5ca01fa00] pts has no value88kB time=00:11:18.01 bitrate=1090.9kbits/s
Last message repeated 3057 times
[mp4 @ 0x7fe5ca01fa00] pts has no value39kB time=00:14:00.42 bitrate=1028.7kbits/s
Last message repeated 3731 times
[mp4 @ 0x7fe5ca01fa00] pts has no value11kB time=00:16:57.72 bitrate= 991.0kbits/s
Last message repeated 2658 times
[mp4 @ 0x7fe5ca01fa00] pts has no value76kB time=00:19:25.70 bitrate= 978.1kbits/s
Last message repeated 2167 times
[mp4 @ 0x7fe5ca01fa00] pts has no value70kB time=00:21:17.11 bitrate= 990.8kbits/s
Last message repeated 3663 times
[mp4 @ 0x7fe5ca01fa00] pts has no value20kB time=00:24:42.06 bitrate= 938.1kbits/s
Last message repeated 2335 times
[mp4 @ 0x7fe5ca01fa00] pts has no value79kB time=00:26:53.90 bitrate= 950.6kbits/s
Last message repeated 4153 times
[mp4 @ 0x7fe5ca01fa00] pts has no value06kB time=00:30:59.94 bitrate= 895.4kbits/s
Last message repeated 3168 times
[mp4 @ 0x7fe5ca01fa00] pts has no value87kB time=00:33:35.43 bitrate= 888.5kbits/s
Last message repeated 1565 times
[mp4 @ 0x7fe5ca01fa00] pts has no value02kB time=00:34:56.47 bitrate= 914.0kbits/s
Last message repeated 2792 times
[mp4 @ 0x7fe5ca01fa00] pts has no value10kB time=00:37:34.42 bitrate= 909.6kbits/s
Last message repeated 2503 times
[mp4 @ 0x7fe5ca01fa00] pts has no value49kB time=00:39:48.76 bitrate= 916.2kbits/s
Last message repeated 1714 times
[mp4 @ 0x7fe5ca01fa00] pts has no value70kB time=00:41:16.64 bitrate= 928.7kbits/s
Last message repeated 2060 times
[mp4 @ 0x7fe5ca01fa00] pts has no value79kB time=00:43:04.79 bitrate= 935.2kbits/s
Last message repeated 1349 times
[mp4 @ 0x7fe5ca01fa00] pts has no value46kB time=00:44:06.57 bitrate= 951.6kbits/s
Last message repeated 2354 times
[mp4 @ 0x7fe5ca01fa00] pts has no value67kB time=00:45:56.33 bitrate= 967.9kbits/s
Last message repeated 2668 times
[mp4 @ 0x7fe5ca01fa00] pts has no value50kB time=00:48:14.72 bitrate= 964.9kbits/s
Last message repeated 1655 times
frame=71363 fps=5738 q=-1.0 Lsize= 355528kB time=00:49:36.43 bitrate= 978.5kbits/s
video:309630kB audio:44196kB subtitle:0 global headers:0kB muxing overhead 0.481011%
Jika saya menyalin mp4 lagi, saya mendapatkan hasil berikut:
$ ffmpeg -i 103.mp4 -codec copy -f mp4 103-new.mp4
ffmpeg version N-60163-g78a9f18 Copyright (c) 2000-2014 the FFmpeg developers
built on Jan 25 2014 14:03:47 with Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
configuration:
libavutil 52. 63.100 / 52. 63.100
libavcodec 55. 49.100 / 55. 49.100
libavformat 55. 26.100 / 55. 26.100
libavdevice 55. 5.102 / 55. 5.102
libavfilter 4. 1.101 / 4. 1.101
libswscale 2. 5.101 / 2. 5.101
libswresample 0. 17.104 / 0. 17.104
[mpeg4 @ 0x7fcddb018000] Video uses a non-standard and wasteful way to store B-frames ('packed B-frames'). Consider using a tool like VirtualDub or avidemux to fix it.
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '103.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2mp41
encoder : Lavf55.26.100
Duration: 00:49:36.44, start: 0.000000, bitrate: 978 kb/s
Stream #0:0(und): Video: mpeg4 (Advanced Simple Profile) (mp4v / 0x7634706D), yuv420p, 512x368 [SAR 1:1 DAR 32:23], 852 kb/s, 23.98 fps, 23.98 tbr, 11988 tbn, 23.98 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 48000 Hz, stereo, s16p, 121 kb/s (default)
Metadata:
handler_name : SoundHandler
Output #0, mp4, to '103-new.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2mp41
encoder : Lavf55.26.100
Stream #0:0(und): Video: mpeg4 ( [0][0][0] / 0x0020), yuv420p, 512x368 [SAR 1:1 DAR 32:23], q=2-31, 852 kb/s, 23.98 fps, 11988 tbn, 11988 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #0:1(und): Audio: mp3 (i[0][0][0] / 0x0069), 48000 Hz, stereo, 121 kb/s (default)
Metadata:
handler_name : SoundHandler
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
frame=71363 fps=5505 q=-1.0 Lsize= 355528kB time=00:49:36.43 bitrate= 978.5kbits/s
video:309567kB audio:44196kB subtitle:0 global headers:0kB muxing overhead 0.498835%
ffmpeg -i 103.avi -fflags +genpts -codec copy -f mp4 103.mp4
? Saya benar-benar mencobanya sebelum memposting di sini tetapi tidak memperbaiki masalah dalam kasus saya. Apakah Anda tahu cara menggunakanavidemux
untuk memperbaiki masalah ini seperti yang disarankan oleh log ke-2?-fflags +genpts
harus pergi sebelumnya-i
.-fflags +genpts
tidak menyelesaikan masalah. Saya mendapatkan kesalahan yang persis sama. Saya menjalankan OSX dan telah mengompilasi ffmpeg dari sumber.Saya menemukan bahwa pengkodean frame rate memecahkan masalah ini:
(Saya masih mendapat peringatan "Cap waktu tidak disetel dalam paket dalam aliran 0", tetapi file yang dihasilkan dapat dicari di Quicktime Player pada Mac.)
sumber
-fflags +nofillin
opsi sebelum-i
deklarasi dan laporkan kembali.