我有一些 .mp4 文件。最近它们不再能用了。无论我使用哪种播放器和编解码器包，这些文件都显示为损坏、损坏、无法渲染等。
我也尝试过使用媒体信息从文件中提取信息，但没有显示任何内容。
有没有什么办法可以修复它们？
SMPlayer 日志
[08:53:56:569] BaseGui::fileOpen
[08:53:58:409] BaseGui::openFile: 'D:\Summer_2010\v_end.mp4'
[08:53:58:410] Core::openFile: 'D:\Summer_2010\v_end.mp4'
[08:53:58:410] Core::playNewFile: 'D:\Summer_2010\v_end.mp4'
[08:53:58:410] Core::saveMediaInfo
[08:53:58:410] FileSettingsHash::existSettingsFor: 'D:\Summer_2010\v_end.mp4'
[08:53:58:412] FileSettingsHash::existSettingsFor: config_file: 'C:/Users/Hamed/.smplayer/file_settings/0/0396255eb8d37a72.ini'
[08:53:58:412] Core::playNewFile: We have settings for this file!!!
[08:53:58:412] FileSettings::loadSettingsFor: 'D:\Summer_2010\v_end.mp4'
[08:53:58:415] FileSettingsHash::loadSettingsFor: config_file: 'C:/Users/Hamed/.smplayer/file_settings/0/0396255eb8d37a72.ini'
[08:53:58:416] MediaSettings::load
[08:53:58:416] Core::playNewFile: Media settings read
[08:53:58:416] Core::playNewFile: volume: 40, old_volume: 40
[08:53:58:416] Core::initPlaying
[08:53:58:416] Core::startMplayer
[08:53:58:416] Core::startMplayer: setting working directory to 'C:/Users/Hamed/.smplayer/screenshots'
[08:53:58:417] MplayerVersion::isMplayerAtLeast: comparing 27667 with 30369
[08:53:58:417] Core::startMplayer: priority of smplayer process set to 128
[08:53:58:417] MplayerVersion::isMplayerAtLeast: comparing 27872 with 30369
[08:53:58:418] MplayerVersion::isMplayerAtLeast: comparing 24924 with 30369
[08:53:58:418] Core::startMplayer: file basename: 'C:/Users/Hamed/Desktop/1'
[08:53:58:418] Core::startMplayer: edl file: ''
[08:53:58:418] MplayerLayer::playingStarted
[08:53:58:418] Screen::playingStarted
[08:53:58:418] Screen::setAutoHideCursor: 1
[08:53:58:418] Screen::playingStarted
[08:53:58:418] Screen::setAutoHideCursor: 1
[08:53:58:419] Core::startMplayer: command: 'C:/Program Files (x86)/SMPlayer/mplayer/mplayer.exe -noquiet -nofs -nomouseinput -sub-fuzziness 1 -identify -slave -vo direct3d, -nokeepaspect -priority abovenormal -framedrop -nodr -double -wid 656922 -colorkey 0x020202 -monitorpixelaspect 1 -ass -embeddedfonts -ass-line-spacing 0 -ass-font-scale 1 -ass-styles C:/Users/Hamed/.smplayer/styles.ass -fontconfig -font Arial -subfont-autoscale 0 -subfont-osd-scale 20 -subfont-text-scale 20 -subcp ISO-8859-1 -subpos 100 -volume 50 -nocache -osdlevel 0 -vf-add screenshot -slices -channels 2 -af scaletempo,equalizer=0:0:0:0:0:0:0:0:0:0 -softvol -softvol-max 110 D:\Summer_2010\v_end.mp4'
[08:53:58:442] Playlist::setModified: 0
[08:53:58:442] Playlist::addFiles
[08:53:58:442] Playlist::addItem: 'D:\Summer_2010\v_end.mp4'
[08:53:58:442] Playlist::updateView
[08:53:58:443] Playlist::updateView: name: 'v_end.mp4'
[08:53:58:443] Playlist::addFiles: latest_dir: 'C:/Users/Hamed/Desktop'
[08:53:58:529] MplayerProcess::parseLine: 'MPlayer Sherpya-SVN-r30369-4.2.5 (C) 2000-2009 MPlayer Team'
[08:53:58:531] MplayerVersion::mplayerVersion: MPlayer SVN revision found: 30369
[08:53:58:531] MplayerProcess::parseLine: MPlayer SVN: 30369
[08:53:58:534] MplayerProcess::parseLine: 'Setting process priority: abovenormal'
[08:53:58:534] MplayerProcess::parseLine: ''
[08:53:58:534] MplayerProcess::parseLine: 'Playing D:\Summer_2010\v_end.mp4.'
[08:54:00:912] MplayerProcess::parseLine: 'iconv: conversion from UTF-8 to CP720 unsupported'
[08:54:00:912] MplayerProcess::parseLine: 'iconv: conversion from UTF-8 to CP720 unsupported'
[08:54:00:912] MplayerProcess::parseLine: 'iconv: conversion from UTF-8 to CP720 unsupported'
[08:54:00:912] MplayerProcess::parseLine: 'iconv: conversion from UTF-8 to CP720 unsupported'
[08:54:00:912] MplayerProcess::parseLine: 'Seek failed'
[08:54:00:912] MplayerProcess::parseLine: ''
[08:54:00:912] MplayerProcess::parseLine: ''
[08:54:00:912] MplayerProcess::parseLine: 'Exiting... (End of file)'
[08:54:00:912] MplayerProcess::parseLine: detected end of file
[08:54:00:912] MplayerProcess::parseLine: 'ID_EXIT=EOF'
[08:54:00:912] MplayerProcess::parseLine: detected end of file
[08:54:00:912] MplayerProcess::parseLine: 'iconv: conversion from UTF-8 to CP720 unsupported'
[08:54:00:913] MplayerProcess::parseLine: 'iconv: conversion from UTF-8 to CP720 unsupported'
[08:54:00:913] MplayerProcess::parseLine: 'iconv: conversion from UTF-8 to CP720 unsupported'
[08:54:00:913] MyProcess::procFinished
[08:54:00:913] MyProcess::procFinished: Bytes available: 0
[08:54:00:913] MplayerProcess::processFinished: exitCode: 0, status: 0
[08:54:00:913] MplayerLayer::playingStopped
[08:54:00:913] Screen::playingStopped
[08:54:00:913] Screen::setAutoHideCursor: 0
[08:54:00:913] Screen::playingStopped
[08:54:00:913] Screen::setAutoHideCursor: 0
[08:54:00:914] Core::finishRestart: --- start ---
[08:54:00:914] Core::newMediaPlaying: --- start ---
[08:54:00:914] Core::initializeMenus
[08:54:00:914] BaseGui::initializeMenus
[08:54:00:914] MediaData::list
[08:54:00:914] filename: 'D:\Summer_2010\v_end.mp4'
[08:54:00:914] duration: 0.000000
[08:54:00:914] video_width: 0
[08:54:00:914] video_height: 0
[08:54:00:914] video_aspect: 1.333333
[08:54:00:914] type: 0
[08:54:00:914] novideo: 0
[08:54:00:914] dvd_id: ''
[08:54:00:914] initialized: 1
[08:54:00:914] chapters: 0
[08:54:00:914] Subs:
[08:54:00:914] Programs:
[08:54:00:914] Videos:
[08:54:00:914] Audios:
[08:54:00:914] Titles:
[08:54:00:914] demuxer: ''
[08:54:00:914] video_format: ''
[08:54:00:914] audio_format: ''
[08:54:00:914] video_bitrate: 0
[08:54:00:914] video_fps: ''
[08:54:00:914] audio_bitrate: 0
[08:54:00:914] audio_rate: 0
[08:54:00:914] audio_nch: 0
[08:54:00:914] video_codec: ''
[08:54:00:914] audio_codec: ''
[08:54:00:914] MediaSettings::list
[08:54:00:914] current_sec: 0.000000
[08:54:00:914] current_sub_id: -1000
[08:54:00:914] current_program_id: -1000
[08:54:00:914] current_video_id: -1000
[08:54:00:914] current_audio_id: -1000
[08:54:00:914] current_title_id: -1000
[08:54:00:915] current_chapter_id: 0
[08:54:00:915] current_angle_id: -1000
[08:54:00:915] aspect_ratio_id: 1
[08:54:00:915] volume: 40
[08:54:00:915] mute: 0
[08:54:00:915] external_subtitles: ''
[08:54:00:915] external_audio: ''
[08:54:00:915] sub_delay: 0
[08:54:00:915] audio_delay: 0
[08:54:00:915] sub_pos: 100
[08:54:00:915] sub_scale: 5.000000
[08:54:00:915] sub_scale_ass: 1.000000
[08:54:00:915] brightness: 0
[08:54:00:915] contrast: 0
[08:54:00:915] gamma: 0
[08:54:00:915] hue: 0
[08:54:00:915] saturation: 0
[08:54:00:915] speed: 1.000000
[08:54:00:915] phase_filter: 0
[08:54:00:915] current_denoiser: 0
[08:54:00:915] deblock_filter: 0
[08:54:00:915] dering_filter: 0
[08:54:00:915] noise_filter: 0
[08:54:00:915] postprocessing_filter: 0
[08:54:00:915] upscaling_filter: 0
[08:54:00:915] current_deinterlacer: 0
[08:54:00:915] add_letterbox: 0
[08:54:00:915] karaoke_filter: 0
[08:54:00:915] extrastereo_filter: 0
[08:54:00:915] volnorm_filter: 0
[08:54:00:915] audio_use_channels: 2
[08:54:00:915] stereo_mode: 0
[08:54:00:915] zoom_factor: 1.000000
[08:54:00:915] rotate: -1
[08:54:00:915] flip: 0
[08:54:00:915] mirror: 0
[08:54:00:915] loop: 0
[08:54:00:915] A_marker: -1
[08:54:00:915] B_marker: -1
[08:54:00:915] forced_demuxer: ''
[08:54:00:915] forced_video_codec: ''
[08:54:00:915] forced_audio_codec: ''
[08:54:00:915] original_demuxer: ''
[08:54:00:915] original_video_codec: ''
[08:54:00:915] original_audio_codec: ''
[08:54:00:915] mplayer_additional_options: ''
[08:54:00:915] mplayer_additional_video_filters: ''
[08:54:00:915] mplayer_additional_audio_filters: ''
[08:54:00:915] win_width: 400
[08:54:00:915] win_height: 300
[08:54:00:916] win_aspect(): 1.333333
[08:54:00:916] starting_time: -1.000000
[08:54:00:916] is264andHD: 0
[08:54:00:916] Core::newMediaPlaying: --- end ---
[08:54:00:916] BaseGui::enterFullscreenOnPlay: arg_start_in_fullscreen: -1, pref->start_in_fullscreen: 0
[08:54:00:916] Core::changeAspectRatio: 1
[08:54:00:916] Core::displayMessage
[08:54:00:916] Core::setVolume: 50
[08:54:00:916] Core::tellmp: 'volume 50 1'
[08:54:00:916] WARNING: tellmp: no process running: volume 50 1
[08:54:00:916] Core::updateWidgets
[08:54:00:916] DefaultGui::updateWidgets
[08:54:00:916] BaseGui::updateWidgets
[08:54:00:916] Core::displayMessage
[08:54:00:917] Core::changeZoom: 1.000000
[08:54:00:917] Core::displayMessage
[08:54:00:918] Core::changeSubVisilibity: 1
[08:54:00:918] Core::tellmp: 'sub_visibility 1'
[08:54:00:918] WARNING: tellmp: no process running: sub_visibility 1
[08:54:00:918] Core::displayMessage
[08:54:00:918] DefaultGui::enableActionsOnPlaying
[08:54:00:918] BaseGui::enableActionsOnPlaying
[08:54:00:920] BaseGui::autosaveMplayerLog
[08:54:00:920] Playlist:: getMediaInfo
[08:54:00:920] Playlist::updateView
[08:54:00:920] Playlist::updateView: name: 'v_end.mp4'
[08:54:00:920] BaseGuiPlus::updateMediaInfo
[08:54:00:920] BaseGui::updateMediaInfo
[08:54:00:921] Core::updateWidgets
[08:54:00:921] DefaultGui::updateWidgets
[08:54:00:921] BaseGui::updateWidgets
[08:54:00:921] Core::finishRestart: --- end ---
[08:54:00:921] Core::processFinished
[08:54:00:921] Core::processFinished: we_are_restarting: 0
[08:54:00:921] Core::processFinished: play has finished!
[08:54:00:921] Core::processFinished: exit_code: 0
[08:54:00:921] Core::updateWidgets
[08:54:00:921] DefaultGui::updateWidgets
[08:54:00:921] BaseGui::updateWidgets
[08:54:00:921] DefaultGui::disableActionsOnStop
[08:54:00:921] BaseGui::disableActionsOnStop
[08:54:00:922] BaseGui::newMediaLoaded
[08:54:00:922] Recents::addItem: 'D:\Summer_2010\v_end.mp4'
[08:54:00:922] BaseGui::updateRecents
[08:54:00:922] BaseGui::checkPendingActionsToRun
[08:54:00:922] Core::checkIfVideoIsHD
[08:54:00:923] Playlist::playNext
[08:54:00:923] Playlist::updateView
[08:54:00:923] Playlist::updateView: name: 'v_end.mp4'
[08:54:00:923] Playlist::playItem: 1 (count:1)
[08:54:00:923] Playlist::playItem: out of range
[08:54:00:923] BaseGui::playlistHasFinished
[08:54:00:923] BaseGui::playlistHasFinished: arg_close_on_finish: -1, pref->close_on_finish: 0
[08:54:03:127] Core::changeOSD: 1
[08:54:03:127] Core::pausing_prefix
[08:54:03:127] MplayerVersion::isMplayerAtLeast: comparing 27665 with 30369
[08:54:03:127] Core::tellmp: 'pausing_keep_force osd 1'
[08:54:03:127] WARNING: tellmp: no process running: pausing_keep_force osd 1
[08:54:03:127] Core::updateWidgets
[08:54:03:127] DefaultGui::updateWidgets
[08:54:03:127] BaseGui::updateWidgets
[08:55:28:446] MplayerWindow::mouseReleaseEvent
[08:55:28:446] BaseGui::leftClickFunction
[08:55:28:446] BaseGui::processFunction: 'dvdnav_mouse'
[08:55:28:446] BaseGui::processFunction: action found
[08:55:28:446] Core::dvdnavMouse
[08:55:33:987] Core::play
[08:55:33:987] Core::initPlaying
[08:55:33:987] Core::startMplayer
[08:55:33:988] Core::startMplayer: setting working directory to 'C:/Users/Hamed/.smplayer/screenshots'
[08:55:33:988] MplayerVersion::isMplayerAtLeast: comparing 27667 with 30369
[08:55:33:988] Core::startMplayer: priority of smplayer process set to 128
[08:55:33:989] MplayerVersion::isMplayerAtLeast: comparing 27872 with 30369
[08:55:33:989] MplayerVersion::isMplayerAtLeast: comparing 24924 with 30369
[08:55:33:989] Core::startMplayer: file basename: 'C:/Users/Hamed/Desktop/1'
[08:55:33:989] Core::startMplayer: edl file: ''
[08:55:33:989] MplayerLayer::playingStarted
[08:55:33:990] Screen::playingStarted
[08:55:33:990] Screen::setAutoHideCursor: 1
[08:55:33:990] Screen::playingStarted
[08:55:33:990] Screen::setAutoHideCursor: 1
[08:55:33:990] Core::startMplayer: command: 'C:/Program Files (x86)/SMPlayer/mplayer/mplayer.exe -noquiet -nofs -nomouseinput -sub-fuzziness 1 -identify -slave -vo direct3d, -nokeepaspect -priority abovenormal -framedrop -nodr -double -wid 656922 -colorkey 0x020202 -monitorpixelaspect 1 -ass -embeddedfonts -ass-line-spacing 0 -ass-font-scale 1 -ass-styles C:/Users/Hamed/.smplayer/styles.ass -fontconfig -font Arial -subfont-autoscale 0 -subfont-osd-scale 20 -subfont-text-scale 20 -subcp ISO-8859-1 -subpos 100 -volume 50 -nocache -osdlevel 0 -vf-add screenshot -slices -channels 2 -af scaletempo,equalizer=0:0:0:0:0:0:0:0:0:0 -softvol -softvol-max 110 D:\Summer_2010\v_end.mp4'
[08:55:34:103] MplayerProcess::parseLine: 'MPlayer Sherpya-SVN-r30369-4.2.5 (C) 2000-2009 MPlayer Team'
[08:55:34:103] MplayerVersion::mplayerVersion: MPlayer SVN revision found: 30369
[08:55:34:103] MplayerProcess::parseLine: MPlayer SVN: 30369
[08:55:34:103] MplayerProcess::parseLine: 'Setting process priority: abovenormal'
[08:55:34:103] MplayerProcess::parseLine: ''
[08:55:34:103] MplayerProcess::parseLine: 'Playing D:\Summer_2010\v_end.mp4.'
[08:55:36:398] MplayerProcess::parseLine: 'iconv: conversion from UTF-8 to CP720 unsupported'
[08:55:36:398] MplayerProcess::parseLine: 'iconv: conversion from UTF-8 to CP720 unsupported'
[08:55:36:398] MplayerProcess::parseLine: 'iconv: conversion from UTF-8 to CP720 unsupported'
[08:55:36:398] MplayerProcess::parseLine: 'iconv: conversion from UTF-8 to CP720 unsupported'
[08:55:36:398] MplayerProcess::parseLine: 'Seek failed'
[08:55:36:457] MplayerProcess::parseLine: ''
[08:55:36:457] MplayerProcess::parseLine: ''
[08:55:36:457] MplayerProcess::parseLine: 'Exiting... (End of file)'
[08:55:36:457] MplayerProcess::parseLine: detected end of file
[08:55:36:457] MplayerProcess::parseLine: 'ID_EXIT=EOF'
[08:55:36:457] MplayerProcess::parseLine: detected end of file
[08:55:36:457] MplayerProcess::parseLine: 'iconv: conversion from UTF-8 to CP720 unsupported'
[08:55:36:457] MplayerProcess::parseLine: 'iconv: conversion from UTF-8 to CP720 unsupported'
[08:55:36:457] MplayerProcess::parseLine: 'iconv: conversion from UTF-8 to CP720 unsupported'
[08:55:36:457] MyProcess::procFinished
[08:55:36:457] MyProcess::procFinished: Bytes available: 0
[08:55:36:457] MplayerProcess::processFinished: exitCode: 0, status: 0
[08:55:36:457] MplayerLayer::playingStopped
[08:55:36:458] Screen::playingStopped
[08:55:36:458] Screen::setAutoHideCursor: 0
[08:55:36:458] Screen::playingStopped
[08:55:36:458] Screen::setAutoHideCursor: 0
[08:55:36:458] Core::finishRestart: --- start ---
[08:55:36:458] Core::changeAspectRatio: 1
[08:55:36:458] Core::displayMessage
[08:55:36:458] Core::setVolume: 50
[08:55:36:458] Core::tellmp: 'volume 50 1'
[08:55:36:458] WARNING: tellmp: no process running: volume 50 1
[08:55:36:458] Core::updateWidgets
[08:55:36:458] DefaultGui::updateWidgets
[08:55:36:458] BaseGui::updateWidgets
[08:55:36:459] Core::displayMessage
[08:55:36:459] Core::changeZoom: 1.000000
[08:55:36:459] Core::displayMessage
[08:55:36:460] Core::changeSubVisilibity: 1
[08:55:36:460] Core::tellmp: 'sub_visibility 1'
[08:55:36:460] WARNING: tellmp: no process running: sub_visibility 1
[08:55:36:460] Core::displayMessage
[08:55:36:460] DefaultGui::enableActionsOnPlaying
[08:55:36:460] BaseGui::enableActionsOnPlaying
[08:55:36:461] BaseGui::autosaveMplayerLog
[08:55:36:461] Playlist:: getMediaInfo
[08:55:36:461] Playlist::updateView
[08:55:36:461] Playlist::updateView: name: 'v_end.mp4'
[08:55:36:462] BaseGuiPlus::updateMediaInfo
[08:55:36:462] BaseGui::updateMediaInfo
[08:55:36:462] Core::updateWidgets
[08:55:36:462] DefaultGui::updateWidgets
[08:55:36:462] BaseGui::updateWidgets
[08:55:36:462] Core::finishRestart: --- end ---
[08:55:36:462] Core::processFinished
[08:55:36:462] Core::processFinished: we_are_restarting: 0
[08:55:36:462] Core::processFinished: play has finished!
[08:55:36:462] Core::processFinished: exit_code: 0
[08:55:36:462] Core::updateWidgets
[08:55:36:462] DefaultGui::updateWidgets
[08:55:36:462] BaseGui::updateWidgets
[08:55:36:462] DefaultGui::disableActionsOnStop
[08:55:36:462] BaseGui::disableActionsOnStop
[08:55:36:463] Core::checkIfVideoIsHD
[08:55:36:463] Playlist::playNext
[08:55:36:463] Playlist::updateView
[08:55:36:463] Playlist::updateView: name: 'v_end.mp4'
[08:55:36:463] Playlist::playItem: 1 (count:1)
[08:55:36:464] Playlist::playItem: out of range
[08:55:36:464] BaseGui::playlistHasFinished
[08:55:36:464] BaseGui::playlistHasFinished: arg_close_on_finish: -1, pref->close_on_finish: 0
[08:55:38:655] Core::changeOSD: 1
[08:55:38:655] Core::pausing_prefix
[08:55:38:655] MplayerVersion::isMplayerAtLeast: comparing 27665 with 30369
[08:55:38:655] Core::tellmp: 'pausing_keep_force osd 1'
[08:55:38:655] WARNING: tellmp: no process running: pausing_keep_force osd 1
答案1
这些文件可以在另一台电脑上播放吗？如果不能，你的硬盘崩溃会损坏它们，而且可能无法修复。我过去做过的一件事是使用门编码器或类似的软件包将损坏的文件转换为 AVI。这至少可以恢复未损坏的部分。