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* 출처 : http://jihadw.tistory.com/50
webM은 일반적으로 데이터를 보는게 불가능한 것 같다.
그래서 프로그램을 사용해야되는데, ffprobe라는 걸 이용하면 된다.
ffprobe를 이용해서 데이터를 얻을 수 있다.1
예)
ffprobe.exe -show_streams "input file"
이렇게 하면, 다음과 같은 형태를 얻을 수 있게 된다.
ffprobe version N-75185-gf58e011 Copyright (c) 2007-2015 the FFmpeg developers built with gcc 4.9.3 (GCC) configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma --enable-decklink --enable-opencl --enable-zlib libavutil 55. 2.100 / 55. 2.100 libavcodec 57. 1.100 / 57. 1.100 libavformat 57. 0.100 / 57. 0.100 libavdevice 57. 0.100 / 57. 0.100 libavfilter 6. 1.100 / 6. 1.100 libswscale 4. 0.100 / 4. 0.100 libswresample 2. 0.100 / 2. 0.100 libpostproc 54. 0.100 / 54. 0.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '.\moveCap.mp4': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2avc1mp41 encoder : Lavf57.0.100 Duration: 00:01:00.00, start: 0.040998, bitrate: 3498 kb/s Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 800x600 [SAR 1:1 DAR 4:3], 3512 kb/s, 23.81 fps, 60 tbr, 48k tbn, 50 tbc (default) Metadata: handler_name : VideoHandler Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 22050 Hz, stereo, fltp, 94 kb/s (default) Metadata: handler_name : SoundHandler [STREAM] index=0 codec_name=h264 codec_long_name=H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 profile=High codec_type=video codec_time_base=1/50 codec_tag_string=avc1 codec_tag=0x31637661 width=800 height=600 coded_width=800 coded_height=608 has_b_frames=0 sample_aspect_ratio=1:1 display_aspect_ratio=4:3 pix_fmt=yuv420p level=40 color_range=N/A color_space=unknown color_transfer=unknown color_primaries=unknown chroma_location=left timecode=N/A refs=1 is_avc=1 nal_length_size=4 id=N/A r_frame_rate=60/1 avg_frame_rate=86375/3628 time_base=1/48000 start_pts=94752 start_time=1.974000 duration_ts=2786304 duration=58.048000 bit_rate=3512905 max_bit_rate=N/A bits_per_raw_sample=8 nb_frames=1382 nb_read_frames=N/A nb_read_packets=N/A DISPOSITION:default=1 DISPOSITION:dub=0 DISPOSITION:original=0 DISPOSITION:comment=0 DISPOSITION:lyrics=0 DISPOSITION:karaoke=0 DISPOSITION:forced=0 DISPOSITION:hearing_impaired=0 DISPOSITION:visual_impaired=0 DISPOSITION:clean_effects=0 DISPOSITION:attached_pic=0 TAG:language=eng TAG:handler_name=VideoHandler [/STREAM] [STREAM] index=1 codec_name=aac codec_long_name=AAC (Advanced Audio Coding) profile=LC codec_type=audio codec_time_base=1/22050 codec_tag_string=mp4a codec_tag=0x6134706d sample_fmt=fltp sample_rate=22050 channels=2 channel_layout=stereo bits_per_sample=0 id=N/A r_frame_rate=0/0 avg_frame_rate=0/0 time_base=1/22050 start_pts=904 start_time=0.040998 duration_ts=1323007 duration=60.000317 bit_rate=94706 max_bit_rate=128000 bits_per_raw_sample=N/A nb_frames=1292 nb_read_frames=N/A nb_read_packets=N/A DISPOSITION:default=1 DISPOSITION:dub=0 DISPOSITION:original=0 DISPOSITION:comment=0 DISPOSITION:lyrics=0 DISPOSITION:karaoke=0 DISPOSITION:forced=0 DISPOSITION:hearing_impaired=0 DISPOSITION:visual_impaired=0 DISPOSITION:clean_effects=0 DISPOSITION:attached_pic=0 TAG:language=eng TAG:handler_name=SoundHandler [/STREAM] |
