ENDK1 ENDK1
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这个问题困扰我很久,每次压制都丢失前两帧 直接上图通过视频软件检测到的,原视频和压制后的视频对比,后者总是丢帧,然后附上两者MediaInfo: 原视频: 5I4A0280.MOV 容器:MPEG-4 总码率:81.7 Mbps 大小:24.2 MiB 时长:2s 480ms 视频(1):AVC 码率:79.9 Mbps 大小:23.6 MiB (98%) 分辨率:1920x1080 宽高比:16:9(1.778) 帧率:25.000 fps 位深度:8 bits 像素宽高比:1.000 编码库: Profile:[email protected] 编码时间:UTC 2015-05-28 08:56:18 总帧数:62 音频(2):PCM 大小:465 KiB (2%) 码率:1 536 Kbps 采样率:48.0 KHz 声道数:2 ====详细信息==== ID : 1 Format : AVC Format/Info : Advanced Video Codec Format profile : [email protected] Format settings, CABAC : No Format settings, ReFrames : 1 frame Format settings, GOP : N=1 Codec ID : avc1 Codec ID/Info : Advanced Video Coding Duration : 2s 480ms Bit rate mode : Variable Bit rate : 79.9 Mbps Width : 1 920 pixels Height : 1 080 pixels Display aspect ratio : 16:9 Frame rate mode : Constant Frame rate : 25.000 fps Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Scan type : Progressive Bits/(Pixel*Frame) : 1.541 Stream size : 23.6 MiB (98%) Language : English Encoded date : UTC 2015-05-28 08:56:18 Tagged date : UTC 2015-05-28 08:56:18 Color primaries : BT.709 Transfer characteristics : BT.709 Matrix coefficients : BT.709 ID : 2 Format : PCM Format settings, Endianness : Little Format settings, Sign : Signed Codec ID : sowt Duration : 2s 480ms Bit rate mode : Constant Bit rate : 1 536 Kbps Channel(s) : 2 channels Channel positions : Front: L R Sampling rate : 48.0 KHz Bit depth : 16 bits Stream size : 465 KiB (2%) Language : English Encoded date : UTC 2015-05-28 08:56:18 Tagged date : UTC 2015-05-28 08:56:18 压制后的视频: 5I4A0280_x264.mp4 容器:MPEG-4 总码率:3 212 Kbps 大小:973 KiB 时长:2s 480ms 视频(1):AVC 码率:3 207 Kbps 大小:971 KiB (100%) 分辨率:1920x1080 宽高比:16:9(1.778) 帧率:25.000 fps 位深度:8 bits 像素宽高比:1.000 编码库:x264 - core 144 r2525+52 a9a0b2b xiaowan [8-bit@all X86_64] Profile:[email protected] 编码时间:UTC 2015-08-27 09:42:08 总帧数:62 音频(): 大小: 码率: 采样率: 声道数: ====详细信息==== ID : 1 Format : AVC Format/Info : Advanced Video Codec Format profile : [email protected] Format settings, CABAC : Yes Format settings, ReFrames : 4 frames Codec ID : avc1 Codec ID/Info : Advanced Video Coding Duration : 2s 480ms Bit rate : 3 207 Kbps Maximum bit rate : 4 613 Kbps Width : 1 920 pixels Height : 1 080 pixels Display aspect ratio : 16:9 Frame rate mode : Constant Frame rate : 25.000 fps Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Scan type : Progressive Bits/(Pixel*Frame) : 0.062 Stream size : 971 KiB (100%) Writing library : x264 core 144 r2525+52 a9a0b2b xiaowan [8-bit@all X86_64] Encoding settings : cabac=1 / ref=4 / deblock=1:1:1 / analyse=0x3:0x133 / me=umh / subme=10 / psy=1 / fade_compensate=0.00 / psy_rd=0.30:0.00 / mixed_ref=1 / me_range=24 / chroma_me=1 / trellis=2 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=12 / lookahead_threads=1 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / fgo=0 / bframes=3 / b_pyramid=2 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=0 / weightp=2 / keyint=250 / keyint_min=1 / scenecut=60 / intra_refresh=0 / rc_lookahead=60 / rc=crf / mbtree=1 / crf=24.0000 / qcomp=0.50 / qpmin=0:0:0 / qpmax=69:69:69 / qpstep=4 / ip_ratio=1.40 / aq=2:0.80 / aq-sensitivity=10.00 / aq-factor=1.00:1.00:1.00 / aq2=0 / aq3=0 Encoded date : UTC 2015-08-27 09:42:08 Tagged date : UTC 2015-08-27 09:42:25 Matrix coefficients : BT.709 有没有跟我一样问题的人?你们解决了吗?
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