在ffmpeg.exe所在目录,创建一个transcode_h265-to-h264.bat,填入如下内容并保存(根据实际情况修改\\nas\*.MOV,即源视频所在目录): mode con cols=100 lines=3 for %%a in ("\\nas\*.MOV") do "ffmpeg.exe" -vsync 0 -hwaccel cuvid -hwaccel_output_format cuda -c:v hevc_cuvid -noautorotate -...
这里生成的流输出字符串:":sout=#transcode{vcodec=h264,scale=auto,acodec=mpga,ab=128,channels=2,samplerate=44100}:http{mux=ffmpeg{mux=flv},dst=:8080/}:sout-备存“ 因此,当尝试在同一个vlc项目中的来宾操作系统上打开url主机时(也尝试在中进行公开广播,没有结果),就没有广播它有点冻结,一些请求发...
cv::Mat outMat = ffv.H265FrameToCVMat(pstPack[i].pu8Addr, pstPack[i].u32Len); if ...
while retaining the same visual quality. Thus if your hardware is available for H265 files, it's a nice option totranscode H264 to H265since you can not only save storage space of your devices, but also enjoy the equal quality of H264 videos. Moreover, HEVC playback ...
2、提示"H.264 bitstream malformed, no startcode found, use the video bitstream filter 'h264_mp4...
./sample_multi_transcode -i::h264 ../content/test_stream.264 -o::h265 out.h265 -hw -la 1 如果出现问题: Multi Transcoding Sample Version7.0.16053497libva info: VA-API version0.99.0libva info: va_getDriverName() returns0libva info: User requested driver'iHD'libva info: Trying to open...
二、添加h264、h265、AAC解码头信息 解码头信息是保存在解码器上下文(AVCodecContext)的extradata中,这些信息包含h264的SPS、PPS头信息,AAC的adts头信息,h265的VPS、SPS、PPS,我们需要使用比特流过滤器(AVBitStreamFilter)来为每一种格式添加相应的头部信息,这样才能在解码器中正常进行解码。以下为添加解码头信息的相...
当输入音频帧尺寸能被音频编码器接受时，使用 transcode_audio() 函数；否则，引入音频 FIFO，使每次从 ...
c++使用ffmpeg把h264/h265和mp3写入mp4文件,内含ffmpeg库、示例demo、视频素材。 代码片段和文件信息 /* * Copyright (c) 2014 Lukasz Marek * * Permission is hereby granted free of charge to any person obtaining a copy * of this software and associated documentation files (the “Software“) to ...
Sample decode using CUVID, the cuvid decoder copies the frames to system memory in this case: 1 ffmpeg -c:v h264_cuvid -i input output.mkv Full hardware transcode with CUVID and NVENC: 1 ffmpeg -hwaccel cuvid -c:v h264_cuvid -i input -c:v h264_nvenc -preset slow output.mkv Pa...