#import"HEFFmpegTools.h"#import"ffmpeg.h"@implementationHEFFmpegTools///执行ffmpeg指令," "为分割标记符+(void)runCmd:(NSString*)commandStrcompletionBlock:(void(^)(intresult))completionBlock{dispatch_async(dispatch_get_global_queue(0,0),^{// 根据 " " 将指令分割为指令数组NSArray*argv_...
使用ffmpeg压制H.264视频 ffmpeg -threads 4 -i INPUT -r 29.97 -vcodec libx264 -s 480x272 -flags +loop -cmp chroma -deblockalpha 0 -deblockbeta 0 -crf 24 -bt 256k -refs 1 -coder 0 -me umh -me_range 16 -subq 5 -partitions parti4x4+parti8x8+partp8x8 -g 250 -keyint_min 25 -...
- 配置参数: --enable-gpl --enable-version3 --enable-shared --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-bzlib --enable-lzma --enable-libsnappy --enable-zlib --enable-librist --enable-libsrt --ena...
首先一点一点说: 这个command的命令是一点点完善的,获取rtmp流,然后转化成rtsp流,中间threads 2 -vcodec libx264 -max_muxing_queue_size 9999 -s 320x240这一排的参数,都是一点点在百度找到的。如果不加libx264编码,前端拉倒流无法解析。不弱不加容量9999,会转流一会儿自动失败,失败原因管道破裂。如果不加thr...
overlay_outputs, .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS, ...
Decoder h264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10: General capabilities: dr1 delay threads Threading capabilities: frame and slice H264 Decoder AVOptions: -enable_er <boolean> .D.V... Enable error resilience on damaged frames (unsafe) (default auto) -x264_build <int> .D.V...
ffmpeg -threads 4 -i INPUT -r 29.97 -vcodec libx264 -s 480x272 -flags +loop -cmp +chroma -deblockalpha 0 -deblockbeta 0 -crf 24 -bt 256k -refs 1 -coder 0 -me umh -me_range 16 -subq 5 -partitions +parti4x4+parti8x8+partp8x8 -g 250 -keyint_min 25 -level 30 -qmin 10 ...
(self): command_out = ['D:/ffmpeg/bin/ffmpeg.exe', '-y', # 覆盖输出文件不询问 '-f', 'rawvideo', # 输入格式 '-vcodec', 'rawvideo', '-pix_fmt', 'bgr24', # 和后面那个加起来的意思是解码颜色再编码 '-s', str(self.width) + '*' + str(self.height), # 设置图像大小 '-r...
-filter_threads number of non-complex filter threads -filter_complex_threads number of threads for -filter_complex -stats print progress report during encoding -max_error_rate maximum error rate ratio of errors (0.0: no errors, 1.0: 100% errors) above which ffmpeg returns an error instead of...
$ffmpeg=FFMpeg\FFMpeg::create(array('ffmpeg.binaries'=>'/usr/local/ffmpeg/bin/ffmpeg', //这个地方就是上面安装ffmpeg的目录'ffprobe.binaries'=>'/usr/local/ffmpeg/bin/ffprobe','timeout'=>3600,// The timeout for the underlying process'ffmpeg.threads'=>12,// The number of threads that FFMpe...