-r rate set frame rate (Hz value, fraction or abbreviation)设置帧率,单位Hz -s size set frame size (WxH or abbreviation)设置帧的大小 -aspect aspect set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)设置视频画面的宽高比 -bits_per_raw_sample number set the number of bits per raw sample设...
-vframes number set the number of video frames to output -r rate set frame rate (Hz value, fraction or abbreviation) -s size set frame size (WxH or abbreviation) -aspect aspect set aspect ratio (4:3, 16:9 or 1.3333, 1.7777) -bits_per_raw_sample number set the number of bits per ...
-fpsmax rate set max frame rate (Hz value, fraction or abbreviation) -s size set frame size (WxH or abbreviation) -aspect aspect set aspect ratio (4:3, 16:9 or 1.3333, 1.7777) -display_rotation angle set pure counter-clockwise rotation in degrees for stream(s) -display_hflip set disp...
* - decoding: may be set by some decoders to indicate constant frame size */intframe_size; 根据2,尝试设置 AV_CODEC_CAP_VARIABLE_FRAME_SIZE ,设置方式如下: audioCodec->capabilities =AV_CODEC_CAP_VARIABLE_FRAME_SIZE; 问题解决 3、解决方法 方法一: 设置 编码器 capabilities 属性 为 AV_CODEC_C...
Subtitle options:-s sizesetframesize(WxH or abbreviation)-sn disable subtitle-scodec codec force subtitlecodec('copy'to copy stream)-stag fourcc/tag force subtitle tag/fourcc-fix_sub_duration fix subtitles duration-canvas_size sizesetcanvassize(WxH or abbreviation)-spre presetsetthe subtitle options...
-r rate set frame rate (Hz value, fraction or abbreviation) -s size set frame size (WxH or abbreviation) -aspect aspect set aspect ratio (4:3, 16:9 or 1.3333, 1.7777) -bits_per_raw_sample number set the number of bits per raw sample ...
SimpleFrame extends JFrame { privatestaticfinalintDEFAULT_WIDTH=300; privatestaticfinalintDEFAULT_HEIGHTH=200; publicSimpleFrame() { setSize(DEFAULT_WIDTH,DEFAULT_HEIGHTH); } } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13.
* contains the total size of the buffer for all channels. * * Note: Both data and extended_data should always be set in a valid frame, * but for planar audio with more channels that can fit in data, * extended_data must be used in order to access all channels. ...
ffmpeg中copy 参数表示不对源媒体进行转码，保留原始编码方式 m4a是音频封装（BOX），能封装mp3/aac编码...
ffmpeg中copy 参数表示不对源媒体进行转码，保留原始编码方式 m4a是音频封装（BOX），能封装mp3/aac编码...