ffprobe读取音视频元数据信息，json格式输出

ffprobe读取音视频元数据信息，json格式输出

命令格式:

ffprobe -v quiet -show_format -show_streams -print_format json F:\temp\test1566606924822.wav

输出

{ "streams": [ { "index": 0, "codec_name": "pcm_s16le", "codec_long_name": "PCM signed 16-bit little-endian", "codec_type": "audio", "codec_time_base": "1/8000", "codec_tag_string": "[1][0][0][0]", "codec_tag": "0x0001", "sample_fmt": "s16", "sample_rate": "8000", "channels": 1, "bits_per_sample": 16, "r_frame_rate": "0/0", "avg_frame_rate": "0/0", "time_base": "1/8000", "duration_ts": 1710489, "duration": "213.811125", "bit_rate": "128000", "disposition": { "default": 0, "dub": 0, "original": 0, "comment": 0, "lyrics": 0, "karaoke": 0, "forced": 0, "hearing_impaired": 0, "visual_impaired": 0, "clean_effects": 0, "attached_pic": 0, "timed_thumbnails": 0 } } ], "format": { "filename": "F:\\temp\\test1566606924822.wav", "nb_streams": 1, "nb_programs": 0, "format_name": "wav", "format_long_name": "WAV / WAVE (Waveform Audio)", "duration": "213.811125", "size": "3421022", "bit_rate": "128001", "probe_score": 99 }}

其他用法：

1.ts如果是音频，改 -select_streams a如果要选择音轨，可以这样 -select_streams a:0./ffprobe -select_streams a:0 -show_packets -of json 1.ts

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