struct snd_pcm_hw_params定义在include/uapi/sound/asound.h,是用于配置音频硬件参数的结构体,比如通道数、采样率、数据格式等; structsnd_pcm_hw_params { unsignedintflags;structsnd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK -SNDRV_PCM_HW_PARAM_FIRST_MASK+1];structsnd_mask mres[5];/*reserved mask...
privatestaticfinalint AUDIO_FORMAT = AudioFormat.ENCODING_PCM_16BIT; finalint minBufferSize = AudioRecord.getMinBufferSize(SAMPLE_RATE_INHZ, CHANNEL_CONFIG, AUDIO_FORMAT); audioRecord =new AudioRecord(MediaRecorder.AudioSource.MIC, SAMPLE_RATE_INHZ, CHANNEL_CONFIG, AUDIO_FORMAT, minBufferSize); ...
#define QUANT_MASK (0xf) /* Quantization field mask. */ #define NSEGS (8) /* Number of A-law segments. */ #define SEG_SHIFT (4) /* Left shift for segment number. */ #define SEG_MASK (0x70) /* Segment field mask. */ #define BIAS (0x84) /* Bias for linear code. */ in...
privatestaticfinalint AUDIO_FORMAT = AudioFormat.ENCODING_PCM_16BIT; finalint minBufferSize = AudioRecord.getMinBufferSize(SAMPLE_RATE_INHZ, CHANNEL_CONFIG, AUDIO_FORMAT); audioRecord =new AudioRecord(MediaRecorder.AudioSource.MIC, SAMPLE_RATE_INHZ, CHANNEL_CONFIG, AUDIO_FORMAT, minBufferSize); ...
First, snd_pcm_hw_params_get_period_size should be called after set hw params finish. Second,memory leak can cause when the format is IMA ADPCM. xree(decoded_data) should be called. ghostassignedawakecodingJun 17, 2013 bmiklautzremoved this from the1.1milestoneMay 25, 2016 ...
struct pcm_params *params; struct pcm_mask *m; unsigned int min; unsigned int max;printf("\nPCM %s:\n", i == 0 ? "out" : "in");params = pcm_params_get(card, device, i == 0 ? PCM_OUT : PCM_IN); if (params == NULL) { printf("Device does not exist.\n"); ...
将有效负载数据复制到一个足够容纳您的容器的aray中，只需添加一些内容即可。因此，在互联网上搜索了我的解决方案后，我将一些代码片段放到了适当的位置
override fun doInBackground(vararg params: Unit) { // 开始录音 audioRecord.startRecording() // 通过io流,把录制的音频内容保存到文件中 val dataInputStream = DataOutputStream(BufferedOutputStream(FileOutputStream(filePath))) // 16位需要使用short来保存 if (ENCODER == AudioFormat.ENCODING_PCM_16...
static public int getMinBufferSize(int sampleRateInHz, int channelConfig, int audioFormat) AudioRecord录制 已经创建好了AudioRecord,接下来可以开始录制了,千万不要忘记权限的申请。 innerclassRecordTask:AsyncTask<Unit,Unit,Unit>(){...overridefundoInBackground(varargparams:Unit){// 开始录音audioRecord....
// 音频数据的大小longtotalAudioLen=fileInputStream.getChannel().size();// wav总区块大小longtotalDataLen=totalAudioLen+36;// 声道数量intchannels;// 采样率longlongSampleRate;// 位元率longbyteRate=16*longSampleRate*channels/8;byte[]header=newbyte[44];// RIFF/WAVE headerheader[0]='R';header...