update audio clip

src/iflytop/components/audio/audio_clip.cpp

@@ -66,8 +66,7 @@ string AudioClip::toString() {
   char   buf[64] = {0};
   strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", &tm);
 
-  string str = fmt::format("audio:{} c-{} r-{} f-{} {}:{}", buf, m_ch, m_rate, AudioFormatToStr(m_format),
-                           (void *)m_voice, m_voicebufsize);
+  string str = fmt::format("audio:{} c-{} r-{} f-{} {}:{}", buf, m_ch, m_rate, AudioFormatToStr(m_format), (void *)m_voice, m_voicebufsize);
   return str;
 }
 
@@ -84,3 +83,9 @@ void AudioClip::getOneCHVoice(vector<uint8_t> &voice, size_t ch) {
     memcpy(&voice[i * oneframebytes], &m_voice[i * m_ch * oneframebytes + ch * oneframebytes], oneframebytes);
   }
 }
+
+shared_ptr<AudioClip> AudioClip::getOneCHVoice(size_t ch) {
+  vector<uint8_t> voice;
+  getOneCHVoice(voice, ch);
+  return make_shared<AudioClip>(voice.data(), voice.size(), 1, m_rate, m_format);
+}

src/iflytop/components/audio/audio_clip.hpp

@@ -14,8 +14,8 @@
 #include <string>
 #include <vector>
 
-#include "iflytop/core/core.hpp"
 #include "audio_format.hpp"
+#include "iflytop/core/core.hpp"
 
 /**
  * @brief
@@ -39,8 +39,8 @@ class AudioClip : public enable_shared_from_this<AudioClip> {
   size_t      m_audio_duration_ms = 0;        // 音频时长
   uint32_t    m_number_of_samples = 0;        // 采样点数
 
-  tp_sys m_human_readable_tp = {};  // 人类可读的时间戳，可能由于时间服务器的原因，会发生突变
-  tp_steady m_tp             = {};  // 系统时间戳
+  tp_sys    m_human_readable_tp = {};  // 人类可读的时间戳，可能由于时间服务器的原因，会发生突变
+  tp_steady m_tp                = {};  // 系统时间戳
 
   mutex            m_mutex;
   map<string, Any> m_context;
@@ -58,7 +58,8 @@ class AudioClip : public enable_shared_from_this<AudioClip> {
   tp_steady   getTp();
   uint32_t    getBitsPerSample();
 
-  void getOneCHVoice(vector<uint8_t> &voice, size_t ch);
+  void                  getOneCHVoice(vector<uint8_t> &voice, size_t ch);
+  shared_ptr<AudioClip> getOneCHVoice(size_t ch);
 
   uint8_t *data();
   size_t   size();