Move Qt recording buffers to background preparation without copies

tools/chatgui/src/audiorecorder.cpp

@@ -1,4 +1,5 @@
 #include "audiorecorder.h"
+#include "media_async/attachment_send.h"
 #include "miniaudio.h"
 #include "sound_manager.h"
 
@@ -163,8 +164,6 @@ void AudioRecorder::stopRecording() {
     }
     m_recording = false;
 
-    if (m_compressor && m_compressorEnabled) audio_compressor_flush(m_compressor);
-
     int duration = m_elapsedMs;
     size_t bufSize = (m_compressor && m_compressorEnabled) ? audio_compressor_output_size(m_compressor) : m_pcmBuffer.size();
     DEBUG_INFO(DEBUG_CATEGORY_DEBUG, "recording stopped, duration=%dms, pcmSamples=%zu, compressor=%d",
@@ -177,6 +176,22 @@ int AudioRecorder::durationMs() const {
     return m_elapsedMs;
 }
 
+/* Worker получает владельца буфера; новая запись имеет отдельное состояние. */
+bool AudioRecorder::takeRecording(struct attachment_send_req* request) {
+    if (!request || m_recording) { DEBUG_ERROR(DEBUG_CATEGORY_MEDIA, "recorder: cannot detach active recording"); return false; }
+    if (m_compressor && m_compressorEnabled) {
+        auto* replacement = audio_compressor_clone_config(m_compressor);
+        if (!replacement) return false;
+        request->compressor = m_compressor;
+        m_compressor = replacement;
+    } else {
+        auto* samples = new std::vector<int16_t>(std::move(m_pcmBuffer));
+        request->pcm = samples->data(); request->pcm_count = samples->size(); request->pcm_owner = samples;
+        request->pcm_release = [](void* owner) { delete static_cast<std::vector<int16_t>*>(owner); };
+    }
+    return true;
+}
+
 float AudioRecorder::peakLevel() const {
     float v = m_peakLevel;
     m_peakLevel = 0.0f;

tools/chatgui/src/audiorecorder.h

@@ -8,6 +8,7 @@
 
 struct ma_device;
 struct audio_compressor;
+struct attachment_send_req;
 
 class AudioRecorder : public QObject {
     Q_OBJECT
@@ -32,6 +33,7 @@ public:
     size_t bufferSize() const;
     const std::vector<float>& waveformLevels() const { return m_waveformLevels; }
     int durationMs() const;
+    bool takeRecording(struct attachment_send_req* request); /* Передать остановленную запись без копии PCM. */
 
     struct audio_compressor* compressor() const { return m_compressor; }
     void setCompressorEnabled(bool enabled);