Accumulate audio frames

Namaneo · Sep 12, 2023 · ff936b7 · ff936b7
1 parent ed734cd
commit ff936b7
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Showing 3 changed files with 20 additions and 4 deletions.
diff --git a/app/sources/junie.c b/app/sources/junie.c
@@ -282,11 +282,22 @@ static size_t audio_sample_batch(const int16_t *data, size_t frames)
 	if (!CTX.audio.enable)
 		return frames;
 
-	CTX.audio.data = data;
+	size_t new_size = (CTX.audio.frames + frames) * 2 * sizeof(int16_t);
+	if (new_size > CTX.audio.size) {
+		CTX.audio.data = realloc((void *) CTX.audio.data, new_size);
+		CTX.audio.size = new_size;
+	}
+
+	const int16_t *current = &CTX.audio.data[CTX.audio.frames * 2];
+	memcpy((void *) current, (void *) data, frames * 2 * sizeof(int16_t));
+
+	CTX.audio.frames += frames;
 	CTX.audio.rate = CTX.av.timing.sample_rate * CTX.speed;
-	CTX.audio.frames = frames;
 
-	JunieInteropAudio(&CTX.audio);
+	if (CTX.audio.frames >= CTX.audio.rate / 100) {
+		JunieInteropAudio(&CTX.audio);
+		CTX.audio.frames = 0;
+	}
 
 	return frames;
 }

diff --git a/app/sources/junie.h b/app/sources/junie.h
@@ -69,6 +69,7 @@ typedef struct {
 	const int16_t *data;
 	float rate;
 	size_t frames;
+	size_t size;
 	bool enable;
 } JunieAudio;
 

diff --git a/ui/sources/entities/audio.js b/ui/sources/entities/audio.js
@@ -8,6 +8,9 @@ export class Audio {
 	/** @type {number} */
 	frames;
 
+	/** @type {number} */
+	size;
+
 	/** @type {boolean} */
 	enable;
 
@@ -23,7 +26,8 @@ export class Audio {
 			data:   view.getUint32(0, true),
 			rate:   view.getFloat32(4, true),
 			frames: view.getUint32(8, true),
-			enable: view.getUint32(12, true),
+			size:   view.getUint32(12, true),
+			enable: view.getUint32(16, true),
 		}
 	}
 }