fix audio issue related to 16 vs 8 channels

CasparCG · Dec 6, 2024 · 5497cf1 · 5497cf1
1 parent 46bf2f3
commit 5497cf1
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/src/modules/ffmpeg/util/audio_resampler.cpp b/src/modules/ffmpeg/util/audio_resampler.cpp
@@ -11,10 +11,11 @@ namespace caspar::ffmpeg {
 AudioResampler::AudioResampler(int sample_rate, AVSampleFormat in_sample_fmt)
 {
     AVChannelLayout channel_layout = AV_CHANNEL_LAYOUT_7POINT1;
-
+    AVChannelLayout channel_layout_out = AV_CHANNEL_LAYOUT_HEXADECAGONAL;
+
     SwrContext* raw_ctx = nullptr;
     FF(swr_alloc_set_opts2(&raw_ctx,
-                           &channel_layout,
+                           &channel_layout_out,
                            AV_SAMPLE_FMT_S32,
                            sample_rate,
                            &channel_layout,
@@ -30,7 +31,7 @@ AudioResampler::AudioResampler(int sample_rate, AVSampleFormat in_sample_fmt)
 
 caspar::array<int32_t> AudioResampler::convert(int frames, const void** src)
 {
-    auto result = caspar::array<int32_t>(frames * 8 * sizeof(int32_t));
+    auto result = caspar::array<int32_t>(frames * 16 * sizeof(int32_t));
     auto ptr    = result.data();
     swr_convert(ctx.get(), (uint8_t**)&ptr, frames, reinterpret_cast<const uint8_t**>(src), frames);