basics: Change sampleFrame to use std::array

... in order to make standard containers be able to store it.

Author: Reflexe

include/lmms_basics.h

@@ -32,9 +32,9 @@
 
 #ifdef LMMS_HAVE_STDINT_H
 #include <cstdint>
+#include <array>
 #endif
 
-
 typedef int32_t bar_t;
 typedef int32_t tick_t;
 typedef uint8_t volume_t;
@@ -127,12 +127,10 @@ const ch_cnt_t SURROUND_CHANNELS =
 
 
 
-typedef sample_t sampleFrame[DEFAULT_CHANNELS];
-typedef sample_t surroundSampleFrame[SURROUND_CHANNELS];
+typedef std::array<sample_t, DEFAULT_CHANNELS> sampleFrame;
+
+typedef std::array<sample_t, SURROUND_CHANNELS> surroundSampleFrame;
 #define ALIGN_SIZE 16
-#if __GNUC__
-typedef sample_t sampleFrameA[DEFAULT_CHANNELS] __attribute__((__aligned__(ALIGN_SIZE)));
-#endif
 
 
 #define STRINGIFY(s) STR(s)

src/core/Effect.cpp

@@ -203,8 +203,8 @@ void Effect::resample( int _i, const sampleFrame * _src_buf,
 	}
 	m_srcData[_i].input_frames = _frames;
 	m_srcData[_i].output_frames = Engine::mixer()->framesPerPeriod();
-	m_srcData[_i].data_in = (float *) _src_buf[0];
-	m_srcData[_i].data_out = _dst_buf[0];
+	m_srcData[_i].data_in = (float *) _src_buf[0].data ();
+	m_srcData[_i].data_out = _dst_buf[0].data ();
 	m_srcData[_i].src_ratio = (double) _dst_sr / _src_sr;
 	m_srcData[_i].end_of_input = 0;
 	int error;

src/core/SampleBuffer.cpp

@@ -694,8 +694,8 @@ bool SampleBuffer::play( sampleFrame * _ab, handleState * _state,
 		// Generate output
 		src_data.data_in =
 			getSampleFragment( play_frame, fragment_size, _loopmode, &tmp, &is_backwards,
-			loopStartFrame, loopEndFrame, endFrame )[0];
-		src_data.data_out = _ab[0];
+			loopStartFrame, loopEndFrame, endFrame )->data ();
+		src_data.data_out = _ab->data ();
 		src_data.input_frames = fragment_size;
 		src_data.output_frames = _frames;
 		src_data.src_ratio = 1.0 / freq_factor;
@@ -1197,9 +1197,9 @@ SampleBuffer * SampleBuffer::resample( const sample_rate_t _src_sr,
 	{
 		SRC_DATA src_data;
 		src_data.end_of_input = 1;
-		src_data.data_in = data[0];
-		src_data.data_out = dst_buf[0];
-		src_data.input_frames = frames;
+		src_data.data_in = data->data ();
+		src_data.data_out = dst_buf->data (); // @recording => !!!
+		src_data.input_frames = frames; // @recording => !!!
 		src_data.output_frames = dst_frames;
 		src_data.src_ratio = (double) _dst_sr / _src_sr;
 		if( ( error = src_process( state, &src_data ) ) )

src/core/audio/AudioDevice.cpp

@@ -196,8 +196,8 @@ void AudioDevice::resample( const surroundSampleFrame * _src,
 	}
 	m_srcData.input_frames = _frames;
 	m_srcData.output_frames = _frames;
-	m_srcData.data_in = (float *) _src[0];
-	m_srcData.data_out = _dst[0];
+	m_srcData.data_in = (float *) _src[0].data ();
+	m_srcData.data_out = _dst[0].data ();
 	m_srcData.src_ratio = (double) _dst_sr / _src_sr;
 	m_srcData.end_of_input = 0;
 	int error;