#include <limits>
#include <utility>
-#include "db.h"
+#include "decibel.h"
#include "flags.h"
-#include "metrics.h"
+#include "shared/metrics.h"
#include "state.pb.h"
-#include "timebase.h"
+#include "shared/timebase.h"
using namespace bmusb;
using namespace std;
uint32_t s1 = src[0];
uint32_t s2 = src[1];
uint32_t s3 = src[2];
- uint32_t s = s1 | (s1 << 8) | (s2 << 16) | (s3 << 24);
- *dst = int(s) * (1.0f / 2147483648.0f);
+ uint32_t s = (s1 << 8) | (s2 << 16) | (s3 << 24); // Note: The bottom eight bits are zero; s3 includes the sign bit.
+ *dst = int(s) * (1.0f / (256.0f * 8388608.0f)); // 256 for signed down-shift by 8, then 2^23 for the actual conversion.
src += 3 * in_num_channels;
dst += out_num_channels;
}
}
-bool AudioMixer::add_audio(DeviceSpec device_spec, const uint8_t *data, unsigned num_samples, AudioFormat audio_format, int64_t frame_length, steady_clock::time_point frame_time)
+bool AudioMixer::add_audio(DeviceSpec device_spec, const uint8_t *data, unsigned num_samples, AudioFormat audio_format, steady_clock::time_point frame_time)
{
AudioDevice *device = find_audio_device(device_spec);
return true;
}
-bool AudioMixer::add_silence(DeviceSpec device_spec, unsigned samples_per_frame, unsigned num_frames, int64_t frame_length)
+bool AudioMixer::add_silence(DeviceSpec device_spec, unsigned samples_per_frame, unsigned num_frames)
{
AudioDevice *device = find_audio_device(device_spec);