aaudio: test 24 and 32 bit formats
Modify write sine tests.
Bug: 75038760
Test: adb shell write_sine_callback -f3
Test: adb shell write_sine_callback -f4
Change-Id: I61eccbffbf898e50ee241e135d21acebb6a63524
diff --git a/media/libaaudio/examples/utils/AAudioExampleUtils.h b/media/libaaudio/examples/utils/AAudioExampleUtils.h
index 46b8895..5819dfd 100644
--- a/media/libaaudio/examples/utils/AAudioExampleUtils.h
+++ b/media/libaaudio/examples/utils/AAudioExampleUtils.h
@@ -32,6 +32,7 @@
#define NANOS_PER_MILLISECOND (NANOS_PER_MICROSECOND * 1000)
#define NANOS_PER_SECOND (NANOS_PER_MILLISECOND * 1000)
+// Use template functions to avoid warning of unused static functions.
template <class T = aaudio_sharing_mode_t>
const char *getSharingModeText(aaudio_sharing_mode_t mode) {
const char *text = "unknown";
@@ -48,6 +49,7 @@
return text;
}
+template <class T = aaudio_performance_mode_t>
const char *getPerformanceModeText(aaudio_performance_mode_t mode) {
const char *text = "unknown";
switch (mode) {
@@ -66,6 +68,7 @@
return text;
}
+template <class T = aaudio_direction_t>
const char *getDirectionText(aaudio_direction_t direction) {
const char *text = "unknown";
switch (direction) {
@@ -81,6 +84,29 @@
return text;
}
+template <class T = aaudio_direction_t>
+constexpr int32_t getBytesPerSample(aaudio_format_t format) {
+ switch (format) {
+ case AAUDIO_FORMAT_PCM_I16:
+ return 2;
+ case AAUDIO_FORMAT_PCM_FLOAT:
+ return 4;
+ case AAUDIO_FORMAT_PCM_I24_PACKED:
+ return 3;
+ case AAUDIO_FORMAT_PCM_I32:
+ return 4;
+ default:
+ return -1;
+ }
+}
+
+// Return true if CPU is native Little Endian
+inline bool isNativeLittleEndian() {
+ // If the first byte of the data word in memory is 1 then Little Endian.
+ constexpr union { unsigned u; unsigned char c[sizeof(unsigned)]; } one = {1};
+ return one.c[0] != 0;
+}
+
template <class T = int64_t>
void convertNanosecondsToTimespec(int64_t nanoseconds, struct timespec *time) {
time->tv_sec = nanoseconds / NANOS_PER_SECOND;