-
- for (int i = 0; i < sound_frame->size(); i += (3 * sound_asset->asset()->channels())) {
-
- if (sound_asset->asset()->channels() > 0) {
- /* L should be silent */
- int const sample = d[i + 0] | (d[i + 1] << 8);
- BOOST_CHECK_EQUAL (sample, 0);
- }
-
- if (sound_asset->asset()->channels() > 1) {
- /* R should be silent */
- int const sample = d[i + 2] | (d[i + 3] << 8);
- BOOST_CHECK_EQUAL (sample, 0);
- }
-
- if (sound_asset->asset()->channels() > 2) {
- /* Mono input so it will appear on centre */
- int const sample = d[i + 7] | (d[i + 8] << 8);
- BOOST_CHECK_EQUAL (sample, n);
- }
-
- if (sound_asset->asset()->channels() > 3) {
- /* Lfe should be silent */
- int const sample = d[i + 9] | (d[i + 10] << 8);
- BOOST_CHECK_EQUAL (sample, 0);
+ for (int offset = 0; offset < sound_frame->size(); offset += (3 * sound_asset->asset()->channels())) {
+ for (auto channel = 0; channel < audio_channels; ++channel) {
+ auto const sample = d[offset + channel * 3 + 1] | (d[offset + channel * 3 + 2] << 8);
+ if (channel == 2) {
+ /* Input should be on centre */
+ BOOST_CHECK_EQUAL(sample, n);
+ } else {
+ /* Everything else should be silent */
+ BOOST_CHECK_EQUAL(sample, 0);
+ }