You should have received a copy of the GNU General Public License
along with libdcp. If not, see <http://www.gnu.org/licenses/>.
+
+ In addition, as a special exception, the copyright holders give
+ permission to link the code of portions of this program with the
+ OpenSSL library under certain conditions as described in each
+ individual source file, and distribute linked combinations
+ including the two.
+
+ You must obey the GNU General Public License in all respects
+ for all of the code used other than OpenSSL. If you modify
+ file(s) with this exception, you may extend this exception to your
+ version of the file(s), but you are not obligated to do so. If you
+ do not wish to do so, delete this exception statement from your
+ version. If you delete this exception statement from all source
+ files in the program, then also delete it here.
*/
#include "sound_asset_writer.h"
#include "exceptions.h"
#include "dcp_assert.h"
#include "compose.hpp"
-#include "AS_DCP.h"
+#include <asdcp/AS_DCP.h>
using std::min;
using std::max;
_started = true;
}
+ int const ch = _sound_asset->channels ();
+
for (int i = 0; i < frames; ++i) {
byte_t* out = _state->frame_buffer.Data() + _frame_buffer_offset;
/* Write one sample per channel */
- for (int j = 0; j < _sound_asset->channels(); ++j) {
+ for (int j = 0; j < ch; ++j) {
/* Convert sample to 24-bit int, clipping if necessary. */
- int32_t const s = min (clip, max (-clip, data[j][i])) * (1 << 23);
+ float x = data[j][i];
+ if (x > clip) {
+ x = clip;
+ } else if (x < -clip) {
+ x = -clip;
+ }
+ int32_t const s = x * (1 << 23);
*out++ = (s & 0xff);
*out++ = (s & 0xff00) >> 8;
*out++ = (s & 0xff0000) >> 16;
}
- _frame_buffer_offset += 3 * _sound_asset->channels();
+ _frame_buffer_offset += 3 * ch;
DCP_ASSERT (_frame_buffer_offset <= int (_state->frame_buffer.Capacity()));