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authorCarl Hetherington <cth@carlh.net>2013-07-16 21:57:42 +0100
committerCarl Hetherington <cth@carlh.net>2013-07-16 21:57:42 +0100
commite16c8ed02a0cb1f733a990d75a9de1bf50cf89bd (patch)
treef6e884f103da51c8f9b76a6a76693f8389aee607 /src/lib/audio_buffers.cc
parent1f1a9f48b39b1fc8afeb62bb6fa0cde50983b60c (diff)
Some missing copy constructors / operator= / noncopyable.
Diffstat (limited to 'src/lib/audio_buffers.cc')
-rw-r--r--src/lib/audio_buffers.cc73
1 files changed, 37 insertions, 36 deletions
diff --git a/src/lib/audio_buffers.cc b/src/lib/audio_buffers.cc
index 7b3af91e0..d38730414 100644
--- a/src/lib/audio_buffers.cc
+++ b/src/lib/audio_buffers.cc
@@ -30,69 +30,70 @@ using boost::shared_ptr;
* @param frames Number of frames to reserve space for.
*/
AudioBuffers::AudioBuffers (int channels, int frames)
- : _channels (channels)
- , _frames (frames)
- , _allocated_frames (frames)
{
- _data = static_cast<float**> (malloc (_channels * sizeof (float *)));
- if (!_data) {
- throw bad_alloc ();
- }
-
- for (int i = 0; i < _channels; ++i) {
- _data[i] = static_cast<float*> (malloc (frames * sizeof (float)));
- if (!_data[i]) {
- throw bad_alloc ();
- }
- }
+ allocate (channels, frames);
}
/** Copy constructor.
* @param other Other AudioBuffers; data is copied.
*/
AudioBuffers::AudioBuffers (AudioBuffers const & other)
- : _channels (other._channels)
- , _frames (other._frames)
- , _allocated_frames (other._frames)
{
- _data = static_cast<float**> (malloc (_channels * sizeof (float *)));
- if (!_data) {
- throw bad_alloc ();
- }
-
- for (int i = 0; i < _channels; ++i) {
- _data[i] = static_cast<float*> (malloc (_frames * sizeof (float)));
- if (!_data[i]) {
- throw bad_alloc ();
- }
- memcpy (_data[i], other._data[i], _frames * sizeof (float));
- }
+ allocate (other._channels, other._frames);
+ copy_from (&other, other._frames, 0, 0);
}
/* XXX: it's a shame that this is a copy-and-paste of the above;
probably fixable with c++0x.
*/
AudioBuffers::AudioBuffers (boost::shared_ptr<const AudioBuffers> other)
- : _channels (other->_channels)
- , _frames (other->_frames)
- , _allocated_frames (other->_frames)
{
+ allocate (other->_channels, other->_frames);
+ copy_from (other.get(), other->_frames, 0, 0);
+}
+
+AudioBuffers &
+AudioBuffers::operator= (AudioBuffers const & other)
+{
+ if (this == &other) {
+ return *this;
+ }
+
+ deallocate ();
+ allocate (other._channels, other._frames);
+ copy_from (&other, other._frames, 0, 0);
+
+ return *this;
+}
+
+/** AudioBuffers destructor */
+AudioBuffers::~AudioBuffers ()
+{
+ deallocate ();
+}
+
+void
+AudioBuffers::allocate (int channels, int frames)
+{
+ _channels = channels;
+ _frames = frames;
+ _allocated_frames = frames;
+
_data = static_cast<float**> (malloc (_channels * sizeof (float *)));
if (!_data) {
throw bad_alloc ();
}
for (int i = 0; i < _channels; ++i) {
- _data[i] = static_cast<float*> (malloc (_frames * sizeof (float)));
+ _data[i] = static_cast<float*> (malloc (frames * sizeof (float)));
if (!_data[i]) {
throw bad_alloc ();
}
- memcpy (_data[i], other->_data[i], _frames * sizeof (float));
}
}
-/** AudioBuffers destructor */
-AudioBuffers::~AudioBuffers ()
+void
+AudioBuffers::deallocate ()
{
for (int i = 0; i < _channels; ++i) {
free (_data[i]);