diff options
Diffstat (limited to 'src/audiofile.cc')
| -rw-r--r-- | src/audiofile.cc | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/audiofile.cc b/src/audiofile.cc index b8b4ef9..a556bca 100644 --- a/src/audiofile.cc +++ b/src/audiofile.cc @@ -63,6 +63,7 @@ void AudioFile::unload() size = 0; } +#define THRESHOLD 0.0001 void AudioFile::load() { if(data) return; @@ -71,15 +72,24 @@ void AudioFile::load() SNDFILE *fh = sf_open(filename.c_str(), SFM_READ, &sf_info); size = sf_seek(fh, 0, SEEK_END); - data = (jack_default_audio_sample_t*)malloc(sizeof(jack_default_audio_sample_t)*size); + jack_default_audio_sample_t* tmp_data = (jack_default_audio_sample_t*)malloc(sizeof(jack_default_audio_sample_t)*size); // printf("Loading %s, %d samples\n", filename.c_str(), size); sf_seek(fh, 0, SEEK_SET); - sf_read_float(fh, data, size); + sf_read_float(fh, tmp_data, size); // for(size_t i = 0; i < size; i++) data[i] *= 0.1; sf_close(fh); + + // Find real size (crop 'silence') + while(size > 0 && tmp_data[size--] < THRESHOLD) {} + data = (jack_default_audio_sample_t*)malloc(sizeof(jack_default_audio_sample_t)*size); + for(size_t i = 0; i < size; i++) data[i] = tmp_data[i]; + // ramp down + // if(size > 1024) for(size_t i = 1024; i >= 0; i--) data[size - i] *= (float)i/1024.0; + free(tmp_data); + } |