X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fsrcfilesource.cc;h=b9421d2c070dc74902f6c974167dd6e16eef0689;hb=27d06075a7cdbfbedae95035977fc2622aeadbe6;hp=6af4aaa9d815fb1567f731402472810948229b1c;hpb=25a6296f865620d5013cd634e693f7179e7edc84;p=ardour.git

diff --git a/libs/ardour/srcfilesource.cc b/libs/ardour/srcfilesource.cc
index 6af4aaa9d8..b9421d2c07 100644
--- a/libs/ardour/srcfilesource.cc
+++ b/libs/ardour/srcfilesource.cc
@@ -30,8 +30,7 @@
 using namespace ARDOUR;
 using namespace PBD;
 
-/* see disk_io_chunk_frames */
-const uint32_t SrcFileSource::blocksize = 65536U;
+const uint32_t SrcFileSource::max_blocksize = 2097152U; /* see AudioDiskstream::_do_refill_with_alloc, max */
 
 SrcFileSource::SrcFileSource (Session& s, boost::shared_ptr<AudioFileSource> src, SrcQuality srcq)
 	: Source(s, DataType::AUDIO, src->name(), Flag (src->flags() & ~(Writable|Removable|RemovableIfEmpty|RemoveAtDestroy)))
@@ -68,7 +67,7 @@ SrcFileSource::SrcFileSource (Session& s, boost::shared_ptr<AudioFileSource> src
 	_ratio = s.nominal_frame_rate() / _source->sample_rate();
 	_src_data.src_ratio = _ratio;
 
-	src_buffer_size = ceil((double)blocksize / _ratio) + 2;
+	src_buffer_size = ceil((double)max_blocksize / _ratio) + 2;
 	_src_buffer = new float[src_buffer_size];
 
 	int err;
@@ -85,6 +84,15 @@ SrcFileSource::~SrcFileSource ()
 	delete [] _src_buffer;
 }
 
+void
+SrcFileSource::close ()
+{
+	boost::shared_ptr<FileSource> fs = boost::dynamic_pointer_cast<FileSource> (_source);
+	if (fs) {
+		fs->close ();
+	}
+}
+
 framecnt_t
 SrcFileSource::read_unlocked (Sample *dst, framepos_t start, framecnt_t cnt) const
 {
@@ -112,13 +120,17 @@ SrcFileSource::read_unlocked (Sample *dst, framepos_t start, framecnt_t cnt) con
 
 	_src_data.input_frames = _source->read (_src_buffer, _source_position, scnt);
 
-	if ((framecnt_t) _src_data.input_frames < scnt
-			|| _source_position + scnt >= _source->length(0)) {
+	if ((framecnt_t) _src_data.input_frames * _ratio <= cnt
+			&& _source_position + scnt >= _source->length(0)) {
 		_src_data.end_of_input = true;
-		_target_position += _src_data.input_frames * _ratio;
 		DEBUG_TRACE (DEBUG::AudioPlayback, "SRC: END OF INPUT\n");
 	} else {
 		_src_data.end_of_input = false;
+	}
+
+	if ((framecnt_t) _src_data.input_frames < scnt) {
+		_target_position += _src_data.input_frames * _ratio;
+	} else {
 		_target_position += cnt;
 	}
 
@@ -126,11 +138,6 @@ SrcFileSource::read_unlocked (Sample *dst, framepos_t start, framecnt_t cnt) con
 	_src_data.data_in = _src_buffer;
 	_src_data.data_out = dst;
 
-	if (_src_data.end_of_input) {
-		_src_data.output_frames = std::min ((long)floor(_src_data.input_frames * _ratio), _src_data.output_frames);
-	}
-
-
 	if ((err = src_process (_src_state, &_src_data))) {
 		error << string_compose(_("SrcFileSource: %1"), src_strerror (err)) << endmsg ;
 		return 0;