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authorCarl Hetherington <cth@carlh.net>2013-07-25 22:04:20 +0100
committerCarl Hetherington <cth@carlh.net>2013-07-25 22:04:20 +0100
commit78e5a331074a456097a162d47501daf1df1ab1a3 (patch)
tree17dbc6cd0e3e6a4878277959d7cd86129fb516b4 /src/lib/resampler.cc
parent991244a0d4be149e8733a8dd70bfd745cab72583 (diff)
Hopefully much cleaner handling of PTS changes under resample.
Diffstat (limited to 'src/lib/resampler.cc')
-rw-r--r--src/lib/resampler.cc10
1 files changed, 7 insertions, 3 deletions
diff --git a/src/lib/resampler.cc b/src/lib/resampler.cc
index cc5072442..7bc933fd0 100644
--- a/src/lib/resampler.cc
+++ b/src/lib/resampler.cc
@@ -27,6 +27,8 @@ extern "C" {
#include "i18n.h"
using std::cout;
+using std::pair;
+using std::make_pair;
using boost::shared_ptr;
Resampler::Resampler (int in, int out, int channels)
@@ -61,9 +63,11 @@ Resampler::~Resampler ()
swr_free (&_swr_context);
}
-shared_ptr<const AudioBuffers>
-Resampler::run (shared_ptr<const AudioBuffers> in)
+pair<shared_ptr<const AudioBuffers>, AudioContent::Frame>
+Resampler::run (shared_ptr<const AudioBuffers> in, AudioContent::Frame frame)
{
+ AudioContent::Frame const resamp_time = swr_next_pts (_swr_context, frame * _out_rate) / _in_rate;
+
/* Compute the resampled frames count and add 32 for luck */
int const max_resampled_frames = ceil ((double) in->frames() * _out_rate / _in_rate) + 32;
shared_ptr<AudioBuffers> resampled (new AudioBuffers (_channels, max_resampled_frames));
@@ -77,7 +81,7 @@ Resampler::run (shared_ptr<const AudioBuffers> in)
}
resampled->set_frames (resampled_frames);
- return resampled;
+ return make_pair (resampled, resamp_time);
}
shared_ptr<const AudioBuffers>