/*
- Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
extern "C" {
#include "libavutil/channel_layout.h"
#include "libavutil/opt.h"
-}
+}
#include "resampler.h"
#include "audio_buffers.h"
#include "exceptions.h"
/* Sample rates */
av_opt_set_int (_swr_context, "isr", _in_rate, 0);
av_opt_set_int (_swr_context, "osr", _out_rate, 0);
-
+
swr_init (_swr_context);
}
int const resampled_frames = swr_convert (
_swr_context, (uint8_t **) resampled->data(), max_resampled_frames, (uint8_t const **) in->data(), in->frames()
);
-
+
if (resampled_frames < 0) {
char buf[256];
av_strerror (resampled_frames, buf, sizeof(buf));
throw EncodeError (String::compose (_("could not run sample-rate converter for %1 samples (%2) (%3)"), in->frames(), resampled_frames, buf));
}
-
+
resampled->set_frames (resampled_frames);
return resampled;
-}
+}
shared_ptr<const AudioBuffers>
Resampler::flush ()
int64_t const pass_size = 256;
shared_ptr<AudioBuffers> pass (new AudioBuffers (_channels, 256));
- while (1) {
+ while (true) {
int const frames = swr_convert (_swr_context, (uint8_t **) pass->data(), pass_size, 0, 0);
-
+
if (frames < 0) {
throw EncodeError (_("could not run sample-rate converter"));
}
-
+
if (frames == 0) {
break;
}