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pcm/Volume: convert to class

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Prepare for adding state.
This commit is contained in:
Max Kellermann
2013-12-22 23:26:52 +01:00
parent d11a0c9f14
commit 8edde7a4b3
8 changed files with 255 additions and 295 deletions

22
test/software_volume.cxx

@ -27,12 +27,14 @@
#include "pcm/Volume.hxx"
#include "AudioParser.hxx"
#include "AudioFormat.hxx"
#include "util/ConstBuffer.hxx"
#include "util/Error.hxx"
#include "stdbin.h"
#include <glib.h>
#include <stddef.h>
#include <stdlib.h>
#include <unistd.h>
int main(int argc, char **argv)
@ -55,14 +57,16 @@ int main(int argc, char **argv)
}
}
while ((nbytes = read(0, buffer, sizeof(buffer))) > 0) {
if (!pcm_volume(buffer, nbytes,
audio_format.format,
PCM_VOLUME_1 / 2)) {
g_printerr("pcm_volume() has failed\n");
return 2;
}
gcc_unused ssize_t ignored = write(1, buffer, nbytes);
PcmVolume pv;
if (!pv.Open(audio_format.format, error)) {
fprintf(stderr, "%s\n", error.GetMessage());
return EXIT_FAILURE;
}
while ((nbytes = read(0, buffer, sizeof(buffer))) > 0) {
auto dest = pv.Apply({buffer, size_t(nbytes)});
gcc_unused ssize_t ignored = write(1, dest.data, dest.size);
}
pv.Close();
}