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Merge pull request #152 from ul/master

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fix microphone example fill with zeros case
This commit is contained in:
Andrew Kelley 2017-03-27 14:21:04 -04:00 committed by GitHub
parent 8094dc5249 ae7fc0177b
commit 85103e43e4
1 changed files with 7 additions and 1 deletions
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8
example/sio_microphone.c
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@ -113,6 +113,7 @@ static void read_callback(struct SoundIoInStream *instream, int frame_count_min,
static void write_callback(struct SoundIoOutStream *outstream, int frame_count_min, int frame_count_max) { static void write_callback(struct SoundIoOutStream *outstream, int frame_count_min, int frame_count_max) {
struct SoundIoChannelArea *areas; struct SoundIoChannelArea *areas;
int frames_left;
int frame_count; int frame_count;
int err; int err;
@ -122,7 +123,11 @@ static void write_callback(struct SoundIoOutStream *outstream, int frame_count_m
if (frame_count_min > fill_count) { if (frame_count_min > fill_count) {
// Ring buffer does not have enough data, fill with zeroes. // Ring buffer does not have enough data, fill with zeroes.
frames_left = frame_count_min;
for (;;) { for (;;) {
frame_count = frames_left;
if (frame_count <= 0)
return;
if ((err = soundio_outstream_begin_write(outstream, &areas, &frame_count))) if ((err = soundio_outstream_begin_write(outstream, &areas, &frame_count)))
panic("begin write error: %s", soundio_strerror(err)); panic("begin write error: %s", soundio_strerror(err));
if (frame_count <= 0) if (frame_count <= 0)
@ -135,11 +140,12 @@ static void write_callback(struct SoundIoOutStream *outstream, int frame_count_m
} }
if ((err = soundio_outstream_end_write(outstream))) if ((err = soundio_outstream_end_write(outstream)))
panic("end write error: %s", soundio_strerror(err)); panic("end write error: %s", soundio_strerror(err));
frames_left -= frame_count;
} }
} }
int read_count = min_int(frame_count_max, fill_count); int read_count = min_int(frame_count_max, fill_count);
int frames_left = read_count; frames_left = read_count;
while (frames_left > 0) { while (frames_left > 0) {
int frame_count = frames_left; int frame_count = frames_left;