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-rw-r--r--src/pcm_utils.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/src/pcm_utils.c b/src/pcm_utils.c
index c93a2359e..dff698e71 100644
--- a/src/pcm_utils.c
+++ b/src/pcm_utils.c
@@ -288,6 +288,7 @@ void pcm_convertAudioFormat(AudioFormat * inFormat, char *inBuffer, size_t
#ifdef HAVE_LIBSAMPLERATE
static SRC_STATE *state = NULL;
static SRC_DATA data;
+ static size_t data_in_size, data_out_size;
int error;
static double ratio = 0;
double newratio;
@@ -313,10 +314,17 @@ void pcm_convertAudioFormat(AudioFormat * inFormat, char *inBuffer, size_t
data.output_frames = pcm_sizeOfOutputBufferForAudioFormatConversion(inFormat, dataChannelLen, outFormat) / 2 / outFormat->channels;
data.src_ratio = (double)data.output_frames / (double)data.input_frames;
- float conversionInBuffer[data.input_frames * outFormat->channels];
- float conversionOutBuffer[data.output_frames * outFormat->channels];
- data.data_in = conversionInBuffer;
- data.data_out = conversionOutBuffer;
+ if (data_in_size != (data.input_frames *
+ outFormat->channels)) {
+ data_in_size = data.input_frames * outFormat->channels;
+ data.data_in = xrealloc(data.data_in, data_in_size);
+ }
+ if (data_out_size != (data.output_frames *
+ outFormat->channels)) {
+ data_out_size = data.output_frames *
+ outFormat->channels;
+ data.data_out = xrealloc(data.data_out, data_out_size);
+ }
src_short_to_float_array((short *)dataChannelConv, data.data_in, data.input_frames * outFormat->channels);
error = src_process(state, &data);