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Fix issue #772: setting buffer size to 50ms leads to truncated mbrola-fr4 output

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Valdis Vitolins
2020-06-14 22:09:52 +03:00
parent d32b32caf2
commit 238427184a
1 changed files with 6 additions and 3 deletions
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src/libespeak-ng/speech.c
+6 -3
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@@ -80,6 +80,7 @@ static void *my_user_data = NULL;
static espeak_ng_OUTPUT_MODE my_mode = ENOUTPUT_MODE_SYNCHRONOUS;
static int out_samplerate = 0;
static int voice_samplerate = 22050;
static int min_buffer_length = 60; // minimum buffer length in ms
static espeak_ng_STATUS err = ENS_OK;
t_espeak_callback *synth_callback = NULL;
@@ -276,10 +277,12 @@ ESPEAK_NG_API espeak_ng_STATUS espeak_ng_InitializeOutput(espeak_ng_OUTPUT_MODE
my_audio = create_audio_device_object(device, "eSpeak", "Text-to-Speech");
#endif
// buffer_length is in mS, allocate 2 bytes per sample
if (buffer_length == 0)
buffer_length = 60;
// Don't allow buffer be smaller than safe minimum
if (buffer_length < min_buffer_length)
buffer_length = min_buffer_length;
// allocate 2 bytes per sample
outbuf_size = (buffer_length * samplerate)/500;
out_start = (unsigned char *)realloc(outbuf, outbuf_size);
if (out_start == NULL)