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When reading codec2 data, pad out to a multiple of 8 bytes with 0s so that when frames are pushed from the buffer, we don't get garbage at the ends of prompts which are not an exact multiple of 8 bytes.

This commit is contained in:
vk7js 2022-07-05 10:16:36 +10:00 committed by Silvano Seva
parent 69b023dd4a
commit befc892068
1 changed files with 7 additions and 0 deletions
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7
openrtx/src/core/voicePrompts.c
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@ -154,6 +154,13 @@ static void GetCodec2Data(int offset, int length)
fseek(voice_prompt_file, vpDataOffset+offset, SEEK_SET); fseek(voice_prompt_file, vpDataOffset+offset, SEEK_SET);
fread((void*)&Codec2Data, length, 1, voice_prompt_file); fread((void*)&Codec2Data, length, 1, voice_prompt_file);
// zero buffer from length to the next multiple of 8 to avoid garbage
// being played back, since codec2 frames are pushed in lots of 8 bytes.
if ((length % 8) != 0)
{
int bytesToZero = length % 8;
memset(Codec2Data+length, 0, bytesToZero);
}
} }
void vpTerminate(void) void vpTerminate(void)