Fixed ima_adpcm encoder bug.

diff --git a/libfreerdp/codec/dsp.c b/libfreerdp/codec/dsp.c
index f39648d..0144ec4 100644 (file)
--- a/libfreerdp/codec/dsp.c
+++ b/libfreerdp/codec/dsp.c
@@ -607,13 +607,15 @@ static BOOL freerdp_dsp_encode_ima_adpcm(FREERDP_DSP_CONTEXT* context,
        BYTE encoded;
        UINT32 out_size;
        out_size = size / 2;
+       size_t align;
 
        if (!Stream_EnsureRemainingCapacity(out, size))
                return FALSE;
 
        start = dst = Stream_Pointer(out);
+       align = (context->format.nChannels > 1) ? 32 : 4;
 
-       while (size > 0)
+       while (size > align)
        {
                if ((dst - start) % context->format.nBlockAlign == 0)
                {