shithub: aacenc

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force first frame to be short block type

--- a/libfaac/frame.c

+++ b/libfaac/frame.c

@@ -496,7 +496,7 @@

 			coderInfo[channel].block_type = ONLY_LONG_WINDOW;

 		}

     }

-    if (shortctl == SHORTCTL_NOLONG)

+    else if ((hEncoder->frameNum <= 4) || (shortctl == SHORTCTL_NOLONG))

     {

 		for (channel = 0; channel < numChannels; channel++)

 		{