From 30f3e7b524cc31155db7a1b0057f651312f6341e Mon Sep 17 00:00:00 2001
From: Justin Ruggles <justin.ruggles@gmail.com>
Date: Mon, 10 Oct 2011 13:07:19 -0400
Subject: [PATCH] alacdec: remove unneeded NULL or zero-size packet checks.

This is already done in avcodec_decode_audio3()
---
 libavcodec/alac.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/libavcodec/alac.c b/libavcodec/alac.c
index 4b442196e9..1056e6c8f4 100644
--- a/libavcodec/alac.c
+++ b/libavcodec/alac.c
@@ -368,10 +368,6 @@ static int alac_decode_frame(AVCodecContext *avctx,
     uint8_t interlacing_leftweight;
     int i, ch;
 
-    /* short-circuit null buffers */
-    if (!inbuffer || !input_buffer_size)
-        return -1;
-
     init_get_bits(&alac->gb, inbuffer, input_buffer_size * 8);
 
     channels = get_bits(&alac->gb, 3) + 1;