From 11c255bf20a0441c0490818168649554120ba75e Mon Sep 17 00:00:00 2001
From: alex <alex@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Wed, 7 Apr 2004 12:46:14 +0000
Subject: support for abitrary imaadpcm encoding, ported from ffmpeg

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@12150 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 mencoder.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

(limited to 'mencoder.c')

diff --git a/mencoder.c b/mencoder.c
index e1ac019cdb..31ca7ace60 100644
--- a/mencoder.c
+++ b/mencoder.c
@@ -928,12 +928,8 @@ case ACODEC_LAVC:
     case 0x11: /* imaadpcm */
 	mux_a->wf->wBitsPerSample = 4;
 	mux_a->wf->cbSize = 2;
-	/*
-	 * Magic imaadpcm values, currently probably only valid
-	 * for 48KHz Stereo
-	 */
-	((unsigned char*)mux_a->wf)[sizeof(WAVEFORMATEX)] = 0xf9;
-	((unsigned char*)mux_a->wf)[sizeof(WAVEFORMATEX)+1] = 0x07;
+	((uint16_t*)mux_a->wf)[sizeof(WAVEFORMATEX)] = 
+	    ((lavc_actx->block_align - 4 * lavc_actx->channels) / (4 * lavc_actx->channels)) * 8 + 1;
 	break;
     case 0x55: /* mp3 */
 	mux_a->wf->cbSize = 12;
-- 
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