From patchwork Tue Oct 6 06:51:38 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jean-Francois Moine X-Patchwork-Id: 51884 X-Patchwork-Delegate: dougsland@redhat.com Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n966wHHg024974 for ; Tue, 6 Oct 2009 06:58:17 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752786AbZJFGwU (ORCPT ); Tue, 6 Oct 2009 02:52:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752437AbZJFGwU (ORCPT ); Tue, 6 Oct 2009 02:52:20 -0400 Received: from smtp3-g21.free.fr ([212.27.42.3]:39712 "EHLO smtp3-g21.free.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752432AbZJFGwU (ORCPT ); Tue, 6 Oct 2009 02:52:20 -0400 Received: from smtp3-g21.free.fr (localhost [127.0.0.1]) by smtp3-g21.free.fr (Postfix) with ESMTP id 6AB4381818A; Tue, 6 Oct 2009 08:51:32 +0200 (CEST) Received: from tele (qrm29-1-82-245-201-222.fbx.proxad.net [82.245.201.222]) by smtp3-g21.free.fr (Postfix) with ESMTP id 4C505818080; Tue, 6 Oct 2009 08:51:30 +0200 (CEST) Date: Tue, 6 Oct 2009 08:51:38 +0200 From: Jean-Francois Moine To: Hans de Goede Cc: V4L Mailing List Subject: [PATCH] libv4l - spca561: Have static decoding tables Message-ID: <20091006085138.43085ca8@tele> X-Mailer: Claws Mail 3.7.2 (GTK+ 2.18.1; x86_64-pc-linux-gnu) Mime-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org libv4l - spca561: Have static decoding tables Signed-off-by: Jean-Francois Moine diff -r fbecc4a86361 v4l2-apps/libv4l/libv4lconvert/spca561-decompress.c --- a/v4l2-apps/libv4l/libv4lconvert/spca561-decompress.c Mon Oct 05 10:41:30 2009 +0200 +++ b/v4l2-apps/libv4l/libv4lconvert/spca561-decompress.c Tue Oct 06 08:37:30 2009 +0200 @@ -308,7 +308,7 @@ static int accum[8 * 8 * 8]; static int i_hits[8 * 8 * 8]; - const int nbits_A[] = + static const int nbits_A[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -336,7 +336,7 @@ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, }; - const int tab_A[] = + static const int tab_A[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, @@ -371,7 +371,7 @@ 1 }; - const int nbits_B[] = + static const int nbits_B[] = { 0, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, @@ -399,7 +399,7 @@ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, }; - const int tab_B[] = + static const int tab_B[] = { 0xff, -4, 3, 3, -3, -3, -3, -3, 2, 2, 2, 2, 2, 2, 2, 2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, 1, 1, @@ -434,7 +434,7 @@ 0, 0, 0, 0, 0, 0, 0, }; - const int nbits_C[] = + static const int nbits_C[] = { 0, 0, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, @@ -462,7 +462,7 @@ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, }; - const int tab_C[] = + static const int tab_C[] = { 0xff, 0xfe, 6, -7, 5, 5, -6, -6, 4, 4, 4, 4, -5, -5, -5, -5, 3, 3, 3, 3, 3, 3, 3, 3, -4, -4, -4, -4, -4, -4, -4, -4, 2, 2, 2, 2, @@ -498,7 +498,7 @@ -1, }; - const int nbits_D[] = + static const int nbits_D[] = { 0, 0, 0, 0, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, @@ -526,7 +526,7 @@ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 }; - const int tab_D[] = + static const int tab_D[] = { 0xff, 0xfe, 0xfd, 0xfc, 10, -11, 11, -12, 8, 8, -9, -9, 9, 9, -10, -10, 6, 6, 6, 6, -7, -7, -7, -7, 7, 7, 7, 7, -8, -8, -8, -8, @@ -564,7 +564,7 @@ }; /* a_curve[19 + i] = ... [-19..19] => [-160..160] */ - const int a_curve[] = + static const int a_curve[] = { -160, -144, -128, -112, -98, -88, -80, -72, -64, -56, -48, -40, -32, -24, -18, -12, -8, -5, -2, 0, 2, 5, 8, 12, 18, 24, 32, @@ -572,7 +572,7 @@ 72, 80, 88, 98, 112, 128, 144, 160 }; /* clamp0_255[256 + i] = min(max(i,255),0) */ - const unsigned char clamp0_255[] = + static const unsigned char clamp0_255[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, @@ -681,14 +681,14 @@ 255 }; /* abs_clamp15[19 + i] = min(abs(i), 15) */ - const int abs_clamp15[] = + static const int abs_clamp15[] = { 15, 15, 15, 15, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 15, 15, 15 }; /* diff_encoding[256 + i] = ... */ - const int diff_encoding[] = + static const int diff_encoding[] = { 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,