Initial version of tinycompress
From git://git.alsa-project.org/tinycompress.git 0765f97a
Change-Id: I34599092e8c764ecb3475883d1d46cd9c9b5c439
diff --git a/include/tinycompress/tinymp3.h b/include/tinycompress/tinymp3.h
new file mode 100644
index 0000000..b7b45e3
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+++ b/include/tinycompress/tinymp3.h
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+/*
+ * BSD LICENSE
+ *
+ * mp3 header and prasing
+ * Copyright (c) 2011-2012, Intel Corporation
+ * All rights reserved.
+ *
+ * Author: Vinod Koul <vinod.koul@linux.intel.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * Neither the name of Intel Corporation nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * LGPL LICENSE
+ *
+ * mp3 header and parsing
+ * Copyright (c) 2011-2012, Intel Corporation.
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU Lesser General Public License,
+ * version 2.1, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to
+ * the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+
+#ifndef __TINYMP3_H
+#define __TINYMP3_H
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+
+#define MP3_SYNC 0xe0ff
+
+const int mp3_sample_rates[3][3] = {
+ {44100, 48000, 32000}, /* MPEG-1 */
+ {22050, 24000, 16000}, /* MPEG-2 */
+ {11025, 12000, 8000}, /* MPEG-2.5 */
+};
+
+const int mp3_bit_rates[3][3][15] = {
+ {
+ /* MPEG-1 */
+ { 0, 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448}, /* Layer 1 */
+ { 0, 32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384}, /* Layer 2 */
+ { 0, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320}, /* Layer 3 */
+ },
+ {
+ /* MPEG-2 */
+ { 0, 32, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 256}, /* Layer 1 */
+ { 0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160}, /* Layer 2 */
+ { 0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160}, /* Layer 3 */
+ },
+ {
+ /* MPEG-2.5 */
+ { 0, 32, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 256}, /* Layer 1 */
+ { 0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160}, /* Layer 2 */
+ { 0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160}, /* Layer 3 */
+ },
+};
+
+enum mpeg_version {
+ MPEG1 = 0,
+ MPEG2 = 1,
+ MPEG25 = 2
+};
+
+enum mp3_stereo_mode {
+ STEREO = 0x00,
+ JOINT = 0x01,
+ DUAL = 0x02,
+ MONO = 0x03
+};
+
+#endif