[alsa-devel] [PATCH: TinyCompress 1/2] add utils file with rate conversion helper

[Vinod Koul]

Signed-off-by: Vinod Koul <vinod.koul at intel.com>
---
 Android.mk                          |    2 +-
 include/tinycompress/tinycompress.h |    2 +
 makefile.linux                      |    2 +-
 utils.c                             |   96 +++++++++++++++++++++++++++++++++++
 4 files changed, 100 insertions(+), 2 deletions(-)
 create mode 100644 utils.c

diff --git a/Android.mk b/Android.mk
index b9c52e2..104dfef 100644
--- a/Android.mk
+++ b/Android.mk
@@ -2,7 +2,7 @@ LOCAL_PATH:= $(call my-dir)
 
 include $(CLEAR_VARS)
 LOCAL_C_INCLUDES:= $(LOCAL_PATH)/include
-LOCAL_SRC_FILES:= compress.c
+LOCAL_SRC_FILES:= compress.c utils.c
 LOCAL_MODULE := libtinycompress
 LOCAL_SHARED_LIBRARIES:= libcutils libutils
 LOCAL_MODULE_TAGS := optional
diff --git a/include/tinycompress/tinycompress.h b/include/tinycompress/tinycompress.h
index 9867afc..e947322 100644
--- a/include/tinycompress/tinycompress.h
+++ b/include/tinycompress/tinycompress.h
@@ -267,4 +267,6 @@ const char *compress_get_error(struct compress *compress);
 #define SNDRV_PCM_RATE_176400		(1<<11)		/* 176400Hz */
 #define SNDRV_PCM_RATE_192000		(1<<12)		/* 192000Hz */
 
+/* utility functions */
+unsigned int compress_get_alsa_rate(unsigned int rate);
 #endif
diff --git a/makefile.linux b/makefile.linux
index 60d6c04..677878d 100644
--- a/makefile.linux
+++ b/makefile.linux
@@ -2,7 +2,7 @@ LIB = libtinycompress
 BIN = cplay
 VER = 0.1
 LIBSRC = compress.c
-SRC = cplay.c
+SRC = cplay.c utils.c
 LIBOBJ = ${LIBSRC:.c=.o}
 OBJ = ${SRC:.c=.o}
 
diff --git a/utils.c b/utils.c
new file mode 100644
index 0000000..fa37f23
--- /dev/null
+++ b/utils.c
@@ -0,0 +1,96 @@
+/*
+ * BSD LICENSE
+ *
+ * tinycompress utility functions
+ * Copyright (c) 2011-2013, Intel Corporation
+ * All rights reserved.
+ *
+ * Author: Vinod Koul <vinod.koul at 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
+ *
+ * tinycompress utility functions
+ * Copyright (c) 2011-2013, 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.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <linux/types.h>
+#include <sys/time.h>
+#define __force
+#define __bitwise
+#define __user
+#include "tinycompress/tinycompress.h"
+
+
+unsigned int compress_get_alsa_rate(unsigned int rate)
+{
+	switch (rate) {
+	case 5512:
+		return SNDRV_PCM_RATE_5512;
+	case 8000:
+		return SNDRV_PCM_RATE_8000;
+	case 11025:
+		return SNDRV_PCM_RATE_11025;
+	case 16000:
+		return SNDRV_PCM_RATE_16000;
+	case 220500:
+		return SNDRV_PCM_RATE_22050;
+	case 32000:
+		return SNDRV_PCM_RATE_32000;
+	case 44100:
+		return SNDRV_PCM_RATE_44100;
+	case 48000:
+		return SNDRV_PCM_RATE_48000;
+	case 64000:
+		return SNDRV_PCM_RATE_64000;
+	case 88200:
+		return SNDRV_PCM_RATE_88200;
+	case 96000:
+		return SNDRV_PCM_RATE_96000;
+	case 176400:
+		return SNDRV_PCM_RATE_176400;
+	case 192000:
+		return SNDRV_PCM_RATE_192000;
+	default:
+		return 0;
+	}
+}
-- 
1.7.0.4