Separate g711 decoder from Codec2 plugin
g711 decoder is now built as separate static
library which is included in Codec2 plugin.
Test: Build libcodec2_soft_g711alawdec and libcodec2_soft_g711mlawdec
Bug: 151599224
Change-Id: Iaea9338a017a043f1614b63212708d6a94be8cb3
diff --git a/media/codec2/components/g711/Android.bp b/media/codec2/components/g711/Android.bp
index 3ede68c..0101b1a 100644
--- a/media/codec2/components/g711/Android.bp
+++ b/media/codec2/components/g711/Android.bp
@@ -7,6 +7,8 @@
srcs: ["C2SoftG711Dec.cpp"],
+ static_libs: ["codecs_g711dec"],
+
cflags: [
"-DALAW",
],
@@ -20,4 +22,6 @@
],
srcs: ["C2SoftG711Dec.cpp"],
+
+ static_libs: ["codecs_g711dec"],
}
diff --git a/media/codec2/components/g711/C2SoftG711Dec.cpp b/media/codec2/components/g711/C2SoftG711Dec.cpp
index 4ff0793..7f9c34e 100644
--- a/media/codec2/components/g711/C2SoftG711Dec.cpp
+++ b/media/codec2/components/g711/C2SoftG711Dec.cpp
@@ -22,7 +22,7 @@
#include <C2PlatformSupport.h>
#include <SimpleC2Interface.h>
-
+#include <g711Dec.h>
#include "C2SoftG711Dec.h"
namespace android {
@@ -224,53 +224,6 @@
return C2_OK;
}
-#ifdef ALAW
-void C2SoftG711Dec::DecodeALaw(
- int16_t *out, const uint8_t *in, size_t inSize) {
- while (inSize > 0) {
- inSize--;
- int32_t x = *in++;
-
- int32_t ix = x ^ 0x55;
- ix &= 0x7f;
-
- int32_t iexp = ix >> 4;
- int32_t mant = ix & 0x0f;
-
- if (iexp > 0) {
- mant += 16;
- }
-
- mant = (mant << 4) + 8;
-
- if (iexp > 1) {
- mant = mant << (iexp - 1);
- }
-
- *out++ = (x > 127) ? mant : -mant;
- }
-}
-#else
-void C2SoftG711Dec::DecodeMLaw(
- int16_t *out, const uint8_t *in, size_t inSize) {
- while (inSize > 0) {
- inSize--;
- int32_t x = *in++;
-
- int32_t mantissa = ~x;
- int32_t exponent = (mantissa >> 4) & 7;
- int32_t segment = exponent + 1;
- mantissa &= 0x0f;
-
- int32_t step = 4 << segment;
-
- int32_t abs = (0x80l << exponent) + step * mantissa + step / 2 - 4 * 33;
-
- *out++ = (x < 0x80) ? -abs : abs;
- }
-}
-#endif
-
class C2SoftG711DecFactory : public C2ComponentFactory {
public:
C2SoftG711DecFactory() : mHelper(std::static_pointer_cast<C2ReflectorHelper>(
diff --git a/media/codec2/components/g711/C2SoftG711Dec.h b/media/codec2/components/g711/C2SoftG711Dec.h
index 23e8ffc..f93840b 100644
--- a/media/codec2/components/g711/C2SoftG711Dec.h
+++ b/media/codec2/components/g711/C2SoftG711Dec.h
@@ -45,12 +45,6 @@
std::shared_ptr<IntfImpl> mIntf;
bool mSignalledOutputEos;
-#ifdef ALAW
- void DecodeALaw(int16_t *out, const uint8_t *in, size_t inSize);
-#else
- void DecodeMLaw(int16_t *out, const uint8_t *in, size_t inSize);
-#endif
-
C2_DO_NOT_COPY(C2SoftG711Dec);
};
diff --git a/media/codecs/g711/decoder/Android.bp b/media/codecs/g711/decoder/Android.bp
new file mode 100644
index 0000000..04cc215
--- /dev/null
+++ b/media/codecs/g711/decoder/Android.bp
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+cc_library_static {
+ name: "codecs_g711dec",
+ vendor_available: true,
+
+ srcs: [
+ "g711DecAlaw.cpp",
+ "g711DecMlaw.cpp",
+ ],
+
+ export_include_dirs: ["."],
+
+ cflags: ["-Werror"],
+
+ sanitize: {
+ misc_undefined: [
+ "signed-integer-overflow",
+ "unsigned-integer-overflow",
+ ],
+ cfi: true,
+ },
+ apex_available: ["com.android.media.swcodec"],
+}
diff --git a/media/codecs/g711/decoder/g711Dec.h b/media/codecs/g711/decoder/g711Dec.h
new file mode 100644
index 0000000..ca357a5
--- /dev/null
+++ b/media/codecs/g711/decoder/g711Dec.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef G711_DEC_H_
+#define G711_DEC_H_
+
+/**
+ * @file g711Dec.h
+ * @brief g711 Decoder API: DecodeALaw and DecodeMLaw
+ */
+
+/** Decodes input bytes of size inSize according to ALAW
+ *
+ * @param [in] out <tt>int16_t*</tt>: output buffer to be filled with decoded bytes.
+ * @param [in] in <tt>const uint8_t*</tt>: input buffer containing bytes to be decoded.
+ * @param [in] inSize <tt>size_t</tt>: size of the input buffer.
+ */
+void DecodeALaw(int16_t *out, const uint8_t *in, size_t inSize);
+
+/** Decodes input bytes of size inSize according to MLAW
+ *
+ * @param [in] out <tt>int16_t*</tt>: output buffer to be filled with decoded bytes.
+ * @param [in] in <tt>const uint8_t*</tt>: input buffer containing bytes to be decoded.
+ * @param [in] inSize <tt>size_t</tt>: size of the input buffer.
+ */
+void DecodeMLaw(int16_t *out, const uint8_t *in, size_t inSize);
+
+#endif // G711_DECODER_H_
diff --git a/media/codecs/g711/decoder/g711DecAlaw.cpp b/media/codecs/g711/decoder/g711DecAlaw.cpp
new file mode 100644
index 0000000..e41a7b4
--- /dev/null
+++ b/media/codecs/g711/decoder/g711DecAlaw.cpp
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stddef.h>
+#include <stdint.h>
+
+void DecodeALaw(int16_t *out, const uint8_t *in, size_t inSize) {
+ if (out != nullptr && in != nullptr) {
+ while (inSize > 0) {
+ inSize--;
+ int32_t x = *in++;
+
+ int32_t ix = x ^ 0x55;
+ ix &= 0x7f;
+
+ int32_t iexp = ix >> 4;
+ int32_t mant = ix & 0x0f;
+
+ if (iexp > 0) {
+ mant += 16;
+ }
+
+ mant = (mant << 4) + 8;
+
+ if (iexp > 1) {
+ mant = mant << (iexp - 1);
+ }
+
+ *out++ = (x > 127) ? mant : -mant;
+ }
+ }
+}
diff --git a/media/codecs/g711/decoder/g711DecMlaw.cpp b/media/codecs/g711/decoder/g711DecMlaw.cpp
new file mode 100644
index 0000000..bb2caea
--- /dev/null
+++ b/media/codecs/g711/decoder/g711DecMlaw.cpp
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stddef.h>
+#include <stdint.h>
+
+void DecodeMLaw(int16_t *out, const uint8_t *in, size_t inSize) {
+ if (out != nullptr && in != nullptr) {
+ while (inSize > 0) {
+ inSize--;
+ int32_t x = *in++;
+
+ int32_t mantissa = ~x;
+ int32_t exponent = (mantissa >> 4) & 7;
+ int32_t segment = exponent + 1;
+ mantissa &= 0x0f;
+
+ int32_t step = 4 << segment;
+
+ int32_t abs = (0x80l << exponent) + step * mantissa + step / 2 - 4 * 33;
+
+ *out++ = (x < 0x80) ? -abs : abs;
+ }
+ }
+}