Squashed commit of the following:

commit c80992e419ed567abef451042f09c4958534b90d
Author: Andreas Huber <andih@google.com>
Date:   Wed May 11 14:00:07 2011 -0700

    Support for the mp3 audio decoder as a software OMX component.

    Change-Id: I66e10c4d0be4c3aecdef1c21b15a2c7359ceb807

commit a358d0e1bf2a88897887445f42ccdda0f5f2f528
Author: Andreas Huber <andih@google.com>
Date:   Wed May 11 13:11:23 2011 -0700

    Support for G.711 alaw and mulaw decoders as software OMX components

    Change-Id: Ia5c76c02cb83a9f94ce39a27b2251e5880218f03

commit 79088b9c9a5c8b8c97ea66cb4f90a2b0f0d34553
Author: Andreas Huber <andih@google.com>
Date:   Thu May 5 15:43:32 2011 -0700

    Instead of using an RGB surface and conversion yuv420->rgb565

    convert from OMX_COLOR_FormatYUV420Planar to HAL_PIXEL_FORMAT_YV12 instead.

    Change-Id: I8c4fc3c54c963f0d4ba6377f3c4ab4e0013152e5
    related-to-bug: 4394005

commit 69469d3bd84425777b11b9fc938c5e0c61af26a7
Author: Andreas Huber <andih@google.com>
Date:   Tue May 10 15:46:42 2011 -0700

    voip mustn't link against libstagefright.so

    Change-Id: I4d0ba9a8b9dc9380b792a1bd04bcda231964862c

commit 2a9a9eeeeeb36ae3a9e680469c3016d509ff08c3
Author: Andreas Huber <andih@google.com>
Date:   Tue May 10 14:37:10 2011 -0700

    Remove most non-OMX software decoders by default

    Change-Id: Ic56514bc1b56b8fa952e8c4a164ea7379ecb69d0

commit a4de62c37b335c318217765403a9fb282b20a216
Author: Andreas Huber <andih@google.com>
Date:   Mon May 9 16:50:02 2011 -0700

    Conditionally build the old-style software decoders.

    Change-Id: I5de609e1d76c92d26d6eb81d1551462258f3f15f

commit 5d8b039f9449dc3dad1e77c42c80cc0b54b0c846
Author: Andreas Huber <andih@google.com>
Date:   Mon May 9 16:13:12 2011 -0700

    Support for MPEG4 and H.263 video decoders as soft OMX components.

    Change-Id: I5e3a4835afab89f98e3aa128d013628f5830eafe

commit b25a1bfbeb0ff6e62e1cc694ce2599c91489c7d0
Author: Andreas Huber <andih@google.com>
Date:   Mon May 9 11:49:10 2011 -0700

    Boost Soft OMX thread priority, fix timestamp handling in vorbis Soft OMX decoder.

    Change-Id: I68d26d4999f06fcc451d69e5303663fab0cba9e8

commit c0574362f8dc3319ce84d981097867062a698527
Author: Andreas Huber <andih@google.com>
Date:   Mon May 9 11:28:53 2011 -0700

    Support for the AMR decoders (NB and WB) as Soft OMX components.

    Change-Id: Ia565f59833fb52653e23f26536e7e41fc329a754

commit 3e5575a8f0e27a490cb7bde77bd9456087837f08
Author: Andreas Huber <andih@google.com>
Date:   Wed May 4 13:41:25 2011 -0700

    Signal an error if the aac decoder failed to initialize from codec specific data.

    Change-Id: I01da7831bdf722edd7d6dc5974486daa2cf2b209
    related-to-bug: 4272179

commit f94aeaa9886e772ff4823e671ed237096649f4af
Author: Andreas Huber <andih@google.com>
Date:   Tue May 3 13:07:38 2011 -0700

    Software OMX nodes don't (yet?) support native_window mode.

    Change-Id: I7d9ca9164ef4abf66b573ca21dba12d672f8b12d

commit eefdfabac8dc659e00daa56da69aea705c49cb67
Author: Andreas Huber <andih@google.com>
Date:   Tue May 3 12:57:16 2011 -0700

    Fixing the OMX tests to refer to appropriate files from test content.

    Change-Id: I5b61c3498749bfb876abbd3946a5132356e3f6ff

commit f31b7326aef14b6a1b7946520a9688f092e844d5
Author: Andreas Huber <andih@google.com>
Date:   Tue May 3 11:08:38 2011 -0700

    Soft OMX components are now dynamiclly loaded/unloaded, not directly linked against.

    Change-Id: I1e2ecfbfab67a8869886f738eaf0c7b3c948b6d9

commit b7f0343879e4df06f0a1c9bfece24df557954e2f
Author: Andreas Huber <andih@google.com>
Date:   Mon May 2 15:58:36 2011 -0700

    Support for the AVC software decoder as an OMX component.

    Change-Id: I13c12df435ba4afbd968a9fc659f66b91c818bc2

commit 5bb9e616d6c8e1b13d531fe996b9a9affdfb2977
Author: Andreas Huber <andih@google.com>
Date:   Fri Apr 29 12:05:37 2011 -0700

    Fix Vorbis OMX decoder's component role.

    Change-Id: I5e871e5e11b3f951c93590210e63fd7987c467b5

commit 089c91f2333062e196c7afd5fb0ca914878aa474
Author: Andreas Huber <andih@google.com>
Date:   Fri Apr 29 12:05:18 2011 -0700

    Support vorbis_decoder OMX testing.

    Change-Id: I1985be178a12ae3f8768bc72067d9236238be170

commit 56e241fa36fc37219bc536b823bdc2ab82dc1fad
Author: Andreas Huber <andih@google.com>
Date:   Fri Apr 29 12:01:46 2011 -0700

    SoftVorbis OMX component now respects the number of valid frames per page.

    Change-Id: I82a117a064d9b083fc58a54ad900a987a763ef03

commit fcd618ec520c376fdb78f4cbb44b8d9f5d213e2b
Author: Andreas Huber <andih@google.com>
Date:   Fri Apr 29 10:59:38 2011 -0700

    Support for the vorbis audio decoder as a soft OMX component.

    Change-Id: Iaeb057e58ca306d3dce205c0445b74d5aefef492

commit d1fcc3203fc8003ad79c6e96b3a1fc4261743f16
Author: Andreas Huber <andih@google.com>
Date:   Fri Apr 29 10:07:50 2011 -0700

    VPX decoder now properly resizes buffers after a port settings change.

    Change-Id: I110749a31b6cba087891d8e5dfe420830bdbf831

commit 35c7168243cb69849d88911144a2c7fdfed5c54e
Author: Andreas Huber <andih@google.com>
Date:   Thu Apr 28 13:23:34 2011 -0700

    Support for the VPX video decoder as a Software OMX component.

    Change-Id: Ic345add2d6d768d4af631160153f2e9b97fcea71

commit 923b2534b4211fc5405377b5190bfa6f2dd27f32
Author: Andreas Huber <andih@google.com>
Date:   Thu Apr 28 11:34:40 2011 -0700

    Table-based registration of soft omx components.

    Change-Id: I7f45f0fa5b3a7950776e69c66349731f7674e937

commit 04a88f3edb2266a463da9c4481b80178be460902
Author: Andreas Huber <andih@google.com>
Date:   Thu Apr 28 11:22:31 2011 -0700

    Apparently OMX_GetParameter is valid in any state other than OMX_StateInvalid

    OMX_SetParameter is still constrained to OMX_StateLoaded or a disabled port.

    Change-Id: I1032d7cf4011982d306aa369d4158a82830d26fb

commit 9d70ca68445e7c40f5c9b2d12466e468f514de88
Author: Andreas Huber <andih@google.com>
Date:   Wed Apr 27 15:03:18 2011 -0700

    Use the new soft OMX aac decoder for HTTP live playback.

    Change-Id: Ifbcfb732a9edb855cb46b49f6d0ac942170ee28f

commit 213fe4a10ea93cce08e8622dc3908053f29878a1
Author: Andreas Huber <andih@google.com>
Date:   Tue Apr 12 16:39:45 2011 -0700

    Foundation for supporting software decoders as OMX components

    Change-Id: I7fdab256563b35d1d090617abaea9a26b198d816

Change-Id: I83e9236beed4af985d10333c203f065df9e09a42

3 files changed, 428 insertions, 0 deletions

diff --git a/media/libstagefright/codecs/mp3dec/Android.mk b/media/libstagefright/codecs/mp3dec/Android.mk
index 753500e..2d35183 100644
--- a/media/libstagefright/codecs/mp3dec/Android.mk
+++ b/media/libstagefright/codecs/mp3dec/Android.mk
@@ -57,3 +57,26 @@ LOCAL_ARM_MODE := arm
 
 include $(BUILD_STATIC_LIBRARY)
 
+################################################################################
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := \
+        SoftMP3.cpp
+
+LOCAL_C_INCLUDES := \
+        frameworks/base/media/libstagefright/include \
+        frameworks/base/include/media/stagefright/openmax \
+        $(LOCAL_PATH)/src \
+        $(LOCAL_PATH)/include
+
+LOCAL_SHARED_LIBRARIES := \
+        libstagefright libstagefright_omx libstagefright_foundation libutils
+
+LOCAL_STATIC_LIBRARIES := \
+        libstagefright_mp3dec
+
+LOCAL_MODULE := libstagefright_soft_mp3dec
+LOCAL_MODULE_TAGS := eng
+
+include $(BUILD_SHARED_LIBRARY)
diff --git a/media/libstagefright/codecs/mp3dec/SoftMP3.cpp b/media/libstagefright/codecs/mp3dec/SoftMP3.cpp
new file mode 100644
index 0000000..f6770b0
--- /dev/null
+++ b/media/libstagefright/codecs/mp3dec/SoftMP3.cpp
@@ -0,0 +1,325 @@
+/*
+ * Copyright (C) 2011 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.
+ */
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "SoftMP3"
+#include <utils/Log.h>
+
+#include "SoftMP3.h"
+
+#include <media/stagefright/foundation/ADebug.h>
+#include <media/stagefright/MediaDefs.h>
+
+#include "include/pvmp3decoder_api.h"
+
+namespace android {
+
+template<class T>
+static void InitOMXParams(T *params) {
+    params->nSize = sizeof(T);
+    params->nVersion.s.nVersionMajor = 1;
+    params->nVersion.s.nVersionMinor = 0;
+    params->nVersion.s.nRevision = 0;
+    params->nVersion.s.nStep = 0;
+}
+
+SoftMP3::SoftMP3(
+        const char *name,
+        const OMX_CALLBACKTYPE *callbacks,
+        OMX_PTR appData,
+        OMX_COMPONENTTYPE **component)
+    : SimpleSoftOMXComponent(name, callbacks, appData, component),
+      mConfig(new tPVMP3DecoderExternal),
+      mDecoderBuf(NULL),
+      mAnchorTimeUs(0),
+      mNumFramesOutput(0),
+      mNumChannels(2),
+      mSamplingRate(44100),
+      mSignalledError(false),
+      mOutputPortSettingsChange(NONE) {
+    initPorts();
+    initDecoder();
+}
+
+SoftMP3::~SoftMP3() {
+    if (mDecoderBuf != NULL) {
+        free(mDecoderBuf);
+        mDecoderBuf = NULL;
+    }
+
+    delete mConfig;
+    mConfig = NULL;
+}
+
+void SoftMP3::initPorts() {
+    OMX_PARAM_PORTDEFINITIONTYPE def;
+    InitOMXParams(&def);
+
+    def.nPortIndex = 0;
+    def.eDir = OMX_DirInput;
+    def.nBufferCountMin = kNumBuffers;
+    def.nBufferCountActual = def.nBufferCountMin;
+    def.nBufferSize = 8192;
+    def.bEnabled = OMX_TRUE;
+    def.bPopulated = OMX_FALSE;
+    def.eDomain = OMX_PortDomainAudio;
+    def.bBuffersContiguous = OMX_FALSE;
+    def.nBufferAlignment = 1;
+
+    def.format.audio.cMIMEType =
+        const_cast<char *>(MEDIA_MIMETYPE_AUDIO_MPEG);
+
+    def.format.audio.pNativeRender = NULL;
+    def.format.audio.bFlagErrorConcealment = OMX_FALSE;
+    def.format.audio.eEncoding = OMX_AUDIO_CodingMP3;
+
+    addPort(def);
+
+    def.nPortIndex = 1;
+    def.eDir = OMX_DirOutput;
+    def.nBufferCountMin = kNumBuffers;
+    def.nBufferCountActual = def.nBufferCountMin;
+    def.nBufferSize = kOutputBufferSize;
+    def.bEnabled = OMX_TRUE;
+    def.bPopulated = OMX_FALSE;
+    def.eDomain = OMX_PortDomainAudio;
+    def.bBuffersContiguous = OMX_FALSE;
+    def.nBufferAlignment = 2;
+
+    def.format.audio.cMIMEType = const_cast<char *>("audio/raw");
+    def.format.audio.pNativeRender = NULL;
+    def.format.audio.bFlagErrorConcealment = OMX_FALSE;
+    def.format.audio.eEncoding = OMX_AUDIO_CodingPCM;
+
+    addPort(def);
+}
+
+void SoftMP3::initDecoder() {
+    mConfig->equalizerType = flat;
+    mConfig->crcEnabled = false;
+
+    uint32_t memRequirements = pvmp3_decoderMemRequirements();
+    mDecoderBuf = malloc(memRequirements);
+
+    pvmp3_InitDecoder(mConfig, mDecoderBuf);
+}
+
+OMX_ERRORTYPE SoftMP3::internalGetParameter(
+        OMX_INDEXTYPE index, OMX_PTR params) {
+    switch (index) {
+        case OMX_IndexParamAudioPcm:
+        {
+            OMX_AUDIO_PARAM_PCMMODETYPE *pcmParams =
+                (OMX_AUDIO_PARAM_PCMMODETYPE *)params;
+
+            if (pcmParams->nPortIndex > 1) {
+                return OMX_ErrorUndefined;
+            }
+
+            pcmParams->eNumData = OMX_NumericalDataSigned;
+            pcmParams->eEndian = OMX_EndianBig;
+            pcmParams->bInterleaved = OMX_TRUE;
+            pcmParams->nBitPerSample = 16;
+            pcmParams->ePCMMode = OMX_AUDIO_PCMModeLinear;
+            pcmParams->eChannelMapping[0] = OMX_AUDIO_ChannelLF;
+            pcmParams->eChannelMapping[1] = OMX_AUDIO_ChannelRF;
+
+            pcmParams->nChannels = mNumChannels;
+            pcmParams->nSamplingRate = mSamplingRate;
+
+            return OMX_ErrorNone;
+        }
+
+        default:
+            return SimpleSoftOMXComponent::internalGetParameter(index, params);
+    }
+}
+
+OMX_ERRORTYPE SoftMP3::internalSetParameter(
+        OMX_INDEXTYPE index, const OMX_PTR params) {
+    switch (index) {
+        case OMX_IndexParamStandardComponentRole:
+        {
+            const OMX_PARAM_COMPONENTROLETYPE *roleParams =
+                (const OMX_PARAM_COMPONENTROLETYPE *)params;
+
+            if (strncmp((const char *)roleParams->cRole,
+                        "audio_decoder.mp3",
+                        OMX_MAX_STRINGNAME_SIZE - 1)) {
+                return OMX_ErrorUndefined;
+            }
+
+            return OMX_ErrorNone;
+        }
+
+        default:
+            return SimpleSoftOMXComponent::internalSetParameter(index, params);
+    }
+}
+
+void SoftMP3::onQueueFilled(OMX_U32 portIndex) {
+    if (mSignalledError || mOutputPortSettingsChange != NONE) {
+        return;
+    }
+
+    List<BufferInfo *> &inQueue = getPortQueue(0);
+    List<BufferInfo *> &outQueue = getPortQueue(1);
+
+    while (!inQueue.empty() && !outQueue.empty()) {
+        BufferInfo *inInfo = *inQueue.begin();
+        OMX_BUFFERHEADERTYPE *inHeader = inInfo->mHeader;
+
+        BufferInfo *outInfo = *outQueue.begin();
+        OMX_BUFFERHEADERTYPE *outHeader = outInfo->mHeader;
+
+        if (inHeader->nFlags & OMX_BUFFERFLAG_EOS) {
+            inQueue.erase(inQueue.begin());
+            inInfo->mOwnedByUs = false;
+            notifyEmptyBufferDone(inHeader);
+
+            outHeader->nFilledLen = 0;
+            outHeader->nFlags = OMX_BUFFERFLAG_EOS;
+
+            outQueue.erase(outQueue.begin());
+            outInfo->mOwnedByUs = false;
+            notifyFillBufferDone(outHeader);
+            return;
+        }
+
+        if (inHeader->nOffset == 0) {
+            mAnchorTimeUs = inHeader->nTimeStamp;
+            mNumFramesOutput = 0;
+        }
+
+        mConfig->pInputBuffer =
+            inHeader->pBuffer + inHeader->nOffset;
+
+        mConfig->inputBufferCurrentLength = inHeader->nFilledLen;
+        mConfig->inputBufferMaxLength = 0;
+        mConfig->inputBufferUsedLength = 0;
+
+        mConfig->outputFrameSize = kOutputBufferSize / sizeof(int16_t);
+
+        mConfig->pOutputBuffer =
+            reinterpret_cast<int16_t *>(outHeader->pBuffer);
+
+        ERROR_CODE decoderErr;
+        if ((decoderErr = pvmp3_framedecoder(mConfig, mDecoderBuf))
+                != NO_DECODING_ERROR) {
+            LOGV("mp3 decoder returned error %d", decoderErr);
+
+            if (decoderErr != NO_ENOUGH_MAIN_DATA_ERROR ||
+                    mConfig->outputFrameSize == 0) {
+
+                if (mConfig->outputFrameSize == 0) {
+                    LOGE("Output frame size is 0");
+                }
+
+                notify(OMX_EventError, OMX_ErrorUndefined, decoderErr, NULL);
+                mSignalledError = true;
+                return;
+            }
+
+            // This is recoverable, just ignore the current frame and
+            // play silence instead.
+            memset(outHeader->pBuffer,
+                   0,
+                   mConfig->outputFrameSize * sizeof(int16_t));
+
+            mConfig->inputBufferUsedLength = inHeader->nFilledLen;
+        } else if (mConfig->samplingRate != mSamplingRate
+                || mConfig->num_channels != mNumChannels) {
+            mSamplingRate = mConfig->samplingRate;
+            mNumChannels = mConfig->num_channels;
+
+            notify(OMX_EventPortSettingsChanged, 1, 0, NULL);
+            mOutputPortSettingsChange = AWAITING_DISABLED;
+            return;
+        }
+
+        outHeader->nOffset = 0;
+        outHeader->nFilledLen = mConfig->outputFrameSize * sizeof(int16_t);
+
+        outHeader->nTimeStamp =
+            mAnchorTimeUs
+                + (mNumFramesOutput * 1000000ll) / mConfig->samplingRate;
+
+        outHeader->nFlags = 0;
+
+        CHECK_GE(inHeader->nFilledLen, mConfig->inputBufferUsedLength);
+
+        inHeader->nOffset += mConfig->inputBufferUsedLength;
+        inHeader->nFilledLen -= mConfig->inputBufferUsedLength;
+
+        mNumFramesOutput += mConfig->outputFrameSize / mNumChannels;
+
+        if (inHeader->nFilledLen == 0) {
+            inInfo->mOwnedByUs = false;
+            inQueue.erase(inQueue.begin());
+            inInfo = NULL;
+            notifyEmptyBufferDone(inHeader);
+            inHeader = NULL;
+        }
+
+        outInfo->mOwnedByUs = false;
+        outQueue.erase(outQueue.begin());
+        outInfo = NULL;
+        notifyFillBufferDone(outHeader);
+        outHeader = NULL;
+    }
+}
+
+void SoftMP3::onPortFlushCompleted(OMX_U32 portIndex) {
+    if (portIndex == 0) {
+        // Make sure that the next buffer output does not still
+        // depend on fragments from the last one decoded.
+        pvmp3_InitDecoder(mConfig, mDecoderBuf);
+    }
+}
+
+void SoftMP3::onPortEnableCompleted(OMX_U32 portIndex, bool enabled) {
+    if (portIndex != 1) {
+        return;
+    }
+
+    switch (mOutputPortSettingsChange) {
+        case NONE:
+            break;
+
+        case AWAITING_DISABLED:
+        {
+            CHECK(!enabled);
+            mOutputPortSettingsChange = AWAITING_ENABLED;
+            break;
+        }
+
+        default:
+        {
+            CHECK_EQ((int)mOutputPortSettingsChange, (int)AWAITING_ENABLED);
+            CHECK(enabled);
+            mOutputPortSettingsChange = NONE;
+            break;
+        }
+    }
+}
+
+}  // namespace android
+
+android::SoftOMXComponent *createSoftOMXComponent(
+        const char *name, const OMX_CALLBACKTYPE *callbacks,
+        OMX_PTR appData, OMX_COMPONENTTYPE **component) {
+    return new android::SoftMP3(name, callbacks, appData, component);
+}
diff --git a/media/libstagefright/codecs/mp3dec/SoftMP3.h b/media/libstagefright/codecs/mp3dec/SoftMP3.h
new file mode 100644
index 0000000..70d0682
--- /dev/null
+++ b/media/libstagefright/codecs/mp3dec/SoftMP3.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2011 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 SOFT_MP3_H_
+
+#define SOFT_MP3_H_
+
+#include "SimpleSoftOMXComponent.h"
+
+struct tPVMP3DecoderExternal;
+
+namespace android {
+
+struct SoftMP3 : public SimpleSoftOMXComponent {
+    SoftMP3(const char *name,
+            const OMX_CALLBACKTYPE *callbacks,
+            OMX_PTR appData,
+            OMX_COMPONENTTYPE **component);
+
+protected:
+    virtual ~SoftMP3();
+
+    virtual OMX_ERRORTYPE internalGetParameter(
+            OMX_INDEXTYPE index, OMX_PTR params);
+
+    virtual OMX_ERRORTYPE internalSetParameter(
+            OMX_INDEXTYPE index, const OMX_PTR params);
+
+    virtual void onQueueFilled(OMX_U32 portIndex);
+    virtual void onPortFlushCompleted(OMX_U32 portIndex);
+    virtual void onPortEnableCompleted(OMX_U32 portIndex, bool enabled);
+
+private:
+    enum {
+        kNumBuffers = 4,
+        kOutputBufferSize = 4608 * 2
+    };
+
+    tPVMP3DecoderExternal *mConfig;
+    void *mDecoderBuf;
+    int64_t mAnchorTimeUs;
+    int64_t mNumFramesOutput;
+
+    int32_t mNumChannels;
+    int32_t mSamplingRate;
+
+    bool mConfigured;
+
+    bool mSignalledError;
+
+    enum {
+        NONE,
+        AWAITING_DISABLED,
+        AWAITING_ENABLED
+    } mOutputPortSettingsChange;
+
+    void initPorts();
+    void initDecoder();
+
+    DISALLOW_EVIL_CONSTRUCTORS(SoftMP3);
+};
+
+}  // namespace android
+
+#endif  // SOFT_MP3_H_
+
+