Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit a9781eed authored by Treehugger Robot's avatar Treehugger Robot Committed by Gerrit Code Review
Browse files

Merge "Remove source code of all the OMX software codec plugins" into main

parents c1c8bd5b 26c99b76
Loading
Loading
Loading
Loading
+0 −44
Original line number Diff line number Diff line
package {
    default_applicable_licenses: [
        "frameworks_av_media_libstagefright_codecs_aacdec_license",
    ],
}

// Added automatically by a large-scale-change
// See: http://go/android-license-faq
license {
    name: "frameworks_av_media_libstagefright_codecs_aacdec_license",
    visibility: [":__subpackages__"],
    license_kinds: [
        "SPDX-license-identifier-Apache-2.0",
    ],
    license_text: [
        "NOTICE",
    ],
}

cc_library_shared {
    name: "libstagefright_soft_aacdec",
    defaults: ["libstagefright_softomx-defaults"],

    srcs: [
        "SoftAAC2.cpp",
        "DrcPresModeWrap.cpp",
    ],

    version_script: "exports.lds",

    sanitize: {
        misc_undefined: [
            "signed-integer-overflow",
            "unsigned-integer-overflow",
        ],
        cfi: true,
    },

    static_libs: ["libFraunhoferAAC"],

    shared_libs: [
        "libcutils",
    ],
}
+0 −371
Original line number Diff line number Diff line
/*
 * Copyright (C) 2014 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 "DrcPresModeWrap.h"

#include <assert.h>

#define LOG_TAG "SoftAAC2_DrcWrapper"
//#define LOG_NDEBUG 0
#include <utils/Log.h>

//#define DRC_PRES_MODE_WRAP_DEBUG

#define GPM_ENCODER_TARGET_LEVEL 64
#define MAX_TARGET_LEVEL 40

CDrcPresModeWrapper::CDrcPresModeWrapper()
{
    mDataUpdate = true;

    /* Data from streamInfo. */
    /* Initialized to the same values as in the aac decoder */
    mStreamPRL = -1;
    mStreamDRCPresMode = -1;
    mStreamNrAACChan = 0;
    mStreamNrOutChan = 0;

    /* Desired values (set by user). */
    /* Initialized to the same values as in the aac decoder */
    mDesTarget = -1;
    mDesAttFactor = 0;
    mDesBoostFactor = 0;
    mDesHeavy = 0;

    mEncoderTarget = -1;

    /* Values from last time. */
    mLastTarget = -2;
    mLastAttFactor = -1;
    mLastBoostFactor = -1;
    mLastHeavy = 0;
}

CDrcPresModeWrapper::~CDrcPresModeWrapper()
{
}

void
CDrcPresModeWrapper::setDecoderHandle(const HANDLE_AACDECODER handle)
{
    mHandleDecoder = handle;
}

void
CDrcPresModeWrapper::submitStreamData(CStreamInfo* pStreamInfo)
{
    assert(pStreamInfo);

    if (mStreamPRL != pStreamInfo->drcProgRefLev) {
        mStreamPRL = pStreamInfo->drcProgRefLev;
        mDataUpdate = true;
#ifdef DRC_PRES_MODE_WRAP_DEBUG
        ALOGV("DRC presentation mode wrapper: drcProgRefLev is %d\n", mStreamPRL);
#endif
    }

    if (mStreamDRCPresMode != pStreamInfo->drcPresMode) {
        mStreamDRCPresMode = pStreamInfo->drcPresMode;
        mDataUpdate = true;
#ifdef DRC_PRES_MODE_WRAP_DEBUG
        ALOGV("DRC presentation mode wrapper: drcPresMode is %d\n", mStreamDRCPresMode);
#endif
    }

    if (mStreamNrAACChan != pStreamInfo->aacNumChannels) {
        mStreamNrAACChan = pStreamInfo->aacNumChannels;
        mDataUpdate = true;
#ifdef DRC_PRES_MODE_WRAP_DEBUG
        ALOGV("DRC presentation mode wrapper: aacNumChannels is %d\n", mStreamNrAACChan);
#endif
    }

    if (mStreamNrOutChan != pStreamInfo->numChannels) {
        mStreamNrOutChan = pStreamInfo->numChannels;
        mDataUpdate = true;
#ifdef DRC_PRES_MODE_WRAP_DEBUG
        ALOGV("DRC presentation mode wrapper: numChannels is %d\n", mStreamNrOutChan);
#endif
    }



    if (mStreamNrOutChan<mStreamNrAACChan) {
        mIsDownmix = true;
    } else {
        mIsDownmix = false;
    }

    if (mIsDownmix && (mStreamNrOutChan == 1)) {
        mIsMonoDownmix = true;
    } else {
        mIsMonoDownmix = false;
    }

    if (mIsDownmix && mStreamNrOutChan == 2){
        mIsStereoDownmix = true;
    } else {
        mIsStereoDownmix = false;
    }

}

void
CDrcPresModeWrapper::setParam(const DRC_PRES_MODE_WRAP_PARAM param, const int value)
{
    switch (param) {
    case DRC_PRES_MODE_WRAP_DESIRED_TARGET:
        mDesTarget = value;
        break;
    case DRC_PRES_MODE_WRAP_DESIRED_ATT_FACTOR:
        mDesAttFactor = value;
        break;
    case DRC_PRES_MODE_WRAP_DESIRED_BOOST_FACTOR:
        mDesBoostFactor = value;
        break;
    case DRC_PRES_MODE_WRAP_DESIRED_HEAVY:
        mDesHeavy = value;
        break;
    case DRC_PRES_MODE_WRAP_ENCODER_TARGET:
        mEncoderTarget = value;
        break;
    default:
        break;
    }
    mDataUpdate = true;
}

void
CDrcPresModeWrapper::update()
{
    // Get Data from Decoder
    int progRefLevel = mStreamPRL;
    int drcPresMode = mStreamDRCPresMode;

    // by default, do as desired
    int newTarget         = mDesTarget;
    int newAttFactor      = mDesAttFactor;
    int newBoostFactor    = mDesBoostFactor;
    int newHeavy          = mDesHeavy;

    if (mDataUpdate) {
        // sanity check
        if ((mDesTarget < MAX_TARGET_LEVEL) && (mDesTarget != -1)){
            mDesTarget = MAX_TARGET_LEVEL;  // limit target level to -10 dB or below
            newTarget = MAX_TARGET_LEVEL;
        }

        if (mEncoderTarget != -1) {
            if (mDesTarget<124) { // if target level > -31 dB
                if ((mIsStereoDownmix == false) && (mIsMonoDownmix == false)) {
                    // no stereo or mono downmixing, calculated scaling of light DRC
                    /* use as little compression as possible */
                    newAttFactor = 0;
                    newBoostFactor = 0;
                    if (mDesTarget<progRefLevel) { // if target level > PRL
                        if (mEncoderTarget < mDesTarget) { // if mEncoderTarget > target level
                            // mEncoderTarget > target level > PRL
                            int calcFactor;
                            float calcFactor_norm;
                            // 0.0f < calcFactor_norm < 1.0f
                            calcFactor_norm = (float)(mDesTarget - progRefLevel) /
                                    (float)(mEncoderTarget - progRefLevel);
                            calcFactor = (int)(calcFactor_norm*127.0f); // 0 <= calcFactor < 127
                            // calcFactor is the lower limit
                            newAttFactor = (calcFactor>newAttFactor) ? calcFactor : newAttFactor;
                            // new AttFactor will be always = calcFactor, as it is set to 0 before.
                            newBoostFactor = newAttFactor;
                        } else {
                            /* target level > mEncoderTarget > PRL */
                            // newTDLimiterEnable = 1;
                            // the time domain limiter must always be active in this case.
                            //     It is assumed that the framework activates it by default
                            newAttFactor = 127;
                            newBoostFactor = 127;
                        }
                    } else { // target level <= PRL
                        // no restrictions required
                        // newAttFactor = newAttFactor;
                    }
                } else { // downmixing
                    // if target level > -23 dB or mono downmix
                    if ( (mDesTarget<92) || mIsMonoDownmix ) {
                        newHeavy = 1;
                    } else {
                        // we perform a downmix, so, we need at least full light DRC
                        newAttFactor = 127;
                    }
                }
            } else { // target level <= -31 dB
                // playback -31 dB: light DRC only needed if we perform downmixing
                if (mIsDownmix) {   // we do downmixing
                    newAttFactor = 127;
                }
            }
        }
        else { // handle other used encoder target levels

            // Validation check: DRC presentation mode is only specified for max. 5.1 channels
            if (mStreamNrAACChan > 6) {
                drcPresMode = 0;
            }

            switch (drcPresMode) {
            case 0:
            default: // presentation mode not indicated
            {

                if (mDesTarget<124) { // if target level > -31 dB
                    // no stereo or mono downmixing
                    if ((mIsStereoDownmix == false) && (mIsMonoDownmix == false)) {
                        if (mDesTarget<progRefLevel) { // if target level > PRL
                            // newTDLimiterEnable = 1;
                            // the time domain limiter must always be active in this case.
                            //    It is assumed that the framework activates it by default
                            newAttFactor = 127; // at least, use light compression
                        } else { // target level <= PRL
                            // no restrictions required
                            // newAttFactor = newAttFactor;
                        }
                    } else { // downmixing
                        // newTDLimiterEnable = 1;
                        // the time domain limiter must always be active in this case.
                        //    It is assumed that the framework activates it by default

                        // if target level > -23 dB or mono downmix
                        if ( (mDesTarget < 92) || mIsMonoDownmix ) {
                            newHeavy = 1;
                        } else{
                            // we perform a downmix, so, we need at least full light DRC
                            newAttFactor = 127;
                        }
                    }
                } else { // target level <= -31 dB
                    if (mIsDownmix) {   // we do downmixing.
                        // newTDLimiterEnable = 1;
                        // the time domain limiter must always be active in this case.
                        //    It is assumed that the framework activates it by default
                        newAttFactor = 127;
                    }
                }
            }
            break;

            // Presentation mode 1 and 2 according to ETSI TS 101 154:
            // Digital Video Broadcasting (DVB); Specification for the use of Video and Audio Coding
            // in Broadcasting Applications based on the MPEG-2 Transport Stream,
            // section C.5.4., "Decoding", and Table C.33
            // ISO DRC            -> newHeavy = 0  (Use light compression, MPEG-style)
            // Compression_value  -> newHeavy = 1  (Use heavy compression, DVB-style)
            // scaling restricted -> newAttFactor = 127

            case 1: // presentation mode 1, Light:-31/Heavy:-23
            {
                if (mDesTarget < 124) { // if target level > -31 dB
                    // playback up to -23 dB
                    newHeavy = 1;
                } else { // target level <= -31 dB
                    // playback -31 dB
                    if (mIsDownmix) {   // we do downmixing.
                        newAttFactor = 127;
                    }
                }
            }
            break;

            case 2: // presentation mode 2, Light:-23/Heavy:-23
            {
                if (mDesTarget < 124) { // if target level > -31 dB
                    // playback up to -23 dB
                    if (mIsMonoDownmix) { // if mono downmix
                        newHeavy = 1;
                    } else {
                        newHeavy = 0;
                        newAttFactor = 127;
                    }
                } else { // target level <= -31 dB
                    // playback -31 dB
                    newHeavy = 0;
                    if (mIsDownmix) {   // we do downmixing.
                        newAttFactor = 127;
                    }
                }
            }
            break;

            } // switch()
        } // if (mEncoderTarget  == GPM_ENCODER_TARGET_LEVEL)

        // validation check again
        if (newHeavy == 1) {
            newBoostFactor=127; // not really needed as the same would be done by the decoder anyway
            newAttFactor = 127;
        }

        // update the decoder
        if (newTarget != mLastTarget) {
            aacDecoder_SetParam(mHandleDecoder, AAC_DRC_REFERENCE_LEVEL, newTarget);
            mLastTarget = newTarget;
#ifdef DRC_PRES_MODE_WRAP_DEBUG
            if (newTarget != mDesTarget)
                ALOGV("DRC presentation mode wrapper: forced target level to %d (from %d)\n", newTarget, mDesTarget);
            else
                ALOGV("DRC presentation mode wrapper: set target level to %d\n", newTarget);
#endif
        }

        if (newAttFactor != mLastAttFactor) {
            aacDecoder_SetParam(mHandleDecoder, AAC_DRC_ATTENUATION_FACTOR, newAttFactor);
            mLastAttFactor = newAttFactor;
#ifdef DRC_PRES_MODE_WRAP_DEBUG
            if (newAttFactor != mDesAttFactor)
                ALOGV("DRC presentation mode wrapper: forced attenuation factor to %d (from %d)\n", newAttFactor, mDesAttFactor);
            else
                ALOGV("DRC presentation mode wrapper: set attenuation factor to %d\n", newAttFactor);
#endif
        }

        if (newBoostFactor != mLastBoostFactor) {
            aacDecoder_SetParam(mHandleDecoder, AAC_DRC_BOOST_FACTOR, newBoostFactor);
            mLastBoostFactor = newBoostFactor;
#ifdef DRC_PRES_MODE_WRAP_DEBUG
            if (newBoostFactor != mDesBoostFactor)
                ALOGV("DRC presentation mode wrapper: forced boost factor to %d (from %d)\n",
                        newBoostFactor, mDesBoostFactor);
            else
                ALOGV("DRC presentation mode wrapper: set boost factor to %d\n", newBoostFactor);
#endif
        }

        if (newHeavy != mLastHeavy) {
            aacDecoder_SetParam(mHandleDecoder, AAC_DRC_HEAVY_COMPRESSION, newHeavy);
            mLastHeavy = newHeavy;
#ifdef DRC_PRES_MODE_WRAP_DEBUG
            if (newHeavy != mDesHeavy)
                ALOGV("DRC presentation mode wrapper: forced heavy compression to %d (from %d)\n",
                        newHeavy, mDesHeavy);
            else
                ALOGV("DRC presentation mode wrapper: set heavy compression to %d\n", newHeavy);
#endif
        }

#ifdef DRC_PRES_MODE_WRAP_DEBUG
        ALOGV("DRC config: tgt_lev: %3d, cut: %3d, boost: %3d, heavy: %d\n", newTarget,
                newAttFactor, newBoostFactor, newHeavy);
#endif
        mDataUpdate = false;

    } // if (mDataUpdate)
}
+0 −62
Original line number Diff line number Diff line
/*
 * Copyright (C) 2014 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.
 */
#pragma once
#include "aacdecoder_lib.h"

typedef enum
{
    DRC_PRES_MODE_WRAP_DESIRED_TARGET         = 0x0000,
    DRC_PRES_MODE_WRAP_DESIRED_ATT_FACTOR     = 0x0001,
    DRC_PRES_MODE_WRAP_DESIRED_BOOST_FACTOR   = 0x0002,
    DRC_PRES_MODE_WRAP_DESIRED_HEAVY          = 0x0003,
    DRC_PRES_MODE_WRAP_ENCODER_TARGET         = 0x0004
} DRC_PRES_MODE_WRAP_PARAM;


class CDrcPresModeWrapper {
public:
    CDrcPresModeWrapper();
    ~CDrcPresModeWrapper();
    void setDecoderHandle(const HANDLE_AACDECODER handle);
    void setParam(const DRC_PRES_MODE_WRAP_PARAM param, const int value);
    void submitStreamData(CStreamInfo*);
    void update();

protected:
    HANDLE_AACDECODER mHandleDecoder;
    int mDesTarget;
    int mDesAttFactor;
    int mDesBoostFactor;
    int mDesHeavy;

    int mEncoderTarget;

    int mLastTarget;
    int mLastAttFactor;
    int mLastBoostFactor;
    int mLastHeavy;

    SCHAR mStreamPRL;
    SCHAR mStreamDRCPresMode;
    INT mStreamNrAACChan;
    INT mStreamNrOutChan;

    bool mIsDownmix;
    bool mIsMonoDownmix;
    bool mIsStereoDownmix;

    bool mDataUpdate;
};
+0 −0

Empty file deleted.

+0 −190

File deleted.

Preview size limit exceeded, changes collapsed.

Loading