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Commit 7cd1b2b3 authored by Kim Sungyeon's avatar Kim Sungyeon Committed by Lajos Molnar
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VT: Add OMX_Video_ControlRateConstant feature 



The OMX_Video_ControlRateConstant is a sutiable OMX option
to stablize encoder bandwidth.

This helps encoder to make more regular bps.

Merged-in: I67a08be8b8a19b573c873e96d317e16c7105084e
Change-Id: I67a08be8b8a19b573c873e96d317e16c7105084e
Signed-off-by: default avatarKim Sungyeon <sy85.kim@samsung.com>
parent d3dba698

media/libmediaplayerservice/StagefrightRecorder.cpp

+19 −0
Original line number Diff line number Diff line
@@ -589,6 +589,16 @@ status_t StagefrightRecorder::setParamVideoEncodingBitRate(int32_t bitRate) { 
    return OK;

}



status_t StagefrightRecorder::setParamVideoBitRateMode(int32_t bitRateMode) {

    ALOGV("setParamVideoBitRateMode: %d", bitRateMode);

    if (bitRateMode < -1) {

        ALOGE("Unsupported video bitrate mode: %d", bitRateMode);

        return BAD_VALUE;

    }

    mVideoBitRateMode = bitRateMode;

    return OK;

}



// Always rotate clockwise, and only support 0, 90, 180 and 270 for now.

status_t StagefrightRecorder::setParamVideoRotation(int32_t degrees) {

    ALOGV("setParamVideoRotation: %d", degrees);
@@ -945,6 +955,11 @@ status_t StagefrightRecorder::setParameter( 
        if (safe_strtoi32(value.string(), &video_bitrate)) {

            return setParamVideoEncodingBitRate(video_bitrate);

        }

    } else if (key == "video-param-bitrate-mode") {

        int32_t video_bitrate_mode;

        if (safe_strtoi32(value.string(), &video_bitrate_mode)) {

            return setParamVideoBitRateMode(video_bitrate_mode);

        }

    } else if (key == "video-param-rotation-angle-degrees") {

        int32_t degrees;

        if (safe_strtoi32(value.string(), &degrees)) {
@@ -1930,6 +1945,8 @@ status_t StagefrightRecorder::setupVideoEncoder( 
    }



    format->setInt32("bitrate", mVideoBitRate);

    // OMX encoder option how to control bitrate

    format->setInt32("bitrate-mode", mVideoBitRateMode);

    format->setInt32("frame-rate", mFrameRate);

    format->setInt32("i-frame-interval", mIFramesIntervalSec);
@@ -2352,6 +2369,8 @@ status_t StagefrightRecorder::reset() { 
    mVideoHeight   = 144;

    mFrameRate     = -1;

    mVideoBitRate  = 192000;

    // Following ACodec's default

    mVideoBitRateMode = OMX_Video_ControlRateVariable;

    mSampleRate    = 8000;

    mAudioChannels = 1;

    mAudioBitRate  = 12200;

media/libmediaplayerservice/StagefrightRecorder.h

+2 −0
Original line number Diff line number Diff line
@@ -119,6 +119,7 @@ private: 
    int32_t mVideoWidth, mVideoHeight;

    int32_t mFrameRate;

    int32_t mVideoBitRate;

    int32_t mVideoBitRateMode;

    int32_t mAudioBitRate;

    int32_t mAudioChannels;

    int32_t mSampleRate;
@@ -215,6 +216,7 @@ private: 
    status_t setParamCaptureFpsEnable(int32_t timeLapseEnable);

    status_t setParamCaptureFps(double fps);

    status_t setParamVideoEncodingBitRate(int32_t bitRate);

    status_t setParamVideoBitRateMode(int32_t bitRateMode);

    status_t setParamVideoIFramesInterval(int32_t seconds);

    status_t setParamVideoEncoderProfile(int32_t profile);

    status_t setParamVideoEncoderLevel(int32_t level);