Merge "ACodec: don't enable B frames for AVC by default"

        h264type.nRefFrames = 2;

        h264type.nBFrames = mLatency == 0 ? 1 : std::min(1U, mLatency - 1);

        // disable B-frames until MPEG4Writer can guarantee finalizing files with B-frames

        // h264type.nRefFrames = 1;

        // h264type.nBFrames = 0;

        // disable B-frames until we have explicit settings for enabling the feature.

        h264type.nRefFrames = 1;

        h264type.nBFrames = 0;

        h264type.nPFrames = setPFramesSpacing(iFrameInterval, frameRate, h264type.nBFrames);

        h264type.nAllowedPictureTypes =