package eu.siacs.conversations.utils; import android.media.MediaCodecInfo; import android.media.MediaFormat; import android.util.Log; import net.ypresto.androidtranscoder.format.MediaFormatExtraConstants; import net.ypresto.androidtranscoder.format.MediaFormatStrategy; import net.ypresto.androidtranscoder.format.OutputFormatUnavailableException; import eu.siacs.conversations.Config; public class Android360pFormatStrategy implements MediaFormatStrategy { private static final int LONGER_LENGTH = 640; private static final int SHORTER_LENGTH = 360; private static final int DEFAULT_VIDEO_BITRATE = 1000 * 1000; private static final int DEFAULT_AUDIO_BITRATE = 128 * 1000; private final int mVideoBitrate; private final int mAudioBitrate; private final int mAudioChannels; public Android360pFormatStrategy() { mVideoBitrate = DEFAULT_VIDEO_BITRATE; mAudioBitrate = DEFAULT_AUDIO_BITRATE; mAudioChannels = 2; } @Override public MediaFormat createVideoOutputFormat(MediaFormat inputFormat) { int width = inputFormat.getInteger(MediaFormat.KEY_WIDTH); int height = inputFormat.getInteger(MediaFormat.KEY_HEIGHT); int longer, shorter, outWidth, outHeight; if (width >= height) { longer = width; shorter = height; outWidth = LONGER_LENGTH; outHeight = SHORTER_LENGTH; } else { shorter = width; longer = height; outWidth = SHORTER_LENGTH; outHeight = LONGER_LENGTH; } if (longer * 9 != shorter * 16) { throw new OutputFormatUnavailableException("This video is not 16:9, and is not able to transcode. (" + width + "x" + height + ")"); } if (shorter <= SHORTER_LENGTH) { Log.d(Config.LOGTAG, "This video is less or equal to 360p, pass-through. (" + width + "x" + height + ")"); return null; } MediaFormat format = MediaFormat.createVideoFormat("video/avc", outWidth, outHeight); // From Nexus 4 Camera in 720p format.setInteger(MediaFormat.KEY_BIT_RATE, mVideoBitrate); format.setInteger(MediaFormat.KEY_FRAME_RATE, 30); format.setInteger(MediaFormat.KEY_I_FRAME_INTERVAL, 3); format.setInteger(MediaFormat.KEY_COLOR_FORMAT, MediaCodecInfo.CodecCapabilities.COLOR_FormatSurface); return format; } @Override public MediaFormat createAudioOutputFormat(MediaFormat inputFormat) { final MediaFormat format = MediaFormat.createAudioFormat(MediaFormatExtraConstants.MIMETYPE_AUDIO_AAC, inputFormat.getInteger(MediaFormat.KEY_SAMPLE_RATE), mAudioChannels); format.setInteger(MediaFormat.KEY_AAC_PROFILE, MediaCodecInfo.CodecProfileLevel.AACObjectLC); format.setInteger(MediaFormat.KEY_BIT_RATE, mAudioBitrate); return format; } }