@SmallTest
public void testLoopbackH264CaptureToTexture() throws InterruptedException {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
Log.i(TAG, "Encode to textures is not supported. Requires KITKAT");
return;
}
// TODO(perkj): If we can always capture to textures, there is no need to check if the
// hardware encoder supports to encode from a texture.
if (!MediaCodecVideoEncoder.isH264HwSupportedUsingTextures()) {
Log.i(TAG, "H264 encode to textures is not supported.");
return;
}
doLoopbackTest(createParametersForVideoCall(VIDEO_CODEC_H264, true), true);
}
private void createMediaConstraintsInternal() {
// Create peer connection constraints.
pcConstraints = new MediaConstraints();
// Enable DTLS for normal calls and disable for loopback calls.
if (peerConnectionParameters.loopback) {
pcConstraints.optional.add(
new MediaConstraints.KeyValuePair(DTLS_SRTP_KEY_AGREEMENT_CONSTRAINT, "false"));
} else {
pcConstraints.optional.add(
new MediaConstraints.KeyValuePair(DTLS_SRTP_KEY_AGREEMENT_CONSTRAINT, "true"));
}
// Check if there is a camera on device and disable video call if not.
numberOfCameras = VideoCapturerAndroid.getDeviceCount();
if (numberOfCameras == 0) {
Log.w(TAG, "No camera on device. Switch to audio only call.");
videoCallEnabled = false;
}
// Create video constraints if video call is enabled.
if (videoCallEnabled) {
videoConstraints = new MediaConstraints();
int videoWidth = peerConnectionParameters.videoWidth;
int videoHeight = peerConnectionParameters.videoHeight;
// If VP8 HW video encoder is supported and video resolution is not
// specified force it to HD.
if ((videoWidth == 0 || videoHeight == 0)
&& peerConnectionParameters.videoCodecHwAcceleration
&& MediaCodecVideoEncoder.isVp8HwSupported()) {
videoWidth = HD_VIDEO_WIDTH;
videoHeight = HD_VIDEO_HEIGHT;
}
// Add video resolution constraints.
if (videoWidth > 0 && videoHeight > 0) {
videoWidth = Math.min(videoWidth, MAX_VIDEO_WIDTH);
videoHeight = Math.min(videoHeight, MAX_VIDEO_HEIGHT);
videoConstraints.mandatory.add(
new KeyValuePair(MIN_VIDEO_WIDTH_CONSTRAINT, Integer.toString(videoWidth)));
videoConstraints.mandatory.add(
new KeyValuePair(MAX_VIDEO_WIDTH_CONSTRAINT, Integer.toString(videoWidth)));
videoConstraints.mandatory.add(
new KeyValuePair(MIN_VIDEO_HEIGHT_CONSTRAINT, Integer.toString(videoHeight)));
videoConstraints.mandatory.add(
new KeyValuePair(MAX_VIDEO_HEIGHT_CONSTRAINT, Integer.toString(videoHeight)));
}
// Add fps constraints.
int videoFps = peerConnectionParameters.videoFps;
if (videoFps > 0) {
videoFps = Math.min(videoFps, MAX_VIDEO_FPS);
videoConstraints.mandatory.add(
new KeyValuePair(MIN_VIDEO_FPS_CONSTRAINT, Integer.toString(videoFps)));
videoConstraints.mandatory.add(
new KeyValuePair(MAX_VIDEO_FPS_CONSTRAINT, Integer.toString(videoFps)));
}
}
// Create audio constraints.
audioConstraints = new MediaConstraints();
// Create SDP constraints.
sdpMediaConstraints = new MediaConstraints();
sdpMediaConstraints.mandatory.add(
new MediaConstraints.KeyValuePair("OfferToReceiveAudio", "true"));
if (videoCallEnabled || peerConnectionParameters.loopback) {
sdpMediaConstraints.mandatory.add(
new MediaConstraints.KeyValuePair("OfferToReceiveVideo", "true"));
} else {
sdpMediaConstraints.mandatory.add(
new MediaConstraints.KeyValuePair("OfferToReceiveVideo", "false"));
}
}