1 files changed, 288 insertions, 0 deletions
diff --git a/media/libaah_rtp/aah_rx_player.cpp b/media/libaah_rtp/aah_rx_player.cpp
new file mode 100644
index 0000000..9dd79fd
--- /dev/null
+++ b/media/libaah_rtp/aah_rx_player.cpp
@@ -0,0 +1,288 @@
+/*
+ * Copyright (C) 2011 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.
+ */
+
+#define LOG_TAG "LibAAH_RTP"
+//#define LOG_NDEBUG 0
+
+#include <binder/IServiceManager.h>
+#include <media/MediaPlayerInterface.h>
+#include <utils/Log.h>
+
+#include "aah_rx_player.h"
+
+namespace android {
+
+const uint32_t AAH_RXPlayer::kRTPRingBufferSize = 1 << 10;
+
+sp<MediaPlayerBase> createAAH_RXPlayer() {
+    sp<MediaPlayerBase> ret = new AAH_RXPlayer();
+    return ret;
+}
+
+AAH_RXPlayer::AAH_RXPlayer()
+        : ring_buffer_(kRTPRingBufferSize)
+        , substreams_(NULL) {
+    thread_wrapper_ = new ThreadWrapper(*this);
+
+    is_playing_          = false;
+    multicast_joined_    = false;
+    transmitter_known_   = false;
+    current_epoch_known_ = false;
+    data_source_set_     = false;
+    sock_fd_             = -1;
+
+    substreams_.setCapacity(4);
+
+    memset(&listen_addr_,      0, sizeof(listen_addr_));
+    memset(&transmitter_addr_, 0, sizeof(transmitter_addr_));
+
+    fetchAudioFlinger();
+}
+
+AAH_RXPlayer::~AAH_RXPlayer() {
+    reset_l();
+    CHECK(substreams_.size() == 0);
+    omx_.disconnect();
+}
+
+status_t AAH_RXPlayer::initCheck() {
+    if (thread_wrapper_ == NULL) {
+        ALOGE("Failed to allocate thread wrapper!");
+        return NO_MEMORY;
+    }
+
+    if (!ring_buffer_.initCheck()) {
+        ALOGE("Failed to allocate reassembly ring buffer!");
+        return NO_MEMORY;
+    }
+
+    // Check for the presense of the common time service by attempting to query
+    // for CommonTime's frequency.  If we get an error back, we cannot talk to
+    // the service at all and should abort now.
+    status_t res;
+    uint64_t freq;
+    res = cc_helper_.getCommonFreq(&freq);
+    if (OK != res) {
+        ALOGE("Failed to connect to common time service!");
+        return res;
+    }
+
+    return omx_.connect();
+}
+
+status_t AAH_RXPlayer::setDataSource(
+        const char *url,
+        const KeyedVector<String8, String8> *headers) {
+    AutoMutex api_lock(&api_lock_);
+    uint32_t a, b, c, d;
+    uint16_t port;
+
+    if (data_source_set_) {
+        return INVALID_OPERATION;
+    }
+
+    if (NULL == url) {
+        return BAD_VALUE;
+    }
+
+    if (5 != sscanf(url, "%*[^:/]://%u.%u.%u.%u:%hu", &a, &b, &c, &d, &port)) {
+        ALOGE("Failed to parse URL \"%s\"", url);
+        return BAD_VALUE;
+    }
+
+    if ((a > 255) || (b > 255) || (c > 255) || (d > 255) || (port == 0)) {
+        ALOGE("Bad multicast address \"%s\"", url);
+        return BAD_VALUE;
+    }
+
+    ALOGI("setDataSource :: %u.%u.%u.%u:%hu", a, b, c, d, port);
+
+    a = (a << 24) | (b << 16) | (c <<  8) | d;
+
+    memset(&listen_addr_, 0, sizeof(listen_addr_));
+    listen_addr_.sin_family      = AF_INET;
+    listen_addr_.sin_port        = htons(port);
+    listen_addr_.sin_addr.s_addr = htonl(a);
+    data_source_set_ = true;
+
+    return OK;
+}
+
+status_t AAH_RXPlayer::setDataSource(int fd, int64_t offset, int64_t length) {
+    return INVALID_OPERATION;
+}
+
+status_t AAH_RXPlayer::setVideoSurface(const sp<Surface>& surface) {
+    return OK;
+}
+
+status_t AAH_RXPlayer::setVideoSurfaceTexture(
+        const sp<ISurfaceTexture>& surfaceTexture) {
+    return OK;
+}
+
+status_t AAH_RXPlayer::prepare() {
+    return OK;
+}
+
+status_t AAH_RXPlayer::prepareAsync() {
+    sendEvent(MEDIA_PREPARED);
+    return OK;
+}
+
+status_t AAH_RXPlayer::start() {
+    AutoMutex api_lock(&api_lock_);
+
+    if (is_playing_) {
+        return OK;
+    }
+
+    status_t res = startWorkThread();
+    is_playing_ = (res == OK);
+    return res;
+}
+
+status_t AAH_RXPlayer::stop() {
+    return pause();
+}
+
+status_t AAH_RXPlayer::pause() {
+    AutoMutex api_lock(&api_lock_);
+    stopWorkThread();
+    CHECK(sock_fd_ < 0);
+    is_playing_ = false;
+    return OK;
+}
+
+bool AAH_RXPlayer::isPlaying() {
+    AutoMutex api_lock(&api_lock_);
+    return is_playing_;
+}
+
+status_t AAH_RXPlayer::seekTo(int msec) {
+    sendEvent(MEDIA_SEEK_COMPLETE);
+    return OK;
+}
+
+status_t AAH_RXPlayer::getCurrentPosition(int *msec) {
+    if (NULL != msec) {
+        *msec = 0;
+    }
+    return OK;
+}
+
+status_t AAH_RXPlayer::getDuration(int *msec) {
+    if (NULL != msec) {
+        *msec = 1;
+    }
+    return OK;
+}
+
+status_t AAH_RXPlayer::reset() {
+    AutoMutex api_lock(&api_lock_);
+    reset_l();
+    return OK;
+}
+
+void AAH_RXPlayer::reset_l() {
+    stopWorkThread();
+    CHECK(sock_fd_ < 0);
+    CHECK(!multicast_joined_);
+    is_playing_ = false;
+    data_source_set_ = false;
+    transmitter_known_ = false;
+    memset(&listen_addr_, 0, sizeof(listen_addr_));
+}
+
+status_t AAH_RXPlayer::setLooping(int loop) {
+    return OK;
+}
+
+player_type AAH_RXPlayer::playerType() {
+    return AAH_RX_PLAYER;
+}
+
+status_t AAH_RXPlayer::setParameter(int key, const Parcel &request) {
+    return ERROR_UNSUPPORTED;
+}
+
+status_t AAH_RXPlayer::getParameter(int key, Parcel *reply) {
+    return ERROR_UNSUPPORTED;
+}
+
+status_t AAH_RXPlayer::invoke(const Parcel& request, Parcel *reply) {
+    if (!reply) {
+        return BAD_VALUE;
+    }
+
+    int32_t magic;
+    status_t err = request.readInt32(&magic);
+    if (err != OK) {
+        reply->writeInt32(err);
+        return OK;
+    }
+
+    if (magic != 0x12345) {
+        reply->writeInt32(BAD_VALUE);
+        return OK;
+    }
+
+    int32_t methodID;
+    err = request.readInt32(&methodID);
+    if (err != OK) {
+        reply->writeInt32(err);
+        return OK;
+    }
+
+    switch (methodID) {
+        // Get Volume
+        case INVOKE_GET_MASTER_VOLUME: {
+            if (audio_flinger_ != NULL) {
+                reply->writeInt32(OK);
+                reply->writeFloat(audio_flinger_->masterVolume());
+            } else {
+                reply->writeInt32(UNKNOWN_ERROR);
+            }
+        } break;
+
+        // Set Volume
+        case INVOKE_SET_MASTER_VOLUME: {
+            float targetVol = request.readFloat();
+            reply->writeInt32(audio_flinger_->setMasterVolume(targetVol));
+        } break;
+
+        default: return BAD_VALUE;
+    }
+
+    return OK;
+}
+
+void AAH_RXPlayer::fetchAudioFlinger() {
+    if (audio_flinger_ == NULL) {
+        sp<IServiceManager> sm = defaultServiceManager();
+        sp<IBinder> binder;
+        binder = sm->getService(String16("media.audio_flinger"));
+
+        if (binder == NULL) {
+            ALOGW("AAH_RXPlayer failed to fetch handle to audio flinger."
+                  " Master volume control will not be possible.");
+        }
+
+        audio_flinger_ = interface_cast<IAudioFlinger>(binder);
+    }
+}
+
+}  // namespace android