An HTTP datasource for stagefright using the chromium code.

Use of this new datasource is now the default unless overwritten by

adb shell setprop media.stagefright.use-chromium false

Change-Id: I156a8eb9a1fff1cb537b4aec6cf3e8e6052be81e

1 files changed, 454 insertions, 0 deletions

diff --git a/media/libstagefright/chromium_http/support.cpp b/media/libstagefright/chromium_http/support.cpp
new file mode 100644
index 0000000..d1380f0
--- /dev/null
+++ b/media/libstagefright/chromium_http/support.cpp
@@ -0,0 +1,454 @@
+/*
+ * 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_NDEBUG 0
+#define LOG_TAG "ChromiumHTTPDataSourceSupport"
+#include <utils/Log.h>
+
+#include <media/stagefright/foundation/AString.h>
+
+#include "support.h"
+
+#include "android/net/android_network_library_impl.h"
+#include "base/thread.h"
+#include "net/base/host_resolver.h"
+#include "net/base/ssl_config_service.h"
+#include "net/http/http_cache.h"
+
+#include "include/ChromiumHTTPDataSource.h"
+
+#include <cutils/properties.h>
+#include <media/stagefright/MediaErrors.h>
+
+namespace android {
+
+static Mutex gNetworkThreadLock;
+static base::Thread *gNetworkThread = NULL;
+static scoped_refptr<URLRequestContext> gReqContext;
+
+static void InitializeNetworkThreadIfNecessary() {
+    Mutex::Autolock autoLock(gNetworkThreadLock);
+    if (gNetworkThread == NULL) {
+        gNetworkThread = new base::Thread("network");
+        base::Thread::Options options;
+        options.message_loop_type = MessageLoop::TYPE_IO;
+        CHECK(gNetworkThread->StartWithOptions(options));
+
+        gReqContext = new SfRequestContext;
+
+        net::AndroidNetworkLibrary::RegisterSharedInstance(
+                new SfNetworkLibrary);
+    }
+}
+
+static void MY_LOGI(const char *s) {
+    LOG_PRI(ANDROID_LOG_INFO, LOG_TAG, "%s", s);
+}
+
+static void MY_LOGV(const char *s) {
+#if !defined(LOG_NDEBUG) || LOG_NDEBUG == 0
+    LOG_PRI(ANDROID_LOG_VERBOSE, LOG_TAG, "%s", s);
+#endif
+}
+
+SfNetLog::SfNetLog()
+    : mNextID(1) {
+}
+
+void SfNetLog::AddEntry(
+        EventType type,
+        const base::TimeTicks &time,
+        const Source &source,
+        EventPhase phase,
+        EventParameters *params) {
+#if 0
+    MY_LOGI(StringPrintf(
+                "AddEntry time=%s type=%s source=%s phase=%s\n",
+                TickCountToString(time).c_str(),
+                EventTypeToString(type),
+                SourceTypeToString(source.type),
+                EventPhaseToString(phase)).c_str());
+#endif
+}
+
+uint32 SfNetLog::NextID() {
+    return mNextID++;
+}
+
+net::NetLog::LogLevel SfNetLog::GetLogLevel() const {
+    return LOG_ALL;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+SfRequestContext::SfRequestContext() {
+    AString ua;
+    ua.append("stagefright/1.2 (Linux;Android ");
+
+#if (PROPERTY_VALUE_MAX < 8)
+#error "PROPERTY_VALUE_MAX must be at least 8"
+#endif
+
+    char value[PROPERTY_VALUE_MAX];
+    property_get("ro.build.version.release", value, "Unknown");
+    ua.append(value);
+    ua.append(")");
+
+    mUserAgent = ua.c_str();
+
+    net_log_ = new SfNetLog;
+
+    host_resolver_ =
+        net::CreateSystemHostResolver(
+                net::HostResolver::kDefaultParallelism,
+                NULL /* resolver_proc */,
+                net_log_);
+
+    ssl_config_service_ =
+        net::SSLConfigService::CreateSystemSSLConfigService();
+
+    proxy_service_ = net::ProxyService::CreateDirect();
+
+    http_transaction_factory_ = new net::HttpCache(
+            host_resolver_,
+            dnsrr_resolver_,
+            dns_cert_checker_.get(),
+            proxy_service_.get(),
+            ssl_config_service_.get(),
+            NULL, // http_auth_handler_factory
+            network_delegate_,
+            net_log_,
+            NULL);  // backend_factory
+}
+
+const std::string &SfRequestContext::GetUserAgent(const GURL &url) const {
+    return mUserAgent;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+SfNetworkLibrary::SfNetworkLibrary() {}
+
+SfNetworkLibrary::VerifyResult SfNetworkLibrary::VerifyX509CertChain(
+        const std::vector<std::string>& cert_chain,
+        const std::string& hostname,
+        const std::string& auth_type) {
+    return VERIFY_OK;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+SfDelegate::SfDelegate()
+    : mOwner(NULL),
+      mURLRequest(NULL),
+      mReadBuffer(new net::IOBufferWithSize(8192)),
+      mNumBytesRead(0),
+      mNumBytesTotal(0),
+      mDataDestination(NULL),
+      mAtEOS(false) {
+    InitializeNetworkThreadIfNecessary();
+}
+
+SfDelegate::~SfDelegate() {
+    CHECK(mURLRequest == NULL);
+}
+
+void SfDelegate::setOwner(ChromiumHTTPDataSource *owner) {
+    mOwner = owner;
+}
+
+void SfDelegate::OnReceivedRedirect(
+            URLRequest *request, const GURL &new_url, bool *defer_redirect) {
+    MY_LOGI("OnReceivedRedirect");
+}
+
+void SfDelegate::OnAuthRequired(
+            URLRequest *request, net::AuthChallengeInfo *auth_info) {
+    MY_LOGI("OnAuthRequired");
+
+    inherited::OnAuthRequired(request, auth_info);
+}
+
+void SfDelegate::OnCertificateRequested(
+            URLRequest *request, net::SSLCertRequestInfo *cert_request_info) {
+    MY_LOGI("OnCertificateRequested");
+
+    inherited::OnCertificateRequested(request, cert_request_info);
+}
+
+void SfDelegate::OnSSLCertificateError(
+            URLRequest *request, int cert_error, net::X509Certificate *cert) {
+    fprintf(stderr, "OnSSLCertificateError cert_error=%d\n", cert_error);
+
+    inherited::OnSSLCertificateError(request, cert_error, cert);
+}
+
+void SfDelegate::OnGetCookies(URLRequest *request, bool blocked_by_policy) {
+    MY_LOGI("OnGetCookies");
+}
+
+void SfDelegate::OnSetCookie(
+        URLRequest *request,
+        const std::string &cookie_line,
+        const net::CookieOptions &options,
+        bool blocked_by_policy) {
+    MY_LOGI("OnSetCookie");
+}
+
+void SfDelegate::OnResponseStarted(URLRequest *request) {
+    if (request->status().status() != URLRequestStatus::SUCCESS) {
+        MY_LOGI(StringPrintf(
+                    "Request failed with status %d and os_error %d",
+                    request->status().status(),
+                    request->status().os_error()).c_str());
+
+        delete mURLRequest;
+        mURLRequest = NULL;
+
+        mOwner->onConnectionFailed(ERROR_IO);
+        return;
+    } else if (mRangeRequested && request->GetResponseCode() != 206) {
+        MY_LOGI(StringPrintf(
+                    "We requested a content range, but server didn't "
+                    "support that. (responded with %d)",
+                    request->GetResponseCode()).c_str());
+
+        delete mURLRequest;
+        mURLRequest = NULL;
+
+        mOwner->onConnectionFailed(-EPIPE);
+        return;
+    } else if ((request->GetResponseCode() / 100) != 2) {
+        MY_LOGI(StringPrintf(
+                    "Server responded with http status %d",
+                    request->GetResponseCode()).c_str());
+
+        delete mURLRequest;
+        mURLRequest = NULL;
+
+        mOwner->onConnectionFailed(ERROR_IO);
+        return;
+    }
+
+    MY_LOGV("OnResponseStarted");
+
+    std::string headers;
+    request->GetAllResponseHeaders(&headers);
+
+    MY_LOGV(StringPrintf("response headers: %s", headers.c_str()).c_str());
+
+    mOwner->onConnectionEstablished(request->GetExpectedContentSize());
+}
+
+void SfDelegate::OnReadCompleted(URLRequest *request, int bytes_read) {
+    if (bytes_read == -1) {
+        MY_LOGI(StringPrintf(
+                    "OnReadCompleted, read failed, status %d",
+                    request->status().status()).c_str());
+
+        mOwner->onReadCompleted(ERROR_IO);
+        return;
+    }
+
+    MY_LOGV(StringPrintf("OnReadCompleted, read %d bytes", bytes_read).c_str());
+
+    if (bytes_read < 0) {
+        MY_LOGI(StringPrintf(
+                    "Read failed w/ status %d\n",
+                    request->status().status()).c_str());
+
+        mOwner->onReadCompleted(ERROR_IO);
+        return;
+    } else if (bytes_read == 0) {
+        mAtEOS = true;
+        mOwner->onReadCompleted(mNumBytesRead);
+        return;
+    }
+
+    CHECK_GT(bytes_read, 0);
+    CHECK_LE(mNumBytesRead + bytes_read, mNumBytesTotal);
+
+    memcpy((uint8_t *)mDataDestination + mNumBytesRead,
+           mReadBuffer->data(),
+           bytes_read);
+
+    mNumBytesRead += bytes_read;
+
+    readMore(request);
+}
+
+void SfDelegate::readMore(URLRequest *request) {
+    while (mNumBytesRead < mNumBytesTotal) {
+        size_t copy = mNumBytesTotal - mNumBytesRead;
+        if (copy > mReadBuffer->size()) {
+            copy = mReadBuffer->size();
+        }
+
+        int n;
+        if (request->Read(mReadBuffer, copy, &n)) {
+            MY_LOGV(StringPrintf("Read %d bytes directly.", n).c_str());
+
+            CHECK_LE((size_t)n, copy);
+
+            memcpy((uint8_t *)mDataDestination + mNumBytesRead,
+                   mReadBuffer->data(),
+                   n);
+
+            mNumBytesRead += n;
+
+            if (n == 0) {
+                mAtEOS = true;
+                break;
+            }
+        } else {
+            MY_LOGV("readMore pending read");
+
+            if (request->status().status() != URLRequestStatus::IO_PENDING) {
+                MY_LOGI(StringPrintf(
+                            "Direct read failed w/ status %d\n",
+                            request->status().status()).c_str());
+
+                mOwner->onReadCompleted(ERROR_IO);
+                return;
+            }
+
+            return;
+        }
+    }
+
+    mOwner->onReadCompleted(mNumBytesRead);
+}
+
+void SfDelegate::initiateConnection(
+        const char *uri,
+        const KeyedVector<String8, String8> *headers,
+        off64_t offset) {
+    GURL url(uri);
+
+    MessageLoop *loop = gNetworkThread->message_loop();
+    loop->PostTask(
+            FROM_HERE,
+            NewRunnableFunction(
+                &SfDelegate::OnInitiateConnectionWrapper,
+                this,
+                url,
+                headers,
+                offset));
+
+}
+
+// static
+void SfDelegate::OnInitiateConnectionWrapper(
+        SfDelegate *me, GURL url,
+        const KeyedVector<String8, String8> *headers,
+        off64_t offset) {
+    me->onInitiateConnection(url, headers, offset);
+}
+
+void SfDelegate::onInitiateConnection(
+        const GURL &url,
+        const KeyedVector<String8, String8> *extra,
+        off64_t offset) {
+    CHECK(mURLRequest == NULL);
+
+    mURLRequest = new URLRequest(url, this);
+    mAtEOS = false;
+
+    mRangeRequested = false;
+
+    if (offset != 0 || extra != NULL) {
+        net::HttpRequestHeaders headers =
+            mURLRequest->extra_request_headers();
+
+        if (offset != 0) {
+            headers.AddHeaderFromString(
+                    StringPrintf("Range: bytes=%lld-", offset).c_str());
+
+            mRangeRequested = true;
+        }
+
+        if (extra != NULL) {
+            for (size_t i = 0; i < extra->size(); ++i) {
+                AString s;
+                s.append(extra->keyAt(i).string());
+                s.append(": ");
+                s.append(extra->valueAt(i).string());
+
+                headers.AddHeaderFromString(s.c_str());
+            }
+        }
+
+        mURLRequest->SetExtraRequestHeaders(headers);
+    }
+
+    mURLRequest->set_context(gReqContext);
+
+    mURLRequest->Start();
+}
+
+void SfDelegate::initiateDisconnect() {
+    MessageLoop *loop = gNetworkThread->message_loop();
+    loop->PostTask(
+            FROM_HERE,
+            NewRunnableFunction(
+                &SfDelegate::OnInitiateDisconnectWrapper, this));
+}
+
+// static
+void SfDelegate::OnInitiateDisconnectWrapper(SfDelegate *me) {
+    me->onInitiateDisconnect();
+}
+
+void SfDelegate::onInitiateDisconnect() {
+    mURLRequest->Cancel();
+
+    delete mURLRequest;
+    mURLRequest = NULL;
+
+    mOwner->onDisconnectComplete();
+}
+
+void SfDelegate::initiateRead(void *data, size_t size) {
+    MessageLoop *loop = gNetworkThread->message_loop();
+    loop->PostTask(
+            FROM_HERE,
+            NewRunnableFunction(
+                &SfDelegate::OnInitiateReadWrapper, this, data, size));
+}
+
+// static
+void SfDelegate::OnInitiateReadWrapper(
+        SfDelegate *me, void *data, size_t size) {
+    me->onInitiateRead(data, size);
+}
+
+void SfDelegate::onInitiateRead(void *data, size_t size) {
+    CHECK(mURLRequest != NULL);
+
+    mNumBytesRead = 0;
+    mNumBytesTotal = size;
+    mDataDestination = data;
+
+    if (mAtEOS) {
+        mOwner->onReadCompleted(0);
+        return;
+    }
+
+    readMore(mURLRequest);
+}
+
+}  // namespace android
+