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      1 /*
      2  * Copyright (C) 2013 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 #include "MediaSourcePrivateImpl.h"
     33 
     34 #include "SourceBufferPrivateImpl.h"
     35 #include "WebMediaSourceClient.h"
     36 #include "WebSourceBuffer.h"
     37 #include <algorithm>
     38 #include <limits>
     39 #include "wtf/PassOwnPtr.h"
     40 #include "wtf/text/WTFString.h"
     41 
     42 namespace WebKit {
     43 
     44 MediaSourcePrivateImpl::MediaSourcePrivateImpl(PassOwnPtr<WebKit::WebMediaSourceClient> client)
     45     : m_client(client)
     46 {
     47 }
     48 
     49 WebCore::MediaSourcePrivate::AddStatus MediaSourcePrivateImpl::addSourceBuffer(const String& type, const CodecsArray& codecs,
     50     OwnPtr<WebCore::SourceBufferPrivate>* sourceBuffer)
     51 {
     52     if (!m_client)
     53         return WebCore::MediaSourcePrivate::NotSupported;
     54 
     55     WebSourceBuffer* webSourceBuffer = 0;
     56     WebCore::MediaSourcePrivate::AddStatus result =
     57         static_cast<WebCore::MediaSourcePrivate::AddStatus>(m_client->addSourceBuffer(type, codecs, &webSourceBuffer));
     58 
     59     if (result == WebCore::MediaSourcePrivate::Ok) {
     60         ASSERT(webSourceBuffer);
     61         *sourceBuffer = adoptPtr(new SourceBufferPrivateImpl(adoptPtr(webSourceBuffer)));
     62     }
     63     return result;
     64 }
     65 
     66 double MediaSourcePrivateImpl::duration()
     67 {
     68     if (!m_client)
     69         return std::numeric_limits<float>::quiet_NaN();
     70 
     71     return m_client->duration();
     72 }
     73 
     74 void MediaSourcePrivateImpl::setDuration(double duration)
     75 {
     76     if (m_client)
     77         m_client->setDuration(duration);
     78 }
     79 
     80 void MediaSourcePrivateImpl::markEndOfStream(WebCore::MediaSourcePrivate::EndOfStreamStatus status)
     81 {
     82     if (m_client)
     83         m_client->markEndOfStream(static_cast<WebMediaSourceClient::EndOfStreamStatus>(status));
     84 }
     85 
     86 void MediaSourcePrivateImpl::unmarkEndOfStream()
     87 {
     88     if (m_client)
     89         m_client->unmarkEndOfStream();
     90 }
     91 
     92 }
     93