Motown in-proc streaming framework used to implement media services.
Includes the engine that hosts the various 'parts' that make up in-proc
streaming graphs, as well as the parts that aren't dependendent on
ffmpeg or mojo. framework_create is where ffmpeg and other technologies
will be integrated. For now, the 'Create' functions simply fail.
R=johngro@google.com
Review URL: https://codereview.chromium.org/1577953002 .
diff --git a/services/media/framework/packet.cc b/services/media/framework/packet.cc
new file mode 100644
index 0000000..9b02493
--- /dev/null
+++ b/services/media/framework/packet.cc
@@ -0,0 +1,106 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/logging.h"
+#include "services/media/framework/allocator.h"
+#include "services/media/framework/packet.h"
+
+namespace mojo {
+namespace media {
+
+class PacketImpl : public Packet {
+ public:
+ PacketImpl(
+ int64_t presentation_time,
+ uint64_t duration,
+ bool end_of_stream,
+ uint64_t size,
+ void* payload,
+ Allocator* allocator) :
+ presentation_time_(presentation_time),
+ duration_(duration),
+ end_of_stream_(end_of_stream),
+ size_(size),
+ payload_(payload),
+ allocator_(allocator) {
+ DCHECK((size == 0) == (payload == nullptr));
+ }
+
+ ~PacketImpl() override {};
+
+ int64_t presentation_time() const override { return presentation_time_; }
+
+ uint64_t duration() const override { return duration_; }
+
+ bool end_of_stream() const override { return end_of_stream_; }
+
+ uint64_t size() const override { return size_; }
+
+ void* payload() const override { return payload_; }
+
+ protected:
+ void Release() override {
+ if (payload_ != nullptr && allocator_ != nullptr) {
+ DCHECK(allocator_);
+ allocator_->ReleasePayloadBuffer(size_, payload_);
+ }
+ delete this;
+ }
+
+ private:
+ int64_t presentation_time_;
+ uint64_t duration_;
+ bool end_of_stream_;
+ uint64_t size_;
+ void* payload_;
+ Allocator* allocator_;
+};
+
+// static
+PacketPtr Packet::Create(
+ int64_t presentation_time,
+ uint64_t duration,
+ bool end_of_stream,
+ uint64_t size,
+ void* payload,
+ Allocator* allocator) {
+ DCHECK(payload == nullptr || allocator != nullptr);
+ return PacketPtr(new PacketImpl(
+ presentation_time,
+ duration,
+ end_of_stream,
+ size,
+ payload,
+ allocator));
+}
+
+// static
+PacketPtr Packet::CreateNoAllocator(
+ int64_t presentation_time,
+ uint64_t duration,
+ bool end_of_stream,
+ uint64_t size,
+ void* payload) {
+ return PacketPtr(new PacketImpl(
+ presentation_time,
+ duration,
+ end_of_stream,
+ size,
+ payload,
+ nullptr));
+}
+
+// static
+PacketPtr Packet::CreateEndOfStream(int64_t presentation_time) {
+ return PacketPtr(new PacketImpl(
+ presentation_time,
+ 0, // duration
+ true, // end_of_stream
+ 0, // size
+ nullptr, // payload
+ nullptr)); // allocator
+}
+
+} // namespace media
+} // namespace mojo
