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Unified Diff: chromecast/public/media/cast_decoder_buffer.h

Issue 1257013003: Load CMA backend from shared library (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: DCHECK on posted task Created 5 years, 5 months ago
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Index: chromecast/public/media/cast_decoder_buffer.h
diff --git a/chromecast/public/media/cast_decoder_buffer.h b/chromecast/public/media/cast_decoder_buffer.h
new file mode 100644
index 0000000000000000000000000000000000000000..bf3d76cfa3170cfb7276b9062910f44d2b476b17
--- /dev/null
+++ b/chromecast/public/media/cast_decoder_buffer.h
@@ -0,0 +1,53 @@
+// Copyright 2015 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.
+
+#ifndef CHROMECAST_PUBLIC_MEDIA_CAST_DECODER_BUFFER_H_
+#define CHROMECAST_PUBLIC_MEDIA_CAST_DECODER_BUFFER_H_
+
+#include <stdint.h>
+
+#include <cstddef>
+
+#include "stream_id.h"
+
+namespace chromecast {
+namespace media {
+
+class CastDecryptConfig;
+
+// CastDecoderBuffer provides an interface for passing a single frame of audio
+// or video data to the pipeline backend. End-of-stream is indicated by passing
+// a frame where end_of_stream() returns true.
+// Buffer ownership passes to backend when they are pushed (see
+// MediaComponentDevice::PushFrame).
+// TODO(halliwell): consider renaming functions here to camel case.
+class CastDecoderBuffer {
+ public:
+ virtual ~CastDecoderBuffer() {}
+
+ // Returns the stream id of this decoder buffer.
+ virtual StreamId stream_id() const = 0;
+
+ // Returns the PTS of the frame in microseconds.
+ virtual int64_t timestamp() const = 0;
+
+ // Gets the frame data.
+ virtual const uint8_t* data() const = 0;
+
+ // Returns the size of the frame in bytes.
+ virtual size_t data_size() const = 0;
+
+ // Returns the decrypt configuration.
+ // Returns NULL if and only if the buffer is unencrypted.
+ virtual const CastDecryptConfig* decrypt_config() const = 0;
+
+ // Indicates if this is a special frame that indicates the end of the stream.
+ // If true, functions to access the frame content cannot be called.
+ virtual bool end_of_stream() const = 0;
+};
+
+} // namespace media
+} // namespace chromecast
+
+#endif // CHROMECAST_PUBLIC_MEDIA_CAST_DECODER_BUFFER_H_

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