48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef MEDIA_WEBM_WEBM_INFO_PARSER_H_
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#define MEDIA_WEBM_WEBM_INFO_PARSER_H_
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#include "base/compiler_specific.h"
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#include "media/base/media_export.h"
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#include "media/webm/webm_parser.h"
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namespace media {
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// Parser for WebM Info element.
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class MEDIA_EXPORT WebMInfoParser : public WebMParserClient {
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public:
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WebMInfoParser();
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virtual ~WebMInfoParser();
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// Parses a WebM Info element in |buf|.
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//
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// Returns -1 if the parse fails.
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// Returns 0 if more data is needed.
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// Returns the number of bytes parsed on success.
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int Parse(const uint8* buf, int size);
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int64 timecode_scale() const { return timecode_scale_; }
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double duration() const { return duration_; }
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private:
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// WebMParserClient methods
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virtual WebMParserClient* OnListStart(int id) OVERRIDE;
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virtual bool OnListEnd(int id) OVERRIDE;
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virtual bool OnUInt(int id, int64 val) OVERRIDE;
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virtual bool OnFloat(int id, double val) OVERRIDE;
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virtual bool OnBinary(int id, const uint8* data, int size) OVERRIDE;
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virtual bool OnString(int id, const std::string& str) OVERRIDE;
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int64 timecode_scale_;
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double duration_;
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DISALLOW_COPY_AND_ASSIGN(WebMInfoParser);
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};
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} // namespace media
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#endif // MEDIA_WEBM_WEBM_INFO_PARSER_H_
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