55 lines
2.0 KiB
C++
55 lines
2.0 KiB
C++
// Copyright 2014 Google Inc. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file or at
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// https://developers.google.com/open-source/licenses/bsd
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//
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// Muxer utility functions.
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#ifndef MEDIA_BASE_MUXER_UTIL_H_
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#define MEDIA_BASE_MUXER_UTIL_H_
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#include <stdint.h>
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#include <string>
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#include "packager/media/base/key_source.h"
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namespace shaka {
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namespace media {
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class StreamInfo;
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/// Validates the segment template against segment URL construction rule
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/// specified in ISO/IEC 23009-1:2012 5.3.9.4.4.
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/// @param segment_template is the template to be validated.
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/// @return true if the segment template complies with
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// ISO/IEC 23009-1:2012 5.3.9.4.4, false otherwise.
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bool ValidateSegmentTemplate(const std::string& segment_template);
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/// Build the segment name from provided input.
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/// @param segment_template is the segment template pattern, which should
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/// comply with ISO/IEC 23009-1:2012 5.3.9.4.4.
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/// @param segment_start_time specifies the segment start time.
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/// @param segment_index specifies the segment index.
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/// @param bandwidth represents the bit rate, in bits/sec, of the stream.
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/// @return The segment name with identifier substituted.
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std::string GetSegmentName(const std::string& segment_template,
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uint64_t segment_start_time,
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uint64_t segment_start_decode_time,
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uint32_t segment_index,
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uint32_t bandwidth);
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/// Determine the track type for encryption from input.
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/// @param stream_info is the info of the stream.
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/// @param max_sd_pixels is the maximum number of pixels to be considered SD.
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/// Anything above is HD.
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/// @return track type for encryption.
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KeySource::TrackType GetTrackTypeForEncryption(const StreamInfo& stream_info,
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uint32_t max_sd_pixels);
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} // namespace media
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} // namespace shaka
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#endif // MEDIA_BASE_MUXER_UTIL_H_
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