forked from mia/Aegisub
938025acb1
Register functions which create each type of provider rather than the provider types themselves so that the concrete types don't need to be publicly exposed, and use a static list of providers rather than registering them at runtime.
47 lines
1.6 KiB
C++
47 lines
1.6 KiB
C++
// Copyright (c) 2012, Thomas Goyne <plorkyeran@aegisub.org>
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//
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// Permission to use, copy, modify, and distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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/// @file audio_provider_lock.cpp
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/// @brief An audio provider adapter for un-threadsafe audio providers
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/// @ingroup audio_input
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#include "config.h"
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#include "include/aegisub/audio_provider.h"
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#include <libaegisub/util.h>
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#include <memory>
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#include <mutex>
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namespace {
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class LockAudioProvider final : public AudioProviderWrapper {
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mutable std::mutex mutex;
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void FillBuffer(void *buf, int64_t start, int64_t count) const override {
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std::unique_lock<std::mutex> lock(mutex);
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source->GetAudio(buf, start, count);
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}
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public:
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LockAudioProvider(std::unique_ptr<AudioProvider> src)
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: AudioProviderWrapper(std::move(src))
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{
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}
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};
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}
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std::unique_ptr<AudioProvider> CreateLockAudioProvider(std::unique_ptr<AudioProvider> src) {
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return agi::util::make_unique<LockAudioProvider>(std::move(src));
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} |