2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
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4 * This file is part of CasparCG (www.casparcg.com).
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6 * CasparCG is free software: you can redistribute it and/or modify
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7 * it under the terms of the GNU General Public License as published by
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8 * the Free Software Foundation, either version 3 of the License, or
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9 * (at your option) any later version.
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11 * CasparCG is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU General Public License for more details.
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16 * You should have received a copy of the GNU General Public License
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17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
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19 * Author: Robert Nagy, ronag89@gmail.com
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24 #include <common/forward.h>
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25 #include <common/memory.h>
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27 #include <core/frame/frame_visitor.h>
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29 #include <tbb/cache_aligned_allocator.h>
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33 FORWARD2(caspar, diagnostics, class graph);
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35 namespace caspar { namespace core {
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37 typedef std::vector<int32_t, tbb::cache_aligned_allocator<int32_t>> audio_buffer;
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39 class audio_mixer sealed : public frame_visitor
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41 audio_mixer(const audio_mixer&);
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42 audio_mixer& operator=(const audio_mixer&);
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53 audio_buffer operator()(const struct video_format_desc& format_desc);
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57 virtual void push(const struct frame_transform& transform);
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58 virtual void visit(const class const_frame& frame);
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65 spl::shared_ptr<impl> impl_;
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