2 * Copyright 2013 Sveriges Television AB http://casparcg.com/
4 * This file is part of CasparCG (www.casparcg.com).
6 * CasparCG is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * CasparCG is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
19 * Author: Robert Nagy, ronag89@gmail.com
24 #include <common/memory.h>
26 #include <core/frame/frame.h>
28 #include <boost/noncopyable.hpp>
32 struct AVFormatContext;
34 namespace caspar { namespace ffmpeg {
36 class audio_decoder : boost::noncopyable
39 explicit audio_decoder(const spl::shared_ptr<AVFormatContext>& context, int out_samplerate);
42 void push(const std::shared_ptr<AVPacket>& packet);
43 std::shared_ptr<core::mutable_audio_buffer> poll();
45 int num_channels() const;
46 uint64_t ffmpeg_channel_layout() const;
48 std::wstring print() const;
50 struct implementation;
51 spl::shared_ptr<implementation> impl_;