2 * Copyright (c) 2011 Sveriges Television AB <info@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 "display_mode.h"
25 #include "../filter/audio_filter.h"
27 #include <common/forward.h>
28 #include <common/memory.h>
30 #include <core/frame/frame.h>
31 #include <core/mixer/audio/audio_mixer.h>
34 #include <boost/noncopyable.hpp>
35 #include <boost/rational.hpp>
41 namespace caspar { namespace ffmpeg {
43 class frame_muxer : boost::noncopyable
47 boost::rational<int> in_framerate,
48 std::vector<audio_input_pad> audio_input_pads,
49 const spl::shared_ptr<core::frame_factory>& frame_factory,
50 const core::video_format_desc& format_desc,
51 const core::audio_channel_layout& channel_layout,
52 const std::wstring& filter,
53 bool multithreaded_filter);
55 void push(const std::shared_ptr<AVFrame>& video_frame);
56 void push(const std::vector<std::shared_ptr<core::mutable_audio_buffer>>& audio_samples_per_stream);
58 bool video_ready() const;
59 bool audio_ready() const;
61 core::draw_frame poll();
63 boost::rational<int> out_framerate() const;
65 uint32_t calc_nb_frames(uint32_t nb_frames) const;
68 spl::shared_ptr<impl> impl_;