git.sesse.net Git - casparcg/blob - modules/ffmpeg/producer/input/input.h

   1 /*
   2 * Copyright 2013 Sveriges Television AB http://casparcg.com/
   3 *
   4 * This file is part of CasparCG (www.casparcg.com).
   5 *
   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.
  10 *
  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.
  15 *
  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/>.
  18 *
  19 * Author: Robert Nagy, ronag89@gmail.com
  20 */
  21
  22 #pragma once
  23
  24 #include "../util/util.h"
  25
  26 #include <common/memory.h>
  27
  28 #include <memory>
  29 #include <string>
  30 #include <cstdint>
  31 #include <future>
  32
  33 #include <boost/noncopyable.hpp>
  34 #include <boost/rational.hpp>
  35
  36 struct AVFormatContext;
  37 struct AVPacket;
  38
  39 namespace caspar {
  40
  41 namespace diagnostics {
  42
  43 class graph;
  44
  45 }
  46
  47 namespace ffmpeg {
  48
  49 class input : boost::noncopyable
  50 {
  51 public:
  52         explicit input(const spl::shared_ptr<diagnostics::graph>& graph, const std::wstring& url_or_file, bool loop, uint32_t start, uint32_t length, bool thumbnail_mode, const ffmpeg_options& vid_params);
  53
  54         bool                                                            try_pop(std::shared_ptr<AVPacket>& packet);
  55         bool                                                            eof() const;
  56
  57         void                                                            start(uint32_t value);
  58         uint32_t                                                        start() const;
  59         void                                                            length(uint32_t value);
  60         uint32_t                                                        length() const;
  61         void                                                            loop(bool value);
  62         bool                                                            loop() const;
  63
  64         int                                                                     num_audio_streams() const;
  65         boost::rational<int>                            framerate() const;
  66
  67         std::future<bool>                                       seek(uint32_t target);
  68
  69         spl::shared_ptr<AVFormatContext>        context();
  70 private:
  71         struct implementation;
  72         std::shared_ptr<implementation> impl_;
  73 };
  74
  75
  76 }}