2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
\r
4 * This file is part of CasparCG (www.casparcg.com).
\r
6 * CasparCG is free software: you can redistribute it and/or modify
\r
7 * it under the terms of the GNU General Public License as published by
\r
8 * the Free Software Foundation, either version 3 of the License, or
\r
9 * (at your option) any later version.
\r
11 * CasparCG is distributed in the hope that it will be useful,
\r
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
\r
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
\r
14 * GNU General Public License for more details.
\r
16 * You should have received a copy of the GNU General Public License
\r
17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
\r
19 * Author: Robert Nagy, ronag89@gmail.com
\r
24 #include <common/forward.h>
\r
25 #include <common/memory.h>
\r
27 #include <core/video_format.h>
\r
28 #include <core/frame/pixel_format.h>
\r
29 #include <core/mixer/audio/audio_mixer.h>
\r
35 struct AVFormatContext;
\r
38 struct AVCodecContext;
\r
40 FORWARD2(caspar, core, struct pixel_format_desc);
\r
41 FORWARD2(caspar, core, class mutable_frame);
\r
42 FORWARD2(caspar, core, class frame_factory);
\r
44 namespace caspar { namespace ffmpeg {
\r
46 std::shared_ptr<core::audio_buffer> flush_audio();
\r
47 std::shared_ptr<core::audio_buffer> empty_audio();
\r
48 std::shared_ptr<AVFrame> flush_video();
\r
49 std::shared_ptr<AVFrame> empty_video();
\r
53 static const int CASPAR_PIX_FMT_LUMA = 10; // Just hijack some unual pixel format.
\r
55 core::field_mode get_mode(const AVFrame& frame);
\r
56 int make_alpha_format(int format); // NOTE: Be careful about CASPAR_PIX_FMT_LUMA, change it to PIX_FMT_GRAY8 if you want to use the frame inside some ffmpeg function.
\r
57 core::mutable_frame make_frame(const void* tag, const spl::shared_ptr<AVFrame>& decoded_frame, double fps, core::frame_factory& frame_factory, int flags);
\r
58 spl::shared_ptr<AVFrame> make_av_frame(core::mutable_frame& frame);
\r
59 spl::shared_ptr<AVFrame> make_av_frame(core::const_frame& frame);
\r
60 spl::shared_ptr<AVFrame> make_av_frame(std::array<uint8_t*, 4> data, const core::pixel_format_desc& pix_desc);
\r
62 core::pixel_format_desc pixel_format_desc(PixelFormat pix_fmt, int width, int height);
\r
64 spl::shared_ptr<AVPacket> create_packet();
\r
66 spl::shared_ptr<AVCodecContext> open_codec(AVFormatContext& context, enum AVMediaType type, int& index);
\r
67 spl::shared_ptr<AVFormatContext> open_input(const std::wstring& filename);
\r
69 bool is_sane_fps(AVRational time_base);
\r
70 AVRational fix_time_base(AVRational time_base);
\r
72 double read_fps(AVFormatContext& context, double fail_value);
\r
74 std::wstring print_mode(int width, int height, double fps, bool interlaced);
\r
76 std::wstring probe_stem(const std::wstring stem);
\r
77 bool is_valid_file(const std::wstring filename);
\r