#include <core/video_format.h>
#include <core/frame/pixel_format.h>
-#include <core/mixer/audio/audio_mixer.h>
+#include <core/frame/audio_channel_layout.h>
+#include <core/frame/frame.h>
#include <core/fwd.h>
#include <boost/rational.hpp>
#include <array>
+#include <vector>
+#include <utility>
#if defined(_MSC_VER)
#pragma warning (push)
struct AVCodecContext;
namespace caspar { namespace ffmpeg {
-
+
+typedef std::vector<std::pair<std::string, std::string>> ffmpeg_options;
+
// Utils
core::field_mode get_mode(const AVFrame& frame);
bool is_sane_fps(AVRational time_base);
AVRational fix_time_base(AVRational time_base);
+std::shared_ptr<core::mutable_audio_buffer> flush_audio();
+std::shared_ptr<core::mutable_audio_buffer> empty_audio();
+std::shared_ptr<AVFrame> flush_video();
+std::shared_ptr<AVFrame> empty_video();
+
double read_fps(AVFormatContext& context, double fail_value);
+boost::rational<int> read_framerate(AVFormatContext& context, const boost::rational<int>& fail_value);
std::wstring print_mode(int width, int height, double fps, bool interlaced);
bool is_valid_file(const std::wstring& filename, bool only_video);
bool try_get_duration(const std::wstring filename, std::int64_t& duration, boost::rational<std::int64_t>& time_base);
-core::audio_channel_layout get_audio_channel_layout(const AVCodecContext& codec_context, const std::wstring& channel_layout_spec);
+core::audio_channel_layout get_audio_channel_layout(int num_channels, std::uint64_t layout, const std::wstring& channel_layout_spec);
// av_get_default_channel_layout does not work for layouts not predefined in ffmpeg. This is needed to support > 8 channels.
-std::int64_t create_channel_layout_bitmask(int num_channels);
+std::uint64_t create_channel_layout_bitmask(int num_channels);
+
+std::vector<int> find_audio_cadence(const boost::rational<int>& framerate);
}}