improved render channel count system

2020-11-15 22:16:40 +11:00
parent ee5307336e
commit 0d0766e4fb
83 changed files with 1017 additions and 1132 deletions
@@ -0,0 +1,63 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#ifndef FFMPEGABSTRACTION_H
+#define FFMPEGABSTRACTION_H
+
+extern "C" {
+#include <libavformat/avformat.h>
+}
+
+#include "render/audioparams.h"
+#include "render/videoparams.h"
+
+OLIVE_NAMESPACE_ENTER
+
+class FFmpegUtils {
+public:
+  /**
+   * @brief Returns an AVPixelFormat that can be used to convert a frame to a data type Olive supports with minimal data loss
+   */
+  static AVPixelFormat GetCompatiblePixelFormat(const AVPixelFormat& pix_fmt);
+
+  /**
+   * @brief Returns a native pixel format that can be used to convert from a native frame to an AVFrame with minimal data loss
+   */
+  static VideoParams::Format GetCompatiblePixelFormat(const VideoParams::Format& pix_fmt);
+
+  /**
+   * @brief Returns an FFmpeg pixel format for a given native pixel format
+   */
+  static AVPixelFormat GetFFmpegPixelFormat(const VideoParams::Format& pix_fmt, int channel_layout);
+
+  /**
+   * @brief Returns a native sample format type for a given AVSampleFormat
+   */
+  static AudioParams::Format GetNativeSampleFormat(const AVSampleFormat& smp_fmt);
+
+  /**
+   * @brief Returns an FFmpeg sample format type for a given native type
+   */
+  static AVSampleFormat GetFFmpegSampleFormat(const AudioParams::Format &smp_fmt);
+};
+
+OLIVE_NAMESPACE_EXIT
+
+#endif // FFMPEGABSTRACTION_H