Add colorspace conversion facilities to video pipeline

1 files changed, 46 insertions, 0 deletions

diff --git a/encode_context.h b/encode_context.h
new file mode 100644
index 0000000..88d4d30
--- /dev/null
+++ b/encode_context.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2024 Mikhail Burakov. This file is part of streamer.
+ *
+ * streamer 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.
+ *
+ * streamer 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 streamer.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef STREAMER_ENCODE_CONTEXT_H_
+#define STREAMER_ENCODE_CONTEXT_H_
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+struct EncodeContext;
+struct IoContext;
+
+struct EncodeContextFrame {
+  void* user_data;
+  struct {
+    int fd;
+    uint32_t offset;
+    uint32_t pitch;
+  } const planes[2];
+};
+
+struct EncodeContext* EncodeContextCreate(struct IoContext* io_context,
+                                          uint32_t width, uint32_t height);
+struct EncodeContextFrame* EncodeContextDequeue(
+    struct EncodeContext* encode_context);
+bool EncodeContextQueue(struct EncodeContext* encode_context,
+                        struct EncodeContextFrame* encode_context_frame,
+                        bool encode);
+void EncodeContextDestroy(struct EncodeContext* encode_context);
+
+#endif  // STREAMER_ENCODE_CONTEXT_H_