From 7f6002caba3f0a6749820c2772161caf55b8d267 Mon Sep 17 00:00:00 2001
From: neonloop
Date: Fri, 7 May 2021 20:00:12 +0000
Subject: Initial commit (uqm-0.8.0)

---
 src/libs/video/videodec.h | 124 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 124 insertions(+)
 create mode 100644 src/libs/video/videodec.h

(limited to 'src/libs/video/videodec.h')

diff --git a/src/libs/video/videodec.h b/src/libs/video/videodec.h
new file mode 100644
index 0000000..2d75c98
--- /dev/null
+++ b/src/libs/video/videodec.h
@@ -0,0 +1,124 @@
+/*
+ *  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 2 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, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef LIBS_VIDEO_VIDEODEC_H_
+#define LIBS_VIDEO_VIDEODEC_H_
+
+#include "libs/vidlib.h"
+#include "libs/video/video.h"
+#include "libs/reslib.h"
+
+// forward-declare
+typedef struct tfb_videodecoder TFB_VideoDecoder;
+
+#define THIS_PTR TFB_VideoDecoder*
+
+typedef struct tfb_videodecoderfunc
+{
+	const char* (* GetName) (void);
+	bool (* InitModule) (int flags);
+	void (* TermModule) (void);
+	uint32 (* GetStructSize) (void);
+	int (* GetError) (THIS_PTR);
+	bool (* Init) (THIS_PTR, TFB_PixelFormat* fmt);
+	void (* Term) (THIS_PTR);
+	bool (* Open) (THIS_PTR, uio_DirHandle *dir, const char *filename);
+	void (* Close) (THIS_PTR);
+	int (* DecodeNext) (THIS_PTR);
+	uint32 (* SeekFrame) (THIS_PTR, uint32 frame);
+	float (* SeekTime) (THIS_PTR, float time);
+	uint32 (* GetFrame) (THIS_PTR);
+	float (* GetTime) (THIS_PTR);
+
+} TFB_VideoDecoderFuncs;
+
+// decoder will call these to get info
+// from the player
+typedef struct tfb_videocallbacks
+{
+	// any decoder calls these
+	void (* BeginFrame) (THIS_PTR);
+	void (* EndFrame) (THIS_PTR);
+	void* (* GetCanvasLine) (THIS_PTR, uint32 line);
+	// non-audio-driven decoders call this to figure out
+	// when the next frame should be drawn
+	uint32 (* GetTicks) (THIS_PTR);
+	// non-audio-driven decoders call this to inform
+	// the player when the next frame should be drawn
+	bool (* SetTimer) (THIS_PTR, uint32 msecs);
+
+} TFB_VideoCallbacks;
+
+#undef THIS_PTR
+
+struct tfb_videodecoder
+{
+	// decoder virtual funcs - R/O
+	const TFB_VideoDecoderFuncs *funcs;
+	// video formats - R/O
+	const TFB_PixelFormat *format;
+	// decoder-set data - R/O
+	uint32 w, h;
+	float length; // total length in seconds
+	uint32 frame_count;
+	uint32 interframe_wait; // nominal interframe delay in msecs
+	bool audio_synced;
+	// decoder callbacks
+	TFB_VideoCallbacks callbacks;
+
+	// other - public
+	bool looping;
+	void* data; // user-defined data
+	// info - public R/O
+	sint32 error;
+	float pos; // position in seconds
+	uint32 cur_frame;
+
+	// semi-private
+	uio_DirHandle *dir;
+	char *filename;
+
+};
+
+// return values
+enum
+{
+	VIDEODECODER_OK,
+	VIDEODECODER_ERROR,
+	VIDEODECODER_EOF,
+};
+
+typedef struct TFB_RegVideoDecoder TFB_RegVideoDecoder;
+
+TFB_RegVideoDecoder* VideoDecoder_Register (const char* fileext,
+		TFB_VideoDecoderFuncs* decvtbl);
+void VideoDecoder_Unregister (TFB_RegVideoDecoder* regdec);
+const TFB_VideoDecoderFuncs* VideoDecoder_Lookup (const char* fileext);
+
+bool VideoDecoder_Init (int flags, int depth, uint32 Rmask, uint32 Gmask,
+		uint32 Bmask, uint32 Amask);
+void VideoDecoder_Uninit (void);
+TFB_VideoDecoder* VideoDecoder_Load (uio_DirHandle *dir,
+		const char *filename);
+int VideoDecoder_Decode (TFB_VideoDecoder *decoder);
+float VideoDecoder_Seek (TFB_VideoDecoder *decoder, float time_pos);
+uint32 VideoDecoder_SeekFrame (TFB_VideoDecoder *decoder, uint32 frame_pos);
+void VideoDecoder_Rewind (TFB_VideoDecoder *decoder);
+void VideoDecoder_Free (TFB_VideoDecoder *decoder);
+const char* VideoDecoder_GetName (TFB_VideoDecoder *decoder);
+
+
+#endif // LIBS_VIDEO_VIDEODEC_H_
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