1 files changed, 126 insertions, 0 deletions
diff --git a/tinyMEDIA/src/tmedia_converter_video.c b/tinyMEDIA/src/tmedia_converter_video.c
new file mode 100644
index 0000000..27cc252
--- /dev/null
+++ b/tinyMEDIA/src/tmedia_converter_video.c
@@ -0,0 +1,126 @@
+/*
+* Copyright (C) 2012 Doubango Telecom <http://www.doubango.org>
+*
+* This file is part of Open Source Doubango Framework.
+* 
+* DOUBANGO 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.
+* 
+* DOUBANGO 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 DOUBANGO.
+*
+*/
+
+/**@file tmedia_converter_video.c
+ * @brief Video converter plugin (chroma, rotation, scaling, ...)
+ *
+ * @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
+ *
+ */
+#include "tinymedia/tmedia_converter_video.h"
+
+#include "tsk_debug.h"
+
+/* pointer to all registered converter_videos */
+static const tmedia_converter_video_plugin_def_t* __tmedia_converter_video_plugins[TMED_CONVERTER_VIDEO_MAX_PLUGINS] = {0};
+
+
+tmedia_converter_video_t* tmedia_converter_video_create(tsk_size_t srcWidth, tsk_size_t srcHeight, tmedia_chroma_t srcChroma, tsk_size_t dstWidth, tsk_size_t dstHeight, tmedia_chroma_t dstChroma)
+{
+	tmedia_converter_video_t* converter = tsk_null;
+	const tmedia_converter_video_plugin_def_t* plugin;
+	tsk_size_t i = 0;
+
+	while((i < TMED_CONVERTER_VIDEO_MAX_PLUGINS) && (plugin = __tmedia_converter_video_plugins[i++])){
+		if(plugin->objdef && (converter = tsk_object_new(plugin->objdef))){
+			converter->plugin = plugin;
+			converter->scale_rotated_frames = tsk_true;
+			// must not set other values beacause 'zero' is meaningful
+			if(converter->plugin->init){
+				if(converter->plugin->init(converter, srcWidth, srcHeight, srcChroma, dstWidth, dstHeight, dstChroma)){
+					TSK_DEBUG_ERROR("Failed to initialized the video converter");
+					TSK_OBJECT_SAFE_FREE(converter);
+					continue;
+				}
+			}
+			converter->srcChroma = srcChroma;
+			converter->dstChroma = dstChroma;
+			converter->srcWidth = srcWidth ? srcWidth : dstWidth;
+			converter->srcHeight = srcHeight ? srcHeight : dstHeight;
+			converter->dstWidth = dstWidth ? dstWidth : srcWidth;
+			converter->dstHeight = dstHeight ? dstHeight : srcHeight;
+			break;
+		}
+	}
+
+	return converter;
+}
+
+int tmedia_converter_video_plugin_register(const tmedia_converter_video_plugin_def_t* plugin)
+{
+	tsk_size_t i;
+	if(!plugin){
+		TSK_DEBUG_ERROR("Invalid parameter");
+		return -1;
+	}
+
+	/* add or replace the plugin */
+	for(i = 0; i<TMED_CONVERTER_VIDEO_MAX_PLUGINS; i++){
+		if(!__tmedia_converter_video_plugins[i] || (__tmedia_converter_video_plugins[i] == plugin)){
+			__tmedia_converter_video_plugins[i] = plugin;
+			return 0;
+		}
+	}
+	
+	TSK_DEBUG_ERROR("There are already %d plugins.", TMED_CONVERTER_VIDEO_MAX_PLUGINS);
+	return -2;
+}
+
+tsk_size_t tmedia_converter_video_plugin_registry_count()
+{
+	tsk_size_t count;
+	for(count = 0; 
+		count < TMED_CONVERTER_VIDEO_MAX_PLUGINS && __tmedia_converter_video_plugins[count]; 
+		++count) ;
+	return count;
+}
+
+int tmedia_converter_video_plugin_unregister(const tmedia_converter_video_plugin_def_t* plugin)
+{
+	tsk_size_t i;
+	tsk_bool_t found = tsk_false;
+	if(!plugin){
+		TSK_DEBUG_ERROR("Invalid Parameter");
+		return -1;
+	}
+
+	/* find the plugin to unregister */
+	for(i = 0; i<TMED_CONVERTER_VIDEO_MAX_PLUGINS && __tmedia_converter_video_plugins[i]; i++){
+		if(__tmedia_converter_video_plugins[i] == plugin){
+			__tmedia_converter_video_plugins[i] = tsk_null;
+			found = tsk_true;
+			break;
+		}
+	}
+
+	/* compact */
+	if(found){
+		for(; i<(TMED_CONVERTER_VIDEO_MAX_PLUGINS - 1); i++){
+			if(__tmedia_converter_video_plugins[i+1]){
+				__tmedia_converter_video_plugins[i] = __tmedia_converter_video_plugins[i+1];
+			}
+			else{
+				break;
+			}
+		}
+		__tmedia_converter_video_plugins[i] = tsk_null;
+	}
+	return (found ? 0 : -2);
+}