WIP add experimental vorbis codec

made it like a codec mod so we can share the same code in case opus is fully supported in webm
add -lvorbis -lvorbisenc to Makefile
the audio is still completely silence, hope we can find out why

src/mod/formats/mod_webm/mod_webm.cpp

@@ -37,6 +37,7 @@
 
 // using mkvmuxer::int64;
 // using mkvmuxer::uint64;
+#include "mod_webm.h"
 
 #ifdef _MSC_VER
 // Disable MSVC warnings that suggest making code non-portable.
@@ -49,8 +50,8 @@ SWITCH_MODULE_DEFINITION(mod_webm, mod_webm_load, NULL, NULL);
 #define IS_VP8_KEY_FRAME(byte) ((((byte) & 0x01) ^ 0x01) ? true : false)
 #define IS_VP9_KEY_FRAME(byte) (((byte) & 0x01) ? true : false)
 
-#define AUDIO_CODEC "OPUS"
-// #define AUDIO_CODEC "VORBIS"
+// #define AUDIO_CODEC "OPUS"
+#define AUDIO_CODEC "VORBIS"
 
 struct webm_file_context {
 	switch_memory_pool_t *pool;
@@ -190,6 +191,14 @@ static switch_status_t webm_file_open(switch_file_handle_t *handle, const char *
 		}
 	}
 
+	if (!strcmp(AUDIO_CODEC, "VORBIS")) {
+		uint16_t size = 0;
+		uint8_t *codec_private_data = NULL;
+		switch_core_codec_control(&context->audio_codec, SCC_GET_CODEC_PRIVATE, SCCT_INT, (void *)&size, NULL, (void **)&codec_private_data);
+		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "======codec_private_data size: %d data: %p\n", size, codec_private_data);
+		context->audio->SetCodecPrivate(codec_private_data, size);
+	}
+
 	if (1) { // for better quality?
 		int bw = 4096;
 		switch_core_codec_control(&context->video_codec, SCC_VIDEO_BANDWIDTH, SCCT_INT, (void *)&bw, NULL, NULL);
@@ -474,6 +483,8 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_webm_load)
 	file_interface->file_set_string = webm_file_set_string;
 	file_interface->file_get_string = webm_file_get_string;
 
+	mod_vorbis_load(module_interface, pool);
+
 	/* indicate that the module should continue to be loaded */
 	return SWITCH_STATUS_SUCCESS;
 }

src/mod/formats/mod_webm/mod_webm.h

+/*
+ * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2005-2015, Anthony Minessale II <anthm@freeswitch.org>
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ *
+ * The Initial Developer of the Original Code is
+ * Seven Du <dujinfang@gmail.com>
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Seven Du <dujinfang@gmail.com>
+ *
+ *
+ * mod_webm.h -- Webm headers
+ *
+ */
+
+#include <switch.h>
+
+#define SCC_GET_CODEC_PRIVATE SCC_VIDEO_BANDWIDTH
+
+typedef struct vorbis_context_s vorbis_context_t;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+SWITCH_MODULE_LOAD_FUNCTION(mod_vorbis_load);
+
+#ifdef __cplusplus
+}
+#endif