FS-7500: add raw video codec yuv I420

diff --git a/src/mod/codecs/mod_yuv/Makefile b/src/mod/codecs/mod_yuv/Makefile
new file mode 100644 (file)
index 0000000..2c35e6e
--- /dev/null
+++ b/src/mod/codecs/mod_yuv/Makefile
@@ -0,0 +1,2 @@
+BASE=../../../..
+include $(BASE)/build/modmake.rules

diff --git a/src/mod/codecs/mod_yuv/mod_yuv.c b/src/mod/codecs/mod_yuv/mod_yuv.c
new file mode 100644 (file)
index 0000000..db8d971
--- /dev/null
+++ b/src/mod/codecs/mod_yuv/mod_yuv.c
@@ -0,0 +1,110 @@
+/*
+ * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2005-2014, 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):
+ *
+ *
+ * mod_yuv.c -- YUV (raw) Video Codec
+ *
+ */
+
+#include <switch.h>
+
+SWITCH_MODULE_LOAD_FUNCTION(mod_yuv_load);
+SWITCH_MODULE_DEFINITION(mod_yuv, mod_yuv_load, NULL, NULL);
+
+static switch_status_t switch_yuv_init(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings)
+{
+       int encoding, decoding;
+
+       encoding = (flags & SWITCH_CODEC_FLAG_ENCODE);
+       decoding = (flags & SWITCH_CODEC_FLAG_DECODE);
+
+       if (!(encoding || decoding)) {
+               return SWITCH_STATUS_FALSE;
+       } else {
+               if (codec->fmtp_in) {
+                       codec->fmtp_out = switch_core_strdup(codec->memory_pool, codec->fmtp_in);
+               }
+               return SWITCH_STATUS_SUCCESS;
+       }
+}
+
+static switch_status_t switch_yuv_encode(switch_codec_t *codec,
+                                                                                 switch_codec_t *other_codec,
+                                                                                 void *decoded_data,
+                                                                                 uint32_t decoded_data_len,
+                                                                                 uint32_t decoded_rate, void *encoded_data, uint32_t *encoded_data_len, uint32_t *encoded_rate,
+                                                                                 unsigned int *flag)
+{
+       /* yuv encode is unclear, so return 0 for now */
+       *encoded_data_len = 0;
+       *flag |= SFF_MARKER;
+       return SWITCH_STATUS_SUCCESS;
+}
+
+static switch_status_t switch_yuv_decode(switch_codec_t *codec,
+                                                                                 switch_codec_t *other_codec,
+                                                                                 void *encoded_data,
+                                                                                 uint32_t encoded_data_len,
+                                                                                 uint32_t encoded_rate, void *decoded_data, uint32_t *decoded_data_len, uint32_t *decoded_rate,
+                                                                                 unsigned int *flag)
+{
+       if (*decoded_data_len < encoded_data_len) return SWITCH_STATUS_FALSE;
+
+       codec->dec_picture.width = codec->enc_picture.width;
+       codec->dec_picture.height = codec->enc_picture.height;
+       memcpy(decoded_data, encoded_data, encoded_data_len);
+       *decoded_data_len = encoded_data_len;
+       return SWITCH_STATUS_SUCCESS;
+}
+
+static switch_status_t switch_yuv_destroy(switch_codec_t *codec)
+{
+       return SWITCH_STATUS_SUCCESS;
+}
+
+SWITCH_MODULE_LOAD_FUNCTION(mod_yuv_load)
+{
+       switch_codec_interface_t *codec_interface;
+       /* connect my internal structure to the blank pointer passed to me */
+       *module_interface = switch_loadable_module_create_module_interface(pool, modname);
+       SWITCH_ADD_CODEC(codec_interface, "YUV I420 Video (raw)");
+
+       switch_core_codec_add_video_implementation(pool, codec_interface, 99, "I420", NULL,
+               switch_yuv_init, switch_yuv_encode, switch_yuv_decode, switch_yuv_destroy);
+
+       /* indicate that the module should continue to be loaded */
+       return SWITCH_STATUS_SUCCESS;
+}
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
+ */