diff --git a/src/mod/codecs/mod_yuv/Makefile b/src/mod/codecs/mod_yuv/Makefile new file mode 100644 index 0000000000..2c35e6e98f --- /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 index 0000000000..db8d9718e6 --- /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 + * + * 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 + * 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_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: + */