diff options
Diffstat (limited to 'formats/format_attr_celt.c')
| -rw-r--r-- | formats/format_attr_celt.c | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/formats/format_attr_celt.c b/formats/format_attr_celt.c deleted file mode 100644 index de3de8c40..000000000 --- a/formats/format_attr_celt.c +++ /dev/null @@ -1,181 +0,0 @@ -/* - * Asterisk -- An open source telephony toolkit. - * - * Copyright (C) 2011, Digium, Inc. - * - * David Vossel <dvossel@digium.com> - * - * See http://www.asterisk.org for more information about - * the Asterisk project. Please do not directly contact - * any of the maintainers of this project for assistance; - * the project provides a web site, mailing lists and IRC - * channels for your use. - * - * This program is free software, distributed under the terms of - * the GNU General Public License Version 2. See the LICENSE file - * at the top of the source tree. - */ - -/*! - * \file - * \brief CELT format attribute interface - * - * \author David Vossel <dvossel@digium.com> - */ - -#include "asterisk.h" - -ASTERISK_FILE_VERSION(__FILE__, "$Revision$") - -#include "asterisk/module.h" -#include "asterisk/format.h" - -/*! - * \brief CELT attribute structure. - * - * \note The only attribute that affects compatibility here is the sample rate. - */ -struct celt_attr { - unsigned int samplerate; - unsigned int maxbitrate; - unsigned int framesize; -}; - -static enum ast_format_cmp_res celt_cmp(const struct ast_format_attr *fattr1, const struct ast_format_attr *fattr2) -{ - struct celt_attr *attr1 = (struct celt_attr *) fattr1; - struct celt_attr *attr2 = (struct celt_attr *) fattr2; - - if (attr1->samplerate == attr2->samplerate) { - return AST_FORMAT_CMP_EQUAL; - } - return AST_FORMAT_CMP_NOT_EQUAL; -} - -static int celt_get_val(const struct ast_format_attr *fattr, int key, void *result) -{ - const struct celt_attr *attr = (struct celt_attr *) fattr; - int *val = result; - - switch (key) { - case CELT_ATTR_KEY_SAMP_RATE: - *val = attr->samplerate; - break; - case CELT_ATTR_KEY_MAX_BITRATE: - *val = attr->maxbitrate; - break; - case CELT_ATTR_KEY_FRAME_SIZE: - *val = attr->framesize; - break; - default: - return -1; - ast_log(LOG_WARNING, "unknown attribute type %d\n", key); - } - return 0; -} - -static int celt_isset(const struct ast_format_attr *fattr, va_list ap) -{ - enum celt_attr_keys key; - const struct celt_attr *attr = (struct celt_attr *) fattr; - - for (key = va_arg(ap, int); - key != AST_FORMAT_ATTR_END; - key = va_arg(ap, int)) - { - switch (key) { - case CELT_ATTR_KEY_SAMP_RATE: - if (attr->samplerate != (va_arg(ap, int))) { - return -1; - } - break; - case CELT_ATTR_KEY_MAX_BITRATE: - if (attr->maxbitrate != (va_arg(ap, int))) { - return -1; - } - break; - case CELT_ATTR_KEY_FRAME_SIZE: - if (attr->framesize != (va_arg(ap, int))) { - return -1; - } - break; - default: - return -1; - ast_log(LOG_WARNING, "unknown attribute type %d\n", key); - } - } - return 0; -} -static int celt_getjoint(const struct ast_format_attr *fattr1, const struct ast_format_attr *fattr2, struct ast_format_attr *result) -{ - struct celt_attr *attr1 = (struct celt_attr *) fattr1; - struct celt_attr *attr2 = (struct celt_attr *) fattr2; - struct celt_attr *attr_res = (struct celt_attr *) result; - - /* sample rate is the only attribute that has any bearing on if joint capabilities exist or not */ - if (attr1->samplerate != attr2->samplerate) { - return -1; - } - /* either would work, they are guaranteed the same at this point. */ - attr_res->samplerate = attr1->samplerate; - /* Take the lowest max bitrate */ - attr_res->maxbitrate = MIN(attr1->maxbitrate, attr2->maxbitrate); - - attr_res->framesize = attr2->framesize; /* TODO figure out what joint framesize means */ - return 0; -} - -static void celt_set(struct ast_format_attr *fattr, va_list ap) -{ - enum celt_attr_keys key; - struct celt_attr *attr = (struct celt_attr *) fattr; - - for (key = va_arg(ap, int); - key != AST_FORMAT_ATTR_END; - key = va_arg(ap, int)) - { - switch (key) { - case CELT_ATTR_KEY_SAMP_RATE: - attr->samplerate = (va_arg(ap, int)); - break; - case CELT_ATTR_KEY_MAX_BITRATE: - attr->maxbitrate = (va_arg(ap, int)); - break; - case CELT_ATTR_KEY_FRAME_SIZE: - attr->framesize = (va_arg(ap, int)); - break; - default: - ast_log(LOG_WARNING, "unknown attribute type %d\n", key); - } - } -} - -static struct ast_format_attr_interface celt_interface = { - .id = AST_FORMAT_CELT, - .format_attr_cmp = celt_cmp, - .format_attr_get_joint = celt_getjoint, - .format_attr_set = celt_set, - .format_attr_isset = celt_isset, - .format_attr_get_val = celt_get_val, -}; - -static int load_module(void) -{ - if (ast_format_attr_reg_interface(&celt_interface)) { - return AST_MODULE_LOAD_DECLINE; - } - - return AST_MODULE_LOAD_SUCCESS; -} - -static int unload_module(void) -{ - ast_format_attr_unreg_interface(&celt_interface); - return 0; -} - -AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "CELT Format Attribute Module", - .load = load_module, - .unload = unload_module, - .load_pri = AST_MODPRI_CHANNEL_DEPEND, -); |