diff options
Diffstat (limited to 'tinyDAV/src/codecs/gsm/tdav_codec_gsm.c')
| -rwxr-xr-x | tinyDAV/src/codecs/gsm/tdav_codec_gsm.c | 261 |
1 files changed, 130 insertions, 131 deletions
diff --git a/tinyDAV/src/codecs/gsm/tdav_codec_gsm.c b/tinyDAV/src/codecs/gsm/tdav_codec_gsm.c index 8b5f1bc..31e5139 100755 --- a/tinyDAV/src/codecs/gsm/tdav_codec_gsm.c +++ b/tinyDAV/src/codecs/gsm/tdav_codec_gsm.c @@ -2,19 +2,19 @@ * Copyright (C) 2010-2011 Mamadou Diop. * * Contact: Mamadou Diop <diopmamadou(at)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. * @@ -43,94 +43,95 @@ int tdav_codec_gsm_open(tmedia_codec_t* self) { - tdav_codec_gsm_t* gsm = (tdav_codec_gsm_t*)self; - - if(!gsm->encoder && !(gsm->encoder = gsm_create())){ - TSK_DEBUG_ERROR("Failed to create GSM encoder"); - return -2; - } - if(!gsm->decoder && !(gsm->decoder = gsm_create())){ - TSK_DEBUG_ERROR("Failed to create GSM decoder"); - return -3; - } - - return 0; + tdav_codec_gsm_t* gsm = (tdav_codec_gsm_t*)self; + + if(!gsm->encoder && !(gsm->encoder = gsm_create())) { + TSK_DEBUG_ERROR("Failed to create GSM encoder"); + return -2; + } + if(!gsm->decoder && !(gsm->decoder = gsm_create())) { + TSK_DEBUG_ERROR("Failed to create GSM decoder"); + return -3; + } + + return 0; } int tdav_codec_gsm_close(tmedia_codec_t* self) { - tdav_codec_gsm_t* gsm = (tdav_codec_gsm_t*)self; - - if(gsm->encoder){ - gsm_destroy(gsm->encoder); - gsm->encoder = tsk_null; - } - if(gsm->decoder){ - gsm_destroy(gsm->decoder); - gsm->decoder = tsk_null; - } - - return 0; + tdav_codec_gsm_t* gsm = (tdav_codec_gsm_t*)self; + + if(gsm->encoder) { + gsm_destroy(gsm->encoder); + gsm->encoder = tsk_null; + } + if(gsm->decoder) { + gsm_destroy(gsm->decoder); + gsm->decoder = tsk_null; + } + + return 0; } tsk_size_t tdav_codec_gsm_encode(tmedia_codec_t* self, const void* in_data, tsk_size_t in_size, void** out_data, tsk_size_t* out_max_size) -{ - tsk_size_t out_size; - tdav_codec_gsm_t* gsm = (tdav_codec_gsm_t*)self; - - if(!self || !in_data || !in_size || !out_data){ - TSK_DEBUG_ERROR("Invalid parameter"); - return 0; - } - - out_size = ((in_size / (TMEDIA_CODEC_PCM_FRAME_SIZE_AUDIO_ENCODING(self) * sizeof(short))) * TDAV_GSM_FRAME_SIZE); - - /* allocate new buffer if needed */ - if(*out_max_size <out_size){ - if(!(*out_data = tsk_realloc(*out_data, out_size))){ - TSK_DEBUG_ERROR("Failed to allocate new buffer"); - *out_max_size = 0; - return 0; - } - *out_max_size = out_size; - } - - gsm_encode(gsm->encoder, (gsm_signal*)in_data, (gsm_byte*)*out_data); - - return out_size; +{ + tsk_size_t out_size; + tdav_codec_gsm_t* gsm = (tdav_codec_gsm_t*)self; + + if(!self || !in_data || !in_size || !out_data) { + TSK_DEBUG_ERROR("Invalid parameter"); + return 0; + } + + out_size = ((in_size / (TMEDIA_CODEC_PCM_FRAME_SIZE_AUDIO_ENCODING(self) * sizeof(short))) * TDAV_GSM_FRAME_SIZE); + + /* allocate new buffer if needed */ + if(*out_max_size <out_size) { + if(!(*out_data = tsk_realloc(*out_data, out_size))) { + TSK_DEBUG_ERROR("Failed to allocate new buffer"); + *out_max_size = 0; + return 0; + } + *out_max_size = out_size; + } + + gsm_encode(gsm->encoder, (gsm_signal*)in_data, (gsm_byte*)*out_data); + + return out_size; } tsk_size_t tdav_codec_gsm_decode(tmedia_codec_t* self, const void* in_data, tsk_size_t in_size, void** out_data, tsk_size_t* out_max_size, const tsk_object_t* proto_hdr) { - tsk_size_t out_size; - int ret; - tdav_codec_gsm_t* gsm = (tdav_codec_gsm_t*)self; - - if(!self || !in_data || !in_size || !out_data || (in_size % TDAV_GSM_FRAME_SIZE)){ - TSK_DEBUG_ERROR("Invalid parameter"); - return 0; - } - - out_size = (in_size / TDAV_GSM_FRAME_SIZE) * (TMEDIA_CODEC_PCM_FRAME_SIZE_AUDIO_DECODING(self) * sizeof(short)); - - /* allocate new buffer if needed */ - if(*out_max_size <out_size){ - if(!(*out_data = tsk_realloc(*out_data, out_size))){ - TSK_DEBUG_ERROR("Failed to allocate new buffer"); - *out_max_size = 0; - return 0; - } - *out_max_size = out_size; - } - - ret = gsm_decode(gsm->decoder, (gsm_byte*)in_data, (gsm_signal*)*out_data); - - return out_size; + tsk_size_t out_size; + int ret; + tdav_codec_gsm_t* gsm = (tdav_codec_gsm_t*)self; + + if(!self || !in_data || !in_size || !out_data || (in_size % TDAV_GSM_FRAME_SIZE)) { + TSK_DEBUG_ERROR("Invalid parameter"); + return 0; + } + + out_size = (in_size / TDAV_GSM_FRAME_SIZE) * (TMEDIA_CODEC_PCM_FRAME_SIZE_AUDIO_DECODING(self) * sizeof(short)); + + /* allocate new buffer if needed */ + if(*out_max_size <out_size) { + if(!(*out_data = tsk_realloc(*out_data, out_size))) { + TSK_DEBUG_ERROR("Failed to allocate new buffer"); + *out_max_size = 0; + return 0; + } + *out_max_size = out_size; + } + + ret = gsm_decode(gsm->decoder, (gsm_byte*)in_data, (gsm_signal*)*out_data); + + return out_size; } tsk_bool_t tdav_codec_gsm_sdp_att_match(const tmedia_codec_t* codec, const char* att_name, const char* att_value) -{ /* always match */ - return tsk_true; +{ + /* always match */ + return tsk_true; } @@ -141,67 +142,65 @@ tsk_bool_t tdav_codec_gsm_sdp_att_match(const tmedia_codec_t* codec, const char* /* constructor */ static tsk_object_t* tdav_codec_gsm_ctor(tsk_object_t * self, va_list * app) { - tdav_codec_gsm_t *gsm = self; - if(gsm){ - /* init base: called by tmedia_codec_create() */ - /* init self */ - } - return self; + tdav_codec_gsm_t *gsm = self; + if(gsm) { + /* init base: called by tmedia_codec_create() */ + /* init self */ + } + return self; } /* destructor */ static tsk_object_t* tdav_codec_gsm_dtor(tsk_object_t * self) -{ - tdav_codec_gsm_t *gsm = self; - if(gsm){ - /* deinit base */ - tmedia_codec_audio_deinit(gsm); - /* deinit self */ - if(gsm->encoder){ - gsm_destroy(gsm->encoder); - } - if(gsm->decoder){ - gsm_destroy(gsm->decoder); - } - } - - return self; +{ + tdav_codec_gsm_t *gsm = self; + if(gsm) { + /* deinit base */ + tmedia_codec_audio_deinit(gsm); + /* deinit self */ + if(gsm->encoder) { + gsm_destroy(gsm->encoder); + } + if(gsm->decoder) { + gsm_destroy(gsm->decoder); + } + } + + return self; } /* object definition */ -static const tsk_object_def_t tdav_codec_gsm_def_s = -{ - sizeof(tdav_codec_gsm_t), - tdav_codec_gsm_ctor, - tdav_codec_gsm_dtor, - tmedia_codec_cmp, +static const tsk_object_def_t tdav_codec_gsm_def_s = { + sizeof(tdav_codec_gsm_t), + tdav_codec_gsm_ctor, + tdav_codec_gsm_dtor, + tmedia_codec_cmp, }; /* plugin definition*/ -static const tmedia_codec_plugin_def_t tdav_codec_gsm_plugin_def_s = -{ - &tdav_codec_gsm_def_s, - - tmedia_audio, - tmedia_codec_id_gsm, - "GSM", - "GSM Full Rate (libgsm)", - TMEDIA_CODEC_FORMAT_GSM, - tsk_false, - 8000, // rate - - { /* audio */ - 1, // channels - 0 // ptime @deprecated - }, - - /* video */ - {0}, - - tsk_null, // set() - tdav_codec_gsm_open, - tdav_codec_gsm_close, - tdav_codec_gsm_encode, - tdav_codec_gsm_decode, - tdav_codec_gsm_sdp_att_match, - tdav_codec_gsm_sdp_att_get +static const tmedia_codec_plugin_def_t tdav_codec_gsm_plugin_def_s = { + &tdav_codec_gsm_def_s, + + tmedia_audio, + tmedia_codec_id_gsm, + "GSM", + "GSM Full Rate (libgsm)", + TMEDIA_CODEC_FORMAT_GSM, + tsk_false, + 8000, // rate + + { /* audio */ + 1, // channels + 0 // ptime @deprecated + }, + + /* video */ + {0}, + + tsk_null, // set() + tdav_codec_gsm_open, + tdav_codec_gsm_close, + tdav_codec_gsm_encode, + tdav_codec_gsm_decode, + tdav_codec_gsm_sdp_att_match, + tdav_codec_gsm_sdp_att_get }; const tmedia_codec_plugin_def_t *tdav_codec_gsm_plugin_def_t = &tdav_codec_gsm_plugin_def_s; |
