diff options
Diffstat (limited to 'tinyDAV/src/codecs/g711/tdav_codec_g711.c')
| -rwxr-xr-x | tinyDAV/src/codecs/g711/tdav_codec_g711.c | 428 |
1 files changed, 213 insertions, 215 deletions
diff --git a/tinyDAV/src/codecs/g711/tdav_codec_g711.c b/tinyDAV/src/codecs/g711/tdav_codec_g711.c index fa970e1..288d70f 100755 --- a/tinyDAV/src/codecs/g711/tdav_codec_g711.c +++ b/tinyDAV/src/codecs/g711/tdav_codec_g711.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. * @@ -42,68 +42,69 @@ static tsk_size_t tdav_codec_g711u_encode(tmedia_codec_t* self, const void* in_data, tsk_size_t in_size, void** out_data, tsk_size_t* out_max_size) { - register tsk_size_t i; - register uint8_t* pout_data; - register int16_t* pin_data; - tsk_size_t out_size; - - if(!self || !in_data || !in_size || !out_data){ - TSK_DEBUG_ERROR("Invalid parameter"); - return 0; - } - - out_size = (in_size >> 1); - - 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; - } - - pout_data = *out_data; - pin_data = (int16_t*)in_data; - for(i = 0; i<out_size; i++){ - pout_data[i] = linear2ulaw(pin_data[i]); - } - - return out_size; + register tsk_size_t i; + register uint8_t* pout_data; + register int16_t* pin_data; + tsk_size_t out_size; + + if(!self || !in_data || !in_size || !out_data) { + TSK_DEBUG_ERROR("Invalid parameter"); + return 0; + } + + out_size = (in_size >> 1); + + 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; + } + + pout_data = *out_data; + pin_data = (int16_t*)in_data; + for(i = 0; i<out_size; i++) { + pout_data[i] = linear2ulaw(pin_data[i]); + } + + return out_size; } static tsk_size_t tdav_codec_g711u_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 i; - tsk_size_t out_size; - - if(!self || !in_data || !in_size || !out_data){ - TSK_DEBUG_ERROR("Invalid parameter"); - return 0; - } - - out_size = (in_size << 1); - - /* allocate new buffer */ - 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; - } - - for(i = 0; i<in_size; i++){ - ((short*)*out_data)[i] = ulaw2linear(((uint8_t*)in_data)[i]); - } - - return out_size; + tsk_size_t i; + tsk_size_t out_size; + + if(!self || !in_data || !in_size || !out_data) { + TSK_DEBUG_ERROR("Invalid parameter"); + return 0; + } + + out_size = (in_size << 1); + + /* allocate new buffer */ + 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; + } + + for(i = 0; i<in_size; i++) { + ((short*)*out_data)[i] = ulaw2linear(((uint8_t*)in_data)[i]); + } + + return out_size; } static tsk_bool_t tdav_codec_g711u_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; } @@ -114,61 +115,59 @@ static tsk_bool_t tdav_codec_g711u_sdp_att_match(const tmedia_codec_t* codec, co /* constructor */ static tsk_object_t* tdav_codec_g711u_ctor(tsk_object_t * self, va_list * app) { - tdav_codec_g711u_t *g711u = self; - if(g711u){ - /* init base: called by tmedia_codec_create() */ - /* init self */ - } - return self; + tdav_codec_g711u_t *g711u = self; + if(g711u) { + /* init base: called by tmedia_codec_create() */ + /* init self */ + } + return self; } /* destructor */ static tsk_object_t* tdav_codec_g711u_dtor(tsk_object_t * self) -{ - tdav_codec_g711u_t *g711u = self; - if(g711u){ - /* deinit base */ - tmedia_codec_audio_deinit(g711u); - /* deinit self */ - } - - return self; +{ + tdav_codec_g711u_t *g711u = self; + if(g711u) { + /* deinit base */ + tmedia_codec_audio_deinit(g711u); + /* deinit self */ + } + + return self; } /* object definition */ -static const tsk_object_def_t tdav_codec_g711u_def_s = -{ - sizeof(tdav_codec_g711u_t), - tdav_codec_g711u_ctor, - tdav_codec_g711u_dtor, - tmedia_codec_cmp, +static const tsk_object_def_t tdav_codec_g711u_def_s = { + sizeof(tdav_codec_g711u_t), + tdav_codec_g711u_ctor, + tdav_codec_g711u_dtor, + tmedia_codec_cmp, }; /* plugin definition*/ -static const tmedia_codec_plugin_def_t tdav_codec_g711u_plugin_def_s = -{ - &tdav_codec_g711u_def_s, - - tmedia_audio, - tmedia_codec_id_pcmu, - "PCMU", - "G.711u codec (native)", - TMEDIA_CODEC_FORMAT_G711u, - tsk_false, - 8000, // rate - - { /* audio */ - 1, // channels - 0 // ptime @deprecated - }, - - /* video */ - {0}, - - tsk_null, // set() - tdav_codec_g711u_open, - tdav_codec_g711u_close, - tdav_codec_g711u_encode, - tdav_codec_g711u_decode, - tdav_codec_g711u_sdp_att_match, - tdav_codec_g711u_sdp_att_get +static const tmedia_codec_plugin_def_t tdav_codec_g711u_plugin_def_s = { + &tdav_codec_g711u_def_s, + + tmedia_audio, + tmedia_codec_id_pcmu, + "PCMU", + "G.711u codec (native)", + TMEDIA_CODEC_FORMAT_G711u, + tsk_false, + 8000, // rate + + { /* audio */ + 1, // channels + 0 // ptime @deprecated + }, + + /* video */ + {0}, + + tsk_null, // set() + tdav_codec_g711u_open, + tdav_codec_g711u_close, + tdav_codec_g711u_encode, + tdav_codec_g711u_decode, + tdav_codec_g711u_sdp_att_match, + tdav_codec_g711u_sdp_att_get }; const tmedia_codec_plugin_def_t *tdav_codec_g711u_plugin_def_t = &tdav_codec_g711u_plugin_def_s; @@ -181,34 +180,34 @@ const tmedia_codec_plugin_def_t *tdav_codec_g711u_plugin_def_t = &tdav_codec_g71 static tsk_size_t tdav_codec_g711a_encode(tmedia_codec_t* self, const void* in_data, tsk_size_t in_size, void** out_data, tsk_size_t* out_max_size) { - register tsk_size_t i; - register uint8_t* pout_data; - register int16_t* pin_data; - tsk_size_t out_size; - - if(!self || !in_data || !in_size || !out_data){ - TSK_DEBUG_ERROR("Invalid parameter"); - return 0; - } - - out_size = (in_size >> 1); - - 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; - } - - pout_data = *out_data; - pin_data = (int16_t*)in_data; - for(i = 0; i<out_size; i++){ - pout_data[i] = linear2alaw(pin_data[i]); - } - - return out_size; + register tsk_size_t i; + register uint8_t* pout_data; + register int16_t* pin_data; + tsk_size_t out_size; + + if(!self || !in_data || !in_size || !out_data) { + TSK_DEBUG_ERROR("Invalid parameter"); + return 0; + } + + out_size = (in_size >> 1); + + 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; + } + + pout_data = *out_data; + pin_data = (int16_t*)in_data; + for(i = 0; i<out_size; i++) { + pout_data[i] = linear2alaw(pin_data[i]); + } + + return out_size; } #if 0 @@ -217,46 +216,47 @@ int count = 0; #endif static tsk_size_t tdav_codec_g711a_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 i, out_size; - - if(!self || !in_data || !in_size || !out_data){ - TSK_DEBUG_ERROR("Invalid parameter"); - return 0; - } - out_size = (in_size << 1); + tsk_size_t i, out_size; + + if(!self || !in_data || !in_size || !out_data) { + TSK_DEBUG_ERROR("Invalid parameter"); + return 0; + } + out_size = (in_size << 1); #if 0 - if(!file && count<=1000){ - file = fopen("./g711a.pcm", "wb"); - } + if(!file && count<=1000) { + file = fopen("./g711a.pcm", "wb"); + } #endif - /* allocate new buffer */ - 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; - } - - for(i = 0; i<in_size; i++){ - ((short*)*out_data)[i] = alaw2linear(((uint8_t*)in_data)[i]); - } + /* allocate new buffer */ + 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; + } + + for(i = 0; i<in_size; i++) { + ((short*)*out_data)[i] = alaw2linear(((uint8_t*)in_data)[i]); + } #if 0 - if(++count<=1000){ - fwrite(*out_data, sizeof(short), in_size, file); - } - else if(file){ - fclose(file); - file = tsk_null; - } + if(++count<=1000) { + fwrite(*out_data, sizeof(short), in_size, file); + } + else if(file) { + fclose(file); + file = tsk_null; + } #endif - return out_size; + return out_size; } static tsk_bool_t tdav_codec_g711a_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; } @@ -267,60 +267,58 @@ static tsk_bool_t tdav_codec_g711a_sdp_att_match(const tmedia_codec_t* codec, co /* constructor */ static tsk_object_t* tdav_codec_g711a_ctor(tsk_object_t * self, va_list * app) { - tdav_codec_g711a_t *g711a = self; - if(g711a){ - /* init base: called by tmedia_codec_create() */ - /* init self */ - } - return self; + tdav_codec_g711a_t *g711a = self; + if(g711a) { + /* init base: called by tmedia_codec_create() */ + /* init self */ + } + return self; } /* destructor */ static tsk_object_t* tdav_codec_g711a_dtor(tsk_object_t * self) -{ - tdav_codec_g711a_t *g711a = self; - if(g711a){ - /* deinit base */ - tmedia_codec_audio_deinit(g711a); - /* deinit self */ - } - - return self; +{ + tdav_codec_g711a_t *g711a = self; + if(g711a) { + /* deinit base */ + tmedia_codec_audio_deinit(g711a); + /* deinit self */ + } + + return self; } /* object definition */ -static const tsk_object_def_t tdav_codec_g711a_def_s = -{ - sizeof(tdav_codec_g711a_t), - tdav_codec_g711a_ctor, - tdav_codec_g711a_dtor, - tmedia_codec_cmp, +static const tsk_object_def_t tdav_codec_g711a_def_s = { + sizeof(tdav_codec_g711a_t), + tdav_codec_g711a_ctor, + tdav_codec_g711a_dtor, + tmedia_codec_cmp, }; /* plugin definition*/ -static const tmedia_codec_plugin_def_t tdav_codec_g711a_plugin_def_s = -{ - &tdav_codec_g711a_def_s, - - tmedia_audio, - tmedia_codec_id_pcma, - "PCMA", - "G.711a codec (native)", - TMEDIA_CODEC_FORMAT_G711a, - tsk_false, - 8000, // rate - - { /* audio */ - 1, // channels - 0 // ptime @deprecated - }, - - /* video */ - {0}, - - tsk_null, // set() - tdav_codec_g711a_open, - tdav_codec_g711a_close, - tdav_codec_g711a_encode, - tdav_codec_g711a_decode, - tdav_codec_g711a_sdp_att_match, - tdav_codec_g711a_sdp_att_get +static const tmedia_codec_plugin_def_t tdav_codec_g711a_plugin_def_s = { + &tdav_codec_g711a_def_s, + + tmedia_audio, + tmedia_codec_id_pcma, + "PCMA", + "G.711a codec (native)", + TMEDIA_CODEC_FORMAT_G711a, + tsk_false, + 8000, // rate + + { /* audio */ + 1, // channels + 0 // ptime @deprecated + }, + + /* video */ + {0}, + + tsk_null, // set() + tdav_codec_g711a_open, + tdav_codec_g711a_close, + tdav_codec_g711a_encode, + tdav_codec_g711a_decode, + tdav_codec_g711a_sdp_att_match, + tdav_codec_g711a_sdp_att_get }; const tmedia_codec_plugin_def_t *tdav_codec_g711a_plugin_def_t = &tdav_codec_g711a_plugin_def_s; |
