diff options
Diffstat (limited to 'branches/1.0/tinyDAV/src/codecs/gsm/tdav_codec_gsm.c')
| -rw-r--r-- | branches/1.0/tinyDAV/src/codecs/gsm/tdav_codec_gsm.c | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/branches/1.0/tinyDAV/src/codecs/gsm/tdav_codec_gsm.c b/branches/1.0/tinyDAV/src/codecs/gsm/tdav_codec_gsm.c deleted file mode 100644 index 56748da..0000000 --- a/branches/1.0/tinyDAV/src/codecs/gsm/tdav_codec_gsm.c +++ /dev/null @@ -1,208 +0,0 @@ -/*
-* Copyright (C) 2009-2010 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.
-*
-*/
-
-/**@file tdav_codec_gsm.c
- * @brief GSM Full Rate Codec (Based on libgsm)
- *
- * @author Mamadou Diop <diopmamadou(at)doubango.org>
- *
- * @date Created: Sat Nov 8 16:54:58 2009 mdiop
- */
-#include "tinydav/codecs/gsm/tdav_codec_gsm.h"
-
-#if HAVE_LIBGSM
-
-#include "tsk_memory.h"
-#include "tsk_debug.h"
-
-#define TDAV_GSM_FRAME_SIZE 33
-
-/* ============ GSM Plugin interface ================= */
-
-#define tdav_codec_gsm_fmtp_get tsk_null
-#define tdav_codec_gsm_fmtp_set tsk_null
-
-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;
-}
-
-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;
-}
-
-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(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(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_fmtp_match(const tmedia_codec_t* codec, const char* fmtp)
-{ /* always match */
- return tsk_true;
-}
-
-
-//
-// GSM Plugin definition
-//
-
-/* 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;
-}
-/* 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;
-}
-/* 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,
-};
-/* plugin definition*/
-static const tmedia_codec_plugin_def_t tdav_codec_gsm_plugin_def_s =
-{
- &tdav_codec_gsm_def_s,
-
- tmedia_audio,
- "GSM",
- "GSM Full Rate",
- TMEDIA_CODEC_FORMAT_GSM,
- tsk_false,
- 8000, // rate
-
- { /* audio */
- 1, // channels
- 20 // ptime
- },
-
- /* video */
- {0},
-
- tdav_codec_gsm_open,
- tdav_codec_gsm_close,
- tdav_codec_gsm_encode,
- tdav_codec_gsm_decode,
- tdav_codec_gsm_fmtp_match,
- tdav_codec_gsm_fmtp_get,
- tdav_codec_gsm_fmtp_set
-};
-const tmedia_codec_plugin_def_t *tdav_codec_gsm_plugin_def_t = &tdav_codec_gsm_plugin_def_s;
-
-
-#endif /* HAVE_LIBGSM */
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