#include <string.h>
#include "asterisk.h"
#include "asterisk/slinfactory.h"
#include "asterisk/logger.h"
#include "asterisk/translate.h"
Include dependency graph for slinfactory.c:
Go to the source code of this file.
Functions | |
void | ast_slinfactory_destroy (struct ast_slinfactory *sf) |
int | ast_slinfactory_feed (struct ast_slinfactory *sf, struct ast_frame *f) |
void | ast_slinfactory_init (struct ast_slinfactory *sf) |
int | ast_slinfactory_read (struct ast_slinfactory *sf, short *buf, size_t bytes) |
Definition in file slinfactory.c.
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Definition at line 44 of file slinfactory.c. References ast_frfree(), ast_translator_free_path(), ast_frame::next, ast_slinfactory::queue, and ast_slinfactory::trans. 00045 { 00046 struct ast_frame *f; 00047 00048 if (sf->trans) { 00049 ast_translator_free_path(sf->trans); 00050 sf->trans = NULL; 00051 } 00052 00053 while((f = sf->queue)) { 00054 sf->queue = f->next; 00055 ast_frfree(f); 00056 } 00057 }
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Definition at line 59 of file slinfactory.c. References AST_FORMAT_SLINEAR, ast_frdup(), ast_getformatname(), ast_log(), ast_translate(), ast_translator_build_path(), ast_translator_free_path(), ast_frame::datalen, ast_slinfactory::format, LOG_WARNING, ast_frame::next, ast_slinfactory::queue, ast_slinfactory::size, ast_frame::subclass, and ast_slinfactory::trans. 00060 { 00061 struct ast_frame *frame, *frame_ptr; 00062 00063 if (!f) { 00064 return 0; 00065 } 00066 00067 if (f->subclass != AST_FORMAT_SLINEAR) { 00068 if (sf->trans && f->subclass != sf->format) { 00069 ast_translator_free_path(sf->trans); 00070 sf->trans = NULL; 00071 } 00072 if (!sf->trans) { 00073 if ((sf->trans = ast_translator_build_path(AST_FORMAT_SLINEAR, f->subclass)) == NULL) { 00074 ast_log(LOG_WARNING, "Cannot build a path from %s to slin\n", ast_getformatname(f->subclass)); 00075 return 0; 00076 } else { 00077 sf->format = f->subclass; 00078 } 00079 } 00080 } 00081 00082 if (sf->trans) { 00083 frame = ast_translate(sf->trans, f, 0); 00084 } else { 00085 frame = ast_frdup(f); 00086 } 00087 00088 if (frame) { 00089 int x = 0; 00090 for (frame_ptr = sf->queue; frame_ptr && frame_ptr->next; frame_ptr=frame_ptr->next) { 00091 x++; 00092 } 00093 if (frame_ptr) { 00094 frame_ptr->next = frame; 00095 } else { 00096 sf->queue = frame; 00097 } 00098 frame->next = NULL; 00099 sf->size += frame->datalen; 00100 return x; 00101 } 00102 00103 return 0; 00104 00105 }
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Definition at line 37 of file slinfactory.c. References ast_slinfactory::hold, ast_slinfactory::offset, and ast_slinfactory::queue. 00038 { 00039 memset(sf, 0, sizeof(struct ast_slinfactory)); 00040 sf->offset = sf->hold; 00041 sf->queue = NULL; 00042 }
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Definition at line 107 of file slinfactory.c. References ast_frfree(), ast_frame::data, ast_frame::datalen, ast_frame::next, and offset. 00108 { 00109 struct ast_frame *frame_ptr; 00110 int sofar = 0, ineed, remain; 00111 short *frame_data, *offset = buf; 00112 00113 while (sofar < bytes) { 00114 ineed = bytes - sofar; 00115 00116 if (sf->holdlen) { 00117 if ((sofar + sf->holdlen) <= ineed) { 00118 memcpy(offset, sf->hold, sf->holdlen); 00119 sofar += sf->holdlen; 00120 offset += (sf->holdlen / sizeof(short)); 00121 sf->holdlen = 0; 00122 sf->offset = sf->hold; 00123 } else { 00124 remain = sf->holdlen - ineed; 00125 memcpy(offset, sf->offset, ineed); 00126 sofar += ineed; 00127 sf->offset += (ineed / sizeof(short)); 00128 sf->holdlen = remain; 00129 } 00130 continue; 00131 } 00132 00133 if ((frame_ptr = sf->queue)) { 00134 sf->queue = frame_ptr->next; 00135 frame_data = frame_ptr->data; 00136 00137 if ((sofar + frame_ptr->datalen) <= ineed) { 00138 memcpy(offset, frame_data, frame_ptr->datalen); 00139 sofar += frame_ptr->datalen; 00140 offset += (frame_ptr->datalen / sizeof(short)); 00141 } else { 00142 remain = frame_ptr->datalen - ineed; 00143 memcpy(offset, frame_data, ineed); 00144 sofar += ineed; 00145 frame_data += (ineed / sizeof(short)); 00146 memcpy(sf->hold, frame_data, remain); 00147 sf->holdlen = remain; 00148 } 00149 ast_frfree(frame_ptr); 00150 } else { 00151 break; 00152 } 00153 } 00154 00155 sf->size -= sofar; 00156 return sofar; 00157 }
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