173f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh/* 273f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh * Copyrightm (C) 2010 The Android Open Source Project 373f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh * 473f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh * Licensed under the Apache License, Version 2.0 (the "License"); 573f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh * you may not use this file except in compliance with the License. 673f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh * You may obtain a copy of the License at 773f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh * 873f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh * http://www.apache.org/licenses/LICENSE-2.0 973f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh * 1073f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh * Unless required by applicable law or agreed to in writing, software 1173f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh * distributed under the License is distributed on an "AS IS" BASIS, 1273f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1373f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh * See the License for the specific language governing permissions and 1473f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh * limitations under the License. 1573f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh */ 1673f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh 17984a78d3cd5c6e31b9fbba7614fbe1cc431adb1cCarl Shapiro#include <strings.h> 1873f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh 1973f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh#include "AudioCodec.h" 2073f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh 21536a451f5cf9f4bcf38968366cf62368f3d4d2f8Chia-chi Yehextern AudioCodec *newAlawCodec(); 22536a451f5cf9f4bcf38968366cf62368f3d4d2f8Chia-chi Yehextern AudioCodec *newUlawCodec(); 23d0f061251d77b98b510626ddcc925a74195519dfChia-chi Yehextern AudioCodec *newGsmCodec(); 242437b7d03ce3c0c63ffe04e15a53174d15ee8479Chia-chi Yehextern AudioCodec *newAmrCodec(); 25ac8b0e5a92e1a9abdaa543656fba0cf52ca8d786Chia-chi Yehextern AudioCodec *newGsmEfrCodec(); 2673f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh 2773f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yehstruct AudioCodecType { 2873f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh const char *name; 2973f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh AudioCodec *(*create)(); 3073f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh} gAudioCodecTypes[] = { 3173f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh {"PCMA", newAlawCodec}, 3273f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh {"PCMU", newUlawCodec}, 33d0f061251d77b98b510626ddcc925a74195519dfChia-chi Yeh {"GSM", newGsmCodec}, 342437b7d03ce3c0c63ffe04e15a53174d15ee8479Chia-chi Yeh {"AMR", newAmrCodec}, 35ac8b0e5a92e1a9abdaa543656fba0cf52ca8d786Chia-chi Yeh {"GSM-EFR", newGsmEfrCodec}, 3673f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh {NULL, NULL}, 3773f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh}; 3873f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh 3973f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi YehAudioCodec *newAudioCodec(const char *codecName) 4073f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh{ 4173f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh AudioCodecType *type = gAudioCodecTypes; 4273f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh while (type->name != NULL) { 430d2c37c274f1db29f51f1d078f240be13b784bf2Chia-chi Yeh if (strcasecmp(codecName, type->name) == 0) { 440d2c37c274f1db29f51f1d078f240be13b784bf2Chia-chi Yeh AudioCodec *codec = type->create(); 450d2c37c274f1db29f51f1d078f240be13b784bf2Chia-chi Yeh codec->name = type->name; 460d2c37c274f1db29f51f1d078f240be13b784bf2Chia-chi Yeh return codec; 4773f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh } 4873f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh ++type; 4973f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh } 5073f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh return NULL; 5173f6df1f0aac12c243e2110e30337ab01aa71598Chia-chi Yeh} 52