tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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g722_interface.c (2875B)

      1 /*
      2 *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
      3 *
      4 *  Use of this source code is governed by a BSD-style license
      5 *  that can be found in the LICENSE file in the root of the source
      6 *  tree. An additional intellectual property rights grant can be found
      7 *  in the file PATENTS.  All contributing project authors may
      8 *  be found in the AUTHORS file in the root of the source tree.
      9 */
     10 
     11 #include "modules/audio_coding/codecs/g722/g722_interface.h"
     12 
     13 #include <stdlib.h>
     14 #include <string.h>
     15 
     16 #include "modules/third_party/g722/g722_enc_dec.h"
     17 
     18 int16_t WebRtcG722_CreateEncoder(G722EncInst** G722enc_inst) {
     19  *G722enc_inst = (G722EncInst*)malloc(sizeof(G722EncoderState));
     20  if (*G722enc_inst != NULL) {
     21    return (0);
     22  } else {
     23    return (-1);
     24  }
     25 }
     26 
     27 int16_t WebRtcG722_EncoderInit(G722EncInst* G722enc_inst) {
     28  // Create and/or reset the G.722 encoder
     29  // Bitrate 64 kbps and wideband mode (2)
     30  G722enc_inst = (G722EncInst*)WebRtc_g722_encode_init(
     31      (G722EncoderState*)G722enc_inst, 64000, 2);
     32  if (G722enc_inst == NULL) {
     33    return -1;
     34  } else {
     35    return 0;
     36  }
     37 }
     38 
     39 int WebRtcG722_FreeEncoder(G722EncInst* G722enc_inst) {
     40  // Free encoder memory
     41  return WebRtc_g722_encode_release((G722EncoderState*)G722enc_inst);
     42 }
     43 
     44 size_t WebRtcG722_Encode(G722EncInst* G722enc_inst,
     45                         const int16_t* speechIn,
     46                         size_t len,
     47                         uint8_t* encoded) {
     48  unsigned char* codechar = (unsigned char*)encoded;
     49  // Encode the input speech vector
     50  return WebRtc_g722_encode((G722EncoderState*)G722enc_inst, codechar, speechIn,
     51                            len);
     52 }
     53 
     54 int16_t WebRtcG722_CreateDecoder(G722DecInst** G722dec_inst) {
     55  *G722dec_inst = (G722DecInst*)malloc(sizeof(G722DecoderState));
     56  if (*G722dec_inst != NULL) {
     57    return (0);
     58  } else {
     59    return (-1);
     60  }
     61 }
     62 
     63 void WebRtcG722_DecoderInit(G722DecInst* inst) {
     64  // Create and/or reset the G.722 decoder
     65  // Bitrate 64 kbps and wideband mode (2)
     66  WebRtc_g722_decode_init((G722DecoderState*)inst, 64000, 2);
     67 }
     68 
     69 int WebRtcG722_FreeDecoder(G722DecInst* G722dec_inst) {
     70  // Free encoder memory
     71  return WebRtc_g722_decode_release((G722DecoderState*)G722dec_inst);
     72 }
     73 
     74 size_t WebRtcG722_Decode(G722DecInst* G722dec_inst,
     75                         const uint8_t* encoded,
     76                         size_t len,
     77                         int16_t* decoded,
     78                         int16_t* speechType) {
     79  // Decode the G.722 encoder stream
     80  *speechType = G722_WEBRTC_SPEECH;
     81  return WebRtc_g722_decode((G722DecoderState*)G722dec_inst, decoded, encoded,
     82                            len);
     83 }
     84 
     85 int16_t WebRtcG722_Version(char* versionStr, short len) {
     86  // Get version string
     87  char version[30] = "2.0.0\n";
     88  if (strlen(version) < (unsigned int)len) {
     89    strcpy(versionStr, version);
     90    return 0;
     91  } else {
     92    return -1;
     93  }
     94 }