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 /* 12 * decode_bwe.c 13 * 14 * This C file contains the internal decode bandwidth estimate function. 15 * 16 */ 17 18 19 #include "bandwidth_estimator.h" 20 #include "codec.h" 21 #include "entropy_coding.h" 22 #include "structs.h" 23 24 25 26 27 int WebRtcIsacfix_EstimateBandwidth(BwEstimatorstr *bwest_str, 28 Bitstr_dec *streamdata, 29 size_t packet_size, 30 uint16_t rtp_seq_number, 31 uint32_t send_ts, 32 uint32_t arr_ts) 33 { 34 int16_t index; 35 size_t frame_samples; 36 int err; 37 38 /* decode framelength */ 39 err = WebRtcIsacfix_DecodeFrameLen(streamdata, &frame_samples); 40 /* error check */ 41 if (err<0) { 42 return err; 43 } 44 45 /* decode BW estimation */ 46 err = WebRtcIsacfix_DecodeSendBandwidth(streamdata, &index); 47 /* error check */ 48 if (err<0) { 49 return err; 50 } 51 52 /* Update BWE with received data */ 53 err = WebRtcIsacfix_UpdateUplinkBwImpl( 54 bwest_str, 55 rtp_seq_number, 56 (int16_t)(frame_samples * 1000 / FS), 57 send_ts, 58 arr_ts, 59 packet_size, /* in bytes */ 60 index); 61 62 /* error check */ 63 if (err<0) { 64 return err; 65 } 66 67 /* Succesful */ 68 return 0; 69 } 70
