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/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
/*
* decode_bwe.c
*
* This C file contains the internal decode bandwidth estimate function.
*
*/
#include "bandwidth_estimator.h"
#include "codec.h"
#include "entropy_coding.h"
#include "structs.h"
int WebRtcIsacfix_EstimateBandwidth(BwEstimatorstr *bwest_str,
Bitstr_dec *streamdata,
WebRtc_Word32 packet_size,
WebRtc_UWord16 rtp_seq_number,
WebRtc_UWord32 send_ts,
WebRtc_UWord32 arr_ts)
{
WebRtc_Word16 index;
WebRtc_Word16 frame_samples;
int err;
/* decode framelength */
err = WebRtcIsacfix_DecodeFrameLen(streamdata, &frame_samples);
/* error check */
if (err<0) {
return err;
}
/* decode BW estimation */
err = WebRtcIsacfix_DecodeSendBandwidth(streamdata, &index);
/* error check */
if (err<0) {
return err;
}
/* Update BWE with received data */
err = WebRtcIsacfix_UpdateUplinkBwImpl(
bwest_str,
rtp_seq_number,
(WebRtc_UWord16)WEBRTC_SPL_UDIV(WEBRTC_SPL_UMUL(frame_samples,1000), FS),
send_ts,
arr_ts,
(WebRtc_Word16) packet_size, /* in bytes */
index);
/* error check */
if (err<0) {
return err;
}
/* Succesful */
return 0;
}
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