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