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NetEq fix for repeated audio issue.

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This CL implements a fix behind a field trial for a NetEq issue. NetEq restarts audio too quickly after a buffer underrun, which can quickly lead to another underrun in some circumstances. The fix changes NetEq's behavior to wait with restarting playback until sufficient audio is buffered.

Bug: webrtc:9289
Change-Id: I5968c9478ce8d84caf77f00b8d0a39156b47fc8d
Reviewed-on: https://webrtc-review.googlesource.com/77423
Reviewed-by: Minyue Li <minyue@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Henrik Lundin <henrik.lundin@webrtc.org>
Commit-Queue: Ivo Creusen <ivoc@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23347}
This commit is contained in:
Ivo Creusen
2018-05-22 13:21:01 +02:00
committed by Commit Bot
parent 169005d8c1
commit c7f09ad2e0
12 changed files with 62 additions and 10 deletions
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5
modules/audio_coding/neteq/packet_buffer.h
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@ -12,6 +12,7 @@
#define MODULES_AUDIO_CODING_NETEQ_PACKET_BUFFER_H_
#include "api/optional.h"
#include "modules/audio_coding/neteq/decoder_database.h"
#include "modules/audio_coding/neteq/packet.h"
#include "modules/include/module_common_types.h"
#include "rtc_base/constructormagic.h"
@ -121,6 +122,10 @@ class PacketBuffer {
// duplicate and redundant packets.
virtual size_t NumSamplesInBuffer(size_t last_decoded_length) const;
// Returns true if the packet buffer contains any DTX or CNG packets.
virtual bool ContainsDtxOrCngPacket(
const DecoderDatabase* decoder_database) const;
virtual void BufferStat(int* num_packets, int* max_num_packets) const;
// Static method returning true if |timestamp| is older than |timestamp_limit|