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Improve AV-sync when initial delay is set and NetEq has long buffer.

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Review URL: https://webrtc-codereview.appspot.com/1324006

git-svn-id: http://webrtc.googlecode.com/svn/trunk@3883 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
turaj@webrtc.org
2013-04-22 18:53:35 +00:00
parent 1b427719dc
commit 28d54ab18f
17 changed files with 522 additions and 123 deletions
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17
webrtc/modules/audio_coding/neteq/mcu.h
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@ -88,6 +88,13 @@ typedef struct
int16_t TSscalingInitialized;
enum TsScaling scalingFactor;
/* AV-sync enabled. In AV-sync NetEq screens packets for specific sync
* packets. Sync packets are not decoded by a decoder but generate all-zero
* signal with the same number of samples as previously decoded payload.
* Also in AV-sync mode the sample-size of a sync payload is reported as
* previous frame-size. */
int av_sync;
#ifdef NETEQ_STEREO
int usingStereo;
#endif
@ -196,6 +203,7 @@ int WebRtcNetEQ_McuSetFs(MCUInst_t *inst, uint16_t fs_hz);
*
* Input:
* - inst : MCU instance
* - av_sync : 1 if NetEQ is in AV-sync mode, otherwise 0.
*
* Return value : 0 - Ok
* <0 - Error
@ -229,12 +237,17 @@ int WebRtcNetEQ_RecInInternal(MCUInst_t *MCU_inst, RTPPacket_t *RTPpacket,
* - MCU_inst : MCU instance
* - RTPpacket : The RTP packet, parsed into NetEQ's internal RTP struct
* - uw32_timeRec : Time stamp for the arrival of the packet (not RTP timestamp)
* - av_sync : indicates if AV-sync is enabled, 1 enabled,
* 0 disabled.
*
* Return value : 0 - Ok
* -1 - Error
*/
int WebRtcNetEQ_SplitAndInsertPayload(RTPPacket_t *packet, PacketBuf_t *Buffer_inst,
SplitInfo_t *split_inst, int16_t *flushed);
int WebRtcNetEQ_SplitAndInsertPayload(RTPPacket_t* packet,
PacketBuf_t* Buffer_inst,
SplitInfo_t* split_inst,
int16_t* flushed,
int av_sync);
/****************************************************************************
* WebRtcNetEQ_GetTimestampScaling(...)