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WebRTC Opus C interface: Add support for non-48 kHz decode sample rate

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Plus tests for 16 kHz.

Bug: webrtc:10631
Change-Id: I2d89bc6d0d9548f0ad7bb1e36d6dfde6b6b31f83
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/138072
Commit-Queue: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Minyue Li <minyue@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28099}
This commit is contained in:
Karl Wiberg
2019-05-28 14:41:07 +02:00
committed by Commit Bot
parent 232b6a16cc
commit a1d1a1e976
9 changed files with 170 additions and 135 deletions
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8
modules/audio_coding/codecs/opus/opus_interface.h
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@ -328,7 +328,9 @@ int16_t WebRtcOpus_SetBandwidth(OpusEncInst* inst, int32_t bandwidth);
*/
int16_t WebRtcOpus_SetForceChannels(OpusEncInst* inst, size_t num_channels);
int16_t WebRtcOpus_DecoderCreate(OpusDecInst** inst, size_t channels);
int16_t WebRtcOpus_DecoderCreate(OpusDecInst** inst,
size_t channels,
int sample_rate_hz);
/****************************************************************************
* WebRtcOpus_MultistreamDecoderCreate(...)
@ -488,13 +490,15 @@ int WebRtcOpus_PlcDuration(OpusDecInst* inst);
* Input:
* - payload : Encoded data pointer
* - payload_length_bytes : Bytes of encoded data
* - sample_rate_hz : Sample rate of output audio
*
* Return value : >0 - The duration of the FEC data in the
* packet in samples per channel.
* 0 - No FEC data in the packet.
*/
int WebRtcOpus_FecDurationEst(const uint8_t* payload,
size_t payload_length_bytes);
size_t payload_length_bytes,
int sample_rate_hz);
/****************************************************************************
* WebRtcOpus_PacketHasFec(...)