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Adding three frame sizes to Opus

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Adding support for 10, 40 and 60 ms packet sizes for Opus.

BUG=issue1015

Review URL: https://webrtc-codereview.appspot.com/1086004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@3454 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
tina.legrand@webrtc.org 2013-02-01 14:20:06 +00:00
parent d087789b9c
commit 46d90dcd74
6 changed files with 52 additions and 36 deletions
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4
webrtc/modules/audio_coding/codecs/opus/opus_interface.c
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@ -19,8 +19,8 @@
#include "common_audio/signal_processing/include/signal_processing_library.h"
enum {
/* We always produce 20ms frames. */
kWebRtcOpusMaxEncodeFrameSizeMs = 20,
/* Maximum supported frame size in WebRTC is 60 ms. */
kWebRtcOpusMaxEncodeFrameSizeMs = 60,
/* The format allows up to 120ms frames. Since we
* don't control the other side, we must allow

2
webrtc/modules/audio_coding/main/source/acm_codec_database.cc
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@ -286,7 +286,7 @@ const ACMCodecDB::CodecSettings ACMCodecDB::codec_settings_[] = {
// Opus supports frames shorter than 10ms,
// but it doesn't help us to use them.
// Mono and stereo.
{1, {960}, 0, 2},
{4, {480, 960, 1920, 2880}, 0, 2},
#endif
#ifdef WEBRTC_CODEC_SPEEX
{3, {160, 320, 480}, 0, 1},

4
webrtc/modules/audio_coding/main/source/acm_common_defs.h
View File

@ -36,8 +36,8 @@ namespace webrtc {
// 60 ms is the maximum block size we support. An extra 20 ms is considered
// for safety if process() method is not called when it should be, i.e. we
// accept 20 ms of jitter. 80 ms @ 32 kHz (super wide-band) is 2560 samples.
#define AUDIO_BUFFER_SIZE_W16 2560
// accept 20 ms of jitter. 80 ms @ 48 kHz (full-band) stereo is 7680 samples.
#define AUDIO_BUFFER_SIZE_W16 7680
// There is one timestamp per each 10 ms of audio
// the audio buffer, at max, may contain 32 blocks of 10ms

3
webrtc/modules/audio_coding/main/source/acm_opus.cc
View File

@ -108,7 +108,8 @@ ACMOpus::ACMOpus(int16_t codec_id)
bitrate_(20000), // Default bit-rate.
channels_(1) { // Default mono
codec_id_ = codec_id;
// Opus has internal DTX, but we dont use it for now.
// Opus has internal DTX, but we don't use it for now.
has_internal_dtx_ = false;
if (codec_id_ != ACMCodecDB::kOpus) {

14
webrtc/modules/audio_coding/main/test/TestAllCodecs.cc
View File

@ -624,19 +624,19 @@ void TestAllCodecs::Perform() {
test_count_++;
OpenOutFile(test_count_);
char codec_opus[] = "OPUS";
RegisterSendCodec('A', codec_opus, 48000, 6000, 960, -1);
RegisterSendCodec('A', codec_opus, 48000, 6000, 480, -1);
Run(channel_a_to_b_);
RegisterSendCodec('A', codec_opus, 48000, 20000, 960, -1);
RegisterSendCodec('A', codec_opus, 48000, 20000, 480*2, -1);
Run(channel_a_to_b_);
RegisterSendCodec('A', codec_opus, 48000, 32000, 960, -1);
RegisterSendCodec('A', codec_opus, 48000, 32000, 480*4, -1);
Run(channel_a_to_b_);
RegisterSendCodec('A', codec_opus, 48000, 48000, 960, -1);
RegisterSendCodec('A', codec_opus, 48000, 48000, 480, -1);
Run(channel_a_to_b_);
RegisterSendCodec('A', codec_opus, 48000, 64000, 960, -1);
RegisterSendCodec('A', codec_opus, 48000, 64000, 480*4, -1);
Run(channel_a_to_b_);
RegisterSendCodec('A', codec_opus, 48000, 96000, 960, -1);
RegisterSendCodec('A', codec_opus, 48000, 96000, 480*6, -1);
Run(channel_a_to_b_);
RegisterSendCodec('A', codec_opus, 48000, 500000, 960, -1);
RegisterSendCodec('A', codec_opus, 48000, 500000, 480*2, -1);
Run(channel_a_to_b_);
outfile_b_.Close();
#endif

61
webrtc/modules/audio_coding/main/test/TestStereo.cc
View File

@ -230,7 +230,7 @@ void TestStereo::Perform() {
EXPECT_EQ(0, acm_a_->VAD(dtx, vad, vad_mode));
EXPECT_FALSE(dtx);
EXPECT_FALSE(vad);
if(test_mode_ != 0) {
if (test_mode_ != 0) {
printf("\n");
}
@ -243,7 +243,7 @@ void TestStereo::Perform() {
// All codecs are tested for all allowed sampling frequencies, rates and
// packet sizes.
#ifdef WEBRTC_CODEC_G722
if(test_mode_ != 0) {
if (test_mode_ != 0) {
printf("===========================================================\n");
printf("Test number: %d\n",test_cntr_ + 1);
printf("Test type: Stereo-to-stereo\n");
@ -273,7 +273,7 @@ void TestStereo::Perform() {
out_file_.Close();
#endif
#ifdef WEBRTC_CODEC_PCM16
if(test_mode_ != 0) {
if (test_mode_ != 0) {
printf("===========================================================\n");
printf("Test number: %d\n",test_cntr_ + 1);
printf("Test type: Stereo-to-stereo\n");
@ -296,7 +296,7 @@ void TestStereo::Perform() {
Run(channel_a2b_, audio_channels, codec_channels);
out_file_.Close();
if(test_mode_ != 0) {
if (test_mode_ != 0) {
printf("===========================================================\n");
printf("Test number: %d\n",test_cntr_ + 1);
printf("Test type: Stereo-to-stereo\n");
@ -317,7 +317,7 @@ void TestStereo::Perform() {
Run(channel_a2b_, audio_channels, codec_channels);
out_file_.Close();
if(test_mode_ != 0) {
if (test_mode_ != 0) {
printf("===========================================================\n");
printf("Test number: %d\n",test_cntr_ + 1);
printf("Test type: Stereo-to-stereo\n");
@ -412,7 +412,7 @@ void TestStereo::Perform() {
out_file_.Close();
#endif
#ifdef WEBRTC_CODEC_CELT
if(test_mode_ != 0) {
if (test_mode_ != 0) {
printf("===========================================================\n");
printf("Test number: %d\n",test_cntr_ + 1);
printf("Test type: Stereo-to-stereo\n");
@ -435,7 +435,7 @@ void TestStereo::Perform() {
out_file_.Close();
#endif
#ifdef WEBRTC_CODEC_OPUS
if(test_mode_ != 0) {
if (test_mode_ != 0) {
printf("===========================================================\n");
printf("Test number: %d\n",test_cntr_ + 1);
printf("Test type: Stereo-to-stereo\n");
@ -445,11 +445,26 @@ void TestStereo::Perform() {
codec_channels = 2;
test_cntr_++;
OpenOutFile(test_cntr_);
char codec_opus[] = "opus";
RegisterSendCodec('A', codec_opus, 48000, 40000, 960, codec_channels,
// Run Opus with 10 ms frame size.
RegisterSendCodec('A', codec_opus, 48000, 64000, 480, codec_channels,
opus_pltype_);
Run(channel_a2b_, audio_channels, codec_channels);
RegisterSendCodec('A', codec_opus, 48000, 64000, 960, codec_channels,
// Run Opus with 20 ms frame size.
RegisterSendCodec('A', codec_opus, 48000, 64000, 480*2, codec_channels,
opus_pltype_);
Run(channel_a2b_, audio_channels, codec_channels);
// Run Opus with 40 ms frame size.
RegisterSendCodec('A', codec_opus, 48000, 64000, 480*4, codec_channels,
opus_pltype_);
Run(channel_a2b_, audio_channels, codec_channels);
// Run Opus with 60 ms frame size.
RegisterSendCodec('A', codec_opus, 48000, 64000, 480*6, codec_channels,
opus_pltype_);
Run(channel_a2b_, audio_channels, codec_channels);
// Run Opus with 20 ms frame size and different bitrates.
RegisterSendCodec('A', codec_opus, 48000, 40000, 960, codec_channels,
opus_pltype_);
Run(channel_a2b_, audio_channels, codec_channels);
RegisterSendCodec('A', codec_opus, 48000, 510000, 960, codec_channels,
@ -464,7 +479,7 @@ void TestStereo::Perform() {
codec_channels = 2;
#ifdef WEBRTC_CODEC_G722
if(test_mode_ != 0) {
if (test_mode_ != 0) {
printf("===============================================================\n");
printf("Test number: %d\n",test_cntr_ + 1);
printf("Test type: Mono-to-stereo\n");
@ -478,7 +493,7 @@ void TestStereo::Perform() {
out_file_.Close();
#endif
#ifdef WEBRTC_CODEC_PCM16
if(test_mode_ != 0) {
if (test_mode_ != 0) {
printf("===============================================================\n");
printf("Test number: %d\n",test_cntr_ + 1);
printf("Test type: Mono-to-stereo\n");
@ -490,7 +505,7 @@ void TestStereo::Perform() {
l16_8khz_pltype_);
Run(channel_a2b_, audio_channels, codec_channels);
out_file_.Close();
if(test_mode_ != 0) {
if (test_mode_ != 0) {
printf("===============================================================\n");
printf("Test number: %d\n",test_cntr_ + 1);
printf("Test type: Mono-to-stereo\n");
@ -501,7 +516,7 @@ void TestStereo::Perform() {
l16_16khz_pltype_);
Run(channel_a2b_, audio_channels, codec_channels);
out_file_.Close();
if(test_mode_ != 0) {
if (test_mode_ != 0) {
printf("===============================================================\n");
printf("Test number: %d\n",test_cntr_ + 1);
printf("Test type: Mono-to-stereo\n");
@ -514,7 +529,7 @@ void TestStereo::Perform() {
out_file_.Close();
#endif
#ifdef PCMA_AND_PCMU
if(test_mode_ != 0) {
if (test_mode_ != 0) {
printf("===============================================================\n");
printf("Test number: %d\n",test_cntr_ + 1);
printf("Test type: Mono-to-stereo\n");
@ -531,7 +546,7 @@ void TestStereo::Perform() {
out_file_.Close();
#endif
#ifdef WEBRTC_CODEC_CELT
if(test_mode_ != 0) {
if (test_mode_ != 0) {
printf("===============================================================\n");
printf("Test number: %d\n",test_cntr_ + 1);
printf("Test type: Mono-to-stereo\n");
@ -545,7 +560,7 @@ void TestStereo::Perform() {
out_file_.Close();
#endif
#ifdef WEBRTC_CODEC_OPUS
if(test_mode_ != 0) {
if (test_mode_ != 0) {
printf("===============================================================\n");
printf("Test number: %d\n",test_cntr_ + 1);
printf("Test type: Mono-to-stereo\n");
@ -574,7 +589,7 @@ void TestStereo::Perform() {
#ifdef WEBRTC_CODEC_G722
// Run stereo audio and mono codec.
if(test_mode_ != 0) {
if (test_mode_ != 0) {
printf("===============================================================\n");
printf("Test number: %d\n",test_cntr_ + 1);
printf("Test type: Stereo-to-mono\n");
@ -596,7 +611,7 @@ void TestStereo::Perform() {
out_file_.Close();
#endif
#ifdef WEBRTC_CODEC_PCM16
if(test_mode_ != 0) {
if (test_mode_ != 0) {
printf("===============================================================\n");
printf("Test number: %d\n",test_cntr_ + 1);
printf("Test type: Stereo-to-mono\n");
@ -607,7 +622,7 @@ void TestStereo::Perform() {
l16_8khz_pltype_);
Run(channel_a2b_, audio_channels, codec_channels);
out_file_.Close();
if(test_mode_ != 0) {
if (test_mode_ != 0) {
printf("===============================================================\n");
printf("Test number: %d\n",test_cntr_ + 1);
printf("Test type: Stereo-to-mono\n");
@ -618,7 +633,7 @@ void TestStereo::Perform() {
l16_16khz_pltype_);
Run(channel_a2b_, audio_channels, codec_channels);
out_file_.Close();
if(test_mode_ != 0) {
if (test_mode_ != 0) {
printf("==============================================================\n");
printf("Test number: %d\n",test_cntr_ + 1);
printf("Test type: Stereo-to-mono\n");
@ -631,7 +646,7 @@ void TestStereo::Perform() {
out_file_.Close();
#endif
#ifdef PCMA_AND_PCMU
if(test_mode_ != 0) {
if (test_mode_ != 0) {
printf("===============================================================\n");
printf("Test number: %d\n",test_cntr_ + 1);
printf("Test type: Stereo-to-mono\n");
@ -647,7 +662,7 @@ void TestStereo::Perform() {
out_file_.Close();
#endif
#ifdef WEBRTC_CODEC_CELT
if(test_mode_ != 0) {
if (test_mode_ != 0) {
printf("===============================================================\n");
printf("Test number: %d\n",test_cntr_ + 1);
printf("Test type: Stereo-to-mono\n");
@ -660,7 +675,7 @@ void TestStereo::Perform() {
out_file_.Close();
#endif
#ifdef WEBRTC_CODEC_OPUS
if(test_mode_ != 0) {
if (test_mode_ != 0) {
printf("===============================================================\n");
printf("Test number: %d\n",test_cntr_ + 1);
printf("Test type: Stereo-to-mono\n");