diff options
Diffstat (limited to 'libAACenc/src/aacenc_tns.cpp')
| -rw-r--r-- | libAACenc/src/aacenc_tns.cpp | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/libAACenc/src/aacenc_tns.cpp b/libAACenc/src/aacenc_tns.cpp index 3026d69..f036518 100644 --- a/libAACenc/src/aacenc_tns.cpp +++ b/libAACenc/src/aacenc_tns.cpp @@ -166,6 +166,22 @@ static const TNS_MAX_TAB_ENTRY tnsMaxBandsTab1024[] = { 8000, { 39, 14}} }; +static const TNS_MAX_TAB_ENTRY tnsMaxBandsTab960[] = +{ + { 96000, { 31, 9}}, + { 88200, { 31, 9}}, + { 64000, { 34, 10}}, + { 48000, { 49, 14}}, + { 44100, { 49, 14}}, + { 32000, { 49, 14}}, + { 24000, { 46, 15}}, + { 22050, { 46, 14}}, + { 16000, { 46, 15}}, + { 12000, { 42, 15}}, + { 11025, { 42, 15}}, + { 8000, { 40, 15}} +}; + static const TNS_MAX_TAB_ENTRY tnsMaxBandsTab480[] = { { 48000, { 31, -1}}, @@ -261,6 +277,10 @@ static INT getTnsMaxBands( int maxBandsTabSize = 0; switch (granuleLength) { + case 960: + pMaxBandsTab = tnsMaxBandsTab960; + maxBandsTabSize = sizeof(tnsMaxBandsTab960)/sizeof(TNS_MAX_TAB_ENTRY); + break; case 1024: pMaxBandsTab = tnsMaxBandsTab1024; maxBandsTabSize = sizeof(tnsMaxBandsTab1024)/sizeof(TNS_MAX_TAB_ENTRY); @@ -386,6 +406,7 @@ AAC_ENCODER_ERROR FDKaacEnc_InitTnsConfiguration(INT bitRate, tC->lpcStopLine = pC->sfbOffset[tC->lpcStopBand]; switch (granuleLength) { + case 960: case 1024: /* TNS start line: skip lower MDCT lines to prevent artifacts due to filter mismatch */ tC->lpcStartBand[LOFILT] = (blockType == SHORT_WINDOW) ? 0 : ((sampleRate <= 8000) ? 2 : ((sampleRate < 18783) ? 4 : 8)); |