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-rw-r--r--libAACenc/include/aacenc_lib.h3
-rw-r--r--libAACenc/src/aacenc.cpp47
-rw-r--r--libAACenc/src/aacenc_lib.cpp54
-rw-r--r--libAACenc/src/psy_main.cpp2
-rw-r--r--libAACenc/src/qc_main.cpp8
5 files changed, 102 insertions, 12 deletions
diff --git a/libAACenc/include/aacenc_lib.h b/libAACenc/include/aacenc_lib.h
index 94a506a..6e4cbed 100644
--- a/libAACenc/include/aacenc_lib.h
+++ b/libAACenc/include/aacenc_lib.h
@@ -1023,8 +1023,9 @@ typedef enum
For AAC-ELD, the SBR information is transmitted in the ELDSpecific Config, which is part of the
AudioSpecificConfig. Therefore, the settings here will have no effect on AAC-ELD.*/
- AACENC_TPSUBFRAMES = 0x0303, /*!< Number of sub frames in a transport frame for LOAS/LATM or ADTS (default 1).
+ AACENC_TPSUBFRAMES = 0x0303, /*!< Number of sub frames in a transport frame for LOAS/LATM, DAB+ or ADTS (default 1).
- ADTS: Maximum number of sub frames restricted to 4.
+ - DAB+: Maximum number of sub frames restricted to 6.
- LOAS/LATM: Maximum number of sub frames restricted to 2.*/
AACENC_PROTECTION = 0x0306, /*!< Configure protection in tranpsort layer:
diff --git a/libAACenc/src/aacenc.cpp b/libAACenc/src/aacenc.cpp
index e0bda19..3585d80 100644
--- a/libAACenc/src/aacenc.cpp
+++ b/libAACenc/src/aacenc.cpp
@@ -87,7 +87,7 @@ amm-info@iis.fraunhofer.de
contents/description: fast aac coder functions
******************************************************************************/
-
+#include <stdio.h>
#include "aacenc.h"
#include "bitenc.h"
@@ -137,6 +137,7 @@ INT FDKaacEnc_LimitBitrate(
do {
prevBitRate = bitRate;
averageBitsPerFrame = (bitRate*(frameLength>>shift)) / (coreSamplingRate>>shift) / nSubFrames;
+ fprintf(stderr, "FDKaacEnc_LimitBitrate(): averageBitsPerFrame=%d, prevBitRate=%d, nSubFrames=%d\n", averageBitsPerFrame, prevBitRate, bitRate);
if (pAverageBitsPerFrame != NULL) {
*pAverageBitsPerFrame = averageBitsPerFrame;
@@ -144,19 +145,27 @@ INT FDKaacEnc_LimitBitrate(
if (hTpEnc != NULL) {
transportBits = transportEnc_GetStaticBits(hTpEnc, averageBitsPerFrame);
+ //if(hTpEnc->transportFmt == TT_DABPLUS) {
+ fprintf(stderr, "FDKaacEnc_LimitBitrate(): hTpEnc != NULL\n");
+ //transportBits +=
+ //}
} else {
/* Assume some worst case */
transportBits = 208;
}
+ fprintf(stderr, "FDKaacEnc_LimitBitrate(): transportBits=%d, FDKmax(%d, %d)\n", transportBits, bitRate,
+ ((((40 * nChannels) + transportBits) * (coreSamplingRate)) / frameLength));
bitRate = FDKmax(bitRate, ((((40 * nChannels) + transportBits) * (coreSamplingRate)) / frameLength) );
FDK_ASSERT(bitRate >= 0);
+ fprintf(stderr, "FDKaacEnc_LimitBitrate(): FDKmin(%d, %d)\n", bitRate, ((nChannelsEff * MIN_BUFSIZE_PER_EFF_CHAN)*(coreSamplingRate>>shift)) / (frameLength>>shift));
bitRate = FDKmin(bitRate, ((nChannelsEff * MIN_BUFSIZE_PER_EFF_CHAN)*(coreSamplingRate>>shift)) / (frameLength>>shift)) ;
FDK_ASSERT(bitRate >= 0);
} while (prevBitRate != bitRate && iter++ < 3) ;
+ fprintf(stderr, "FDKaacEnc_LimitBitrate(): bitRate=%d\n", bitRate);
return bitRate;
}
@@ -422,6 +431,36 @@ AAC_ENCODER_ERROR FDKaacEnc_Initialize(HANDLE_AAC_ENC hAacEnc,
return AAC_ENC_UNSUPPORTED_BITRATE;
}
+ INT superframe_size = 110*8*(config->bitRate/8000);
+ INT frames_per_superframe = 6;
+ INT staticBits = 0;
+ if((config->syntaxFlags & AC_DAB) && hTpEnc) {
+ staticBits = transportEnc_GetStaticBits(hTpEnc, 0);
+ switch(config->sampleRate) {
+ case 48000:
+ frames_per_superframe=6;
+ break;
+ case 32000:
+ frames_per_superframe=4;
+ break;
+ case 24000:
+ frames_per_superframe=3;
+ break;
+ case 16000:
+ frames_per_superframe=2;
+ break;
+ }
+
+ //config->nSubFrames = frames_per_superframe;
+ fprintf(stderr, "DAB+ superframe size=%d\n", superframe_size);
+ config->bitRate = (superframe_size - 16*(frames_per_superframe-1) - staticBits) * 1000/120;
+ fprintf(stderr, "DAB+ tuned bitrate=%d\n", config->bitRate);
+ config->maxBitsPerFrame = (superframe_size - 16*(frames_per_superframe-1) - staticBits) / frames_per_superframe;
+ config->maxBitsPerFrame += 7; /*padding*/
+ //config->bitreservoir=(superframe_size - 16*(frames_per_superframe-1) - staticBits - 2*8)/frames_per_superframe;
+ fprintf(stderr, "DAB+ tuned maxBitsPerFrame=%d\n", (superframe_size - 16*(frames_per_superframe-1) - staticBits)/frames_per_superframe);
+ }
+
/* check bit rate */
if (FDKaacEnc_LimitBitrate(
@@ -571,12 +610,15 @@ AAC_ENCODER_ERROR FDKaacEnc_Initialize(HANDLE_AAC_ENC hAacEnc,
qcInit.averageBits = (averageBitsPerFrame+7)&~7;
maxBitres = (MIN_BUFSIZE_PER_EFF_CHAN*cm->nChannelsEff) - qcInit.averageBits;
qcInit.bitRes = (config->bitreservoir!=-1) ? FDKmin(config->bitreservoir, maxBitres) : maxBitres;
+ fprintf(stderr, "qcInit.bitRes=%d\n", qcInit.bitRes);
qcInit.maxBits = fixMin(MIN_BUFSIZE_PER_EFF_CHAN*cm->nChannelsEff, ((averageBitsPerFrame+7)&~7)+qcInit.bitRes);
qcInit.maxBits = (config->maxBitsPerFrame!=-1) ? fixMin(qcInit.maxBits, config->maxBitsPerFrame) : qcInit.maxBits;
+ fprintf(stderr, "qcInit.maxBits=%d\n", qcInit.maxBits);
qcInit.minBits = fixMax(0, ((averageBitsPerFrame-1)&~7)-qcInit.bitRes-transportEnc_GetStaticBits(hTpEnc, ((averageBitsPerFrame+7)&~7)+qcInit.bitRes));
qcInit.minBits = (config->minBitsPerFrame!=-1) ? fixMax(qcInit.minBits, config->minBitsPerFrame) : qcInit.minBits;
+ fprintf(stderr, "qcInit.minBits=%d\n", qcInit.minBits);
}
qcInit.sampleRate = config->sampleRate;
@@ -872,10 +914,13 @@ AAC_ENCODER_ERROR FDKaacEnc_EncodeFrame( HANDLE_AAC_ENC hAacEnc,
/* adjust super frame bitrate */
avgTotalBits *= hAacEnc->config->nSubFrames;
+ fprintf(stderr, "avgTotalBits=%d x %d\n", avgTotalBits, hAacEnc->config->nSubFrames);
}
/* Make first estimate of transport header overhead.
Take maximum possible frame size into account to prevent bitreservoir underrun. */
+
+ fprintf(stderr, "avgTotalBits=%d, bitResTot=%d\n", avgTotalBits, hAacEnc->qcKernel->bitResTot);
hAacEnc->qcKernel->globHdrBits = transportEnc_GetStaticBits(hTpEnc, avgTotalBits + hAacEnc->qcKernel->bitResTot);
diff --git a/libAACenc/src/aacenc_lib.cpp b/libAACenc/src/aacenc_lib.cpp
index 392a0a6..efde05f 100644
--- a/libAACenc/src/aacenc_lib.cpp
+++ b/libAACenc/src/aacenc_lib.cpp
@@ -87,7 +87,7 @@ amm-info@iis.fraunhofer.de
contents/description: FDK HE-AAC Encoder interface library functions
****************************************************************************/
-
+#include <stdio.h>
#include "aacenc_lib.h"
#include "FDK_audio.h"
#include "aacenc.h"
@@ -427,17 +427,17 @@ static void FDKaacEnc_MapConfig(
/* Map virtual aot to transport aot. */
switch (hAacConfig->audioObjectType) {
- case AOT_MP2_AAC_LC:
case AOT_DABPLUS_AAC_LC:
+ case AOT_MP2_AAC_LC:
transport_AOT = AOT_AAC_LC;
break;
- case AOT_MP2_SBR:
case AOT_DABPLUS_SBR:
+ case AOT_MP2_SBR:
transport_AOT = AOT_SBR;
cc->flags |= CC_SBR;
break;
- case AOT_MP2_PS:
case AOT_DABPLUS_PS:
+ case AOT_MP2_PS:
transport_AOT = AOT_PS;
cc->flags |= CC_SBR;
break;
@@ -484,9 +484,27 @@ static void FDKaacEnc_MapConfig(
cc->flags |= CC_IS_BASELAYER;
cc->channelMode = hAacConfig->channelMode;
- cc->nSubFrames = (hAacConfig->nSubFrames > 1 && extCfg->userTpNsubFrames == 1)
+ if(extCfg->userTpType == TT_DABPLUS && hAacConfig->nSubFrames==1) {
+ switch(hAacConfig->sampleRate) {
+ case 48000:
+ cc->nSubFrames=6;
+ break;
+ case 32000:
+ cc->nSubFrames=4;
+ break;
+ case 24000:
+ cc->nSubFrames=3;
+ break;
+ case 16000:
+ cc->nSubFrames=2;
+ break;
+ }
+ fprintf(stderr, "hAacConfig->nSubFrames=%d hAacConfig->sampleRate=%d\n", hAacConfig->nSubFrames, hAacConfig->sampleRate);
+ } else {
+ cc->nSubFrames = (hAacConfig->nSubFrames > 1 && extCfg->userTpNsubFrames == 1)
? hAacConfig->nSubFrames
: extCfg->userTpNsubFrames;
+ }
cc->flags |= (extCfg->userTpProtection) ? CC_PROTECTION : 0;
@@ -751,6 +769,7 @@ INT aacEncoder_LimitBitrate(
FDK_ASSERT(bitRate > 0);
+ fprintf(stderr, "aacEncoder_LimitBitrate(): bitRate=%d", bitRate);
return bitRate;
}
@@ -809,11 +828,14 @@ AACENC_ERROR FDKaacEnc_AdjustEncSettings(HANDLE_AACENCODER hAacEncoder,
case AOT_DABPLUS_PS:
hAacConfig->syntaxFlags |= ((config->userSbrEnabled) ? AC_SBR_PRESENT : 0);
case AOT_DABPLUS_AAC_LC:
- config->userTpType = (config->userTpType!=TT_UNKNOWN) ? config->userTpType : TT_MP4_RAW;
+ config->userTpType = (config->userTpType!=TT_UNKNOWN) ? config->userTpType : TT_DABPLUS;
hAacConfig->framelength = (config->userFramelength!=(UINT)-1) ? config->userFramelength : 960;
if (hAacConfig->framelength != 960) {
return AACENC_INVALID_CONFIG;
}
+ config->userTpSignaling=2;
+ if(config->userTpType == TT_DABPLUS)
+ hAacConfig->syntaxFlags |= AC_DAB;
break;
#if 0
case AOT_ER_AAC_LC:
@@ -857,6 +879,22 @@ AACENC_ERROR FDKaacEnc_AdjustEncSettings(HANDLE_AACENCODER hAacEncoder,
break;
}
+ /* We need the frame length to call aacEncoder_LimitBitrate() */
+ fprintf(stderr, "##### WARNING ##### REMOVE ME");
+ fprintf(stderr, "config->userBitrate=%d\n", config->userBitrate);
+ hAacConfig->bitRate = aacEncoder_LimitBitrate(
+ NULL,
+ hAacConfig->sampleRate,
+ hAacConfig->framelength,
+ hAacConfig->nChannels,
+ hAacConfig->channelMode,
+ config->userBitrate,
+ hAacConfig->nSubFrames,
+ isSbrActive(hAacConfig),
+ hAacConfig->audioObjectType
+ );
+ fprintf(stderr, "hAacConfig->bitRate=%d\n", hAacConfig->bitRate);
+
switch ( hAacConfig->audioObjectType ) {
case AOT_ER_AAC_LD:
case AOT_ER_AAC_ELD:
@@ -1014,6 +1052,7 @@ AACENC_ERROR FDKaacEnc_AdjustEncSettings(HANDLE_AACENCODER hAacEncoder,
hAacEncoder->metaDataAllowed = 0;
}
+ fprintf(stderr, "hAacEncoder->metaDataAllowed=%d", hAacEncoder->metaDataAllowed);
return err;
}
@@ -1970,6 +2009,7 @@ AACENC_ERROR aacEncoder_SetParam(
|| ((type==TT_MP4_LATM_MCP1) && ((flags&CAPF_LATM) && (flags&CAPF_RAWPACKETS)))
|| ((type==TT_MP4_LOAS) && (flags&CAPF_LOAS))
|| ((type==TT_MP4_RAW) && (flags&CAPF_RAWPACKETS))
+ || ((type==TT_DABPLUS) && ((flags&CAPF_DAB_AAC) && (flags&CAPF_RAWPACKETS)))
) )
{
err = AACENC_INVALID_CONFIG;
@@ -2007,7 +2047,7 @@ AACENC_ERROR aacEncoder_SetParam(
break;
case AACENC_TPSUBFRAMES:
if (settings->userTpNsubFrames != value) {
- if (! ( (value>=1) && (value<=4) ) ) {
+ if (! ( (value>=1) && (value<=6) ) ) {
err = AACENC_INVALID_CONFIG;
break;
}
diff --git a/libAACenc/src/psy_main.cpp b/libAACenc/src/psy_main.cpp
index 59193c7..a544b1b 100644
--- a/libAACenc/src/psy_main.cpp
+++ b/libAACenc/src/psy_main.cpp
@@ -815,7 +815,7 @@ AAC_ENCODER_ERROR FDKaacEnc_psyMain(INT channels,
&hThisPsyConf[1]->tnsConf);
}
- FDK_ASSERT(commonWindow=1); /* all checks for TNS do only work for common windows (which is always set)*/
+ FDK_ASSERT(commonWindow==1); /* all checks for TNS do only work for common windows (which is always set)*/
for(w = 0; w < nWindows[0]; w++)
{
if (isShortWindow[0])
diff --git a/libAACenc/src/qc_main.cpp b/libAACenc/src/qc_main.cpp
index b74510a..d7799a5 100644
--- a/libAACenc/src/qc_main.cpp
+++ b/libAACenc/src/qc_main.cpp
@@ -87,7 +87,7 @@ amm-info@iis.fraunhofer.de
contents/description: Quantizing & coding
******************************************************************************/
-
+#include <stdio.h>
#include "qc_main.h"
#include "quantize.h"
#include "interface.h"
@@ -491,20 +491,24 @@ AAC_ENCODER_ERROR FDKaacEnc_AdjustBitrate(QC_STATE *RESTRICT hQC,
INT sampleRate, /* output sampling rate */
INT granuleLength) /* frame length */
{
- INT paddingOn;
+ INT paddingOn=0;
INT frameLen;
+ fprintf(stderr, "hQC->padding.paddingRest=%d bytes! (before)\n", hQC->padding.paddingRest);
/* Do we need an extra padding byte? */
paddingOn = FDKaacEnc_framePadding(bitRate,
sampleRate,
granuleLength,
&hQC->padding.paddingRest);
+ fprintf(stderr, "hQC->padding.paddingRest=%d bytes! (after)\n", hQC->padding.paddingRest);
frameLen = paddingOn + FDKaacEnc_calcFrameLen(bitRate,
sampleRate,
granuleLength,
FRAME_LEN_BYTES_INT);
+ fprintf(stderr, "frameLen=%d bytes!\n", frameLen);
+
*avgTotalBits = frameLen<<3;
return AAC_ENC_OK;
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-21 14:47:59 +0000