diff options
Diffstat (limited to 'libavcodec/aacsbr_template.c')
| -rw-r--r-- | libavcodec/aacsbr_template.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/libavcodec/aacsbr_template.c b/libavcodec/aacsbr_template.c index 0ae2a9665e..72bec5ca4b 100644 --- a/libavcodec/aacsbr_template.c +++ b/libavcodec/aacsbr_template.c @@ -1163,6 +1163,9 @@ static void sbr_qmf_analysis(AVFloatDSPContext *dsp, FFTContext *mdct, INTFLOAT z[320], INTFLOAT W[2][32][32][2], int buf_idx) { int i; +#if USE_FIXED + int j; +#endif memcpy(x , x+1024, (320-32)*sizeof(x[0])); memcpy(x+288, in, 1024*sizeof(x[0])); for (i = 0; i < 32; i++) { // numTimeSlots*RATE = 16*2 as 960 sample frames @@ -1170,6 +1173,21 @@ static void sbr_qmf_analysis(AVFloatDSPContext *dsp, FFTContext *mdct, dsp->vector_fmul_reverse(z, sbr_qmf_window_ds, x, 320); sbrdsp->sum64x5(z); sbrdsp->qmf_pre_shuffle(z); +#if USE_FIXED + for (j = 64; j < 128; j++) { + if (z[j] > 1<<24) { + av_log(NULL, AV_LOG_WARNING, + "sbr_qmf_analysis: value %09d too large, setting to %09d\n", + z[j], 1<<24); + z[j] = 1<<24; + } else if (z[j] < -(1<<24)) { + av_log(NULL, AV_LOG_WARNING, + "sbr_qmf_analysis: value %09d too small, setting to %09d\n", + z[j], -(1<<24)); + z[j] = -(1<<24); + } + } +#endif mdct->imdct_half(mdct, z, z+64); sbrdsp->qmf_post_shuffle(W[buf_idx][i], z); x += 32; |