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opus: fix hybrid folding indexing during band quantization

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Resulted in valgrind errors due to uninitialized memory.
Also updates fate and makes it use the tron sample result.

Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>
This commit is contained in:
Rostislav Pehlivanov 2017-12-08 03:40:41 +00:00
parent c67c7191b1
commit 4678339e74
2 changed files with 16 additions and 16 deletions
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7
libavcodec/opus.c
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@ -481,13 +481,12 @@ void ff_celt_quant_bands(CeltFrame *f, OpusRangeCoder *rc)
if (i == f->start_band + 1) {
/* Special Hybrid Folding (RFC 8251 section 9). Copy the first band into
the second to ensure the second band never has to use the LCG. */
int offset = 8 * ff_celt_freq_bands[i];
int count = 8 * (ff_celt_freq_range[i] - ff_celt_freq_range[i-1]);
int count = (ff_celt_freq_range[i] - ff_celt_freq_range[i-1]) << f->size;
memcpy(&norm1[offset], &norm1[offset - count], count * sizeof(float));
memcpy(&norm1[band_offset], &norm1[band_offset - count], count * sizeof(float));
if (f->channels == 2)
memcpy(&norm2[offset], &norm2[offset - count], count * sizeof(float));
memcpy(&norm2[band_offset], &norm2[band_offset - count], count * sizeof(float));
}
/* Get a conservative estimate of the collapse_mask's for the bands we're

25
tests/fate/opus.mak
View File

@ -24,18 +24,19 @@ FATE_OPUS := $(sort $(FATE_OPUS))
$(FATE_OPUS): CMP = stddev
$(FATE_OPUS): CMP_UNIT = s16
$(FATE_OPUS): FUZZ = 3
fate-opus-testvector01: CMP_TARGET = 0
fate-opus-testvector02: CMP_TARGET = 191
fate-opus-testvector03: CMP_TARGET = 139
fate-opus-testvector04: CMP_TARGET = 119
fate-opus-testvector05: CMP_TARGET = 109
fate-opus-testvector06: CMP_TARGET = 109
fate-opus-testvector07: CMP_TARGET = 0
fate-opus-testvector08: CMP_TARGET = 6
fate-opus-testvector09: CMP_TARGET = 0
fate-opus-testvector10: CMP_TARGET = 38
fate-opus-testvector11: CMP_TARGET = 0
fate-opus-testvector12: CMP_TARGET = 160
fate-opus-testvector01: CMP_TARGET = 0
fate-opus-testvector02: CMP_TARGET = 191
fate-opus-testvector03: CMP_TARGET = 139
fate-opus-testvector04: CMP_TARGET = 119
fate-opus-testvector05: CMP_TARGET = 108
fate-opus-testvector06: CMP_TARGET = 106
fate-opus-testvector07: CMP_TARGET = 0
fate-opus-testvector08: CMP_TARGET = 6
fate-opus-testvector09: CMP_TARGET = 0
fate-opus-testvector10: CMP_TARGET = 38
fate-opus-testvector11: CMP_TARGET = 0
fate-opus-testvector12: CMP_TARGET = 160
fate-opus-tron.6ch.tinypkts: CMP_TARGET = 0
$(FATE_OPUS_CELT): CMP = oneoff
$(FATE_OPUS_CELT): FUZZ = 6