---
sbc/sbc.c | 13 +++++++------
sbc/sbc_primitives.h | 5 +++--
2 files changed, 10 insertions(+), 8 deletions(-)
diff --git a/sbc/sbc.c b/sbc/sbc.c
index 08b4993..6fff132 100644
--- a/sbc/sbc.c
+++ b/sbc/sbc.c
@@ -688,30 +688,30 @@ static int sbc_analyze_audio(struct sbc_encoder_state *state,
switch (frame->subbands) {
case 4:
for (ch = 0; ch < frame->channels; ch++) {
- x = &state->X[ch][state->position - 16 +
+ x = &state->X[ch][state->position - 4 * state->inc +
frame->blocks * 4];
- for (blk = 0; blk < frame->blocks; blk += 4) {
+ for (blk = 0; blk < frame->blocks; blk += state->inc) {
state->sbc_analyze_4b_4s(
state, x,
frame->sb_sample_f[blk][ch],
frame->sb_sample_f[blk + 1][ch] -
frame->sb_sample_f[blk][ch]);
- x -= 16;
+ x -= 4 * state->inc;
}
}
return frame->blocks * 4;
case 8:
for (ch = 0; ch < frame->channels; ch++) {
- x = &state->X[ch][state->position - 32 +
+ x = &state->X[ch][state->position - 8 * state->inc +
frame->blocks * 8];
- for (blk = 0; blk < frame->blocks; blk += 4) {
+ for (blk = 0; blk < frame->blocks; blk += state->inc) {
state->sbc_analyze_4b_8s(
state, x,
frame->sb_sample_f[blk][ch],
frame->sb_sample_f[blk + 1][ch] -
frame->sb_sample_f[blk][ch]);
- x -= 32;
+ x -= 8 * state->inc;
}
}
return frame->blocks * 8;
@@ -906,6 +906,7 @@ static void sbc_encoder_init(struct sbc_encoder_state *state,
{
memset(&state->X, 0, sizeof(state->X));
state->position = (SBC_X_BUFFER_SIZE - frame->subbands * 9) & ~7;
+ state->inc = 4;
sbc_init_primitives(state);
}
diff --git a/sbc/sbc_primitives.h b/sbc/sbc_primitives.h
index 47363db..39cfbf2 100644
--- a/sbc/sbc_primitives.h
+++ b/sbc/sbc_primitives.h
@@ -38,13 +38,14 @@
struct sbc_encoder_state {
int position;
+ int inc;
int16_t SBC_ALIGNED X[2][SBC_X_BUFFER_SIZE];
/* Polyphase analysis filter for 4 subbands configuration,
- * it handles 4 blocks at once */
+ * it handles "inc" blocks at once */
void (*sbc_analyze_4b_4s)(struct sbc_encoder_state *state,
int16_t *x, int32_t *out, int out_stride);
/* Polyphase analysis filter for 8 subbands configuration,
- * it handles 4 blocks at once */
+ * it handles "inc" blocks at once */
void (*sbc_analyze_4b_8s)(struct sbc_encoder_state *state,
int16_t *x, int32_t *out, int out_stride);
/* Process input data (deinterleave, endian conversion, reordering),
--
1.7.9.5
--
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