Since bit allocation params do not change, set them once at init. Left in
commented-out line in compute_bit_allocation() for when parameters will be
modified per-frame.
---
libavcodec/ac3enc.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git libavcodec/ac3enc.c libavcodec/ac3enc.c
index 8346f92..46be2c7 100644
--- libavcodec/ac3enc.c
+++ libavcodec/ac3enc.c
@@ -732,7 +732,9 @@ static int compute_bit_allocation(AC3EncodeContext *s,
int16_t psd[AC3_MAX_BLOCKS][AC3_MAX_CHANNELS][AC3_MAX_COEFS];
int16_t mask[AC3_MAX_BLOCKS][AC3_MAX_CHANNELS][50];
- set_bit_alloc_params(s);
+ /* For now bit alloc params do not change and they have already been set at
+ init. When this changes, uncomment the line below. */
+ //set_bit_alloc_params(s);
frame_bits = count_frame_bits(s, exp_strategy, frame_bits);
@@ -869,6 +871,9 @@ static av_cold int AC3_encode_init(AVCodecContext *avctx)
for (ch = 0; ch < s->channels; ch++)
s->fast_gain_code[ch] = 4;
+ /* for now bit alloc params do not change so set them here to avoid unnecessary calls */
+ set_bit_alloc_params(s);
+
mdct_init();
for (j = 0; j < 256; j++) {
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