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ac3: convert to lavu/tx

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This commit is contained in:
Lynne
2022-10-26 13:12:58 +02:00
parent 2508e846a8
commit 4cee7ebd75
18 changed files with 100 additions and 118 deletions
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18
libavcodec/ac3enc_float.c
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@@ -75,21 +75,8 @@ static void sum_square_butterfly(AC3EncodeContext *s, float sum[4],
s->ac3dsp.sum_square_butterfly_float(sum, coef0, coef1, len);
}
#include "ac3enc_template.c"
/**
* Finalize MDCT and free allocated memory.
*
* @param s AC-3 encoder private context
*/
static av_cold void ac3_float_mdct_end(AC3EncodeContext *s)
{
ff_mdct_end(&s->mdct);
}
/**
* Initialize MDCT tables.
*
@@ -98,6 +85,7 @@ static av_cold void ac3_float_mdct_end(AC3EncodeContext *s)
*/
static av_cold int ac3_float_mdct_init(AC3EncodeContext *s)
{
const float scale = -2.0 / AC3_WINDOW_SIZE;
float *window = av_malloc_array(AC3_BLOCK_SIZE, sizeof(*window));
if (!window) {
av_log(s->avctx, AV_LOG_ERROR, "Cannot allocate memory.\n");
@@ -107,14 +95,14 @@ static av_cold int ac3_float_mdct_init(AC3EncodeContext *s)
ff_kbd_window_init(window, 5.0, AC3_BLOCK_SIZE);
s->mdct_window = window;
return ff_mdct_init(&s->mdct, 9, 0, -2.0 / AC3_WINDOW_SIZE);
return av_tx_init(&s->tx, &s->tx_fn, AV_TX_FLOAT_MDCT, 0,
AC3_BLOCK_SIZE, &scale, 0);
}
av_cold int ff_ac3_float_encode_init(AVCodecContext *avctx)
{
AC3EncodeContext *s = avctx->priv_data;
s->mdct_end = ac3_float_mdct_end;
s->mdct_init = ac3_float_mdct_init;
s->allocate_sample_buffers = allocate_sample_buffers;
s->fdsp = avpriv_float_dsp_alloc(avctx->flags & AV_CODEC_FLAG_BITEXACT);