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dolby_e: convert to lavu/tx

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Lynne 2022-10-29 23:20:52 +02:00
parent 1d810b650c
commit 2689038f08
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GPG Key ID: A2FEA5F03F034464
2 changed files with 24 additions and 17 deletions
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1
configure vendored
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@ -2813,7 +2813,6 @@ dds_decoder_select="texturedsp"
dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
dnxhd_decoder_select="blockdsp idctdsp"
dnxhd_encoder_select="blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp videodsp"
dolby_e_decoder_select="mdct"
dvvideo_decoder_select="dvprofile idctdsp"
dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
dxa_decoder_deps="zlib"

40
libavcodec/dolby_e.c
View File

@ -24,13 +24,13 @@
#include "libavutil/mem.h"
#include "libavutil/mem_internal.h"
#include "libavutil/opt.h"
#include "libavutil/tx.h"
#include "codec_internal.h"
#include "decode.h"
#include "get_bits.h"
#include "dolby_e.h"
#include "kbdwin.h"
#include "fft.h"
#define MAX_SEGMENTS 2
@ -85,7 +85,8 @@ typedef struct DBEDecodeContext {
DECLARE_ALIGNED(32, float, history)[MAX_CHANNELS][256];
FFTContext imdct[3];
AVTXContext *imdct[2][3];
av_tx_fn imdct_fn[2][3];
AVFloatDSPContext *fdsp;
} DBEDecodeContext;
@ -989,23 +990,23 @@ static int parse_meter(DBEDecodeContext *s1)
static void imdct_calc(DBEDecodeContext *s1, DBEGroup *g, float *result, float *values)
{
FFTContext *imdct = &s1->imdct[g->imdct_idx];
AVTXContext *imdct = s1->imdct[g->imdct_phs == 1][g->imdct_idx];
av_tx_fn imdct_fn = s1->imdct_fn[g->imdct_phs == 1][g->imdct_idx];
int n = 1 << imdct_bits_tab[g->imdct_idx];
int n2 = n >> 1;
int i;
switch (g->imdct_phs) {
case 0:
imdct->imdct_half(imdct, result, values);
for (i = 0; i < n2; i++)
imdct_fn(imdct, result, values, sizeof(float));
for (int i = 0; i < n2; i++)
result[n2 + i] = result[n2 - i - 1];
break;
case 1:
imdct->imdct_calc(imdct, result, values);
imdct_fn(imdct, result, values, sizeof(float));
break;
case 2:
imdct->imdct_half(imdct, result + n2, values);
for (i = 0; i < n2; i++)
imdct_fn(imdct, result + n2, values, sizeof(float));
for (int i = 0; i < n2; i++)
result[i] = -result[n - i - 1];
break;
default:
@ -1152,10 +1153,11 @@ static av_cold void dolby_e_flush(AVCodecContext *avctx)
static av_cold int dolby_e_close(AVCodecContext *avctx)
{
DBEDecodeContext *s = avctx->priv_data;
int i;
for (i = 0; i < 3; i++)
ff_mdct_end(&s->imdct[i]);
for (int i = 0; i < 3; i++) {
av_tx_uninit(&s->imdct[0][i]);
av_tx_uninit(&s->imdct[1][i]);
}
av_freep(&s->fdsp);
return 0;
@ -1252,14 +1254,20 @@ static av_cold int dolby_e_init(AVCodecContext *avctx)
{
static AVOnce init_once = AV_ONCE_INIT;
DBEDecodeContext *s = avctx->priv_data;
int i;
float scale = 2.0f;
int ret;
if (ff_thread_once(&init_once, init_tables))
return AVERROR_UNKNOWN;
for (i = 0; i < 3; i++)
if (ff_mdct_init(&s->imdct[i], imdct_bits_tab[i], 1, 2.0) < 0)
return AVERROR(ENOMEM);
for (int i = 0; i < 3; i++) {
if ((ret = av_tx_init(&s->imdct[0][i], &s->imdct_fn[0][i], AV_TX_FLOAT_MDCT,
1, 1 << imdct_bits_tab[i] - 1, &scale, 0)) < 0)
return ret;
if ((ret = av_tx_init(&s->imdct[1][i], &s->imdct_fn[1][i], AV_TX_FLOAT_MDCT,
1, 1 << imdct_bits_tab[i] - 1, &scale, AV_TX_FULL_IMDCT)) < 0)
return ret;
}
if (!(s->fdsp = avpriv_float_dsp_alloc(0)))
return AVERROR(ENOMEM);