LAV/FFmpeg
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cookdec: convert to lavu/tx

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Lynne 2022-10-29 23:03:45 +02:00
parent 8f3e062314
commit 1d810b650c
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GPG Key ID: A2FEA5F03F034464
2 changed files with 9 additions and 8 deletions
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2
configure vendored
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@ -2804,7 +2804,7 @@ cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
clearvideo_decoder_select="idctdsp"
cllc_decoder_select="bswapdsp"
comfortnoise_encoder_select="lpc"
cook_decoder_select="audiodsp mdct sinewin"
cook_decoder_select="audiodsp sinewin"
cri_decoder_select="mjpeg_decoder"
cscd_decoder_suggest="zlib"
dca_decoder_select="mdct"

15
libavcodec/cook.c
View File

@ -46,6 +46,7 @@
#include "libavutil/lfg.h"
#include "libavutil/mem_internal.h"
#include "libavutil/thread.h"
#include "libavutil/tx.h"
#include "audiodsp.h"
#include "avcodec.h"
@ -53,7 +54,6 @@
#include "bytestream.h"
#include "codec_internal.h"
#include "decode.h"
#include "fft.h"
#include "sinewin.h"
#include "unary.h"
@ -140,7 +140,8 @@ typedef struct cook {
int discarded_packets;
/* transform data */
FFTContext mdct_ctx;
AVTXContext *mdct_ctx;
av_tx_fn mdct_fn;
float* mlt_window;
/* VLC data */
@ -248,6 +249,7 @@ static av_cold int init_cook_mlt(COOKContext *q)
{
int j, ret;
int mlt_size = q->samples_per_channel;
const float scale = 1.0 / 32768.0;
if (!(q->mlt_window = av_malloc_array(mlt_size, sizeof(*q->mlt_window))))
return AVERROR(ENOMEM);
@ -258,11 +260,10 @@ static av_cold int init_cook_mlt(COOKContext *q)
q->mlt_window[j] *= sqrt(2.0 / q->samples_per_channel);
/* Initialize the MDCT. */
ret = ff_mdct_init(&q->mdct_ctx, av_log2(mlt_size) + 1, 1, 1.0 / 32768.0);
ret = av_tx_init(&q->mdct_ctx, &q->mdct_fn, AV_TX_FLOAT_MDCT,
1, mlt_size, &scale, AV_TX_FULL_IMDCT);
if (ret < 0)
return ret;
av_log(q->avctx, AV_LOG_DEBUG, "MDCT initialized, order = %d.\n",
av_log2(mlt_size) + 1);
return 0;
}
@ -336,7 +337,7 @@ static av_cold int cook_decode_close(AVCodecContext *avctx)
av_freep(&q->decoded_bytes_buffer);
/* Free the transform. */
ff_mdct_end(&q->mdct_ctx);
av_tx_uninit(&q->mdct_ctx);
/* Free the VLC tables. */
for (i = 0; i < 13; i++)
@ -743,7 +744,7 @@ static void imlt_gain(COOKContext *q, float *inbuffer,
int i;
/* Inverse modified discrete cosine transform */
q->mdct_ctx.imdct_calc(&q->mdct_ctx, q->mono_mdct_output, inbuffer);
q->mdct_fn(q->mdct_ctx, q->mono_mdct_output, inbuffer, sizeof(float));
q->imlt_window(q, buffer1, gains_ptr, previous_buffer);