#include "libavutil/thread.h"
#include "codec_internal.h"
-#include "internal.h"
+#include "decode.h"
#include "get_bits.h"
-#include "fft.h"
#include "atrac9tab.h"
+#include "libavutil/tx.h"
#include "libavutil/lfg.h"
#include "libavutil/float_dsp.h"
#include "libavutil/mem_internal.h"
typedef struct ATRAC9Context {
AVCodecContext *avctx;
AVFloatDSPContext *fdsp;
- FFTContext imdct;
+ AVTXContext *tx;
+ av_tx_fn tx_fn;
ATRAC9BlockData block[5];
AVLFG lfg;
uint8_t alloc_curve[48][48];
DECLARE_ALIGNED(32, float, imdct_win)[256];
- DECLARE_ALIGNED(32, float, temp)[256];
+ DECLARE_ALIGNED(32, float, temp)[2048];
} ATRAC9Context;
static VLC sf_vlc[2][8]; /* Signed/unsigned, length */
const ptrdiff_t offset = wsize*frame_idx*sizeof(float);
float *dst = (float *)(frame->extended_data[dst_idx] + offset);
- s->imdct.imdct_half(&s->imdct, s->temp, c->coeffs);
+ s->tx_fn(s->tx, s->temp, c->coeffs, sizeof(float));
s->fdsp->vector_fmul_window(dst, c->prev_win, s->temp,
s->imdct_win, wsize >> 1);
memcpy(c->prev_win, s->temp + (wsize >> 1), sizeof(float)*wsize >> 1);
{
ATRAC9Context *s = avctx->priv_data;
- ff_mdct_end(&s->imdct);
+ av_tx_uninit(&s->tx);
av_freep(&s->fdsp);
return 0;
vlc->table = &vlc_buf[*buf_offset];
vlc->table_allocated = FF_ARRAY_ELEMS(vlc_buf) - *buf_offset;
- ff_init_vlc_from_lengths(vlc, nb_bits, nb_codes,
+ ff_vlc_init_from_lengths(vlc, nb_bits, nb_codes,
&(*tab)[0][1], 2, &(*tab)[0][0], 2, 1,
- offset, INIT_VLC_STATIC_OVERLONG, NULL);
+ offset, VLC_INIT_STATIC_OVERLONG, NULL);
*buf_offset += vlc->table_size;
*tab += nb_codes;
}
static av_cold int atrac9_decode_init(AVCodecContext *avctx)
{
+ float scale;
static AVOnce static_table_init = AV_ONCE_INIT;
GetBitContext gb;
ATRAC9Context *s = avctx->priv_data;
- int version, block_config_idx, superframe_idx, alloc_c_len;
+ int err, version, block_config_idx, superframe_idx, alloc_c_len;
s->avctx = avctx;
s->frame_count = 1 << superframe_idx;
s->frame_log2 = at9_tab_sri_frame_log2[s->samplerate_idx];
- if (ff_mdct_init(&s->imdct, s->frame_log2 + 1, 1, 1.0f / 32768.0f))
- return AVERROR(ENOMEM);
+ scale = 1.0f / 32768.0;
+ err = av_tx_init(&s->tx, &s->tx_fn, AV_TX_FLOAT_MDCT, 1,
+ 1 << s->frame_log2, &scale, 0);
+ if (err < 0)
+ return err;
s->fdsp = avpriv_float_dsp_alloc(avctx->flags & AV_CODEC_FLAG_BITEXACT);
if (!s->fdsp)
const FFCodec ff_atrac9_decoder = {
.p.name = "atrac9",
- .p.long_name = NULL_IF_CONFIG_SMALL("ATRAC9 (Adaptive TRansform Acoustic Coding 9)"),
+ CODEC_LONG_NAME("ATRAC9 (Adaptive TRansform Acoustic Coding 9)"),
.p.type = AVMEDIA_TYPE_AUDIO,
.p.id = AV_CODEC_ID_ATRAC9,
.priv_data_size = sizeof(ATRAC9Context),
.close = atrac9_decode_close,
FF_CODEC_DECODE_CB(atrac9_decode_frame),
.flush = atrac9_decode_flush,
- .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
- .p.capabilities = AV_CODEC_CAP_SUBFRAMES | AV_CODEC_CAP_DR1 | AV_CODEC_CAP_CHANNEL_CONF,
+ .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
+ .p.capabilities =
+#if FF_API_SUBFRAMES
+ AV_CODEC_CAP_SUBFRAMES |
+#endif
+ AV_CODEC_CAP_DR1 | AV_CODEC_CAP_CHANNEL_CONF,
};