ffmpeg | branch: master | Lynne <d...@lynne.ee> | Tue Nov 1 09:09:35 2022 +0100| [b59e6b5d99a851b4cf54ddfa5e8a666f05f01ed9] | committer: Lynne
atrac3: convert to lavu/tx > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b59e6b5d99a851b4cf54ddfa5e8a666f05f01ed9 --- configure | 2 -- libavcodec/atrac3.c | 13 ++++++++----- 2 files changed, 8 insertions(+), 7 deletions(-) diff --git a/configure b/configure index 930e8c1b5a..af53716646 100755 --- a/configure +++ b/configure @@ -2792,8 +2792,6 @@ asv1_encoder_select="aandcttables bswapdsp fdctdsp pixblockdsp" asv2_decoder_select="blockdsp bswapdsp idctdsp" asv2_encoder_select="aandcttables bswapdsp fdctdsp pixblockdsp" atrac1_decoder_select="sinewin" -atrac3_decoder_select="mdct" -atrac3al_decoder_select="mdct" atrac3p_decoder_select="mdct sinewin" atrac3pal_decoder_select="mdct sinewin" av1_decoder_select="av1_frame_split_bsf cbs_av1" diff --git a/libavcodec/atrac3.c b/libavcodec/atrac3.c index 12ba55d34d..7415da590b 100644 --- a/libavcodec/atrac3.c +++ b/libavcodec/atrac3.c @@ -40,12 +40,12 @@ #include "libavutil/libm.h" #include "libavutil/mem_internal.h" #include "libavutil/thread.h" +#include "libavutil/tx.h" #include "avcodec.h" #include "bytestream.h" #include "codec_internal.h" #include "decode.h" -#include "fft.h" #include "get_bits.h" #include "atrac.h" @@ -115,7 +115,8 @@ typedef struct ATRAC3Context { //@} AtracGCContext gainc_ctx; - FFTContext mdct_ctx; + AVTXContext *mdct_ctx; + av_tx_fn mdct_fn; void (*vector_fmul)(float *dst, const float *src0, const float *src1, int len); } ATRAC3Context; @@ -147,7 +148,7 @@ static void imlt(ATRAC3Context *q, float *input, float *output, int odd_band) FFSWAP(float, input[i], input[255 - i]); } - q->mdct_ctx.imdct_calc(&q->mdct_ctx, output, input); + q->mdct_fn(q->mdct_ctx, output, input, sizeof(float)); /* Perform windowing on the output. */ q->vector_fmul(output, output, mdct_window, MDCT_SIZE); @@ -201,7 +202,7 @@ static av_cold int atrac3_decode_close(AVCodecContext *avctx) av_freep(&q->units); av_freep(&q->decoded_bytes_buffer); - ff_mdct_end(&q->mdct_ctx); + av_tx_uninit(&q->mdct_ctx); return 0; } @@ -879,6 +880,7 @@ static av_cold int atrac3_decode_init(AVCodecContext *avctx) const uint8_t *edata_ptr = avctx->extradata; ATRAC3Context *q = avctx->priv_data; AVFloatDSPContext *fdsp; + float scale = 1.0 / 32768; int channels = avctx->ch_layout.nb_channels; if (channels < MIN_CHANNELS || channels > MAX_CHANNELS) { @@ -977,7 +979,8 @@ static av_cold int atrac3_decode_init(AVCodecContext *avctx) avctx->sample_fmt = AV_SAMPLE_FMT_FLTP; /* initialize the MDCT transform */ - if ((ret = ff_mdct_init(&q->mdct_ctx, 9, 1, 1.0 / 32768)) < 0) { + if ((ret = av_tx_init(&q->mdct_ctx, &q->mdct_fn, AV_TX_FLOAT_MDCT, 1, 256, + &scale, AV_TX_FULL_IMDCT)) < 0) { av_log(avctx, AV_LOG_ERROR, "Error initializing MDCT\n"); return ret; } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
