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| author | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2020-09-13 20:59:11 +0200 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2020-09-18 02:50:48 +0200 |
| commit | 04101222f23fef3af57ac2cf1b8835f350fd4e50 (patch) | |
| tree | 66789f0f903d779660e5b4b5d5ffb666d28b07a0 /libavcodec/atrac1.c | |
| parent | ce482266a641a2cbd2900c0c2e4afb24f26cc422 (diff) | |
| download | ffmpeg-04101222f23fef3af57ac2cf1b8835f350fd4e50.tar.gz | |
avcodec/atrac1: Avoid indirection when calling float dsp function
Do this by only keeping the only function pointer from
the AVFloatDSPContext that is needed lateron.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Diffstat (limited to 'libavcodec/atrac1.c')
| -rw-r--r-- | libavcodec/atrac1.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/libavcodec/atrac1.c b/libavcodec/atrac1.c index 4cfb1061c5..b2a2d5e6a1 100644 --- a/libavcodec/atrac1.c +++ b/libavcodec/atrac1.c @@ -80,7 +80,8 @@ typedef struct AT1Ctx { DECLARE_ALIGNED(32, float, high)[512]; float* bands[3]; FFTContext mdct_ctx[3]; - AVFloatDSPContext *fdsp; + void (*vector_fmul_window)(float *dst, const float *src0, + const float *src1, const float *win, int len); } AT1Ctx; /** size of the transform in samples in the long mode for each QMF band */ @@ -140,8 +141,8 @@ static int at1_imdct_block(AT1SUCtx* su, AT1Ctx *q) at1_imdct(q, &q->spec[pos], &su->spectrum[0][ref_pos + start_pos], nbits, band_num); /* overlap and window */ - q->fdsp->vector_fmul_window(&q->bands[band_num][start_pos], prev_buf, - &su->spectrum[0][ref_pos + start_pos], ff_sine_32, 16); + q->vector_fmul_window(&q->bands[band_num][start_pos], prev_buf, + &su->spectrum[0][ref_pos + start_pos], ff_sine_32, 16); prev_buf = &su->spectrum[0][ref_pos+start_pos + 16]; start_pos += block_size; @@ -324,8 +325,6 @@ static av_cold int atrac1_decode_end(AVCodecContext * avctx) ff_mdct_end(&q->mdct_ctx[1]); ff_mdct_end(&q->mdct_ctx[2]); - av_freep(&q->fdsp); - return 0; } @@ -333,6 +332,7 @@ static av_cold int atrac1_decode_end(AVCodecContext * avctx) static av_cold int atrac1_decode_init(AVCodecContext *avctx) { AT1Ctx *q = avctx->priv_data; + AVFloatDSPContext *fdsp; int ret; avctx->sample_fmt = AV_SAMPLE_FMT_FLTP; @@ -360,10 +360,11 @@ static av_cold int atrac1_decode_init(AVCodecContext *avctx) ff_atrac_generate_tables(); - q->fdsp = avpriv_float_dsp_alloc(avctx->flags & AV_CODEC_FLAG_BITEXACT); - if (!q->fdsp) { + fdsp = avpriv_float_dsp_alloc(avctx->flags & AV_CODEC_FLAG_BITEXACT); + if (!fdsp) return AVERROR(ENOMEM); - } + q->vector_fmul_window = fdsp->vector_fmul_window; + av_free(fdsp); q->bands[0] = q->low; q->bands[1] = q->mid; |