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Code Issues Releases Activity

avcodec/atrac3plusdec: Use avpriv_float_dsp_alloc()

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-12-03 14:46:33 +01:00
parent c5dc8cc03a
commit 534f901fca
1 changed files with 9 additions and 7 deletions
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16
libavcodec/atrac3plusdec.c
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@ -47,7 +47,7 @@
typedef struct ATRAC3PContext {
GetBitContext gb;
AVFloatDSPContext fdsp;
AVFloatDSPContext *fdsp;
DECLARE_ALIGNED(32, float, samples)[2][ATRAC3P_FRAME_SAMPLES]; ///< quantized MDCT spectrum
DECLARE_ALIGNED(32, float, mdct_buf)[2][ATRAC3P_FRAME_SAMPLES]; ///< output of the IMDCT
@ -67,7 +67,10 @@ typedef struct ATRAC3PContext {
static av_cold int atrac3p_decode_close(AVCodecContext *avctx)
{
av_freep(&((ATRAC3PContext *)(avctx->priv_data))->ch_units);
ATRAC3PContext *ctx = avctx->priv_data;
av_freep(&ctx->ch_units);
av_freep(&ctx->fdsp);
return 0;
}
@ -150,8 +153,6 @@ static av_cold int atrac3p_decode_init(AVCodecContext *avctx)
ff_atrac3p_init_vlcs();
avpriv_float_dsp_init(&ctx->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
/* initialize IPQF */
ff_mdct_init(&ctx->ipqf_dct_ctx, 5, 1, 32.0 / 32768.0);
@ -167,8 +168,9 @@ static av_cold int atrac3p_decode_init(AVCodecContext *avctx)
ctx->my_channel_layout = avctx->channel_layout;
ctx->ch_units = av_mallocz_array(ctx->num_channel_blocks, sizeof(*ctx->ch_units));
ctx->fdsp = avpriv_float_dsp_alloc(avctx->flags & CODEC_FLAG_BITEXACT);
if (!ctx->ch_units) {
if (!ctx->ch_units || !ctx->fdsp) {
atrac3p_decode_close(avctx);
return AVERROR(ENOMEM);
}
@ -265,7 +267,7 @@ static void reconstruct_frame(ATRAC3PContext *ctx, Atrac3pChanUnitCtx *ch_unit,
for (ch = 0; ch < num_channels; ch++) {
for (sb = 0; sb < ch_unit->num_subbands; sb++) {
/* inverse transform and windowing */
ff_atrac3p_imdct(&ctx->fdsp, &ctx->mdct_ctx,
ff_atrac3p_imdct(ctx->fdsp, &ctx->mdct_ctx,
&ctx->samples[ch][sb * ATRAC3P_SUBBAND_SAMPLES],
&ctx->mdct_buf[ch][sb * ATRAC3P_SUBBAND_SAMPLES],
(ch_unit->channels[ch].wnd_shape_prev[sb] << 1) +
@ -299,7 +301,7 @@ static void reconstruct_frame(ATRAC3PContext *ctx, Atrac3pChanUnitCtx *ch_unit,
for (sb = 0; sb < ch_unit->num_subbands; sb++)
if (ch_unit->channels[ch].tones_info[sb].num_wavs ||
ch_unit->channels[ch].tones_info_prev[sb].num_wavs) {
ff_atrac3p_generate_tones(ch_unit, &ctx->fdsp, ch, sb,
ff_atrac3p_generate_tones(ch_unit, ctx->fdsp, ch, sb,
&ctx->time_buf[ch][sb * 128]);
}
}