#include "libavutil/channel_layout.h"
#include "libavutil/float_dsp.h"
+#include "libavutil/mem_internal.h"
+#include "libavutil/thread.h"
#include "avcodec.h"
#include "get_bits.h"
#include "internal.h"
return 0;
}
+static av_cold void atrac3p_init_static(void)
+{
+ ff_atrac3p_init_vlcs();
+ ff_atrac3p_init_dsp_static();
+}
+
static av_cold int atrac3p_decode_init(AVCodecContext *avctx)
{
+ static AVOnce init_static_once = AV_ONCE_INIT;
ATRAC3PContext *ctx = avctx->priv_data;
int i, ch, ret;
return AVERROR(EINVAL);
}
- ff_atrac3p_init_vlcs();
-
/* initialize IPQF */
ff_mdct_init(&ctx->ipqf_dct_ctx, 5, 1, 32.0 / 32768.0);
ff_atrac_init_gain_compensation(&ctx->gainc_ctx, 6, 2);
- ff_atrac3p_init_wave_synth();
-
if ((ret = set_channel_params(ctx, avctx)) < 0)
return ret;
ctx->fdsp = avpriv_float_dsp_alloc(avctx->flags & AV_CODEC_FLAG_BITEXACT);
if (!ctx->ch_units || !ctx->fdsp) {
- atrac3p_decode_close(avctx);
return AVERROR(ENOMEM);
}
avctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
+ ff_thread_once(&init_static_once, atrac3p_init_static);
+
return 0;
}
.type = AVMEDIA_TYPE_AUDIO,
.id = AV_CODEC_ID_ATRAC3P,
.capabilities = AV_CODEC_CAP_DR1,
+ .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
.priv_data_size = sizeof(ATRAC3PContext),
.init = atrac3p_decode_init,
.close = atrac3p_decode_close,
.type = AVMEDIA_TYPE_AUDIO,
.id = AV_CODEC_ID_ATRAC3PAL,
.capabilities = AV_CODEC_CAP_DR1,
+ .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
.priv_data_size = sizeof(ATRAC3PContext),
.init = atrac3p_decode_init,
.close = atrac3p_decode_close,