int i;
uint8_t silence;
+ if (!avctx->channels)
+ return AVERROR_INVALIDDATA;
+
ff_init_dsd_data();
s = av_malloc_array(sizeof(DSDContext), avctx->channels);
return 0;
}
-static int decode_frame(AVCodecContext *avctx, void *data,
- int *got_frame_ptr, AVPacket *avpkt)
+typedef struct ThreadData {
+ AVFrame *frame;
+ AVPacket *avpkt;
+} ThreadData;
+
+static int dsd_channel(AVCodecContext *avctx, void *tdata, int j, int threadnr)
{
- DSDContext * s = avctx->priv_data;
- AVFrame *frame = data;
- int ret, i;
int lsbf = avctx->codec_id == AV_CODEC_ID_DSD_LSBF || avctx->codec_id == AV_CODEC_ID_DSD_LSBF_PLANAR;
- int src_next;
- int src_stride;
-
- frame->nb_samples = avpkt->size / avctx->channels;
+ DSDContext *s = avctx->priv_data;
+ ThreadData *td = tdata;
+ AVFrame *frame = td->frame;
+ AVPacket *avpkt = td->avpkt;
+ int src_next, src_stride;
+ float *dst = ((float **)frame->extended_data)[j];
if (avctx->codec_id == AV_CODEC_ID_DSD_LSBF_PLANAR || avctx->codec_id == AV_CODEC_ID_DSD_MSBF_PLANAR) {
src_next = frame->nb_samples;
src_stride = avctx->channels;
}
+ ff_dsd2pcm_translate(&s[j], frame->nb_samples, lsbf,
+ avpkt->data + j * src_next, src_stride,
+ dst, 1);
+
+ return 0;
+}
+
+static int decode_frame(AVCodecContext *avctx, void *data,
+ int *got_frame_ptr, AVPacket *avpkt)
+{
+ ThreadData td;
+ AVFrame *frame = data;
+ int ret;
+
+ frame->nb_samples = avpkt->size / avctx->channels;
+
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
return ret;
- for (i = 0; i < avctx->channels; i++) {
- float * dst = ((float **)frame->extended_data)[i];
- ff_dsd2pcm_translate(&s[i], frame->nb_samples, lsbf,
- avpkt->data + i * src_next, src_stride,
- dst, 1);
- }
+ td.frame = frame;
+ td.avpkt = avpkt;
+ avctx->execute2(avctx, dsd_channel, &td, NULL, avctx->channels);
*got_frame_ptr = 1;
return frame->nb_samples * avctx->channels;
.id = AV_CODEC_ID_##id_, \
.init = decode_init, \
.decode = decode_frame, \
+ .capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_SLICE_THREADS, \
.sample_fmts = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_FLTP, \
AV_SAMPLE_FMT_NONE }, \
};