#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/ffmath.h"
+#include "libavutil/opt.h"
#include "avcodec.h"
#include "internal.h"
#include "libopus.h"
struct libopus_context {
+ AVClass *class;
OpusMSDecoder *dec;
int pre_skip;
#ifndef OPUS_SET_GAIN
union { int i; double d; } gain;
#endif
+#ifdef OPUS_SET_PHASE_INVERSION_DISABLED_REQUEST
+ int apply_phase_inv;
+#endif
};
#define OPUS_HEAD_SIZE 19
}
#endif
+#ifdef OPUS_SET_PHASE_INVERSION_DISABLED_REQUEST
+ ret = opus_multistream_decoder_ctl(opus->dec,
+ OPUS_SET_PHASE_INVERSION_DISABLED(!opus->apply_phase_inv));
+ if (ret != OPUS_OK)
+ av_log(avc, AV_LOG_WARNING,
+ "Unable to set phase inversion: %s\n",
+ opus_strerror(ret));
+#endif
+
/* Decoder delay (in samples) at 48kHz */
avc->delay = avc->internal->skip_samples = opus->pre_skip;
{
struct libopus_context *opus = avc->priv_data;
- opus_multistream_decoder_destroy(opus->dec);
+ if (opus->dec) {
+ opus_multistream_decoder_destroy(opus->dec);
+ opus->dec = NULL;
+ }
return 0;
}
avc->internal->skip_samples = opus->pre_skip;
}
+
+#define OFFSET(x) offsetof(struct libopus_context, x)
+#define FLAGS AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM
+static const AVOption libopusdec_options[] = {
+#ifdef OPUS_SET_PHASE_INVERSION_DISABLED_REQUEST
+ { "apply_phase_inv", "Apply intensity stereo phase inversion", OFFSET(apply_phase_inv), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, FLAGS },
+#endif
+ { NULL },
+};
+
+static const AVClass libopusdec_class = {
+ .class_name = "libopusdec",
+ .item_name = av_default_item_name,
+ .option = libopusdec_options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+
AVCodec ff_libopus_decoder = {
.name = "libopus",
.long_name = NULL_IF_CONFIG_SMALL("libopus Opus"),
.decode = libopus_decode,
.flush = libopus_flush,
.capabilities = AV_CODEC_CAP_DR1,
+ .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
.sample_fmts = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_FLT,
AV_SAMPLE_FMT_S16,
AV_SAMPLE_FMT_NONE },
+ .priv_class = &libopusdec_class,
.wrapper_name = "libopus",
};