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Code Issues Releases Activity

avcodec/libdcadec: add some useful options

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
foo86 2015-12-07 18:48:34 +03:00 committed by Michael Niedermayer
parent 704b278361
commit de12aa51b6
1 changed files with 38 additions and 0 deletions
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38
libavcodec/libdcadec.c
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@ -31,9 +31,12 @@
#include "internal.h"
typedef struct DCADecContext {
const AVClass *class;
struct dcadec_context *ctx;
uint8_t *buffer;
int buffer_size;
int lfe_filter;
int core_only;
} DCADecContext;
static void my_log_cb(int level, const char *file, int line,
@ -240,6 +243,20 @@ static av_cold int dcadec_init(AVCodecContext *avctx)
}
}
if (s->core_only)
flags |= DCADEC_FLAG_CORE_ONLY;
switch (s->lfe_filter) {
#if DCADEC_API_VERSION >= DCADEC_VERSION_CODE(0, 1, 0)
case 1:
flags |= DCADEC_FLAG_CORE_LFE_IIR;
break;
#endif
case 2:
flags |= DCADEC_FLAG_CORE_LFE_FIR;
break;
}
s->ctx = dcadec_context_create(flags);
if (!s->ctx)
return AVERROR(ENOMEM);
@ -252,6 +269,26 @@ static av_cold int dcadec_init(AVCodecContext *avctx)
return 0;
}
#define OFFSET(x) offsetof(DCADecContext, x)
#define PARAM AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM
static const AVOption dcadec_options[] = {
{ "lfe_filter", "Lossy LFE channel interpolation filter", OFFSET(lfe_filter), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 2, PARAM, "lfe_filter" },
{ "default", "Library default", 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, PARAM, "lfe_filter" },
{ "iir", "IIR filter", 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, PARAM, "lfe_filter" },
{ "fir", "FIR filter", 0, AV_OPT_TYPE_CONST, { .i64 = 2 }, INT_MIN, INT_MAX, PARAM, "lfe_filter" },
{ "core_only", "Decode core only without extensions", OFFSET(core_only), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, PARAM },
{ NULL }
};
static const AVClass dcadec_class = {
.class_name = "libdcadec decoder",
.item_name = av_default_item_name,
.option = dcadec_options,
.version = LIBAVUTIL_VERSION_INT,
.category = AV_CLASS_CATEGORY_DECODER,
};
static const AVProfile profiles[] = {
{ FF_PROFILE_DTS, "DTS" },
{ FF_PROFILE_DTS_ES, "DTS-ES" },
@ -275,5 +312,6 @@ AVCodec ff_libdcadec_decoder = {
.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_CHANNEL_CONF,
.sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_S32P, AV_SAMPLE_FMT_S16P,
AV_SAMPLE_FMT_NONE },
.priv_class = &dcadec_class,
.profiles = NULL_IF_CONFIG_SMALL(profiles),
};