diff options
Diffstat (limited to 'libavfilter/af_anlmdn.c')
-rw-r--r-- | libavfilter/af_anlmdn.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/libavfilter/af_anlmdn.c b/libavfilter/af_anlmdn.c index c637f17..87c49c6 100644 --- a/libavfilter/af_anlmdn.c +++ b/libavfilter/af_anlmdn.c @@ -41,6 +41,7 @@ typedef struct AudioNLMeansContext { float a; int64_t pd; int64_t rd; + int om; float pdiff_lut_scale; float weight_lut[WEIGHT_LUT_SIZE]; @@ -62,6 +63,13 @@ typedef struct AudioNLMeansContext { AudioNLMDNDSPContext dsp; } AudioNLMeansContext; +enum OutModes { + IN_MODE, + OUT_MODE, + NOISE_MODE, + NB_MODES +}; + #define OFFSET(x) offsetof(AudioNLMeansContext, x) #define AF AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM @@ -69,6 +77,10 @@ static const AVOption anlmdn_options[] = { { "s", "set denoising strength", OFFSET(a), AV_OPT_TYPE_FLOAT, {.dbl=0.00001},0.00001, 10, AF }, { "p", "set patch duration", OFFSET(pd), AV_OPT_TYPE_DURATION, {.i64=2000}, 1000, 100000, AF }, { "r", "set research duration", OFFSET(rd), AV_OPT_TYPE_DURATION, {.i64=6000}, 2000, 300000, AF }, + { "o", "set output mode", OFFSET(om), AV_OPT_TYPE_INT, {.i64=OUT_MODE}, 0, NB_MODES-1, AF, "mode" }, + { "i", "input", 0, AV_OPT_TYPE_CONST, {.i64=IN_MODE}, 0, 0, AF, "mode" }, + { "o", "output", 0, AV_OPT_TYPE_CONST, {.i64=OUT_MODE}, 0, 0, AF, "mode" }, + { "n", "noise", 0, AV_OPT_TYPE_CONST, {.i64=NOISE_MODE},0, 0, AF, "mode" }, { NULL } }; @@ -184,6 +196,7 @@ static int filter_channel(AVFilterContext *ctx, void *arg, int ch, int nb_jobs) AVFrame *out = arg; const int S = s->S; const int K = s->K; + const int om = s->om; const float *f = (const float *)(s->in->extended_data[ch]) + K; float *cache = (float *)s->cache->extended_data[ch]; const float sw = (65536.f / (4 * K + 2)) / sqrtf(s->a); @@ -223,7 +236,11 @@ static int filter_channel(AVFilterContext *ctx, void *arg, int ch, int nb_jobs) P += f[i]; Q += 1; - dst[i - S] = P / Q; + switch (om) { + case IN_MODE: dst[i - S] = f[i]; break; + case OUT_MODE: dst[i - S] = P / Q; break; + case NOISE_MODE: dst[i - S] = f[i] - (P / Q); break; + } } return 0; |