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Searched refs:loudness (Results 1 – 7 of 7) sorted by relevance

/third_party/ffmpeg/libavcodec/
Dsbc.c85 int bitneed[2][8], loudness, max_bitneed, bitcount, slicecount, bitslice; in ff_sbc_calculate_bits() local
102 loudness = frame->scale_factor[ch][sb] - sbc_offset4[sf][sb]; in ff_sbc_calculate_bits()
104 loudness = frame->scale_factor[ch][sb] - sbc_offset8[sf][sb]; in ff_sbc_calculate_bits()
105 if (loudness > 0) in ff_sbc_calculate_bits()
106 bitneed[ch][sb] = loudness / 2; in ff_sbc_calculate_bits()
108 bitneed[ch][sb] = loudness; in ff_sbc_calculate_bits()
167 int bitneed[2][8], loudness, max_bitneed, bitcount, slicecount, bitslice; in ff_sbc_calculate_bits() local
186 loudness = frame->scale_factor[ch][sb] - sbc_offset4[sf][sb]; in ff_sbc_calculate_bits()
188 loudness = frame->scale_factor[ch][sb] - sbc_offset8[sf][sb]; in ff_sbc_calculate_bits()
189 if (loudness > 0) in ff_sbc_calculate_bits()
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/third_party/ffmpeg/tools/
Dnormalize.py20 loudness = ref = -23 variable
24 loudness = sline variable
25 adjust = ref - float(loudness)
/third_party/ffmpeg/libavfilter/
Df_ebur128.c77 double loudness; ///< L = -0.691 + 10 * log10(E) member
477 #define ENERGY(loudness) (ff_exp10(((loudness) + 0.691) / 10.)) argument
489 h[i].loudness = i / (double)HIST_GRAIN + ABS_THRES; in get_histogram()
490 h[i].energy = ENERGY(h[i].loudness); in get_histogram()
558 double loudness, int gate_thres) in gate_update() argument
565 ipower = av_clip(HIST_POS(loudness), 0, HIST_SIZE - 1); in gate_update()
738 ebur128->lra_low = ebur128->i3000.histogram[i].loudness; in filter_frame()
749 ebur128->lra_high = ebur128->i3000.histogram[i].loudness; in filter_frame()
/third_party/gstreamer/gstplugins_bad/gst/audiovisualizers/
DREADME74 - we could use loudness like determined in level-meter
/third_party/libsnd/
DNEWS94 * Add BWF v2 loudness parameters.
/third_party/ffmpeg/doc/
Dfilters.texi371 improve the overall loudness. It's done to get the highest attention
841 loudness of the reflected signal is the @code{decay}.
859 Set list of loudness of reflected signals separated by '|'.
3929 that the RMS is a better approximation of the "perceived loudness" than
3931 frames to a constant RMS value, a uniform "perceived loudness" can be
4817 EBU R128 loudness normalization. Includes both dynamic and linear normalization modes.
4827 Set integrated loudness target.
4831 Set loudness range target.
4862 be lower than source LRA and the change in integrated loudness shouldn't
24885 EBU R128 scanner filter. This filter takes an audio stream and analyzes its loudness
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/third_party/ffmpeg/
DChangelog1092 - filter for loudness analysis following EBU R128