Searched refs:diff_isf (Results 1 – 7 of 7) sorted by relevance
| /dports/multimedia/handbrake/ffmpeg-4.4/libavcodec/ |
| H A D | amrwbdec.c | 909 static float auto_correlation(float *diff_isf, float mean, int lag) in auto_correlation() argument
915 float prod = (diff_isf[i] - mean) * (diff_isf[i - lag] - mean); in auto_correlation()
930 float diff_isf[LP_ORDER - 2], diff_mean; in extrapolate_isf() local
939 diff_isf[i] = isf[i + 1] - isf[i]; in extrapolate_isf()
943 diff_mean += diff_isf[i] * (1.0f / (LP_ORDER - 4)); in extrapolate_isf()
965 diff_isf[j] = scale * (isf[i] - isf[i - 1]); in extrapolate_isf()
969 if (diff_isf[i] + diff_isf[i - 1] < 5.0) { in extrapolate_isf()
970 if (diff_isf[i] > diff_isf[i - 1]) { in extrapolate_isf()
971 diff_isf[i - 1] = 5.0 - diff_isf[i]; in extrapolate_isf()
973 diff_isf[i] = 5.0 - diff_isf[i - 1]; in extrapolate_isf()
[all …]
|
| /dports/emulators/vice/vice-3.5/src/lib/libffmpeg/libavcodec/ |
| H A D | amrwbdec.c | 907 static float auto_correlation(float *diff_isf, float mean, int lag) in auto_correlation() argument
913 float prod = (diff_isf[i] - mean) * (diff_isf[i - lag] - mean); in auto_correlation()
928 float diff_isf[LP_ORDER - 2], diff_mean; in extrapolate_isf() local
937 diff_isf[i] = isf[i + 1] - isf[i]; in extrapolate_isf()
941 diff_mean += diff_isf[i] * (1.0f / (LP_ORDER - 4)); in extrapolate_isf()
963 diff_isf[j] = scale * (isf[i] - isf[i - 1]); in extrapolate_isf()
967 if (diff_isf[i] + diff_isf[i - 1] < 5.0) { in extrapolate_isf()
968 if (diff_isf[i] > diff_isf[i - 1]) { in extrapolate_isf()
969 diff_isf[i - 1] = 5.0 - diff_isf[i]; in extrapolate_isf()
971 diff_isf[i] = 5.0 - diff_isf[i - 1]; in extrapolate_isf()
[all …]
|
| /dports/multimedia/ffmpeg/ffmpeg-4.4.1/libavcodec/ |
| H A D | amrwbdec.c | 909 static float auto_correlation(float *diff_isf, float mean, int lag) in auto_correlation() argument
915 float prod = (diff_isf[i] - mean) * (diff_isf[i - lag] - mean); in auto_correlation()
930 float diff_isf[LP_ORDER - 2], diff_mean; in extrapolate_isf() local
939 diff_isf[i] = isf[i + 1] - isf[i]; in extrapolate_isf()
943 diff_mean += diff_isf[i] * (1.0f / (LP_ORDER - 4)); in extrapolate_isf()
965 diff_isf[j] = scale * (isf[i] - isf[i - 1]); in extrapolate_isf()
969 if (diff_isf[i] + diff_isf[i - 1] < 5.0) { in extrapolate_isf()
970 if (diff_isf[i] > diff_isf[i - 1]) { in extrapolate_isf()
971 diff_isf[i - 1] = 5.0 - diff_isf[i]; in extrapolate_isf()
973 diff_isf[i] = 5.0 - diff_isf[i - 1]; in extrapolate_isf()
[all …]
|
| /dports/multimedia/gstreamer1-libav/gst-libav-1.16.2/gst-libs/ext/libav/libavcodec/ |
| H A D | amrwbdec.c | 909 static float auto_correlation(float *diff_isf, float mean, int lag) in auto_correlation() argument
915 float prod = (diff_isf[i] - mean) * (diff_isf[i - lag] - mean); in auto_correlation()
930 float diff_isf[LP_ORDER - 2], diff_mean; in extrapolate_isf() local
939 diff_isf[i] = isf[i + 1] - isf[i]; in extrapolate_isf()
943 diff_mean += diff_isf[i] * (1.0f / (LP_ORDER - 4)); in extrapolate_isf()
965 diff_isf[j] = scale * (isf[i] - isf[i - 1]); in extrapolate_isf()
969 if (diff_isf[i] + diff_isf[i - 1] < 5.0) { in extrapolate_isf()
970 if (diff_isf[i] > diff_isf[i - 1]) { in extrapolate_isf()
971 diff_isf[i - 1] = 5.0 - diff_isf[i]; in extrapolate_isf()
973 diff_isf[i] = 5.0 - diff_isf[i - 1]; in extrapolate_isf()
[all …]
|
| /dports/www/qt5-webengine/qtwebengine-everywhere-src-5.15.2/src/3rdparty/chromium/third_party/ffmpeg/libavcodec/ |
| H A D | amrwbdec.c | 909 static float auto_correlation(float *diff_isf, float mean, int lag) in auto_correlation() argument
915 float prod = (diff_isf[i] - mean) * (diff_isf[i - lag] - mean); in auto_correlation()
930 float diff_isf[LP_ORDER - 2], diff_mean; in extrapolate_isf() local
939 diff_isf[i] = isf[i + 1] - isf[i]; in extrapolate_isf()
943 diff_mean += diff_isf[i] * (1.0f / (LP_ORDER - 4)); in extrapolate_isf()
965 diff_isf[j] = scale * (isf[i] - isf[i - 1]); in extrapolate_isf()
969 if (diff_isf[i] + diff_isf[i - 1] < 5.0) { in extrapolate_isf()
970 if (diff_isf[i] > diff_isf[i - 1]) { in extrapolate_isf()
971 diff_isf[i - 1] = 5.0 - diff_isf[i]; in extrapolate_isf()
973 diff_isf[i] = 5.0 - diff_isf[i - 1]; in extrapolate_isf()
[all …]
|
| /dports/emulators/libretro-vice/vice-libretro-5725415/vice/src/lib/libffmpeg/libavcodec/ |
| H A D | amrwbdec.c | 907 static float auto_correlation(float *diff_isf, float mean, int lag) in auto_correlation() argument
913 float prod = (diff_isf[i] - mean) * (diff_isf[i - lag] - mean); in auto_correlation()
928 float diff_isf[LP_ORDER - 2], diff_mean; in extrapolate_isf() local
937 diff_isf[i] = isf[i + 1] - isf[i]; in extrapolate_isf()
941 diff_mean += diff_isf[i] * (1.0f / (LP_ORDER - 4)); in extrapolate_isf()
963 diff_isf[j] = scale * (isf[i] - isf[i - 1]); in extrapolate_isf()
967 if (diff_isf[i] + diff_isf[i - 1] < 5.0) { in extrapolate_isf()
968 if (diff_isf[i] > diff_isf[i - 1]) { in extrapolate_isf()
969 diff_isf[i - 1] = 5.0 - diff_isf[i]; in extrapolate_isf()
971 diff_isf[i] = 5.0 - diff_isf[i - 1]; in extrapolate_isf()
[all …]
|
| /dports/www/chromium-legacy/chromium-88.0.4324.182/third_party/ffmpeg/libavcodec/ |
| H A D | amrwbdec.c | 909 static float auto_correlation(float *diff_isf, float mean, int lag) in auto_correlation() argument
915 float prod = (diff_isf[i] - mean) * (diff_isf[i - lag] - mean); in auto_correlation()
930 float diff_isf[LP_ORDER - 2], diff_mean; in extrapolate_isf() local
939 diff_isf[i] = isf[i + 1] - isf[i]; in extrapolate_isf()
943 diff_mean += diff_isf[i] * (1.0f / (LP_ORDER - 4)); in extrapolate_isf()
965 diff_isf[j] = scale * (isf[i] - isf[i - 1]); in extrapolate_isf()
969 if (diff_isf[i] + diff_isf[i - 1] < 5.0) { in extrapolate_isf()
970 if (diff_isf[i] > diff_isf[i - 1]) { in extrapolate_isf()
971 diff_isf[i - 1] = 5.0 - diff_isf[i]; in extrapolate_isf()
973 diff_isf[i] = 5.0 - diff_isf[i - 1]; in extrapolate_isf()
[all …]
|