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@@ -27,6 +27,7 @@ |
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// do not use libavutil/libm.h since this is compiled both |
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// for the host and the target and config.h is only valid for the target |
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#include <math.h> |
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#include "libavcodec/aac_defines.h" |
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#include "libavutil/attributes.h" |
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#include "libavutil/common.h" |
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@@ -49,33 +50,29 @@ SINETABLE(8192); |
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#endif |
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#if USE_FIXED |
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#define SINEWIN_SUFFIX(a) a ## _fixed |
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#define INTFLOAT int |
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#define SIN_FIX(a) (int)floor((a) * 0x80000000 + 0.5) |
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#else |
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#define SINEWIN_SUFFIX(a) a |
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#define INTFLOAT float |
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#define SIN_FIX(a) a |
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#endif |
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SINETABLE_CONST INTFLOAT * const SINEWIN_SUFFIX(ff_sine_windows)[] = { |
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SINETABLE_CONST INTFLOAT * const AAC_RENAME(ff_sine_windows)[] = { |
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NULL, NULL, NULL, NULL, NULL, // unused |
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SINEWIN_SUFFIX(ff_sine_32) , SINEWIN_SUFFIX(ff_sine_64), SINEWIN_SUFFIX(ff_sine_128), |
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SINEWIN_SUFFIX(ff_sine_256), SINEWIN_SUFFIX(ff_sine_512), SINEWIN_SUFFIX(ff_sine_1024), |
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SINEWIN_SUFFIX(ff_sine_2048), SINEWIN_SUFFIX(ff_sine_4096), SINEWIN_SUFFIX(ff_sine_8192) |
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AAC_RENAME(ff_sine_32) , AAC_RENAME(ff_sine_64), AAC_RENAME(ff_sine_128), |
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AAC_RENAME(ff_sine_256), AAC_RENAME(ff_sine_512), AAC_RENAME(ff_sine_1024), |
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AAC_RENAME(ff_sine_2048), AAC_RENAME(ff_sine_4096), AAC_RENAME(ff_sine_8192) |
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}; |
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// Generate a sine window. |
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av_cold void SINEWIN_SUFFIX(ff_sine_window_init)(INTFLOAT *window, int n) { |
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av_cold void AAC_RENAME(ff_sine_window_init)(INTFLOAT *window, int n) { |
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int i; |
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for(i = 0; i < n; i++) |
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window[i] = SIN_FIX(sinf((i + 0.5) * (M_PI / (2.0 * n)))); |
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} |
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av_cold void SINEWIN_SUFFIX(ff_init_ff_sine_windows)(int index) { |
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assert(index >= 0 && index < FF_ARRAY_ELEMS(SINEWIN_SUFFIX(ff_sine_windows))); |
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av_cold void AAC_RENAME(ff_init_ff_sine_windows)(int index) { |
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assert(index >= 0 && index < FF_ARRAY_ELEMS(AAC_RENAME(ff_sine_windows))); |
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#if !CONFIG_HARDCODED_TABLES |
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SINEWIN_SUFFIX(ff_sine_window_init)(SINEWIN_SUFFIX(ff_sine_windows)[index], 1 << index); |
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AAC_RENAME(ff_sine_window_init)(AAC_RENAME(ff_sine_windows)[index], 1 << index); |
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#endif |
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} |
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