mpegaudio: move ff_mpa_enwindow to a separate file

This table is used only by mpegaudiodsp and mpegaudioenc. Separating it allows dropping some dependencies from mpc[78] and qdm2. Signed-off-by: Mans Rullgard <mans@mansr.com>
2024-12-23 12:43:46 +02:00 · 2012-08-23 18:47:49 +01:00 · 2012-08-23 18:47:49 +01:00 · 2e2b8ef8e0
commit 2e2b8ef8e0
parent 4d7adec8bd
7 changed files with 61 additions and 41 deletions
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@ -50,6 +50,7 @@ OBJS-$(CONFIG_LPC)                     += lpc.o
 OBJS-$(CONFIG_LSP)                     += lsp.o
 OBJS-$(CONFIG_MDCT)                    += mdct_fixed.o mdct_float.o
 OBJS-$(CONFIG_MPEGAUDIODSP)            += mpegaudiodsp.o                \
+                                          mpegaudiodsp_data.o           \
                                          mpegaudiodsp_fixed.o          \
                                          mpegaudiodsp_float.o
 OBJS-$(CONFIG_MPEGVIDEO)               += mpegvideo.o mpegvideo_motion.o
@ -229,7 +230,7 @@ OBJS-$(CONFIG_MP1FLOAT_DECODER)        += mpegaudiodec_float.o mpegaudiodecheade
 OBJS-$(CONFIG_MP2_DECODER)             += mpegaudiodec.o mpegaudiodecheader.o \
                                          mpegaudio.o mpegaudiodata.o
 OBJS-$(CONFIG_MP2_ENCODER)             += mpegaudioenc.o mpegaudio.o \
-                                          mpegaudiodata.o
+                                          mpegaudiodata.o mpegaudiodsp_data.o
 OBJS-$(CONFIG_MP2FLOAT_DECODER)        += mpegaudiodec_float.o mpegaudiodecheader.o \
                                          mpegaudio.o mpegaudiodata.o
 OBJS-$(CONFIG_MP3ADU_DECODER)          += mpegaudiodec.o mpegaudiodecheader.o \
--- a/libavcodec/mpegaudiodata.c
+++ b/libavcodec/mpegaudiodata.c
@ -39,44 +39,6 @@ const uint16_t avpriv_mpa_bitrate_tab[2][3][15] = {

 const uint16_t avpriv_mpa_freq_tab[3] = { 44100, 48000, 32000 };

-/*******************************************************/
-/* half mpeg encoding window (full precision) */
-const int32_t ff_mpa_enwindow[257] = {
-     0,    -1,    -1,    -1,    -1,    -1,    -1,    -2,
-    -2,    -2,    -2,    -3,    -3,    -4,    -4,    -5,
-    -5,    -6,    -7,    -7,    -8,    -9,   -10,   -11,
-   -13,   -14,   -16,   -17,   -19,   -21,   -24,   -26,
-   -29,   -31,   -35,   -38,   -41,   -45,   -49,   -53,
-   -58,   -63,   -68,   -73,   -79,   -85,   -91,   -97,
-  -104,  -111,  -117,  -125,  -132,  -139,  -147,  -154,
-  -161,  -169,  -176,  -183,  -190,  -196,  -202,  -208,
-   213,   218,   222,   225,   227,   228,   228,   227,
-   224,   221,   215,   208,   200,   189,   177,   163,
-   146,   127,   106,    83,    57,    29,    -2,   -36,
-   -72,  -111,  -153,  -197,  -244,  -294,  -347,  -401,
-  -459,  -519,  -581,  -645,  -711,  -779,  -848,  -919,
-  -991, -1064, -1137, -1210, -1283, -1356, -1428, -1498,
- -1567, -1634, -1698, -1759, -1817, -1870, -1919, -1962,
- -2001, -2032, -2057, -2075, -2085, -2087, -2080, -2063,
-  2037,  2000,  1952,  1893,  1822,  1739,  1644,  1535,
-  1414,  1280,  1131,   970,   794,   605,   402,   185,
-   -45,  -288,  -545,  -814, -1095, -1388, -1692, -2006,
- -2330, -2663, -3004, -3351, -3705, -4063, -4425, -4788,
- -5153, -5517, -5879, -6237, -6589, -6935, -7271, -7597,
- -7910, -8209, -8491, -8755, -8998, -9219, -9416, -9585,
- -9727, -9838, -9916, -9959, -9966, -9935, -9863, -9750,
- -9592, -9389, -9139, -8840, -8492, -8092, -7640, -7134,
-  6574,  5959,  5288,  4561,  3776,  2935,  2037,  1082,
-    70,  -998, -2122, -3300, -4533, -5818, -7154, -8540,
- -9975,-11455,-12980,-14548,-16155,-17799,-19478,-21189,
-22929,-24694,-26482,-28289,-30112,-31947,-33791,-35640,
-37489,-39336,-41176,-43006,-44821,-46617,-48390,-50137,
-51853,-53534,-55178,-56778,-58333,-59838,-61289,-62684,
-64019,-65290,-66494,-67629,-68692,-69679,-70590,-71420,
-72169,-72835,-73415,-73908,-74313,-74630,-74856,-74992,
- 75038,
-};
-
 /*******************************************************/
 /* layer 2 tables */

--- a/libavcodec/mpegaudiodata.h
+++ b/libavcodec/mpegaudiodata.h
@ -34,7 +34,6 @@

 extern const uint16_t avpriv_mpa_bitrate_tab[2][3][15];
 extern const uint16_t avpriv_mpa_freq_tab[3];
-extern const int32_t ff_mpa_enwindow[257];
 extern const int ff_mpa_sblimit_table[5];
 extern const int ff_mpa_quant_steps[17];
 extern const int ff_mpa_quant_bits[17];
--- a/libavcodec/mpegaudiodsp.h
+++ b/libavcodec/mpegaudiodsp.h
@ -40,6 +40,8 @@ void ff_mpadsp_init(MPADSPContext *s);
 extern int32_t ff_mpa_synth_window_fixed[];
 extern float   ff_mpa_synth_window_float[];

+extern const int32_t ff_mpa_enwindow[257];
+
 void ff_mpa_synth_filter_fixed(MPADSPContext *s,
                               int32_t *synth_buf_ptr, int *synth_buf_offset,
                               int32_t *window, int *dither_state,
--- a/libavcodec/mpegaudiodsp_data.c
+++ b/libavcodec/mpegaudiodsp_data.c
@ -0,0 +1,56 @@
+/*
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "mpegaudiodsp.h"
+
+/* half mpeg encoding window (full precision) */
+const int32_t ff_mpa_enwindow[257] = {
+     0,    -1,    -1,    -1,    -1,    -1,    -1,    -2,
+    -2,    -2,    -2,    -3,    -3,    -4,    -4,    -5,
+    -5,    -6,    -7,    -7,    -8,    -9,   -10,   -11,
+   -13,   -14,   -16,   -17,   -19,   -21,   -24,   -26,
+   -29,   -31,   -35,   -38,   -41,   -45,   -49,   -53,
+   -58,   -63,   -68,   -73,   -79,   -85,   -91,   -97,
+  -104,  -111,  -117,  -125,  -132,  -139,  -147,  -154,
+  -161,  -169,  -176,  -183,  -190,  -196,  -202,  -208,
+   213,   218,   222,   225,   227,   228,   228,   227,
+   224,   221,   215,   208,   200,   189,   177,   163,
+   146,   127,   106,    83,    57,    29,    -2,   -36,
+   -72,  -111,  -153,  -197,  -244,  -294,  -347,  -401,
+  -459,  -519,  -581,  -645,  -711,  -779,  -848,  -919,
+  -991, -1064, -1137, -1210, -1283, -1356, -1428, -1498,
+ -1567, -1634, -1698, -1759, -1817, -1870, -1919, -1962,
+ -2001, -2032, -2057, -2075, -2085, -2087, -2080, -2063,
+  2037,  2000,  1952,  1893,  1822,  1739,  1644,  1535,
+  1414,  1280,  1131,   970,   794,   605,   402,   185,
+   -45,  -288,  -545,  -814, -1095, -1388, -1692, -2006,
+ -2330, -2663, -3004, -3351, -3705, -4063, -4425, -4788,
+ -5153, -5517, -5879, -6237, -6589, -6935, -7271, -7597,
+ -7910, -8209, -8491, -8755, -8998, -9219, -9416, -9585,
+ -9727, -9838, -9916, -9959, -9966, -9935, -9863, -9750,
+ -9592, -9389, -9139, -8840, -8492, -8092, -7640, -7134,
+  6574,  5959,  5288,  4561,  3776,  2935,  2037,  1082,
+    70,  -998, -2122, -3300, -4533, -5818, -7154, -8540,
+ -9975,-11455,-12980,-14548,-16155,-17799,-19478,-21189,
+-22929,-24694,-26482,-28289,-30112,-31947,-33791,-35640,
+-37489,-39336,-41176,-43006,-44821,-46617,-48390,-50137,
+-51853,-53534,-55178,-56778,-58333,-59838,-61289,-62684,
+-64019,-65290,-66494,-67629,-68692,-69679,-70590,-71420,
+-72169,-72835,-73415,-73908,-74313,-74630,-74856,-74992,
+ 75038,
+};
--- a/libavcodec/mpegaudiodsp_template.c
+++ b/libavcodec/mpegaudiodsp_template.c
@ -25,7 +25,6 @@
 #include "mathops.h"
 #include "mpegaudiodsp.h"
 #include "mpegaudio.h"
-#include "mpegaudiodata.h"

 #if CONFIG_FLOAT
 #define RENAME(n) n##_float
--- a/libavcodec/mpegaudioenc.c
+++ b/libavcodec/mpegaudioenc.c
@ -34,6 +34,7 @@
 #define WFRAC_BITS  14   /* fractional bits for window */

 #include "mpegaudio.h"
+#include "mpegaudiodsp.h"

 /* currently, cannot change these constants (need to modify
   quantization stage) */