qdm2: Allow hard-coding VLC tables.

Also adds a lot of infrastructure necessary for it.
Some of it is a bit ugly though.
Increases binary size for hardcoded tables by about 12 kB,
which is about 15 kB from qdm2_table minus data and code
saved that was only used for creating it.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>

libavcodec/qdm2.c

@@ -44,7 +44,6 @@
 #include "mpegaudiodsp.h"
 #include "mpegaudio.h"
 
-#include "qdm2data.h"
 #include "qdm2_tablegen.h"
 
 #undef NDEBUG
@@ -197,173 +196,11 @@ typedef struct {
     int noise_idx; ///< index for dithering noise table
 } QDM2Context;
 
-
-static VLC vlc_tab_level;
-static VLC vlc_tab_diff;
-static VLC vlc_tab_run;
-static VLC fft_level_exp_alt_vlc;
-static VLC fft_level_exp_vlc;
-static VLC fft_stereo_exp_vlc;
-static VLC fft_stereo_phase_vlc;
-static VLC vlc_tab_tone_level_idx_hi1;
-static VLC vlc_tab_tone_level_idx_mid;
-static VLC vlc_tab_tone_level_idx_hi2;
-static VLC vlc_tab_type30;
-static VLC vlc_tab_type34;
-static VLC vlc_tab_fft_tone_offset[5];
-
-static const uint16_t qdm2_vlc_offs[] = {
-    0,260,566,598,894,1166,1230,1294,1678,1950,2214,2278,2310,2570,2834,3124,3448,3838,
-};
-
 static const int switchtable[23] = {
     0, 5, 1, 5, 5, 5, 5, 5, 2, 5, 5, 5, 5, 5, 5, 5, 3, 5, 5, 5, 5, 5, 4
 };
 
-static av_cold void qdm2_init_vlc(void)
-{
-    static VLC_TYPE qdm2_table[3838][2];
-
-    vlc_tab_level.table           = &qdm2_table[qdm2_vlc_offs[0]];
-    vlc_tab_level.table_allocated = qdm2_vlc_offs[1] - qdm2_vlc_offs[0];
-    init_vlc(&vlc_tab_level, 8, 24,
-             vlc_tab_level_huffbits, 1, 1,
-             vlc_tab_level_huffcodes, 2, 2,
-             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
-
-    vlc_tab_diff.table           = &qdm2_table[qdm2_vlc_offs[1]];
-    vlc_tab_diff.table_allocated = qdm2_vlc_offs[2] - qdm2_vlc_offs[1];
-    init_vlc(&vlc_tab_diff, 8, 37,
-             vlc_tab_diff_huffbits, 1, 1,
-             vlc_tab_diff_huffcodes, 2, 2,
-             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
-
-    vlc_tab_run.table           = &qdm2_table[qdm2_vlc_offs[2]];
-    vlc_tab_run.table_allocated = qdm2_vlc_offs[3] - qdm2_vlc_offs[2];
-    init_vlc(&vlc_tab_run, 5, 6,
-             vlc_tab_run_huffbits, 1, 1,
-             vlc_tab_run_huffcodes, 1, 1,
-             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
-
-    fft_level_exp_alt_vlc.table           = &qdm2_table[qdm2_vlc_offs[3]];
-    fft_level_exp_alt_vlc.table_allocated = qdm2_vlc_offs[4] -
-                                            qdm2_vlc_offs[3];
-    init_vlc(&fft_level_exp_alt_vlc, 8, 28,
-             fft_level_exp_alt_huffbits, 1, 1,
-             fft_level_exp_alt_huffcodes, 2, 2,
-             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
-
-    fft_level_exp_vlc.table           = &qdm2_table[qdm2_vlc_offs[4]];
-    fft_level_exp_vlc.table_allocated = qdm2_vlc_offs[5] - qdm2_vlc_offs[4];
-    init_vlc(&fft_level_exp_vlc, 8, 20,
-             fft_level_exp_huffbits, 1, 1,
-             fft_level_exp_huffcodes, 2, 2,
-             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
-
-    fft_stereo_exp_vlc.table           = &qdm2_table[qdm2_vlc_offs[5]];
-    fft_stereo_exp_vlc.table_allocated = qdm2_vlc_offs[6] -
-                                         qdm2_vlc_offs[5];
-    init_vlc(&fft_stereo_exp_vlc, 6, 7,
-             fft_stereo_exp_huffbits, 1, 1,
-             fft_stereo_exp_huffcodes, 1, 1,
-             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
-
-    fft_stereo_phase_vlc.table           = &qdm2_table[qdm2_vlc_offs[6]];
-    fft_stereo_phase_vlc.table_allocated = qdm2_vlc_offs[7] -
-                                           qdm2_vlc_offs[6];
-    init_vlc(&fft_stereo_phase_vlc, 6, 9,
-             fft_stereo_phase_huffbits, 1, 1,
-             fft_stereo_phase_huffcodes, 1, 1,
-             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
-
-    vlc_tab_tone_level_idx_hi1.table =
-        &qdm2_table[qdm2_vlc_offs[7]];
-    vlc_tab_tone_level_idx_hi1.table_allocated = qdm2_vlc_offs[8] -
-                                                 qdm2_vlc_offs[7];
-    init_vlc(&vlc_tab_tone_level_idx_hi1, 8, 20,
-             vlc_tab_tone_level_idx_hi1_huffbits, 1, 1,
-             vlc_tab_tone_level_idx_hi1_huffcodes, 2, 2,
-             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
-
-    vlc_tab_tone_level_idx_mid.table =
-        &qdm2_table[qdm2_vlc_offs[8]];
-    vlc_tab_tone_level_idx_mid.table_allocated = qdm2_vlc_offs[9] -
-                                                 qdm2_vlc_offs[8];
-    init_vlc(&vlc_tab_tone_level_idx_mid, 8, 24,
-             vlc_tab_tone_level_idx_mid_huffbits, 1, 1,
-             vlc_tab_tone_level_idx_mid_huffcodes, 2, 2,
-             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
-
-    vlc_tab_tone_level_idx_hi2.table =
-        &qdm2_table[qdm2_vlc_offs[9]];
-    vlc_tab_tone_level_idx_hi2.table_allocated = qdm2_vlc_offs[10] -
-                                                 qdm2_vlc_offs[9];
-    init_vlc(&vlc_tab_tone_level_idx_hi2, 8, 24,
-             vlc_tab_tone_level_idx_hi2_huffbits, 1, 1,
-             vlc_tab_tone_level_idx_hi2_huffcodes, 2, 2,
-             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
-
-    vlc_tab_type30.table           = &qdm2_table[qdm2_vlc_offs[10]];
-    vlc_tab_type30.table_allocated = qdm2_vlc_offs[11] - qdm2_vlc_offs[10];
-    init_vlc(&vlc_tab_type30, 6, 9,
-             vlc_tab_type30_huffbits, 1, 1,
-             vlc_tab_type30_huffcodes, 1, 1,
-             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
-
-    vlc_tab_type34.table           = &qdm2_table[qdm2_vlc_offs[11]];
-    vlc_tab_type34.table_allocated = qdm2_vlc_offs[12] - qdm2_vlc_offs[11];
-    init_vlc(&vlc_tab_type34, 5, 10,
-             vlc_tab_type34_huffbits, 1, 1,
-             vlc_tab_type34_huffcodes, 1, 1,
-             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
-
-    vlc_tab_fft_tone_offset[0].table =
-        &qdm2_table[qdm2_vlc_offs[12]];
-    vlc_tab_fft_tone_offset[0].table_allocated = qdm2_vlc_offs[13] -
-                                                 qdm2_vlc_offs[12];
-    init_vlc(&vlc_tab_fft_tone_offset[0], 8, 23,
-             vlc_tab_fft_tone_offset_0_huffbits, 1, 1,
-             vlc_tab_fft_tone_offset_0_huffcodes, 2, 2,
-             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
-
-    vlc_tab_fft_tone_offset[1].table =
-        &qdm2_table[qdm2_vlc_offs[13]];
-    vlc_tab_fft_tone_offset[1].table_allocated = qdm2_vlc_offs[14] -
-                                                 qdm2_vlc_offs[13];
-    init_vlc(&vlc_tab_fft_tone_offset[1], 8, 28,
-             vlc_tab_fft_tone_offset_1_huffbits, 1, 1,
-             vlc_tab_fft_tone_offset_1_huffcodes, 2, 2,
-             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
-
-    vlc_tab_fft_tone_offset[2].table =
-        &qdm2_table[qdm2_vlc_offs[14]];
-    vlc_tab_fft_tone_offset[2].table_allocated = qdm2_vlc_offs[15] -
-                                                 qdm2_vlc_offs[14];
-    init_vlc(&vlc_tab_fft_tone_offset[2], 8, 32,
-             vlc_tab_fft_tone_offset_2_huffbits, 1, 1,
-             vlc_tab_fft_tone_offset_2_huffcodes, 2, 2,
-             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
-
-    vlc_tab_fft_tone_offset[3].table =
-        &qdm2_table[qdm2_vlc_offs[15]];
-    vlc_tab_fft_tone_offset[3].table_allocated = qdm2_vlc_offs[16] -
-                                                 qdm2_vlc_offs[15];
-    init_vlc(&vlc_tab_fft_tone_offset[3], 8, 35,
-             vlc_tab_fft_tone_offset_3_huffbits, 1, 1,
-             vlc_tab_fft_tone_offset_3_huffcodes, 2, 2,
-             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
-
-    vlc_tab_fft_tone_offset[4].table =
-        &qdm2_table[qdm2_vlc_offs[16]];
-    vlc_tab_fft_tone_offset[4].table_allocated = qdm2_vlc_offs[17] -
-                                                 qdm2_vlc_offs[16];
-    init_vlc(&vlc_tab_fft_tone_offset[4], 8, 38,
-             vlc_tab_fft_tone_offset_4_huffbits, 1, 1,
-             vlc_tab_fft_tone_offset_4_huffcodes, 2, 2,
-             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
-}
-
-static int qdm2_get_vlc(GetBitContext *gb, VLC *vlc, int flag, int depth)
+static int qdm2_get_vlc(GetBitContext *gb, const VLC *vlc, int flag, int depth)
 {
     int value;
 
@@ -392,7 +229,7 @@ static int qdm2_get_vlc(GetBitContext *gb, VLC *vlc, int flag, int depth)
     return value;
 }
 
-static int qdm2_get_se_vlc(VLC *vlc, GetBitContext *gb, int depth)
+static int qdm2_get_se_vlc(const VLC *vlc, GetBitContext *gb, int depth)
 {
     int value = qdm2_get_vlc(gb, vlc, 0, depth);
 

libavcodec/qdm2_tablegen.c

@@ -21,9 +21,9 @@
  */
 
 #include <stdlib.h>
+#include "tableprint_vlc.h"
 #define CONFIG_HARDCODED_TABLES 0
 #include "qdm2_tablegen.h"
-#include "tableprint.h"
 
 int main(void)
 {
@@ -40,5 +40,22 @@ int main(void)
     WRITE_2D_ARRAY("static const", uint8_t, random_dequant_index);
     WRITE_2D_ARRAY("static const", uint8_t, random_dequant_type24);
 
+    qdm2_init_vlc();
+
+    WRITE_2D_ARRAY("static const", VLC_TYPE, qdm2_table);
+    WRITE_VLC_TYPE("static const", vlc_tab_level, qdm2_table);
+    WRITE_VLC_TYPE("static const", vlc_tab_diff, qdm2_table);
+    WRITE_VLC_TYPE("static const", vlc_tab_run, qdm2_table);
+    WRITE_VLC_TYPE("static const", fft_level_exp_alt_vlc, qdm2_table);
+    WRITE_VLC_TYPE("static const", fft_level_exp_vlc, qdm2_table);
+    WRITE_VLC_TYPE("static const", fft_stereo_exp_vlc, qdm2_table);
+    WRITE_VLC_TYPE("static const", fft_stereo_phase_vlc, qdm2_table);
+    WRITE_VLC_TYPE("static const", vlc_tab_tone_level_idx_hi1, qdm2_table);
+    WRITE_VLC_TYPE("static const", vlc_tab_tone_level_idx_mid, qdm2_table);
+    WRITE_VLC_TYPE("static const", vlc_tab_tone_level_idx_hi2, qdm2_table);
+    WRITE_VLC_TYPE("static const", vlc_tab_type30, qdm2_table);
+    WRITE_VLC_TYPE("static const", vlc_tab_type34, qdm2_table);
+    WRITE_VLC_ARRAY("static const", vlc_tab_fft_tone_offset, qdm2_table);
+
     return 0;
 }

libavcodec/qdm2_tablegen.h

@@ -26,6 +26,7 @@
 #include <stdint.h>
 #include <math.h>
 #include "libavutil/attributes.h"
+#include "qdm2data.h"
 
 #define SOFTCLIP_THRESHOLD 27600
 #define HARDCLIP_THRESHOLD 35716
@@ -34,6 +35,7 @@
 #define softclip_table_init()
 #define rnd_table_init()
 #define init_noise_samples()
+#define qdm2_init_vlc()
 #include "libavcodec/qdm2_tables.h"
 #else
 static uint16_t softclip_table[HARDCLIP_THRESHOLD - SOFTCLIP_THRESHOLD + 1];
@@ -92,6 +94,168 @@ static av_cold void init_noise_samples(void) {
         noise_samples[i] = (delta * (float)((random_seed >> 16) & 0x00007fff) - 1.0);
     }
 }
+
+static VLC vlc_tab_level;
+static VLC vlc_tab_diff;
+static VLC vlc_tab_run;
+static VLC fft_level_exp_alt_vlc;
+static VLC fft_level_exp_vlc;
+static VLC fft_stereo_exp_vlc;
+static VLC fft_stereo_phase_vlc;
+static VLC vlc_tab_tone_level_idx_hi1;
+static VLC vlc_tab_tone_level_idx_mid;
+static VLC vlc_tab_tone_level_idx_hi2;
+static VLC vlc_tab_type30;
+static VLC vlc_tab_type34;
+static VLC vlc_tab_fft_tone_offset[5];
+
+static const uint16_t qdm2_vlc_offs[] = {
+    0,260,566,598,894,1166,1230,1294,1678,1950,2214,2278,2310,2570,2834,3124,3448,3838,
+};
+
+static VLC_TYPE qdm2_table[3838][2];
+
+static av_cold void qdm2_init_vlc(void)
+{
+    vlc_tab_level.table           = &qdm2_table[qdm2_vlc_offs[0]];
+    vlc_tab_level.table_allocated = qdm2_vlc_offs[1] - qdm2_vlc_offs[0];
+    init_vlc(&vlc_tab_level, 8, 24,
+             vlc_tab_level_huffbits, 1, 1,
+             vlc_tab_level_huffcodes, 2, 2,
+             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
+
+    vlc_tab_diff.table           = &qdm2_table[qdm2_vlc_offs[1]];
+    vlc_tab_diff.table_allocated = qdm2_vlc_offs[2] - qdm2_vlc_offs[1];
+    init_vlc(&vlc_tab_diff, 8, 37,
+             vlc_tab_diff_huffbits, 1, 1,
+             vlc_tab_diff_huffcodes, 2, 2,
+             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
+
+    vlc_tab_run.table           = &qdm2_table[qdm2_vlc_offs[2]];
+    vlc_tab_run.table_allocated = qdm2_vlc_offs[3] - qdm2_vlc_offs[2];
+    init_vlc(&vlc_tab_run, 5, 6,
+             vlc_tab_run_huffbits, 1, 1,
+             vlc_tab_run_huffcodes, 1, 1,
+             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
+
+    fft_level_exp_alt_vlc.table           = &qdm2_table[qdm2_vlc_offs[3]];
+    fft_level_exp_alt_vlc.table_allocated = qdm2_vlc_offs[4] -
+                                            qdm2_vlc_offs[3];
+    init_vlc(&fft_level_exp_alt_vlc, 8, 28,
+             fft_level_exp_alt_huffbits, 1, 1,
+             fft_level_exp_alt_huffcodes, 2, 2,
+             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
+
+    fft_level_exp_vlc.table           = &qdm2_table[qdm2_vlc_offs[4]];
+    fft_level_exp_vlc.table_allocated = qdm2_vlc_offs[5] - qdm2_vlc_offs[4];
+    init_vlc(&fft_level_exp_vlc, 8, 20,
+             fft_level_exp_huffbits, 1, 1,
+             fft_level_exp_huffcodes, 2, 2,
+             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
+
+    fft_stereo_exp_vlc.table           = &qdm2_table[qdm2_vlc_offs[5]];
+    fft_stereo_exp_vlc.table_allocated = qdm2_vlc_offs[6] -
+                                         qdm2_vlc_offs[5];
+    init_vlc(&fft_stereo_exp_vlc, 6, 7,
+             fft_stereo_exp_huffbits, 1, 1,
+             fft_stereo_exp_huffcodes, 1, 1,
+             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
+
+    fft_stereo_phase_vlc.table           = &qdm2_table[qdm2_vlc_offs[6]];
+    fft_stereo_phase_vlc.table_allocated = qdm2_vlc_offs[7] -
+                                           qdm2_vlc_offs[6];
+    init_vlc(&fft_stereo_phase_vlc, 6, 9,
+             fft_stereo_phase_huffbits, 1, 1,
+             fft_stereo_phase_huffcodes, 1, 1,
+             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
+
+    vlc_tab_tone_level_idx_hi1.table =
+        &qdm2_table[qdm2_vlc_offs[7]];
+    vlc_tab_tone_level_idx_hi1.table_allocated = qdm2_vlc_offs[8] -
+                                                 qdm2_vlc_offs[7];
+    init_vlc(&vlc_tab_tone_level_idx_hi1, 8, 20,
+             vlc_tab_tone_level_idx_hi1_huffbits, 1, 1,
+             vlc_tab_tone_level_idx_hi1_huffcodes, 2, 2,
+             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
+
+    vlc_tab_tone_level_idx_mid.table =
+        &qdm2_table[qdm2_vlc_offs[8]];
+    vlc_tab_tone_level_idx_mid.table_allocated = qdm2_vlc_offs[9] -
+                                                 qdm2_vlc_offs[8];
+    init_vlc(&vlc_tab_tone_level_idx_mid, 8, 24,
+             vlc_tab_tone_level_idx_mid_huffbits, 1, 1,
+             vlc_tab_tone_level_idx_mid_huffcodes, 2, 2,
+             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
+
+    vlc_tab_tone_level_idx_hi2.table =
+        &qdm2_table[qdm2_vlc_offs[9]];
+    vlc_tab_tone_level_idx_hi2.table_allocated = qdm2_vlc_offs[10] -
+                                                 qdm2_vlc_offs[9];
+    init_vlc(&vlc_tab_tone_level_idx_hi2, 8, 24,
+             vlc_tab_tone_level_idx_hi2_huffbits, 1, 1,
+             vlc_tab_tone_level_idx_hi2_huffcodes, 2, 2,
+             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
+
+    vlc_tab_type30.table           = &qdm2_table[qdm2_vlc_offs[10]];
+    vlc_tab_type30.table_allocated = qdm2_vlc_offs[11] - qdm2_vlc_offs[10];
+    init_vlc(&vlc_tab_type30, 6, 9,
+             vlc_tab_type30_huffbits, 1, 1,
+             vlc_tab_type30_huffcodes, 1, 1,
+             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
+
+    vlc_tab_type34.table           = &qdm2_table[qdm2_vlc_offs[11]];
+    vlc_tab_type34.table_allocated = qdm2_vlc_offs[12] - qdm2_vlc_offs[11];
+    init_vlc(&vlc_tab_type34, 5, 10,
+             vlc_tab_type34_huffbits, 1, 1,
+             vlc_tab_type34_huffcodes, 1, 1,
+             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
+
+    vlc_tab_fft_tone_offset[0].table =
+        &qdm2_table[qdm2_vlc_offs[12]];
+    vlc_tab_fft_tone_offset[0].table_allocated = qdm2_vlc_offs[13] -
+                                                 qdm2_vlc_offs[12];
+    init_vlc(&vlc_tab_fft_tone_offset[0], 8, 23,
+             vlc_tab_fft_tone_offset_0_huffbits, 1, 1,
+             vlc_tab_fft_tone_offset_0_huffcodes, 2, 2,
+             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
+
+    vlc_tab_fft_tone_offset[1].table =
+        &qdm2_table[qdm2_vlc_offs[13]];
+    vlc_tab_fft_tone_offset[1].table_allocated = qdm2_vlc_offs[14] -
+                                                 qdm2_vlc_offs[13];
+    init_vlc(&vlc_tab_fft_tone_offset[1], 8, 28,
+             vlc_tab_fft_tone_offset_1_huffbits, 1, 1,
+             vlc_tab_fft_tone_offset_1_huffcodes, 2, 2,
+             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
+
+    vlc_tab_fft_tone_offset[2].table =
+        &qdm2_table[qdm2_vlc_offs[14]];
+    vlc_tab_fft_tone_offset[2].table_allocated = qdm2_vlc_offs[15] -
+                                                 qdm2_vlc_offs[14];
+    init_vlc(&vlc_tab_fft_tone_offset[2], 8, 32,
+             vlc_tab_fft_tone_offset_2_huffbits, 1, 1,
+             vlc_tab_fft_tone_offset_2_huffcodes, 2, 2,
+             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
+
+    vlc_tab_fft_tone_offset[3].table =
+        &qdm2_table[qdm2_vlc_offs[15]];
+    vlc_tab_fft_tone_offset[3].table_allocated = qdm2_vlc_offs[16] -
+                                                 qdm2_vlc_offs[15];
+    init_vlc(&vlc_tab_fft_tone_offset[3], 8, 35,
+             vlc_tab_fft_tone_offset_3_huffbits, 1, 1,
+             vlc_tab_fft_tone_offset_3_huffcodes, 2, 2,
+             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
+
+    vlc_tab_fft_tone_offset[4].table =
+        &qdm2_table[qdm2_vlc_offs[16]];
+    vlc_tab_fft_tone_offset[4].table_allocated = qdm2_vlc_offs[17] -
+                                                 qdm2_vlc_offs[16];
+    init_vlc(&vlc_tab_fft_tone_offset[4], 8, 38,
+             vlc_tab_fft_tone_offset_4_huffbits, 1, 1,
+             vlc_tab_fft_tone_offset_4_huffcodes, 2, 2,
+             INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
+}
+
 #endif /* CONFIG_HARDCODED_TABLES */
 
 #endif /* AVCODEC_QDM2_TABLEGEN_H */

libavcodec/tableprint.h

@@ -114,6 +114,7 @@ void write_float_2d_array   (const void *, int, int);
 WRITE_1D_FUNC(int8_t,   "%3"PRIi8, 15)
 WRITE_1D_FUNC(uint8_t,  "0x%02"PRIx8, 15)
 WRITE_1D_FUNC(uint16_t, "0x%08"PRIx16, 7)
+WRITE_1D_FUNC(int16_t,  "%5"PRIi16, 7)
 WRITE_1D_FUNC(uint32_t, "0x%08"PRIx32, 7)
 WRITE_1D_FUNC(float,    "%.18e", 3)
 

libavcodec/tableprint_vlc.h

@@ -0,0 +1,80 @@
+/*
+ * Helpers for generating hard-coded VLC tables
+ *
+ * Copyright (c) 2014 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_TABLEPRINT_VLC_H
+#define AVCODEC_TABLEPRINT_VLC_H
+
+#define FFMPEG_CONFIG_H
+#define AVUTIL_LOG_H
+#define av_log(a, ...)
+#define av_dlog(a, ...)
+#define AVUTIL_MEM_H
+#define av_malloc(s) NULL
+#define av_malloc_array(a, b) NULL
+#define av_realloc_f(p, o, n) NULL
+#define av_free(p)
+#define av_freep(p)
+#define AVCODEC_AVCODEC_H
+#include "tableprint.h"
+#include "get_bits.h"
+#include "mathtables.c"
+#include "bitstream.c"
+
+#define REPLACE_DEFINE2(type) write_##type##_array
+#define REPLACE_DEFINE(type) REPLACE_DEFINE2(type)
+static void write_VLC_TYPE_array(const VLC_TYPE *p, int s) {
+    REPLACE_DEFINE(VLC_TYPE)(p, s);
+}
+
+WRITE_2D_FUNC(VLC_TYPE)
+
+static void write_vlc_type(const VLC *vlc, VLC_TYPE (*base_table)[2], const char *base_table_name)
+{
+    printf("    .bits = %i,\n", vlc->bits);
+    // Unfortunately need to cast away const currently
+    printf("    .table = (VLC_TYPE (*)[2])(%s + 0x%x),\n", base_table_name, (int)(vlc->table - base_table));
+    printf("    .table_size = 0x%x,\n", vlc->table_size);
+    printf("    .table_allocated = 0x%x,\n", vlc->table_allocated);
+}
+
+#define WRITE_VLC_TYPE(prefix, name, base_table)        \
+    do {                                                \
+        printf(prefix" VLC "#name" = {\n");             \
+        write_vlc_type(&name, base_table, #base_table); \
+        printf("};\n");                                 \
+    } while(0)
+
+#define WRITE_VLC_ARRAY(prefix, name, base_table)       \
+    do {                                                \
+        int i;                                          \
+        const size_t array_size = FF_ARRAY_ELEMS(name); \
+        printf(prefix" VLC "#name"[%"FMT"] = {{\n",     \
+               array_size);                             \
+        for (i = 0; i < array_size; i++) {              \
+            write_vlc_type(name + i,                    \
+                           base_table, #base_table);    \
+            if (i != array_size - 1) printf("}, {\n");  \
+        }                                               \
+        printf("}};\n");                                \
+    } while(0)
+
+#endif /* AVCODEC_TABLEPRINT_VLC_H */