qdm2: use init_static_data

1 files changed, 148 insertions, 128 deletions

diff --git a/libavcodec/qdm2.c b/libavcodec/qdm2.c
index 1e0811c861..356e321b60 100644
--- a/libavcodec/qdm2.c
+++ b/libavcodec/qdm2.c
@@ -218,116 +218,145 @@ static const uint16_t qdm2_vlc_offs[] = {
 
 static av_cold void qdm2_init_vlc(void)
 {
-    static int vlcs_initialized = 0;
     static VLC_TYPE qdm2_table[3838][2];
 
-    if (!vlcs_initialized) {
-
-        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);
-
-        vlcs_initialized=1;
-    }
+    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)
@@ -1649,20 +1678,12 @@ static void qdm2_synthesis_filter (QDM2Context *q, int index)
  *
  * @param q    context
  */
-static av_cold void qdm2_init(QDM2Context *q) {
-    static int initialized = 0;
-
-    if (initialized != 0)
-        return;
-    initialized = 1;
-
+static av_cold void qdm2_init_static_data(AVCodec *codec) {
     qdm2_init_vlc();
     ff_mpa_synth_init_float(ff_mpa_synth_window_float);
     softclip_table_init();
     rnd_table_init();
     init_noise_samples();
-
-    av_log(NULL, AV_LOG_DEBUG, "init done\n");
 }
 
 
@@ -1843,8 +1864,6 @@ static av_cold int qdm2_decode_init(AVCodecContext *avctx)
     ff_rdft_init(&s->rdft_ctx, s->fft_order, IDFT_C2R);
     ff_mpadsp_init(&s->mpadsp);
 
-    qdm2_init(s);
-
     avctx->sample_fmt = AV_SAMPLE_FMT_S16;
 
     return 0;
@@ -1957,13 +1976,14 @@ static int qdm2_decode_frame(AVCodecContext *avctx, void *data,
 
 AVCodec ff_qdm2_decoder =
 {
-    .name           = "qdm2",
-    .type           = AVMEDIA_TYPE_AUDIO,
-    .id             = AV_CODEC_ID_QDM2,
-    .priv_data_size = sizeof(QDM2Context),
-    .init           = qdm2_decode_init,
-    .close          = qdm2_decode_close,
-    .decode         = qdm2_decode_frame,
-    .capabilities   = CODEC_CAP_DR1,
-    .long_name      = NULL_IF_CONFIG_SMALL("QDesign Music Codec 2"),
+    .name             = "qdm2",
+    .type             = AVMEDIA_TYPE_AUDIO,
+    .id               = AV_CODEC_ID_QDM2,
+    .priv_data_size   = sizeof(QDM2Context),
+    .init             = qdm2_decode_init,
+    .init_static_data = qdm2_init_static_data,
+    .close            = qdm2_decode_close,
+    .decode           = qdm2_decode_frame,
+    .capabilities     = CODEC_CAP_DR1,
+    .long_name        = NULL_IF_CONFIG_SMALL("QDesign Music Codec 2"),
 };