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avformat/cdxl: improve frame rate guessing for standard cdxl
[ffmpeg] / libavcodec / aacdec_template.c
diff --git a/libavcodec/aacdec_template.c b/libavcodec/aacdec_template.c
index 9c8fb050e9fcb70a5a6146e47ec59f7b033daa21..fbe30740715fecaacf5f9ebddf31b647fc62ca9d 100644 (file)
--- a/libavcodec/aacdec_template.c
+++ b/libavcodec/aacdec_template.c
@@ -266,6 +266,7 @@ static int count_paired_channels(uint8_t (*layout_map)[3], int tags, int pos,
     return num_pos_channels;
 }
 
+#define PREFIX_FOR_22POINT2 (AV_CH_LAYOUT_7POINT1_WIDE_BACK|AV_CH_BACK_CENTER|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT|AV_CH_LOW_FREQUENCY_2)
 static uint64_t sniff_channel_order(uint8_t (*layout_map)[3], int tags)
 {
     int i, n, total_non_cc_elements;
@@ -401,7 +402,14 @@ static uint64_t sniff_channel_order(uint8_t (*layout_map)[3], int tags)
     }
 
     // The previous checks would end up at 8 at this point for 22.2
-    if (tags == 16 && i == 8) {
+    if (layout == PREFIX_FOR_22POINT2 && tags == 16 && i == 8) {
+        const uint8_t (*reference_layout_map)[3] = aac_channel_layout_map[12];
+        for (int j = 0; j < tags; j++) {
+            if (layout_map[j][0] != reference_layout_map[j][0] ||
+                layout_map[j][2] != reference_layout_map[j][2])
+                goto end_of_layout_definition;
+        }
+
         e2c_vec[i] = (struct elem_to_channel) {
             .av_position  = AV_CH_TOP_FRONT_CENTER,
             .syn_ele      = layout_map[i][0],
@@ -448,9 +456,11 @@ static uint64_t sniff_channel_order(uint8_t (*layout_map)[3], int tags)
                          &layout);
     }
 
+end_of_layout_definition:
+
     total_non_cc_elements = n = i;
 
-    if (tags == 16 && total_non_cc_elements == 16) {
+    if (layout == AV_CH_LAYOUT_22POINT2) {
         // For 22.2 reorder the result as needed
         FFSWAP(struct elem_to_channel, e2c_vec[2], e2c_vec[0]);   // FL & FR first (final), FC third
         FFSWAP(struct elem_to_channel, e2c_vec[2], e2c_vec[1]);   // FC second (final), FLc & FRc third
@@ -1185,29 +1195,25 @@ static void reset_predictor_group(PredictorState *ps, int group_num)
         reset_predict_state(&ps[i]);
 }
 
-#define AAC_INIT_VLC_STATIC(num, size)                                     \
-    INIT_VLC_STATIC(&vlc_spectral[num], 8, ff_aac_spectral_sizes[num],     \
-         ff_aac_spectral_bits[num], sizeof(ff_aac_spectral_bits[num][0]),  \
-                                    sizeof(ff_aac_spectral_bits[num][0]),  \
-        ff_aac_spectral_codes[num], sizeof(ff_aac_spectral_codes[num][0]), \
-                                    sizeof(ff_aac_spectral_codes[num][0]), \
-        size);
-
 static void aacdec_init(AACContext *ac);
 
 static av_cold void aac_static_table_init(void)
 {
-    AAC_INIT_VLC_STATIC( 0, 304);
-    AAC_INIT_VLC_STATIC( 1, 270);
-    AAC_INIT_VLC_STATIC( 2, 550);
-    AAC_INIT_VLC_STATIC( 3, 300);
-    AAC_INIT_VLC_STATIC( 4, 328);
-    AAC_INIT_VLC_STATIC( 5, 294);
-    AAC_INIT_VLC_STATIC( 6, 306);
-    AAC_INIT_VLC_STATIC( 7, 268);
-    AAC_INIT_VLC_STATIC( 8, 510);
-    AAC_INIT_VLC_STATIC( 9, 366);
-    AAC_INIT_VLC_STATIC(10, 462);
+    static VLC_TYPE vlc_buf[304 + 270 + 550 + 300 + 328 +
+                            294 + 306 + 268 + 510 + 366 + 462][2];
+    for (unsigned i = 0, offset = 0; i < 11; i++) {
+        vlc_spectral[i].table           = &vlc_buf[offset];
+        vlc_spectral[i].table_allocated = FF_ARRAY_ELEMS(vlc_buf) - offset;
+        ff_init_vlc_sparse(&vlc_spectral[i], 8, ff_aac_spectral_sizes[i],
+                           ff_aac_spectral_bits[i],       sizeof(ff_aac_spectral_bits[i][0]),
+                                                          sizeof(ff_aac_spectral_bits[i][0]),
+                           ff_aac_spectral_codes[i],      sizeof(ff_aac_spectral_codes[i][0]),
+                                                          sizeof(ff_aac_spectral_codes[i][0]),
+                           ff_aac_codebook_vector_idx[i], sizeof(ff_aac_codebook_vector_idx[i][0]),
+                                                          sizeof(ff_aac_codebook_vector_idx[i][0]),
+                 INIT_VLC_STATIC_OVERLONG);
+        offset += vlc_spectral[i].table_size;
+    }
 
     AAC_RENAME(ff_aac_sbr_init)();
 
@@ -1224,17 +1230,19 @@ static av_cold void aac_static_table_init(void)
                     352);
 
     // window initialization
-    AAC_RENAME(ff_kbd_window_init)(AAC_RENAME(ff_aac_kbd_long_1024), 4.0, 1024);
-    AAC_RENAME(ff_kbd_window_init)(AAC_RENAME(ff_aac_kbd_short_128), 6.0, 128);
 #if !USE_FIXED
-    AAC_RENAME(ff_kbd_window_init)(AAC_RENAME(ff_aac_kbd_long_960), 4.0, 960);
-    AAC_RENAME(ff_kbd_window_init)(AAC_RENAME(ff_aac_kbd_short_120), 6.0, 120);
-    AAC_RENAME(ff_sine_window_init)(AAC_RENAME(ff_sine_960), 960);
-    AAC_RENAME(ff_sine_window_init)(AAC_RENAME(ff_sine_120), 120);
-#endif
+    AAC_RENAME(ff_kbd_window_init)(AAC_RENAME(aac_kbd_long_960), 4.0, 960);
+    AAC_RENAME(ff_kbd_window_init)(AAC_RENAME(aac_kbd_short_120), 6.0, 120);
+    AAC_RENAME(ff_sine_window_init)(AAC_RENAME(sine_960), 960);
+    AAC_RENAME(ff_sine_window_init)(AAC_RENAME(sine_120), 120);
+    ff_aac_float_common_init();
+#else
+    AAC_RENAME(ff_kbd_window_init)(AAC_KBD_RENAME(kbd_long_1024), 4.0, 1024);
+    AAC_RENAME(ff_kbd_window_init)(AAC_KBD_RENAME(kbd_short_128), 6.0, 128);
     AAC_RENAME(ff_init_ff_sine_windows)(10);
-    AAC_RENAME(ff_init_ff_sine_windows)( 9);
     AAC_RENAME(ff_init_ff_sine_windows)( 7);
+#endif
+    AAC_RENAME(ff_init_ff_sine_windows)( 9);
 
     AAC_RENAME(ff_cbrt_tableinit)();
 }
@@ -1792,7 +1800,6 @@ static int decode_spectrum_and_dequant(AACContext *ac, INTFLOAT coef[1024],
 #if !USE_FIXED
                 const float *vq = ff_aac_codebook_vector_vals[cbt_m1];
 #endif /* !USE_FIXED */
-                const uint16_t *cb_vector_idx = ff_aac_codebook_vector_idx[cbt_m1];
                 VLC_TYPE (*vlc_tab)[2] = vlc_spectral[cbt_m1].table;
                 OPEN_READER(re, gb);
 
@@ -1808,7 +1815,7 @@ static int decode_spectrum_and_dequant(AACContext *ac, INTFLOAT coef[1024],
 
                             UPDATE_CACHE(re, gb);
                             GET_VLC(code, re, gb, vlc_tab, 8, 2);
-                            cb_idx = cb_vector_idx[code];
+                            cb_idx = code;
 #if USE_FIXED
                             cf = DEC_SQUAD(cf, cb_idx);
 #else
@@ -1831,7 +1838,7 @@ static int decode_spectrum_and_dequant(AACContext *ac, INTFLOAT coef[1024],
 
                             UPDATE_CACHE(re, gb);
                             GET_VLC(code, re, gb, vlc_tab, 8, 2);
-                            cb_idx = cb_vector_idx[code];
+                            cb_idx = code;
                             nnz = cb_idx >> 8 & 15;
                             bits = nnz ? GET_CACHE(re, gb) : 0;
                             LAST_SKIP_BITS(re, gb, nnz);
@@ -1855,7 +1862,7 @@ static int decode_spectrum_and_dequant(AACContext *ac, INTFLOAT coef[1024],
 
                             UPDATE_CACHE(re, gb);
                             GET_VLC(code, re, gb, vlc_tab, 8, 2);
-                            cb_idx = cb_vector_idx[code];
+                            cb_idx = code;
 #if USE_FIXED
                             cf = DEC_SPAIR(cf, cb_idx);
 #else
@@ -1879,7 +1886,7 @@ static int decode_spectrum_and_dequant(AACContext *ac, INTFLOAT coef[1024],
 
                             UPDATE_CACHE(re, gb);
                             GET_VLC(code, re, gb, vlc_tab, 8, 2);
-                            cb_idx = cb_vector_idx[code];
+                            cb_idx = code;
                             nnz = cb_idx >> 8 & 15;
                             sign = nnz ? SHOW_UBITS(re, gb, nnz) << (cb_idx >> 12) : 0;
                             LAST_SKIP_BITS(re, gb, nnz);
@@ -1912,14 +1919,14 @@ static int decode_spectrum_and_dequant(AACContext *ac, INTFLOAT coef[1024],
 
                             UPDATE_CACHE(re, gb);
                             GET_VLC(code, re, gb, vlc_tab, 8, 2);
+                            cb_idx = code;
 
-                            if (!code) {
+                            if (cb_idx == 0x0000) {
                                 *icf++ = 0;
                                 *icf++ = 0;
                                 continue;
                             }
 
-                            cb_idx = cb_vector_idx[code];
                             nnz = cb_idx >> 12;
                             nzt = cb_idx >> 8;
                             bits = SHOW_UBITS(re, gb, nnz) << (32-nnz);
@@ -2637,10 +2644,10 @@ static void apply_tns(INTFLOAT coef_param[1024], TemporalNoiseShaping *tns,
 static void windowing_and_mdct_ltp(AACContext *ac, INTFLOAT *out,
                                    INTFLOAT *in, IndividualChannelStream *ics)
 {
-    const INTFLOAT *lwindow      = ics->use_kb_window[0] ? AAC_RENAME(ff_aac_kbd_long_1024) : AAC_RENAME(ff_sine_1024);
-    const INTFLOAT *swindow      = ics->use_kb_window[0] ? AAC_RENAME(ff_aac_kbd_short_128) : AAC_RENAME(ff_sine_128);
-    const INTFLOAT *lwindow_prev = ics->use_kb_window[1] ? AAC_RENAME(ff_aac_kbd_long_1024) : AAC_RENAME(ff_sine_1024);
-    const INTFLOAT *swindow_prev = ics->use_kb_window[1] ? AAC_RENAME(ff_aac_kbd_short_128) : AAC_RENAME(ff_sine_128);
+    const INTFLOAT *lwindow      = ics->use_kb_window[0] ? AAC_KBD_RENAME(kbd_long_1024) : AAC_RENAME(ff_sine_1024);
+    const INTFLOAT *swindow      = ics->use_kb_window[0] ? AAC_KBD_RENAME(kbd_short_128) : AAC_RENAME(ff_sine_128);
+    const INTFLOAT *lwindow_prev = ics->use_kb_window[1] ? AAC_KBD_RENAME(kbd_long_1024) : AAC_RENAME(ff_sine_1024);
+    const INTFLOAT *swindow_prev = ics->use_kb_window[1] ? AAC_KBD_RENAME(kbd_short_128) : AAC_RENAME(ff_sine_128);
 
     if (ics->window_sequence[0] != LONG_STOP_SEQUENCE) {
         ac->fdsp->vector_fmul(in, in, lwindow_prev, 1024);
@@ -2697,8 +2704,8 @@ static void update_ltp(AACContext *ac, SingleChannelElement *sce)
     IndividualChannelStream *ics = &sce->ics;
     INTFLOAT *saved     = sce->saved;
     INTFLOAT *saved_ltp = sce->coeffs;
-    const INTFLOAT *lwindow = ics->use_kb_window[0] ? AAC_RENAME(ff_aac_kbd_long_1024) : AAC_RENAME(ff_sine_1024);
-    const INTFLOAT *swindow = ics->use_kb_window[0] ? AAC_RENAME(ff_aac_kbd_short_128) : AAC_RENAME(ff_sine_128);
+    const INTFLOAT *lwindow = ics->use_kb_window[0] ? AAC_KBD_RENAME(kbd_long_1024) : AAC_RENAME(ff_sine_1024);
+    const INTFLOAT *swindow = ics->use_kb_window[0] ? AAC_KBD_RENAME(kbd_short_128) : AAC_RENAME(ff_sine_128);
     int i;
 
     if (ics->window_sequence[0] == EIGHT_SHORT_SEQUENCE) {
@@ -2736,9 +2743,9 @@ static void imdct_and_windowing(AACContext *ac, SingleChannelElement *sce)
     INTFLOAT *in    = sce->coeffs;
     INTFLOAT *out   = sce->ret;
     INTFLOAT *saved = sce->saved;
-    const INTFLOAT *swindow      = ics->use_kb_window[0] ? AAC_RENAME(ff_aac_kbd_short_128) : AAC_RENAME(ff_sine_128);
-    const INTFLOAT *lwindow_prev = ics->use_kb_window[1] ? AAC_RENAME(ff_aac_kbd_long_1024) : AAC_RENAME(ff_sine_1024);
-    const INTFLOAT *swindow_prev = ics->use_kb_window[1] ? AAC_RENAME(ff_aac_kbd_short_128) : AAC_RENAME(ff_sine_128);
+    const INTFLOAT *swindow      = ics->use_kb_window[0] ? AAC_KBD_RENAME(kbd_short_128) : AAC_RENAME(ff_sine_128);
+    const INTFLOAT *lwindow_prev = ics->use_kb_window[1] ? AAC_KBD_RENAME(kbd_long_1024) : AAC_RENAME(ff_sine_1024);
+    const INTFLOAT *swindow_prev = ics->use_kb_window[1] ? AAC_KBD_RENAME(kbd_short_128) : AAC_RENAME(ff_sine_128);
     INTFLOAT *buf  = ac->buf_mdct;
     INTFLOAT *temp = ac->temp;
     int i;
@@ -2805,9 +2812,9 @@ static void imdct_and_windowing_960(AACContext *ac, SingleChannelElement *sce)
     INTFLOAT *in    = sce->coeffs;
     INTFLOAT *out   = sce->ret;
     INTFLOAT *saved = sce->saved;
-    const INTFLOAT *swindow      = ics->use_kb_window[0] ? AAC_RENAME(ff_aac_kbd_short_120) : AAC_RENAME(ff_sine_120);
-    const INTFLOAT *lwindow_prev = ics->use_kb_window[1] ? AAC_RENAME(ff_aac_kbd_long_960) : AAC_RENAME(ff_sine_960);
-    const INTFLOAT *swindow_prev = ics->use_kb_window[1] ? AAC_RENAME(ff_aac_kbd_short_120) : AAC_RENAME(ff_sine_120);
+    const INTFLOAT *swindow      = ics->use_kb_window[0] ? AAC_RENAME(aac_kbd_short_120) : AAC_RENAME(sine_120);
+    const INTFLOAT *lwindow_prev = ics->use_kb_window[1] ? AAC_RENAME(aac_kbd_long_960) : AAC_RENAME(sine_960);
+    const INTFLOAT *swindow_prev = ics->use_kb_window[1] ? AAC_RENAME(aac_kbd_short_120) : AAC_RENAME(sine_120);
     INTFLOAT *buf  = ac->buf_mdct;
     INTFLOAT *temp = ac->temp;
     int i;
@@ -3302,7 +3309,7 @@ static int aac_decode_frame_int(AVCodecContext *avctx, void *data,
             break;
 
         case TYPE_PCE: {
-            uint8_t layout_map[MAX_ELEM_ID*4][3];
+            uint8_t layout_map[MAX_ELEM_ID*4][3] = {{0}};
             int tags;
 
             int pushed = push_output_configuration(ac);
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