[FFmpeg-devel] [PATCH] avcodec/aac: add 960/120 MDCT window

Paul B Mahol onemda at gmail.com
Sun Jul 16 20:28:31 EEST 2017


Signed-off-by: Rostislav Pehlivanov <atomnuker at gmail.com>
Signed-off-by: Alex Converse <alex.converse at gmail.com>
Signed-off-by: Paul B Mahol <onemda at gmail.com>
---
 Changelog                     |   1 +
 libavcodec/aac.h              |   3 +
 libavcodec/aacdec_template.c  | 126 +++++++++++++++++++++++++++++++++++++++---
 libavcodec/aacsbr_template.c  |   3 +-
 libavcodec/aactab.c           | 122 ++++++++++++++++++++++++++++++++++++++++
 libavcodec/aactab.h           |   8 +++
 libavcodec/sinewin.h          |   4 +-
 libavcodec/sinewin_tablegen.h |   5 +-
 8 files changed, 259 insertions(+), 13 deletions(-)

diff --git a/Changelog b/Changelog
index 927cf1c..e0065fe 100644
--- a/Changelog
+++ b/Changelog
@@ -28,6 +28,7 @@ version <next>:
 - support for decoding through D3D11VA in ffmpeg
 - limiter video filter
 - libvmaf video filter
+- aac 960/120 frame length support
 
 version 3.3:
 - CrystalHD decoder moved to new decode API
diff --git a/libavcodec/aac.h b/libavcodec/aac.h
index 97a2df6..c6d06b6 100644
--- a/libavcodec/aac.h
+++ b/libavcodec/aac.h
@@ -306,6 +306,7 @@ struct AACContext {
     ChannelElement  *tag_che_map[4][MAX_ELEM_ID];
     int tags_mapped;
     int warned_remapping_once;
+    int warned_960_sbr;
     /** @} */
 
     /**
@@ -327,7 +328,9 @@ struct AACContext {
 #if USE_FIXED
     AVFixedDSPContext *fdsp;
 #else
+    MDCT15Context *mdct120;
     MDCT15Context *mdct480;
+    MDCT15Context *mdct960;
     AVFloatDSPContext *fdsp;
 #endif /* USE_FIXED */
     int random_state;
diff --git a/libavcodec/aacdec_template.c b/libavcodec/aacdec_template.c
index c60a6ca..d1d21d1 100644
--- a/libavcodec/aacdec_template.c
+++ b/libavcodec/aacdec_template.c
@@ -811,11 +811,21 @@ static int decode_ga_specific_config(AACContext *ac, AVCodecContext *avctx,
     uint8_t layout_map[MAX_ELEM_ID*4][3];
     int tags = 0;
 
-    if (get_bits1(gb)) { // frameLengthFlag
-        avpriv_request_sample(avctx, "960/120 MDCT window");
+#if USE_FIXED
+    if (get_bits1(gb)) {
+        avpriv_report_missing_feature(avctx, "960/120 MDCT window");
         return AVERROR_PATCHWELCOME;
     }
-    m4ac->frame_length_short = 0;
+#else
+    m4ac->frame_length_short = get_bits1(gb);
+#endif
+    if (m4ac->frame_length_short) {
+        if (!ac->warned_960_sbr)
+            avpriv_report_missing_feature(avctx, "SBR with a 960 frame length");
+        ac->warned_960_sbr = 1;
+        m4ac->sbr = 0;
+        m4ac->ps = 0;
+    }
 
     if (get_bits1(gb))       // dependsOnCoreCoder
         skip_bits(gb, 14);   // coreCoderDelay
@@ -1126,6 +1136,10 @@ static av_cold void aac_static_table_init(void)
     // 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);
+    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);
     AAC_RENAME(ff_init_ff_sine_windows)(10);
     AAC_RENAME(ff_init_ff_sine_windows)( 9);
     AAC_RENAME(ff_init_ff_sine_windows)( 7);
@@ -1214,6 +1228,12 @@ static av_cold int aac_decode_init(AVCodecContext *avctx)
     ret = ff_mdct15_init(&ac->mdct480, 1, 5, 1.0f/(16*1024*960));
     if (ret < 0)
         return ret;
+    ret = ff_mdct15_init(&ac->mdct120, 1, 3, 1.0 / RANGE15(120.0));
+    if (ret < 0)
+        return ret;
+    ret = ff_mdct15_init(&ac->mdct960, 1, 6, 1.0 / RANGE15(960.0));
+    if (ret < 0)
+        return ret;
 #endif
 
     return 0;
@@ -1314,8 +1334,13 @@ static int decode_ics_info(AACContext *ac, IndividualChannelStream *ics,
             }
         }
         ics->num_windows       = 8;
-        ics->swb_offset        =    ff_swb_offset_128[sampling_index];
-        ics->num_swb           =   ff_aac_num_swb_128[sampling_index];
+        if (m4ac->frame_length_short) {
+            ics->swb_offset    =  ff_swb_offset_120[sampling_index];
+            ics->num_swb       = ff_aac_num_swb_120[sampling_index];
+        } else {
+            ics->swb_offset    =  ff_swb_offset_128[sampling_index];
+            ics->num_swb       = ff_aac_num_swb_128[sampling_index];
+        }
         ics->tns_max_bands     = ff_tns_max_bands_128[sampling_index];
         ics->predictor_present = 0;
     } else {
@@ -1334,8 +1359,13 @@ static int decode_ics_info(AACContext *ac, IndividualChannelStream *ics,
             if (!ics->num_swb || !ics->swb_offset)
                 return AVERROR_BUG;
         } else {
-            ics->swb_offset    =    ff_swb_offset_1024[sampling_index];
-            ics->num_swb       =   ff_aac_num_swb_1024[sampling_index];
+            if (m4ac->frame_length_short) {
+                ics->num_swb    = ff_aac_num_swb_960[sampling_index];
+                ics->swb_offset = ff_swb_offset_960[sampling_index];
+            } else {
+                ics->num_swb    = ff_aac_num_swb_1024[sampling_index];
+                ics->swb_offset = ff_swb_offset_1024[sampling_index];
+            }
             ics->tns_max_bands = ff_tns_max_bands_1024[sampling_index];
         }
         if (aot != AOT_ER_AAC_ELD) {
@@ -2348,6 +2378,12 @@ static int decode_extension_payload(AACContext *ac, GetBitContext *gb, int cnt,
         if (!che) {
             av_log(ac->avctx, AV_LOG_ERROR, "SBR was found before the first channel element.\n");
             return res;
+        } else if (ac->oc[1].m4ac.frame_length_short) {
+            if (!ac->warned_960_sbr)
+                avpriv_report_missing_feature(ac->avctx, "SBR with a 960 frame length");
+            ac->warned_960_sbr = 1;
+            skip_bits_long(gb, 8 * cnt - 4);
+            return res;
         } else if (!ac->oc[1].m4ac.sbr) {
             av_log(ac->avctx, AV_LOG_ERROR, "SBR signaled to be not-present but was found in the bitstream.\n");
             skip_bits_long(gb, 8 * cnt - 4);
@@ -2607,6 +2643,73 @@ static void imdct_and_windowing(AACContext *ac, SingleChannelElement *sce)
     }
 }
 
+/**
+ * Conduct IMDCT and windowing.
+ */
+static void imdct_and_windowing_960(AACContext *ac, SingleChannelElement *sce)
+{
+#if !USE_FIXED
+    IndividualChannelStream *ics = &sce->ics;
+    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);
+    INTFLOAT *buf  = ac->buf_mdct;
+    INTFLOAT *temp = ac->temp;
+    int i;
+
+    // imdct
+    if (ics->window_sequence[0] == EIGHT_SHORT_SEQUENCE) {
+        for (i = 0; i < 8; i++)
+            ac->mdct120->imdct_half(ac->mdct120, buf + i * 120, in + i * 128, 1);
+    } else {
+        ac->mdct960->imdct_half(ac->mdct960, buf, in, 1);
+    }
+
+    /* window overlapping
+     * NOTE: To simplify the overlapping code, all 'meaningless' short to long
+     * and long to short transitions are considered to be short to short
+     * transitions. This leaves just two cases (long to long and short to short)
+     * with a little special sauce for EIGHT_SHORT_SEQUENCE.
+     */
+
+    if ((ics->window_sequence[1] == ONLY_LONG_SEQUENCE || ics->window_sequence[1] == LONG_STOP_SEQUENCE) &&
+        (ics->window_sequence[0] == ONLY_LONG_SEQUENCE || ics->window_sequence[0] == LONG_START_SEQUENCE)) {
+        ac->fdsp->vector_fmul_window(    out,               saved,            buf,         lwindow_prev, 480);
+    } else {
+        memcpy(                          out,               saved,            420 * sizeof(*out));
+
+        if (ics->window_sequence[0] == EIGHT_SHORT_SEQUENCE) {
+            ac->fdsp->vector_fmul_window(out + 420 + 0*120, saved + 420,      buf + 0*120, swindow_prev, 60);
+            ac->fdsp->vector_fmul_window(out + 420 + 1*120, buf + 0*120 + 60, buf + 1*120, swindow,      60);
+            ac->fdsp->vector_fmul_window(out + 420 + 2*120, buf + 1*120 + 60, buf + 2*120, swindow,      60);
+            ac->fdsp->vector_fmul_window(out + 420 + 3*120, buf + 2*120 + 60, buf + 3*120, swindow,      60);
+            ac->fdsp->vector_fmul_window(temp,              buf + 3*120 + 60, buf + 4*120, swindow,      60);
+            memcpy(                      out + 420 + 4*120, temp, 60 * sizeof(*out));
+        } else {
+            ac->fdsp->vector_fmul_window(out + 420,         saved + 420,      buf,         swindow_prev, 60);
+            memcpy(                      out + 540,         buf + 60,         420 * sizeof(*out));
+        }
+    }
+
+    // buffer update
+    if (ics->window_sequence[0] == EIGHT_SHORT_SEQUENCE) {
+        memcpy(                      saved,       temp + 60,         60 * sizeof(*saved));
+        ac->fdsp->vector_fmul_window(saved + 60,  buf + 4*120 + 60, buf + 5*120, swindow, 60);
+        ac->fdsp->vector_fmul_window(saved + 180, buf + 5*120 + 60, buf + 6*120, swindow, 60);
+        ac->fdsp->vector_fmul_window(saved + 300, buf + 6*120 + 60, buf + 7*120, swindow, 60);
+        memcpy(                      saved + 420, buf + 7*120 + 60,  60 * sizeof(*saved));
+    } else if (ics->window_sequence[0] == LONG_START_SEQUENCE) {
+        memcpy(                      saved,       buf + 480,        420 * sizeof(*saved));
+        memcpy(                      saved + 420, buf + 7*120 + 60,  60 * sizeof(*saved));
+    } else { // LONG_STOP or ONLY_LONG
+        memcpy(                      saved,       buf + 480,        480 * sizeof(*saved));
+    }
+#endif
+}
+
 static void imdct_and_windowing_ld(AACContext *ac, SingleChannelElement *sce)
 {
     IndividualChannelStream *ics = &sce->ics;
@@ -2758,7 +2861,10 @@ static void spectral_to_sample(AACContext *ac, int samples)
         imdct_and_window = imdct_and_windowing_eld;
         break;
     default:
-        imdct_and_window = ac->imdct_and_windowing;
+        if (ac->oc[1].m4ac.frame_length_short)
+            imdct_and_window = imdct_and_windowing_960;
+        else
+            imdct_and_window = ac->imdct_and_windowing;
     }
     for (type = 3; type >= 0; type--) {
         for (i = 0; i < MAX_ELEM_ID; i++) {
@@ -3002,7 +3108,7 @@ static int aac_decode_frame_int(AVCodecContext *avctx, void *data,
                 err = AVERROR_INVALIDDATA;
                 goto fail;
             }
-            samples = 1024;
+            samples = ac->oc[1].m4ac.frame_length_short ? 960 : 1024;
             che->present = 1;
         }
 
@@ -3229,7 +3335,9 @@ static av_cold int aac_decode_close(AVCodecContext *avctx)
     ff_mdct_end(&ac->mdct_ld);
     ff_mdct_end(&ac->mdct_ltp);
 #if !USE_FIXED
+    ff_mdct15_uninit(&ac->mdct120);
     ff_mdct15_uninit(&ac->mdct480);
+    ff_mdct15_uninit(&ac->mdct960);
 #endif
     av_freep(&ac->fdsp);
     return 0;
diff --git a/libavcodec/aacsbr_template.c b/libavcodec/aacsbr_template.c
index 930d33e..0ce9fcb 100644
--- a/libavcodec/aacsbr_template.c
+++ b/libavcodec/aacsbr_template.c
@@ -620,8 +620,7 @@ static int read_sbr_grid(AACContext *ac, SpectralBandReplication *sbr,
 {
     int i;
     int bs_pointer = 0;
-    // frameLengthFlag ? 15 : 16; 960 sample length frames unsupported; this value is numTimeSlots
-    int abs_bord_trail = 16;
+    int abs_bord_trail = ac->oc[1].m4ac.frame_length_short ? 15 : 16;
     int num_rel_lead, num_rel_trail;
     unsigned bs_num_env_old = ch_data->bs_num_env;
     int bs_frame_class, bs_num_env;
diff --git a/libavcodec/aactab.c b/libavcodec/aactab.c
index 77d8732..057485a 100644
--- a/libavcodec/aactab.c
+++ b/libavcodec/aactab.c
@@ -37,6 +37,10 @@ float ff_aac_pow34sf_tab[428];
 
 DECLARE_ALIGNED(32, float,  ff_aac_kbd_long_1024)[1024];
 DECLARE_ALIGNED(32, float,  ff_aac_kbd_short_128)[128];
+DECLARE_ALIGNED(32, float,  ff_aac_kbd_long_960)[960];
+DECLARE_ALIGNED(32, float,  ff_aac_kbd_short_120)[120];
+DECLARE_ALIGNED(32, int,    ff_aac_kbd_long_960_fixed)[960];
+DECLARE_ALIGNED(32, int,    ff_aac_kbd_short_120_fixed)[120];
 DECLARE_ALIGNED(32, int,    ff_aac_kbd_long_1024_fixed)[1024];
 DECLARE_ALIGNED(32, int,    ff_aac_kbd_short_128_fixed)[128];
 
@@ -44,6 +48,10 @@ const uint8_t ff_aac_num_swb_1024[] = {
     41, 41, 47, 49, 49, 51, 47, 47, 43, 43, 43, 40, 40
 };
 
+const uint8_t ff_aac_num_swb_960[] = {
+    40, 40, 46, 49, 49, 49, 46, 46, 42, 42, 42, 40, 40
+};
+
 const uint8_t ff_aac_num_swb_512[] = {
      0,  0,  0, 36, 36, 37, 31, 31,  0,  0,  0,  0,  0
 };
@@ -56,6 +64,10 @@ const uint8_t ff_aac_num_swb_128[] = {
     12, 12, 12, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15
 };
 
+const uint8_t ff_aac_num_swb_120[] = {
+    12, 12, 12, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15
+};
+
 const uint8_t ff_aac_pred_sfb_max[] = {
     33, 33, 38, 40, 40, 40, 41, 41, 37, 37, 37, 34, 34
 };
@@ -1229,6 +1241,100 @@ static const uint16_t swb_offset_128_8[] = {
     36,  44,  52,  60,  72,  88, 108, 128
 };
 
+static const uint16_t swb_offset_960_96[] =
+{
+    0,   4,   8,   12,  16,  20,  24,  28,  32,  36,
+    40,  44,  48,  52,  56,  64,  72,  80,  88,  96,
+    108, 120, 132, 144, 156, 172, 188, 212, 240, 276,
+    320, 384, 448, 512, 576, 640, 704, 768, 832, 896,
+    960
+};
+
+static const uint16_t swb_offset_960_64[] =
+{
+    0,   4,   8,   12,  16,  20,  24,  28,  32,  36,
+    40,  44,  48,  52,  56,  64,  72,  80,  88,  100,
+    112, 124, 140, 156, 172, 192, 216, 240, 268, 304,
+    344, 384, 424, 464, 504, 544, 584, 624, 664, 704,
+    744, 784, 824, 864, 904, 944, 960
+};
+
+static const uint16_t swb_offset_960_48[] =
+{
+    0,   4,   8,   12,  16,  20,  24,  28,  32,  36,
+    40,  48,  56,  64,  72,  80,  88,  96,  108, 120,
+    132, 144, 160, 176, 196, 216, 240, 264, 292, 320,
+    352, 384, 416, 448, 480, 512, 544, 576, 608, 640,
+    672, 704, 736, 768, 800, 832, 864, 896, 928, 960
+};
+
+static const uint16_t swb_offset_960_32[] =
+{
+    0,   4,   8,   12,  16,  20,  24,  28,  32,  36,
+    40,  48,  56,  64,  72,  80,  88,  96,  108, 120,
+    132, 144, 160, 176, 196, 216, 240, 264, 292, 320,
+    352, 384, 416, 448, 480, 512, 544, 576, 608, 640,
+    672, 704, 736, 768, 800, 832, 864, 896, 928, 960
+};
+
+static const uint16_t swb_offset_960_24[] =
+{
+    0,   4,   8,   12,  16,  20,  24,  28,  32,  36,
+    40,  44,  52,  60,  68,  76,  84,  92,  100, 108,
+    116, 124, 136, 148, 160, 172, 188, 204, 220, 240,
+    260, 284, 308, 336, 364, 396, 432, 468, 508, 552,
+    600, 652, 704, 768, 832, 896, 960
+};
+
+static const uint16_t swb_offset_960_16[] =
+{
+    0,   8,   16,  24,  32,  40,  48,  56,  64,  72,
+    80,  88,  100, 112, 124, 136, 148, 160, 172, 184,
+    196, 212, 228, 244, 260, 280, 300, 320, 344, 368,
+    396, 424, 456, 492, 532, 572, 616, 664, 716, 772,
+    832, 896, 960
+};
+
+static const uint16_t swb_offset_960_8[] =
+{
+    0,   12,  24,  36,  48,  60,  72,  84,  96,  108,
+    120, 132, 144, 156, 172, 188, 204, 220, 236, 252,
+    268, 288, 308, 328, 348, 372, 396, 420, 448, 476,
+    508, 544, 580, 620, 664, 712, 764, 820, 880, 944,
+    960
+};
+
+
+static const uint16_t swb_offset_120_96[] =
+{
+    0, 4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 92, 120
+};
+
+static const uint16_t swb_offset_120_64[] =
+{
+    0, 4, 8, 12, 16, 20, 24, 32, 40, 48, 64, 92, 120
+};
+
+static const uint16_t swb_offset_120_48[] =
+{
+    0,  4, 8, 12, 16, 20, 28, 36, 44, 56, 68, 80, 96, 112, 120
+};
+
+static const uint16_t swb_offset_120_24[] =
+{
+    0, 4, 8, 12, 16, 20, 24, 28, 36, 44, 52, 64, 76, 92, 108, 120
+};
+
+static const uint16_t swb_offset_120_16[] =
+{
+    0, 4, 8, 12, 16, 20, 24, 28, 32, 40, 48, 60, 72, 88, 108, 120
+};
+
+static const uint16_t swb_offset_120_8[] =
+{
+    0, 4, 8, 12, 16,  20, 24, 28, 36, 44, 52, 60, 72, 88, 108, 120
+};
+
 const uint16_t * const ff_swb_offset_1024[] = {
     swb_offset_1024_96, swb_offset_1024_96, swb_offset_1024_64,
     swb_offset_1024_48, swb_offset_1024_48, swb_offset_1024_32,
@@ -1237,6 +1343,14 @@ const uint16_t * const ff_swb_offset_1024[] = {
     swb_offset_1024_8
 };
 
+const uint16_t * const ff_swb_offset_960[] = {
+    swb_offset_960_96, swb_offset_960_96, swb_offset_960_64,
+    swb_offset_960_48, swb_offset_960_48, swb_offset_960_32,
+    swb_offset_960_24, swb_offset_960_24, swb_offset_960_16,
+    swb_offset_960_16, swb_offset_960_16, swb_offset_960_8,
+    swb_offset_960_8
+};
+
 const uint16_t * const ff_swb_offset_512[] = {
     NULL,               NULL,               NULL,
     swb_offset_512_48,  swb_offset_512_48,  swb_offset_512_32,
@@ -1263,6 +1377,14 @@ const uint16_t * const ff_swb_offset_128[] = {
     swb_offset_128_8
 };
 
+const uint16_t * const ff_swb_offset_120[] = {
+    swb_offset_120_96, swb_offset_120_96, swb_offset_120_96,
+    swb_offset_120_48, swb_offset_120_48, swb_offset_120_48,
+    swb_offset_120_24, swb_offset_120_24, swb_offset_120_16,
+    swb_offset_120_16, swb_offset_120_16, swb_offset_120_8,
+    swb_offset_120_8
+};
+
 // @}
 
 /* @name ff_tns_max_bands
diff --git a/libavcodec/aactab.h b/libavcodec/aactab.h
index 48ca0fd..03e0d8f 100644
--- a/libavcodec/aactab.h
+++ b/libavcodec/aactab.h
@@ -136,6 +136,10 @@ static const INTFLOAT * const tns_tmp2_map[4] = {
  */
 DECLARE_ALIGNED(32, extern float,  ff_aac_kbd_long_1024)[1024];
 DECLARE_ALIGNED(32, extern float,  ff_aac_kbd_short_128)[128];
+DECLARE_ALIGNED(32, extern float,  ff_aac_kbd_long_960)[960];
+DECLARE_ALIGNED(32, extern float,  ff_aac_kbd_short_120)[120];
+DECLARE_ALIGNED(32, extern int,    ff_aac_kbd_long_960_fixed)[960];
+DECLARE_ALIGNED(32, extern int,    ff_aac_kbd_short_120_fixed)[120];
 DECLARE_ALIGNED(32, extern int,    ff_aac_kbd_long_1024_fixed)[1024];
 DECLARE_ALIGNED(32, extern int,    ff_aac_kbd_long_512_fixed)[512];
 DECLARE_ALIGNED(32, extern int,    ff_aac_kbd_short_128_fixed)[128];
@@ -149,9 +153,11 @@ DECLARE_ALIGNED(32, extern const int,   ff_aac_eld_window_480_fixed)[1800];
  * @{
  */
 extern const uint8_t ff_aac_num_swb_1024[];
+extern const uint8_t ff_aac_num_swb_960 [];
 extern const uint8_t ff_aac_num_swb_512 [];
 extern const uint8_t ff_aac_num_swb_480 [];
 extern const uint8_t ff_aac_num_swb_128 [];
+extern const uint8_t ff_aac_num_swb_120 [];
 // @}
 
 extern const uint8_t ff_aac_pred_sfb_max [];
@@ -168,9 +174,11 @@ extern const float *ff_aac_codebook_vector_vals[];
 extern const uint16_t *ff_aac_codebook_vector_idx[];
 
 extern const uint16_t * const ff_swb_offset_1024[13];
+extern const uint16_t * const ff_swb_offset_960 [13];
 extern const uint16_t * const ff_swb_offset_512 [13];
 extern const uint16_t * const ff_swb_offset_480 [13];
 extern const uint16_t * const ff_swb_offset_128 [13];
+extern const uint16_t * const ff_swb_offset_120 [13];
 
 extern const uint8_t ff_tns_max_bands_1024[13];
 extern const uint8_t ff_tns_max_bands_512 [13];
diff --git a/libavcodec/sinewin.h b/libavcodec/sinewin.h
index 27c107c..6b97a71 100644
--- a/libavcodec/sinewin.h
+++ b/libavcodec/sinewin.h
@@ -52,14 +52,16 @@ void AAC_RENAME(ff_init_ff_sine_windows)(int index);
 
 extern SINETABLE(  32);
 extern SINETABLE(  64);
+extern SINETABLE( 120);
 extern SINETABLE( 128);
 extern SINETABLE( 256);
 extern SINETABLE( 512);
+extern SINETABLE( 960);
 extern SINETABLE(1024);
 extern SINETABLE(2048);
 extern SINETABLE(4096);
 extern SINETABLE(8192);
 
-extern SINETABLE_CONST INTFLOAT * const AAC_RENAME(ff_sine_windows)[14];
+extern SINETABLE_CONST INTFLOAT * const AAC_RENAME(ff_sine_windows)[16];
 
 #endif /* AVCODEC_SINEWIN_H */
diff --git a/libavcodec/sinewin_tablegen.h b/libavcodec/sinewin_tablegen.h
index 4432135..30c8cbf 100644
--- a/libavcodec/sinewin_tablegen.h
+++ b/libavcodec/sinewin_tablegen.h
@@ -34,9 +34,11 @@
 #if !CONFIG_HARDCODED_TABLES
 SINETABLE(  32);
 SINETABLE(  64);
+SINETABLE( 120);
 SINETABLE( 128);
 SINETABLE( 256);
 SINETABLE( 512);
+SINETABLE( 960);
 SINETABLE(1024);
 SINETABLE(2048);
 SINETABLE(4096);
@@ -59,7 +61,8 @@ SINETABLE_CONST INTFLOAT * const AAC_RENAME(ff_sine_windows)[] = {
     NULL, NULL, NULL, NULL, NULL, // unused
     AAC_RENAME(ff_sine_32) , AAC_RENAME(ff_sine_64), AAC_RENAME(ff_sine_128),
     AAC_RENAME(ff_sine_256), AAC_RENAME(ff_sine_512), AAC_RENAME(ff_sine_1024),
-    AAC_RENAME(ff_sine_2048), AAC_RENAME(ff_sine_4096), AAC_RENAME(ff_sine_8192)
+    AAC_RENAME(ff_sine_2048), AAC_RENAME(ff_sine_4096), AAC_RENAME(ff_sine_8192),
+    AAC_RENAME(ff_sine_120), AAC_RENAME(ff_sine_960),
 };
 
 // Generate a sine window.
-- 
2.9.3



More information about the ffmpeg-devel mailing list