lavc/j2kenc: Support AV_PIX_FMT_PAL8.
[ffmpeg.git] / libavcodec / aacsbr_template.c
index f8aa485..3fe78d5 100644 (file)
@@ -261,13 +261,6 @@ static int sbr_make_f_master(AACContext *ac, SpectralBandReplication *sbr,
     const int8_t *sbr_offset_ptr;
     int16_t stop_dk[13];
 
-    if (sbr->sample_rate < 32000) {
-        temp = 3000;
-    } else if (sbr->sample_rate < 64000) {
-        temp = 4000;
-    } else
-        temp = 5000;
-
     switch (sbr->sample_rate) {
     case 16000:
         sbr_offset_ptr = sbr_offset[0];
@@ -293,6 +286,13 @@ static int sbr_make_f_master(AACContext *ac, SpectralBandReplication *sbr,
         return -1;
     }
 
+    if (sbr->sample_rate < 32000) {
+        temp = 3000;
+    } else if (sbr->sample_rate < 64000) {
+        temp = 4000;
+    } else
+        temp = 5000;
+
     start_min = ((temp << 7) + (sbr->sample_rate >> 1)) / sbr->sample_rate;
     stop_min  = ((temp << 8) + (sbr->sample_rate >> 1)) / sbr->sample_rate;
 
@@ -624,24 +624,26 @@ static int read_sbr_grid(AACContext *ac, SpectralBandReplication *sbr,
     int abs_bord_trail = 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;
 
     ch_data->bs_freq_res[0] = ch_data->bs_freq_res[ch_data->bs_num_env];
     ch_data->bs_amp_res = sbr->bs_amp_res_header;
     ch_data->t_env_num_env_old = ch_data->t_env[bs_num_env_old];
 
-    switch (ch_data->bs_frame_class = get_bits(gb, 2)) {
+    switch (bs_frame_class = get_bits(gb, 2)) {
     case FIXFIX:
-        ch_data->bs_num_env                 = 1 << get_bits(gb, 2);
-        num_rel_lead                        = ch_data->bs_num_env - 1;
-        if (ch_data->bs_num_env == 1)
-            ch_data->bs_amp_res = 0;
-
-        if (ch_data->bs_num_env > 4) {
+        bs_num_env = 1 << get_bits(gb, 2);
+        if (bs_num_env > 4) {
             av_log(ac->avctx, AV_LOG_ERROR,
                    "Invalid bitstream, too many SBR envelopes in FIXFIX type SBR frame: %d\n",
-                   ch_data->bs_num_env);
+                   bs_num_env);
             return -1;
         }
+        ch_data->bs_num_env = bs_num_env;
+        num_rel_lead                        = ch_data->bs_num_env - 1;
+        if (ch_data->bs_num_env == 1)
+            ch_data->bs_amp_res = 0;
+
 
         ch_data->t_env[0]                   = 0;
         ch_data->t_env[ch_data->bs_num_env] = abs_bord_trail;
@@ -689,14 +691,15 @@ static int read_sbr_grid(AACContext *ac, SpectralBandReplication *sbr,
         abs_bord_trail                     += get_bits(gb, 2);
         num_rel_lead                        = get_bits(gb, 2);
         num_rel_trail                       = get_bits(gb, 2);
-        ch_data->bs_num_env                 = num_rel_lead + num_rel_trail + 1;
+        bs_num_env                          = num_rel_lead + num_rel_trail + 1;
 
-        if (ch_data->bs_num_env > 5) {
+        if (bs_num_env > 5) {
             av_log(ac->avctx, AV_LOG_ERROR,
                    "Invalid bitstream, too many SBR envelopes in VARVAR type SBR frame: %d\n",
-                   ch_data->bs_num_env);
+                   bs_num_env);
             return -1;
         }
+        ch_data->bs_num_env = bs_num_env;
 
         ch_data->t_env[ch_data->bs_num_env] = abs_bord_trail;
 
@@ -711,6 +714,7 @@ static int read_sbr_grid(AACContext *ac, SpectralBandReplication *sbr,
         get_bits1_vector(gb, ch_data->bs_freq_res + 1, ch_data->bs_num_env);
         break;
     }
+    ch_data->bs_frame_class = bs_frame_class;
 
     av_assert0(bs_pointer >= 0);
     if (bs_pointer > ch_data->bs_num_env + 1) {
@@ -941,14 +945,8 @@ static void read_sbr_extension(AACContext *ac, SpectralBandReplication *sbr,
             skip_bits_long(gb, *num_bits_left); // bs_fill_bits
             *num_bits_left = 0;
         } else {
-#if 1
             *num_bits_left -= AAC_RENAME(ff_ps_read_data)(ac->avctx, gb, &sbr->ps, *num_bits_left);
             ac->avctx->profile = FF_PROFILE_AAC_HE_V2;
-#else
-            avpriv_report_missing_feature(ac->avctx, "Parametric Stereo");
-            skip_bits_long(gb, *num_bits_left); // bs_fill_bits
-            *num_bits_left = 0;
-#endif
         }
         break;
     default:
@@ -1143,6 +1141,7 @@ int AAC_RENAME(ff_decode_sbr_extension)(AACContext *ac, SpectralBandReplication
     if (bytes_read > cnt) {
         av_log(ac->avctx, AV_LOG_ERROR,
                "Expected to read %d SBR bytes actually read %d.\n", cnt, bytes_read);
+        sbr_turnoff(sbr);
     }
     return cnt;
 }