X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Feac3dec.c;h=fe52d27123667926b5bf30224d499474aa77f8cb;hb=f6e2f8a9ffda2247bffba991450990d075ea68e3;hp=fb6c51bcb8d4fd783cd2cdb508abc032aafb87b0;hpb=13345fc1f86fc3615789e196d5a339c1c27c9068;p=ffmpeg

diff --git a/libavcodec/eac3dec.c b/libavcodec/eac3dec.c
index fb6c51bcb8d..fe52d271236 100644
--- a/libavcodec/eac3dec.c
+++ b/libavcodec/eac3dec.c
@@ -300,7 +300,10 @@ int ff_eac3_parse_header(AC3DecodeContext *s)
        application can select from. each independent stream can also contain
        dependent streams which are used to add or replace channels. */
     if (s->frame_type == EAC3_FRAME_TYPE_DEPENDENT) {
-        avpriv_request_sample(s->avctx, "Dependent substream decoding");
+        if (!s->eac3_frame_dependent_found) {
+            s->eac3_frame_dependent_found = 1;
+            avpriv_request_sample(s->avctx, "Dependent substream decoding");
+        }
         return AAC_AC3_PARSE_ERROR_FRAME_TYPE;
     } else if (s->frame_type == EAC3_FRAME_TYPE_RESERVED) {
         av_log(s->avctx, AV_LOG_ERROR, "Reserved frame type\n");
@@ -312,7 +315,10 @@ int ff_eac3_parse_header(AC3DecodeContext *s)
        associated to an independent stream have matching substream id's. */
     if (s->substreamid) {
         /* only decode substream with id=0. skip any additional substreams. */
-        avpriv_request_sample(s->avctx, "Additional substreams");
+        if (!s->eac3_subsbtreamid_found) {
+            s->eac3_subsbtreamid_found = 1;
+            avpriv_request_sample(s->avctx, "Additional substreams");
+        }
         return AAC_AC3_PARSE_ERROR_FRAME_TYPE;
     }
 
@@ -341,32 +347,26 @@ int ff_eac3_parse_header(AC3DecodeContext *s)
         }
     }
 
-    /* default dolby matrix encoding modes */
-    s->dolby_surround_mode    = AC3_DSURMOD_NOTINDICATED;
-    s->dolby_surround_ex_mode = AC3_DSUREXMOD_NOTINDICATED;
-    s->dolby_headphone_mode   = AC3_DHEADPHONMOD_NOTINDICATED;
-
     /* mixing metadata */
     if (get_bits1(gbc)) {
         /* center and surround mix levels */
         if (s->channel_mode > AC3_CHMODE_STEREO) {
-            skip_bits(gbc, 2);  // skip preferred stereo downmix mode
+            s->preferred_downmix = get_bits(gbc, 2);
             if (s->channel_mode & 1) {
                 /* if three front channels exist */
-                skip_bits(gbc, 3); //skip Lt/Rt center mix level
-                s->center_mix_level = get_bits(gbc, 3);
+                s->center_mix_level_ltrt = get_bits(gbc, 3);
+                s->center_mix_level      = get_bits(gbc, 3);
             }
             if (s->channel_mode & 4) {
                 /* if a surround channel exists */
-                skip_bits(gbc, 3); //skip Lt/Rt surround mix level
-                s->surround_mix_level = get_bits(gbc, 3);
+                s->surround_mix_level_ltrt = av_clip(get_bits(gbc, 3), 3, 7);
+                s->surround_mix_level      = av_clip(get_bits(gbc, 3), 3, 7);
             }
         }
 
         /* lfe mix level */
-        if (s->lfe_on && get_bits1(gbc)) {
-            // TODO: use LFE mix level
-            skip_bits(gbc, 5); // skip LFE mix level code
+        if (s->lfe_on && (s->lfe_mix_level_exists = get_bits1(gbc))) {
+            s->lfe_mix_level = get_bits(gbc, 5);
         }
 
         /* info for mixing with other streams and substreams */