avformat/id3v2: Remove unnecessary indirection

ff_id3v2_parse_apic/chapters/priv/priv_dict all had a parameter
extra_meta of type ID3v2ExtraMeta ** as if the functions wanted to make
*extra_meta point to something else. But they don't, so just use an
ID3v2ExtraMeta *.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>

12 files changed, 33 insertions, 33 deletions

diff --git a/libavformat/aacdec.c b/libavformat/aacdec.c
index ba3f5ccc6d..a0aa112a8a 100644
--- a/libavformat/aacdec.c
+++ b/libavformat/aacdec.c
@@ -146,7 +146,7 @@ static int handle_id3(AVFormatContext *s, AVPacket *pkt)
 
     ffio_init_context(&ioctx, pkt->data, pkt->size, 0, NULL, NULL, NULL, NULL);
     ff_id3v2_read_dict(&ioctx, &metadata, ID3v2_DEFAULT_MAGIC, &id3v2_extra_meta);
-    if ((ret = ff_id3v2_parse_priv_dict(&metadata, &id3v2_extra_meta)) < 0)
+    if ((ret = ff_id3v2_parse_priv_dict(&metadata, id3v2_extra_meta)) < 0)
         goto error;
 
     if (metadata) {
diff --git a/libavformat/aiffdec.c b/libavformat/aiffdec.c
index cb2f1b60fb..c650e9074d 100644
--- a/libavformat/aiffdec.c
+++ b/libavformat/aiffdec.c
@@ -261,8 +261,8 @@ static int aiff_read_header(AVFormatContext *s)
             position = avio_tell(pb);
             ff_id3v2_read(s, ID3v2_DEFAULT_MAGIC, &id3v2_extra_meta, size);
             if (id3v2_extra_meta)
-                if ((ret = ff_id3v2_parse_apic(s, &id3v2_extra_meta)) < 0 ||
-                    (ret = ff_id3v2_parse_chapters(s, &id3v2_extra_meta)) < 0) {
+                if ((ret = ff_id3v2_parse_apic(s, id3v2_extra_meta)) < 0 ||
+                    (ret = ff_id3v2_parse_chapters(s, id3v2_extra_meta)) < 0) {
                     ff_id3v2_free_extra_meta(&id3v2_extra_meta);
                     return ret;
                 }
diff --git a/libavformat/asfdec_f.c b/libavformat/asfdec_f.c
index f0cb353587..e9ddca7151 100644
--- a/libavformat/asfdec_f.c
+++ b/libavformat/asfdec_f.c
@@ -308,8 +308,8 @@ static void get_id3_tag(AVFormatContext *s, int len)
 
     ff_id3v2_read(s, ID3v2_DEFAULT_MAGIC, &id3v2_extra_meta, len);
     if (id3v2_extra_meta) {
-        ff_id3v2_parse_apic(s, &id3v2_extra_meta);
-        ff_id3v2_parse_chapters(s, &id3v2_extra_meta);
+        ff_id3v2_parse_apic(s, id3v2_extra_meta);
+        ff_id3v2_parse_chapters(s, id3v2_extra_meta);
     }
     ff_id3v2_free_extra_meta(&id3v2_extra_meta);
 }
diff --git a/libavformat/asfdec_o.c b/libavformat/asfdec_o.c
index 7891b23445..1b10e47907 100644
--- a/libavformat/asfdec_o.c
+++ b/libavformat/asfdec_o.c
@@ -461,8 +461,8 @@ static void get_id3_tag(AVFormatContext *s, int len)
 
     ff_id3v2_read(s, ID3v2_DEFAULT_MAGIC, &id3v2_extra_meta, len);
     if (id3v2_extra_meta) {
-        ff_id3v2_parse_apic(s, &id3v2_extra_meta);
-        ff_id3v2_parse_chapters(s, &id3v2_extra_meta);
+        ff_id3v2_parse_apic(s, id3v2_extra_meta);
+        ff_id3v2_parse_chapters(s, id3v2_extra_meta);
     }
     ff_id3v2_free_extra_meta(&id3v2_extra_meta);
 }
diff --git a/libavformat/dsfdec.c b/libavformat/dsfdec.c
index 52cddab2c8..c9740cf28f 100644
--- a/libavformat/dsfdec.c
+++ b/libavformat/dsfdec.c
@@ -56,8 +56,8 @@ static void read_id3(AVFormatContext *s, uint64_t id3pos)
 
     ff_id3v2_read(s, ID3v2_DEFAULT_MAGIC, &id3v2_extra_meta, 0);
     if (id3v2_extra_meta) {
-        ff_id3v2_parse_apic(s, &id3v2_extra_meta);
-        ff_id3v2_parse_chapters(s, &id3v2_extra_meta);
+        ff_id3v2_parse_apic(s, id3v2_extra_meta);
+        ff_id3v2_parse_chapters(s, id3v2_extra_meta);
     }
     ff_id3v2_free_extra_meta(&id3v2_extra_meta);
 }
diff --git a/libavformat/hls.c b/libavformat/hls.c
index 96bddfa410..3e35d157ad 100644
--- a/libavformat/hls.c
+++ b/libavformat/hls.c
@@ -1070,12 +1070,12 @@ static void handle_id3(AVIOContext *pb, struct playlist *pls)
 
         /* get picture attachment and set text metadata */
         if (pls->ctx->nb_streams)
-            ff_id3v2_parse_apic(pls->ctx, &extra_meta);
+            ff_id3v2_parse_apic(pls->ctx, extra_meta);
         else
             /* demuxer not yet opened, defer picture attachment */
             pls->id3_deferred_extra = extra_meta;
 
-        ff_id3v2_parse_priv_dict(&metadata, &extra_meta);
+        ff_id3v2_parse_priv_dict(&metadata, extra_meta);
         av_dict_copy(&pls->ctx->metadata, metadata, 0);
         pls->id3_initial = metadata;
 
@@ -1965,9 +1965,9 @@ static int hls_read_header(AVFormatContext *s)
             goto fail;
 
         if (pls->id3_deferred_extra && pls->ctx->nb_streams == 1) {
-            ff_id3v2_parse_apic(pls->ctx, &pls->id3_deferred_extra);
+            ff_id3v2_parse_apic(pls->ctx, pls->id3_deferred_extra);
             avformat_queue_attached_pictures(pls->ctx);
-            ff_id3v2_parse_priv(pls->ctx, &pls->id3_deferred_extra);
+            ff_id3v2_parse_priv(pls->ctx, pls->id3_deferred_extra);
             ff_id3v2_free_extra_meta(&pls->id3_deferred_extra);
         }
 
diff --git a/libavformat/id3v2.c b/libavformat/id3v2.c
index 2ba5c3857d..cecd9b9f6d 100644
--- a/libavformat/id3v2.c
+++ b/libavformat/id3v2.c
@@ -1127,11 +1127,11 @@ void ff_id3v2_free_extra_meta(ID3v2ExtraMeta **extra_meta)
     *extra_meta = NULL;
 }
 
-int ff_id3v2_parse_apic(AVFormatContext *s, ID3v2ExtraMeta **extra_meta)
+int ff_id3v2_parse_apic(AVFormatContext *s, ID3v2ExtraMeta *extra_meta)
 {
     ID3v2ExtraMeta *cur;
 
-    for (cur = *extra_meta; cur; cur = cur->next) {
+    for (cur = extra_meta; cur; cur = cur->next) {
         ID3v2ExtraMetaAPIC *apic;
         AVStream *st;
 
@@ -1167,7 +1167,7 @@ int ff_id3v2_parse_apic(AVFormatContext *s, ID3v2ExtraMeta **extra_meta)
     return 0;
 }
 
-int ff_id3v2_parse_chapters(AVFormatContext *s, ID3v2ExtraMeta **extra_meta)
+int ff_id3v2_parse_chapters(AVFormatContext *s, ID3v2ExtraMeta *extra_meta)
 {
     int ret = 0;
     ID3v2ExtraMeta *cur;
@@ -1178,7 +1178,7 @@ int ff_id3v2_parse_chapters(AVFormatContext *s, ID3v2ExtraMeta **extra_meta)
 
     // since extra_meta is a linked list where elements are prepended,
     // we need to reverse the order of chapters
-    for (cur = *extra_meta; cur; cur = cur->next) {
+    for (cur = extra_meta; cur; cur = cur->next) {
         ID3v2ExtraMetaCHAP *chap;
 
         if (strcmp(cur->tag, "CHAP"))
@@ -1218,12 +1218,12 @@ end:
     return ret;
 }
 
-int ff_id3v2_parse_priv_dict(AVDictionary **metadata, ID3v2ExtraMeta **extra_meta)
+int ff_id3v2_parse_priv_dict(AVDictionary **metadata, ID3v2ExtraMeta *extra_meta)
 {
     ID3v2ExtraMeta *cur;
     int dict_flags = AV_DICT_DONT_OVERWRITE | AV_DICT_DONT_STRDUP_KEY | AV_DICT_DONT_STRDUP_VAL;
 
-    for (cur = *extra_meta; cur; cur = cur->next) {
+    for (cur = extra_meta; cur; cur = cur->next) {
         if (!strcmp(cur->tag, "PRIV")) {
             ID3v2ExtraMetaPRIV *priv = &cur->data.priv;
             AVBPrint bprint;
@@ -1258,7 +1258,7 @@ int ff_id3v2_parse_priv_dict(AVDictionary **metadata, ID3v2ExtraMeta **extra_met
     return 0;
 }
 
-int ff_id3v2_parse_priv(AVFormatContext *s, ID3v2ExtraMeta **extra_meta)
+int ff_id3v2_parse_priv(AVFormatContext *s, ID3v2ExtraMeta *extra_meta)
 {
     return ff_id3v2_parse_priv_dict(&s->metadata, extra_meta);
 }
diff --git a/libavformat/id3v2.h b/libavformat/id3v2.h
index 3e6030c942..a41fb271a4 100644
--- a/libavformat/id3v2.h
+++ b/libavformat/id3v2.h
@@ -167,25 +167,25 @@ void ff_id3v2_free_extra_meta(ID3v2ExtraMeta **extra_meta);
  * Create a stream for each APIC (attached picture) extracted from the
  * ID3v2 header.
  */
-int ff_id3v2_parse_apic(AVFormatContext *s, ID3v2ExtraMeta **extra_meta);
+int ff_id3v2_parse_apic(AVFormatContext *s, ID3v2ExtraMeta *extra_meta);
 
 /**
  * Create chapters for all CHAP tags found in the ID3v2 header.
  */
-int ff_id3v2_parse_chapters(AVFormatContext *s, ID3v2ExtraMeta **extra_meta);
+int ff_id3v2_parse_chapters(AVFormatContext *s, ID3v2ExtraMeta *extra_meta);
 
 /**
  * Parse PRIV tags into a dictionary. The PRIV owner is the metadata key. The
  * PRIV data is the value, with non-printable characters escaped.
  */
-int ff_id3v2_parse_priv_dict(AVDictionary **d, ID3v2ExtraMeta **extra_meta);
+int ff_id3v2_parse_priv_dict(AVDictionary **d, ID3v2ExtraMeta *extra_meta);
 
 /**
  * Add metadata for all PRIV tags in the ID3v2 header. The PRIV owner is the
  * metadata key. The PRIV data is the value, with non-printable characters
  * escaped.
  */
-int ff_id3v2_parse_priv(AVFormatContext *s, ID3v2ExtraMeta **extra_meta);
+int ff_id3v2_parse_priv(AVFormatContext *s, ID3v2ExtraMeta *extra_meta);
 
 extern const AVMetadataConv ff_id3v2_34_metadata_conv[];
 extern const AVMetadataConv ff_id3v2_4_metadata_conv[];
diff --git a/libavformat/iff.c b/libavformat/iff.c
index 9cee31a86b..7feb121cd0 100644
--- a/libavformat/iff.c
+++ b/libavformat/iff.c
@@ -312,8 +312,8 @@ static int parse_dsd_prop(AVFormatContext *s, AVStream *st, uint64_t eof)
             id3v2_extra_meta = NULL;
             ff_id3v2_read(s, ID3v2_DEFAULT_MAGIC, &id3v2_extra_meta, size);
             if (id3v2_extra_meta) {
-                if ((ret = ff_id3v2_parse_apic(s, &id3v2_extra_meta)) < 0 ||
-                    (ret = ff_id3v2_parse_chapters(s, &id3v2_extra_meta)) < 0) {
+                if ((ret = ff_id3v2_parse_apic(s, id3v2_extra_meta)) < 0 ||
+                    (ret = ff_id3v2_parse_chapters(s, id3v2_extra_meta)) < 0) {
                     ff_id3v2_free_extra_meta(&id3v2_extra_meta);
                     return ret;
                 }
diff --git a/libavformat/omadec.c b/libavformat/omadec.c
index 79896bdf4f..c6b3f8bc2f 100644
--- a/libavformat/omadec.c
+++ b/libavformat/omadec.c
@@ -396,7 +396,7 @@ static int oma_read_header(AVFormatContext *s)
     OMAContext *oc = s->priv_data;
 
     ff_id3v2_read(s, ID3v2_EA3_MAGIC, &extra_meta, 0);
-    if ((ret = ff_id3v2_parse_chapters(s, &extra_meta)) < 0) {
+    if ((ret = ff_id3v2_parse_chapters(s, extra_meta)) < 0) {
         ff_id3v2_free_extra_meta(&extra_meta);
         return ret;
     }
diff --git a/libavformat/utils.c b/libavformat/utils.c
index b12aff5eb0..2fe58eb8ce 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -638,11 +638,11 @@ FF_ENABLE_DEPRECATION_WARNINGS
     if (id3v2_extra_meta) {
         if (!strcmp(s->iformat->name, "mp3") || !strcmp(s->iformat->name, "aac") ||
             !strcmp(s->iformat->name, "tta") || !strcmp(s->iformat->name, "wav")) {
-            if ((ret = ff_id3v2_parse_apic(s, &id3v2_extra_meta)) < 0)
+            if ((ret = ff_id3v2_parse_apic(s, id3v2_extra_meta)) < 0)
                 goto close;
-            if ((ret = ff_id3v2_parse_chapters(s, &id3v2_extra_meta)) < 0)
+            if ((ret = ff_id3v2_parse_chapters(s, id3v2_extra_meta)) < 0)
                 goto close;
-            if ((ret = ff_id3v2_parse_priv(s, &id3v2_extra_meta)) < 0)
+            if ((ret = ff_id3v2_parse_priv(s, id3v2_extra_meta)) < 0)
                 goto close;
         } else
             av_log(s, AV_LOG_DEBUG, "demuxer does not support additional id3 data, skipping\n");
diff --git a/libavformat/wavdec.c b/libavformat/wavdec.c
index 575c667452..c35966f970 100644
--- a/libavformat/wavdec.c
+++ b/libavformat/wavdec.c
@@ -507,9 +507,9 @@ static int wav_read_header(AVFormatContext *s)
             ID3v2ExtraMeta *id3v2_extra_meta = NULL;
             ff_id3v2_read_dict(pb, &s->internal->id3v2_meta, ID3v2_DEFAULT_MAGIC, &id3v2_extra_meta);
             if (id3v2_extra_meta) {
-                ff_id3v2_parse_apic(s, &id3v2_extra_meta);
-                ff_id3v2_parse_chapters(s, &id3v2_extra_meta);
-                ff_id3v2_parse_priv(s, &id3v2_extra_meta);
+                ff_id3v2_parse_apic(s, id3v2_extra_meta);
+                ff_id3v2_parse_chapters(s, id3v2_extra_meta);
+                ff_id3v2_parse_priv(s, id3v2_extra_meta);
             }
             ff_id3v2_free_extra_meta(&id3v2_extra_meta);
             }