[FFmpeg-devel] [PATCH] avformat/dashdec: add ProgramInformation parser

[Steven Liu]

Signed-off-by: Steven Liu <lq at chinaffmpeg.org>
---
 libavformat/dashdec.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/libavformat/dashdec.c b/libavformat/dashdec.c
index eed149cd1a..b6394403b9 100644
--- a/libavformat/dashdec.c
+++ b/libavformat/dashdec.c
@@ -1161,6 +1161,36 @@ static int parse_manifest_adaptationset(AVFormatContext *s, const char *url,
     return 0;
 }
 
+static int parse_programinformation(AVFormatContext *s, xmlNodePtr node)
+{
+    xmlNodePtr programinfo_node = NULL;
+    xmlChar *val = NULL;
+    DASHContext *c = s->priv_data;
+
+    programinfo_node = xmlFirstElementChild(node);
+    while (programinfo_node) {
+        if (!av_strcasecmp((const char *)programinfo_node->name, (const char *)"Title")) {
+            val = xmlNodeGetContent(programinfo_node);
+            if (val && strlen(val) < 1024) {
+                av_dict_set(&s->metadata, "Title", val, 0);
+            }
+        } else if (!av_strcasecmp((const char *)programinfo_node->name, (const char *)"Source")) {
+            val = xmlNodeGetContent(programinfo_node);
+            if (val && strlen(val) < 1024) {
+                av_dict_set(&s->metadata, "Source", val, 0);
+            }
+        } else if (!av_strcasecmp((const char *)programinfo_node->name, (const char *)"Copyright")) {
+            val = xmlNodeGetContent(programinfo_node);
+            if (val && strlen(val) < 1024) {
+                av_dict_set(&s->metadata, "Copyright", val, 0);
+            }
+        }
+        programinfo_node = xmlNextElementSibling(programinfo_node);
+        xmlFree(val);
+    }
+    return 0;
+}
+
 static int parse_manifest(AVFormatContext *s, const char *url, AVIOContext *in)
 {
     DASHContext *c = s->priv_data;
@@ -1310,6 +1340,8 @@ static int parse_manifest(AVFormatContext *s, const char *url, AVIOContext *in)
                     if (c->period_start > 0)
                         c->media_presentation_duration = c->period_duration;
                 }
+            } else if (!av_strcasecmp(node->name, (const char *)"ProgramInformation")) {
+                parse_programinformation(s, node);
             }
             node = xmlNextElementSibling(node);
         }
-- 
2.17.2 (Apple Git-113)