[FFmpeg-devel] [PATCH v2 10/33] fftools: provide media type info for devices

[Diederick Niehorster]

fftools now print info about what media type(s), if any, are provided by
sink and source avdevices.

Signed-off-by: Diederick Niehorster <dcnieho at gmail.com>
---
 fftools/cmdutils.c | 34 ++++++++++++++++++++++++----------
 1 file changed, 24 insertions(+), 10 deletions(-)

diff --git a/fftools/cmdutils.c b/fftools/cmdutils.c
index 4148285971..e7bd9f2644 100644
--- a/fftools/cmdutils.c
+++ b/fftools/cmdutils.c
@@ -2205,9 +2205,29 @@ double get_rotation(AVStream *st)
 }
 
 #if CONFIG_AVDEVICE
+static void print_device_list(AVDeviceInfoList *device_list)
+{
+    // print devices
+    for (int i = 0; i < device_list->nb_devices; i++) {
+        printf("%s %s [%s]", device_list->default_device == i ? "*" : " ",
+            device_list->devices[i]->device_name, device_list->devices[i]->device_description);
+        if (device_list->devices[i]->nb_media_types > 0 && device_list->devices[i]->media_types) {
+            const char* media_type = av_get_media_type_string(device_list->devices[i]->media_types[0]);
+            printf(" (%s", media_type ? media_type : "unknown");
+            for (int i = 1; i < device_list->devices[i]->nb_media_types; ++i) {
+                media_type = av_get_media_type_string(device_list->devices[i]->media_types[i]);
+                printf(", %s", media_type ? media_type : "unknown");
+            }
+            printf(")");
+        } else {
+            printf(" (none)");
+        }
+        printf("\n");
+    }
+}
 static int print_device_sources(const AVInputFormat *fmt, AVDictionary *opts)
 {
-    int ret, i;
+    int ret;
     AVDeviceInfoList *device_list = NULL;
 
     if (!fmt || !fmt->priv_class  || !AV_IS_INPUT_DEVICE(fmt->priv_class->category))
@@ -2225,10 +2245,7 @@ static int print_device_sources(const AVInputFormat *fmt, AVDictionary *opts)
         goto fail;
     }
 
-    for (i = 0; i < device_list->nb_devices; i++) {
-        printf("%s %s [%s]\n", device_list->default_device == i ? "*" : " ",
-               device_list->devices[i]->device_name, device_list->devices[i]->device_description);
-    }
+    print_device_list(device_list);
 
   fail:
     avdevice_free_list_devices(&device_list);
@@ -2237,7 +2254,7 @@ static int print_device_sources(const AVInputFormat *fmt, AVDictionary *opts)
 
 static int print_device_sinks(const AVOutputFormat *fmt, AVDictionary *opts)
 {
-    int ret, i;
+    int ret;
     AVDeviceInfoList *device_list = NULL;
 
     if (!fmt || !fmt->priv_class  || !AV_IS_OUTPUT_DEVICE(fmt->priv_class->category))
@@ -2255,10 +2272,7 @@ static int print_device_sinks(const AVOutputFormat *fmt, AVDictionary *opts)
         goto fail;
     }
 
-    for (i = 0; i < device_list->nb_devices; i++) {
-        printf("%s %s [%s]\n", device_list->default_device == i ? "*" : " ",
-               device_list->devices[i]->device_name, device_list->devices[i]->device_description);
-    }
+    print_device_list(device_list);
 
   fail:
     avdevice_free_list_devices(&device_list);
-- 
2.28.0.windows.1