[FFmpeg-cvslog] r25552 - trunk/libavdevice/vfwcap.c

[ramiro]

Author: ramiro
Date: Sat Oct 23 04:11:30 2010
New Revision: 25552

Log:
vfwcap: add option to print list of supported drivers

Modified:
   trunk/libavdevice/vfwcap.c

Modified: trunk/libavdevice/vfwcap.c
==============================================================================
--- trunk/libavdevice/vfwcap.c	Fri Oct 22 20:09:14 2010	(r25551)
+++ trunk/libavdevice/vfwcap.c	Sat Oct 23 04:11:30 2010	(r25552)
@@ -248,6 +248,22 @@ static int vfw_read_header(AVFormatConte
     int height;
     int ret;
 
+    if (!strcmp(s->filename, "list")) {
+        for (devnum = 0; devnum <= 9; devnum++) {
+            char driver_name[256];
+            char driver_ver[256];
+            ret = capGetDriverDescription(devnum,
+                                          driver_name, sizeof(driver_name),
+                                          driver_ver, sizeof(driver_ver));
+            if (ret) {
+                av_log(s, AV_LOG_INFO, "Driver %d\n", devnum);
+                av_log(s, AV_LOG_INFO, " %s\n", driver_name);
+                av_log(s, AV_LOG_INFO, " %s\n", driver_ver);
+            }
+        }
+        return AVERROR(EIO);
+    }
+
     if(!ap->time_base.den) {
         av_log(s, AV_LOG_ERROR, "A time base must be specified.\n");
         return AVERROR(EIO);