[FFmpeg-devel] [PATCH v7 08/12] avdevice: add info about media types(s) to AVDeviceInfo

Diederick Niehorster dcnieho at gmail.com
Tue Dec 21 15:53:33 EET 2021


An avdevice, regardless of whether its category says its an audio or
video device, may provide access to devices providing different media
types, or even single devices providing multiple media types. Also, some
devices may provide no media types. dshow is an example encompassing all
of these cases. Users should be provided with this information, so
AVDeviceInfo is extended to provide it.

Bump avdevice version

Signed-off-by: Diederick Niehorster <dcnieho at gmail.com>
---
 libavdevice/avdevice.c | 1 +
 libavdevice/avdevice.h | 2 ++
 libavdevice/version.h  | 4 ++--
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/libavdevice/avdevice.c b/libavdevice/avdevice.c
index 2ae26ab8e3..8f460c7564 100644
--- a/libavdevice/avdevice.c
+++ b/libavdevice/avdevice.c
@@ -157,6 +157,7 @@ void avdevice_free_list_devices(AVDeviceInfoList **device_list)
         if (dev) {
             av_freep(&dev->device_name);
             av_freep(&dev->device_description);
+            av_freep(&dev->media_types);
             av_free(dev);
         }
     }
diff --git a/libavdevice/avdevice.h b/libavdevice/avdevice.h
index 8370bbc7f2..6f24976dcc 100644
--- a/libavdevice/avdevice.h
+++ b/libavdevice/avdevice.h
@@ -457,6 +457,8 @@ void avdevice_capabilities_free(AVDeviceCapabilitiesQuery **caps, AVFormatContex
 typedef struct AVDeviceInfo {
     char *device_name;                   /**< device name, format depends on device */
     char *device_description;            /**< human friendly name */
+    enum AVMediaType *media_types;       /**< array indicating what media types(s), if any, a device can provide. If null, cannot provide any */
+    int nb_media_types;                  /**< length of media_types array, 0 if device cannot provide any media types */
 } AVDeviceInfo;
 
 /**
diff --git a/libavdevice/version.h b/libavdevice/version.h
index 914e156ec7..41f568d6b0 100644
--- a/libavdevice/version.h
+++ b/libavdevice/version.h
@@ -28,8 +28,8 @@
 #include "libavutil/version.h"
 
 #define LIBAVDEVICE_VERSION_MAJOR  59
-#define LIBAVDEVICE_VERSION_MINOR   0
-#define LIBAVDEVICE_VERSION_MICRO 101
+#define LIBAVDEVICE_VERSION_MINOR   1
+#define LIBAVDEVICE_VERSION_MICRO 100
 
 #define LIBAVDEVICE_VERSION_INT AV_VERSION_INT(LIBAVDEVICE_VERSION_MAJOR, \
                                                LIBAVDEVICE_VERSION_MINOR, \
-- 
2.28.0.windows.1



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