lavd: add new API for iterating input and output devices

This also adds an avpriv function to register devices in
libavformat

1 files changed, 28 insertions, 0 deletions

diff --git a/libavdevice/avdevice.h b/libavdevice/avdevice.h
index ee9462480e..dd6ad9365e 100644
--- a/libavdevice/avdevice.h
+++ b/libavdevice/avdevice.h
@@ -66,6 +66,29 @@ const char *avdevice_configuration(void);
 const char *avdevice_license(void);
 
 /**
+ * Iterate over all registered output devices.
+ *
+ * @param opaque a pointer where libavdevice will store the iteration state. Must
+ *               point to NULL to start the iteration.
+ *
+ * @return the next registered output device or NULL when the iteration is
+ *         finished
+ */
+const AVOutputFormat *av_outdev_iterate(void **opaque);
+
+/**
+ * Iterate over all registered input devices.
+ *
+ * @param opaque a pointer where libavdevice will store the iteration state. Must
+ *               point to NULL to start the iteration.
+ *
+ * @return the next registered input device or NULL when the iteration is
+ *         finished
+ */
+const AVInputFormat *av_indev_iterate(void **opaque);
+
+#if FF_API_NEXT
+/**
  * Initialize libavdevice and register all the input and output devices.
  */
 void avdevice_register_all(void);
@@ -77,6 +100,7 @@ void avdevice_register_all(void);
  * if d is non-NULL, returns the next registered input audio/video device after d
  * or NULL if d is the last one.
  */
+attribute_deprecated
 AVInputFormat *av_input_audio_device_next(AVInputFormat  *d);
 
 /**
@@ -86,6 +110,7 @@ AVInputFormat *av_input_audio_device_next(AVInputFormat  *d);
  * if d is non-NULL, returns the next registered input audio/video device after d
  * or NULL if d is the last one.
  */
+attribute_deprecated
 AVInputFormat *av_input_video_device_next(AVInputFormat  *d);
 
 /**
@@ -95,6 +120,7 @@ AVInputFormat *av_input_video_device_next(AVInputFormat  *d);
  * if d is non-NULL, returns the next registered output audio/video device after d
  * or NULL if d is the last one.
  */
+attribute_deprecated
 AVOutputFormat *av_output_audio_device_next(AVOutputFormat *d);
 
 /**
@@ -104,7 +130,9 @@ AVOutputFormat *av_output_audio_device_next(AVOutputFormat *d);
  * if d is non-NULL, returns the next registered output audio/video device after d
  * or NULL if d is the last one.
  */
+attribute_deprecated
 AVOutputFormat *av_output_video_device_next(AVOutputFormat *d);
+#endif
 
 typedef struct AVDeviceRect {
     int x;      /**< x coordinate of top left corner */