avdevice/avdevice: Constify av_*_device_next API

[ffmpeg] / libavdevice / avdevice.h

diff --git a/libavdevice/avdevice.h b/libavdevice/avdevice.h
index 85a4dcc6df96f5e87694f9fae8b0b1d5ae069fae..8370bbc7f2b0ba7f61c9a61257f8ac96019cb5ce 100644 (file)
--- a/libavdevice/avdevice.h
+++ b/libavdevice/avdevice.h
@@ -77,7 +77,7 @@ 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.
  */
-AVInputFormat *av_input_audio_device_next(AVInputFormat  *d);
+const AVInputFormat *av_input_audio_device_next(const AVInputFormat  *d);
 
 /**
  * Video input devices iterator.
@@ -86,7 +86,7 @@ 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.
  */
-AVInputFormat *av_input_video_device_next(AVInputFormat  *d);
+const AVInputFormat *av_input_video_device_next(const AVInputFormat  *d);
 
 /**
  * Audio output devices iterator.
@@ -95,7 +95,7 @@ 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.
  */
-AVOutputFormat *av_output_audio_device_next(AVOutputFormat *d);
+const AVOutputFormat *av_output_audio_device_next(const AVOutputFormat *d);
 
 /**
  * Video output devices iterator.
@@ -104,7 +104,7 @@ 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.
  */
-AVOutputFormat *av_output_video_device_next(AVOutputFormat *d);
+const AVOutputFormat *av_output_video_device_next(const AVOutputFormat *d);
 
 typedef struct AVDeviceRect {
     int x;      /**< x coordinate of top left corner */
@@ -507,9 +507,9 @@ void avdevice_free_list_devices(AVDeviceInfoList **device_list);
  * @return count of autodetected devices, negative on error.
  * @note device argument takes precedence over device_name when both are set.
  */
-int avdevice_list_input_sources(struct AVInputFormat *device, const char *device_name,
+int avdevice_list_input_sources(const AVInputFormat *device, const char *device_name,
                                 AVDictionary *device_options, AVDeviceInfoList **device_list);
-int avdevice_list_output_sinks(struct AVOutputFormat *device, const char *device_name,
+int avdevice_list_output_sinks(const AVOutputFormat *device, const char *device_name,
                                AVDictionary *device_options, AVDeviceInfoList **device_list);
 
 /**