API changes, most recent first:
+2021-04-27 - xxxxxxxxxx - lavd yyyyyyyyy - avdevice.h
+ The av_*_device_next API functions now accept and return
+ pointers to const AVInputFormat resp. AVOutputFormat.
+
2021-04-27 - xxxxxxxxxx - lavd yyyyyyyyy - avdevice.h
avdevice_list_input_sources and avdevice_list_output_sinks now accept
pointers to const AVInputFormat resp. const AVOutputFormat.
int show_sources(void *optctx, const char *opt, const char *arg)
{
- AVInputFormat *fmt = NULL;
+ const AVInputFormat *fmt = NULL;
char *dev = NULL;
AVDictionary *opts = NULL;
int ret = 0;
int show_sinks(void *optctx, const char *opt, const char *arg)
{
- AVOutputFormat *fmt = NULL;
+ const AVOutputFormat *fmt = NULL;
char *dev = NULL;
AVDictionary *opts = NULL;
int ret = 0;
avpriv_register_devices(outdev_list, indev_list);
}
-static void *next_input(const AVInputFormat *prev, AVClassCategory c2)
+static const void *next_input(const AVInputFormat *prev, AVClassCategory c2)
{
const AVClass *pc;
const AVClassCategory c1 = AV_CLASS_CATEGORY_DEVICE_INPUT;
continue;
category = pc->category;
} while (category != c1 && category != c2);
- return (AVInputFormat *)fmt;
+ return fmt;
}
-static void *next_output(const AVOutputFormat *prev, AVClassCategory c2)
+static const void *next_output(const AVOutputFormat *prev, AVClassCategory c2)
{
const AVClass *pc;
const AVClassCategory c1 = AV_CLASS_CATEGORY_DEVICE_OUTPUT;
continue;
category = pc->category;
} while (category != c1 && category != c2);
- return (AVOutputFormat *)fmt;
+ return fmt;
}
-AVInputFormat *av_input_audio_device_next(AVInputFormat *d)
+const AVInputFormat *av_input_audio_device_next(const AVInputFormat *d)
{
return next_input(d, AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT);
}
-AVInputFormat *av_input_video_device_next(AVInputFormat *d)
+const AVInputFormat *av_input_video_device_next(const AVInputFormat *d)
{
return next_input(d, AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT);
}
-AVOutputFormat *av_output_audio_device_next(AVOutputFormat *d)
+const AVOutputFormat *av_output_audio_device_next(const AVOutputFormat *d)
{
return next_output(d, AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT);
}
-AVOutputFormat *av_output_video_device_next(AVOutputFormat *d)
+const AVOutputFormat *av_output_video_device_next(const AVOutputFormat *d)
{
return next_output(d, AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT);
}
* 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.
* 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.
* 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.
* 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 */