diff options
Diffstat (limited to 'libavutil/hwcontext.h')
-rw-r--r-- | libavutil/hwcontext.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/libavutil/hwcontext.h b/libavutil/hwcontext.h index 49c7a21c1e..040e010b30 100644 --- a/libavutil/hwcontext.h +++ b/libavutil/hwcontext.h @@ -30,6 +30,7 @@ enum AVHWDeviceType { AV_HWDEVICE_TYPE_VAAPI, AV_HWDEVICE_TYPE_DXVA2, AV_HWDEVICE_TYPE_QSV, + AV_HWDEVICE_TYPE_NONE, }; typedef struct AVHWDeviceInternal AVHWDeviceInternal; @@ -223,6 +224,33 @@ typedef struct AVHWFramesContext { } AVHWFramesContext; /** + * Look up an AVHWDeviceType by name. + * + * @param name String name of the device type (case-insensitive). + * @return The type from enum AVHWDeviceType, or AV_HWDEVICE_TYPE_NONE if + * not found. + */ +enum AVHWDeviceType av_hwdevice_find_type_by_name(const char *name); + +/** Get the string name of an AVHWDeviceType. + * + * @param type Type from enum AVHWDeviceType. + * @return Pointer to a static string containing the name, or NULL if the type + * is not valid. + */ +const char *av_hwdevice_get_type_name(enum AVHWDeviceType type); + +/** + * Iterate over supported device types. + * + * @param type AV_HWDEVICE_TYPE_NONE initially, then the previous type + * returned by this function in subsequent iterations. + * @return The next usable device type from enum AVHWDeviceType, or + * AV_HWDEVICE_TYPE_NONE if there are no more. + */ +enum AVHWDeviceType av_hwdevice_iterate_types(enum AVHWDeviceType prev); + +/** * Allocate an AVHWDeviceContext for a given pixel format. * * @return a reference to the newly created AVHWDeviceContext on success or NULL |