Am 29.11.2017 um 13:22 schrieb Moritz Barsnick:
On Wed, Nov 29, 2017 at 00:34:03 +0000, Mark Thompson wrote:+ if (type == AV_HWDEVICE_TYPE_NONE) { + fprintf(stderr, "Device type %s is not supported.\n", argv[1]); + fprintf(stderr, "Available device types:"); + type = AV_HWDEVICE_TYPE_NONE; + while((type = av_hwdevice_iterate_types(type)) != AV_HWDEVICE_TYPE_NONE) + fprintf(stderr, " %s", av_hwdevice_get_type_name(type));I see what you're trying to do with "type = AV_HWDEVICE_TYPE_NONE" (initialize the iterator), but the assignment is redundant. I guess if the compiler optimizes it away anyway, it may be good for readability, especially since it's an example. *shrug*
I fail to see how the assignment is redundant? Without the assignment, that would be an infinite loop.
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