diff options
| -rw-r--r-- | fftools/ffmpeg_hw.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/fftools/ffmpeg_hw.c b/fftools/ffmpeg_hw.c index 41aaf776d7..14e702bd92 100644 --- a/fftools/ffmpeg_hw.c +++ b/fftools/ffmpeg_hw.c @@ -553,15 +553,21 @@ int hw_device_setup_for_filter(FilterGraph *fg) HWDevice *dev; int i; - // If the user has supplied exactly one hardware device then just - // give it straight to every filter for convenience. If more than - // one device is available then the user needs to pick one explcitly - // with the filter_hw_device option. + // Pick the last hardware device if the user doesn't pick the device for + // filters explicitly with the filter_hw_device option. if (filter_hw_device) dev = filter_hw_device; - else if (nb_hw_devices == 1) - dev = hw_devices[0]; - else + else if (nb_hw_devices > 0) { + dev = hw_devices[nb_hw_devices - 1]; + + if (nb_hw_devices > 1) + av_log(NULL, AV_LOG_WARNING, "There are %d hardware devices. device " + "%s of type %s is picked for filters by default. Set hardware " + "device explicitly with the filter_hw_device option if device " + "%s is not usable for filters.\n", + nb_hw_devices, dev->name, + av_hwdevice_get_type_name(dev->type), dev->name); + } else dev = NULL; if (dev) { |