On Thu, Jun 30, 2022 at 4:47 AM Tong Wu <tong1.wu-at-intel....@ffmpeg.org<mailto:tong1.wu-at-intel....@ffmpeg.org>> wrote: When a derive_device_type is not specified, the hwmap filter should be able to retrieve AVHWDeviceType from outlink->format and create corresponding hwdevice context.
Signed-off-by: Tong Wu <tong1...@intel.com<mailto:tong1...@intel.com>> --- libavfilter/vf_hwmap.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) diff --git a/libavfilter/vf_hwmap.c b/libavfilter/vf_hwmap.c index 2e03dfc1fe..136980c982 100644 --- a/libavfilter/vf_hwmap.c +++ b/libavfilter/vf_hwmap.c @@ -70,23 +70,32 @@ static int hwmap_config_output(AVFilterLink *outlink) device_is_derived = 0; if (inlink->hw_frames_ctx) { + enum AVHWDeviceType type; hwfc = (AVHWFramesContext*)inlink->hw_frames_ctx->data; if (ctx->derive_device_type) { - enum AVHWDeviceType type; - type = av_hwdevice_find_type_by_name(ctx->derive_device_type); if (type == AV_HWDEVICE_TYPE_NONE) { av_log(avctx, AV_LOG_ERROR, "Invalid device type.\n"); err = AVERROR(EINVAL); goto fail; } + } else { + type = av_hwdevice_get_type_by_pix_fmt(outlink->format); + if (type == AV_HWDEVICE_TYPE_NONE) { + av_log(avctx, AV_LOG_ERROR, "Could not get device type from " + "format %s.\n", av_get_pix_fmt_name(outlink->format)); + err = AVERROR(EINVAL); + goto fail; + } + } + if (!device || ctx->derive_device_type) { err = av_hwdevice_ctx_create_derived(&device, type, - hwfc->device_ref, 0); + hwfc->device_ref, 0); if (err < 0) { av_log(avctx, AV_LOG_ERROR, "Failed to created derived " - "device context: %d.\n", err); + "device context: %d.\n", err); Looks like mixed re-indentation and functional changes in same commit. Yes this should not be re-indented, will update later. Thanks, Tong goto fail; } device_is_derived = 1; -- 2.35.1.windows.2 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org<mailto:ffmpeg-devel@ffmpeg.org> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org<mailto:ffmpeg-devel-requ...@ffmpeg.org> with subject "unsubscribe". _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".