724     HWMapDescriptor *hwmap = (HWMapDescriptor*)data;  in ff_hwframe_unmap()  local
727     if (hwmap->unmap)  in ff_hwframe_unmap()
728         hwmap->unmap(ctx, hwmap);  in ff_hwframe_unmap()
730     av_frame_free(&hwmap->source);  in ff_hwframe_unmap()
732     av_buffer_unref(&hwmap->hw_frames_ctx);  in ff_hwframe_unmap()
734     av_free(hwmap);  in ff_hwframe_unmap()
740                                         HWMapDescriptor *hwmap),  in ff_hwframe_map_create()  argument
744     HWMapDescriptor *hwmap;  in ff_hwframe_map_create()  local
747     hwmap = av_mallocz(sizeof(*hwmap));  in ff_hwframe_map_create()
748     if (!hwmap) {  in ff_hwframe_map_create()
753     hwmap->source = av_frame_alloc();  in ff_hwframe_map_create()
754     if (!hwmap->source) {  in ff_hwframe_map_create()
758     ret = av_frame_ref(hwmap->source, src);  in ff_hwframe_map_create()
762     hwmap->hw_frames_ctx = av_buffer_ref(hwframe_ref);  in ff_hwframe_map_create()
763     if (!hwmap->hw_frames_ctx) {  in ff_hwframe_map_create()
768     hwmap->unmap = unmap;  in ff_hwframe_map_create()
769     hwmap->priv  = priv;  in ff_hwframe_map_create()
771     dst->buf[0] = av_buffer_create((uint8_t*)hwmap, sizeof(*hwmap),  in ff_hwframe_map_create()
781     if (hwmap) {  in ff_hwframe_map_create()
782         av_buffer_unref(&hwmap->hw_frames_ctx);  in ff_hwframe_map_create()
783         av_frame_free(&hwmap->source);  in ff_hwframe_map_create()
785     av_free(hwmap);  in ff_hwframe_map_create()
792     HWMapDescriptor *hwmap;  in av_hwframe_map()  local
814             hwmap = (HWMapDescriptor*)src->buf[0]->data;  in av_hwframe_map()
816             return av_frame_ref(dst, hwmap->source);  in av_hwframe_map()
925     HWMapDescriptor *hwmap = (HWMapDescriptor*)dst->buf[0]->data;  in ff_hwframe_map_replace()  local
926     av_frame_unref(hwmap->source);  in ff_hwframe_map_replace()
927     return av_frame_ref(hwmap->source, src);  in ff_hwframe_map_replace()